/*
Copyright (C) 2025 QuantumNous

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.

For commercial licensing, please contact support@quantumnous.com
*/

import i18next from 'i18next';
import { Modal, Tag, Typography, Avatar } from '@douyinfe/semi-ui';
import { copy, showSuccess } from './utils';
import { MOBILE_BREAKPOINT } from '../hooks/common/useIsMobile';
import {
  BILLING_PRICING_VARS,
  BILLING_VAR_KEY_TO_FIELD,
  BILLING_VAR_REGEX,
} from '../constants';
import { visit } from 'unist-util-visit';
import * as LobeIcons from '@lobehub/icons';
import {
  OpenAI,
  Claude,
  Gemini,
  Moonshot,
  Zhipu,
  Qwen,
  DeepSeek,
  Minimax,
  Wenxin,
  Spark,
  Midjourney,
  Hunyuan,
  Cohere,
  Cloudflare,
  Ai360,
  Yi,
  Jina,
  Mistral,
  XAI,
  Ollama,
  Doubao,
  Suno,
  Xinference,
  OpenRouter,
  Dify,
  Coze,
  SiliconCloud,
  FastGPT,
  Kling,
  Jimeng,
  Perplexity,
  Replicate,
} from '@lobehub/icons';

import {
  LayoutDashboard,
  TerminalSquare,
  MessageSquare,
  Key,
  BarChart3,
  Image as ImageIcon,
  CheckSquare,
  CreditCard,
  Layers,
  Gift,
  User,
  Settings,
  CircleUser,
  Package,
  Server,
  CalendarClock,
} from 'lucide-react';
import {
  SiAtlassian,
  SiAuth0,
  SiAuthentik,
  SiBitbucket,
  SiDiscord,
  SiDropbox,
  SiFacebook,
  SiGitea,
  SiGithub,
  SiGitlab,
  SiGoogle,
  SiKeycloak,
  SiNextcloud,
  SiNotion,
  SiOkta,
  SiOpenid,
  SiReddit,
  SiSlack,
  SiTelegram,
  SiTwitch,
  SiWechat,
  SiX,
} from 'react-icons/si';
import { FaLinkedin } from 'react-icons/fa';

// 获取侧边栏Lucide图标组件
export function getLucideIcon(key, selected = false) {
  const size = 16;
  const strokeWidth = 2;
  const SELECTED_COLOR = 'var(--semi-color-primary)';
  const iconColor = selected ? SELECTED_COLOR : 'currentColor';
  const commonProps = {
    size,
    strokeWidth,
    className: `transition-colors duration-200 ${selected ? 'transition-transform duration-200 scale-105' : ''}`,
  };

  // 根据不同的key返回不同的图标
  switch (key) {
    case 'detail':
      return <LayoutDashboard {...commonProps} color={iconColor} />;
    case 'playground':
      return <TerminalSquare {...commonProps} color={iconColor} />;
    case 'chat':
      return <MessageSquare {...commonProps} color={iconColor} />;
    case 'token':
      return <Key {...commonProps} color={iconColor} />;
    case 'log':
      return <BarChart3 {...commonProps} color={iconColor} />;
    case 'midjourney':
      return <ImageIcon {...commonProps} color={iconColor} />;
    case 'task':
      return <CheckSquare {...commonProps} color={iconColor} />;
    case 'topup':
      return <CreditCard {...commonProps} color={iconColor} />;
    case 'channel':
      return <Layers {...commonProps} color={iconColor} />;
    case 'redemption':
      return <Gift {...commonProps} color={iconColor} />;
    case 'user':
    case 'personal':
      return <User {...commonProps} color={iconColor} />;
    case 'models':
      return <Package {...commonProps} color={iconColor} />;
    case 'deployment':
      return <Server {...commonProps} color={iconColor} />;
    case 'subscription':
      return <CalendarClock {...commonProps} color={iconColor} />;
    case 'setting':
      return <Settings {...commonProps} color={iconColor} />;
    default:
      return <CircleUser {...commonProps} color={iconColor} />;
  }
}

// 获取模型分类
export const getModelCategories = (() => {
  let categoriesCache = null;
  let lastLocale = null;

  return (t) => {
    const currentLocale = i18next.language;
    if (categoriesCache && lastLocale === currentLocale) {
      return categoriesCache;
    }

    categoriesCache = {
      all: {
        label: t('全部模型'),
        icon: null,
        filter: () => true,
      },
      openai: {
        label: 'OpenAI',
        icon: <OpenAI />,
        filter: (model) =>
            model.model_name.toLowerCase().includes('gpt') ||
            model.model_name.toLowerCase().includes('dall-e') ||
            model.model_name.toLowerCase().includes('whisper') ||
            model.model_name.toLowerCase().includes('tts-1') ||
            model.model_name.toLowerCase().includes('text-embedding-3') ||
            model.model_name.toLowerCase().includes('text-moderation') ||
            model.model_name.toLowerCase().includes('babbage') ||
            model.model_name.toLowerCase().includes('davinci') ||
            model.model_name.toLowerCase().includes('curie') ||
            model.model_name.toLowerCase().includes('ada') ||
            model.model_name.toLowerCase().includes('o1') ||
            model.model_name.toLowerCase().includes('o3') ||
            model.model_name.toLowerCase().includes('o4'),
      },
      anthropic: {
        label: 'Anthropic',
        icon: <Claude.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('claude'),
      },
      gemini: {
        label: 'Gemini',
        icon: <Gemini.Color />,
        filter: (model) =>
            model.model_name.toLowerCase().includes('gemini') ||
            model.model_name.toLowerCase().includes('gemma') ||
            model.model_name.toLowerCase().includes('learnlm') ||
            model.model_name.toLowerCase().startsWith('embedding-') ||
            model.model_name.toLowerCase().includes('text-embedding-004') ||
            model.model_name.toLowerCase().includes('imagen-4') ||
            model.model_name.toLowerCase().includes('veo-') ||
            model.model_name.toLowerCase().includes('aqa'),
      },
      moonshot: {
        label: 'Moonshot',
        icon: <Moonshot />,
        filter: (model) =>
            model.model_name.toLowerCase().includes('moonshot') ||
            model.model_name.toLowerCase().includes('kimi'),
      },
      zhipu: {
        label: t('智谱'),
        icon: <Zhipu.Color />,
        filter: (model) =>
            model.model_name.toLowerCase().includes('chatglm') ||
            model.model_name.toLowerCase().includes('glm-') ||
            model.model_name.toLowerCase().includes('cogview') ||
            model.model_name.toLowerCase().includes('cogvideo'),
      },
      qwen: {
        label: t('通义千问'),
        icon: <Qwen.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('qwen'),
      },
      deepseek: {
        label: 'DeepSeek',
        icon: <DeepSeek.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('deepseek'),
      },
      minimax: {
        label: 'MiniMax',
        icon: <Minimax.Color />,
        filter: (model) =>
            model.model_name.toLowerCase().includes('abab') ||
            model.model_name.toLowerCase().includes('minimax'),
      },
      baidu: {
        label: t('文心一言'),
        icon: <Wenxin.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('ernie'),
      },
      xunfei: {
        label: t('讯飞星火'),
        icon: <Spark.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('spark'),
      },
      midjourney: {
        label: 'Midjourney',
        icon: <Midjourney />,
        filter: (model) => model.model_name.toLowerCase().includes('mj_'),
      },
      tencent: {
        label: t('腾讯混元'),
        icon: <Hunyuan.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('hunyuan'),
      },
      cohere: {
        label: 'Cohere',
        icon: <Cohere.Color />,
        filter: (model) =>
            model.model_name.toLowerCase().includes('command') ||
            model.model_name.toLowerCase().includes('c4ai-') ||
            model.model_name.toLowerCase().includes('embed-'),
      },
      cloudflare: {
        label: 'Cloudflare',
        icon: <Cloudflare.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('@cf/'),
      },
      ai360: {
        label: t('360智脑'),
        icon: <Ai360.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('360'),
      },
      jina: {
        label: 'Jina',
        icon: <Jina />,
        filter: (model) => model.model_name.toLowerCase().includes('jina'),
      },
      mistral: {
        label: 'Mistral AI',
        icon: <Mistral.Color />,
        filter: (model) =>
            model.model_name.toLowerCase().includes('mistral') ||
            model.model_name.toLowerCase().includes('codestral') ||
            model.model_name.toLowerCase().includes('pixtral') ||
            model.model_name.toLowerCase().includes('voxtral') ||
            model.model_name.toLowerCase().includes('magistral'),
      },
      xai: {
        label: 'xAI',
        icon: <XAI />,
        filter: (model) => model.model_name.toLowerCase().includes('grok'),
      },
      llama: {
        label: 'Llama',
        icon: <Ollama />,
        filter: (model) => model.model_name.toLowerCase().includes('llama'),
      },
      doubao: {
        label: t('豆包'),
        icon: <Doubao.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('doubao'),
      },
      yi: {
        label: t('零一万物'),
        icon: <Yi.Color />,
        filter: (model) => model.model_name.toLowerCase().includes('yi'),
      },
    };

    lastLocale = currentLocale;
    return categoriesCache;
  };
})();

/**
 * 根据渠道类型返回对应的厂商图标
 * @param {number} channelType - 渠道类型值
 * @returns {JSX.Element|null} - 对应的厂商图标组件
 */
export function getChannelIcon(channelType) {
  const iconSize = 14;

  switch (channelType) {
    case 1: // OpenAI
    case 3: // Azure OpenAI
    case 57: // Codex
      return <OpenAI size={iconSize} />;
    case 2: // Midjourney Proxy
    case 5: // Midjourney Proxy Plus
      return <Midjourney size={iconSize} />;
    case 36: // Suno API
      return <Suno size={iconSize} />;
    case 4: // Ollama
      return <Ollama size={iconSize} />;
    case 14: // Anthropic Claude
    case 33: // AWS Claude
      return <Claude.Color size={iconSize} />;
    case 41: // Vertex AI
      return <Gemini.Color size={iconSize} />;
    case 34: // Cohere
      return <Cohere.Color size={iconSize} />;
    case 39: // Cloudflare
      return <Cloudflare.Color size={iconSize} />;
    case 43: // DeepSeek
      return <DeepSeek.Color size={iconSize} />;
    case 15: // 百度文心千帆
    case 46: // 百度文心千帆V2
      return <Wenxin.Color size={iconSize} />;
    case 17: // 阿里通义千问
      return <Qwen.Color size={iconSize} />;
    case 18: // 讯飞星火认知
      return <Spark.Color size={iconSize} />;
    case 16: // 智谱 ChatGLM
    case 26: // 智谱 GLM-4V
      return <Zhipu.Color size={iconSize} />;
    case 24: // Google Gemini
    case 11: // Google PaLM2
      return <Gemini.Color size={iconSize} />;
    case 47: // Xinference
      return <Xinference.Color size={iconSize} />;
    case 25: // Moonshot
      return <Moonshot size={iconSize} />;
    case 27: // Perplexity
      return <Perplexity.Color size={iconSize} />;
    case 20: // OpenRouter
      return <OpenRouter size={iconSize} />;
    case 19: // 360 智脑
      return <Ai360.Color size={iconSize} />;
    case 23: // 腾讯混元
      return <Hunyuan.Color size={iconSize} />;
    case 31: // 零一万物
      return <Yi.Color size={iconSize} />;
    case 35: // MiniMax
      return <Minimax.Color size={iconSize} />;
    case 37: // Dify
      return <Dify.Color size={iconSize} />;
    case 38: // Jina
      return <Jina size={iconSize} />;
    case 40: // SiliconCloud
      return <SiliconCloud.Color size={iconSize} />;
    case 42: // Mistral AI
      return <Mistral.Color size={iconSize} />;
    case 45: // 字节火山方舟、豆包通用
      return <Doubao.Color size={iconSize} />;
    case 48: // xAI
      return <XAI size={iconSize} />;
    case 49: // Coze
      return <Coze size={iconSize} />;
    case 50: // 可灵 Kling
      return <Kling.Color size={iconSize} />;
    case 51: // 即梦 Jimeng
      return <Jimeng.Color size={iconSize} />;
    case 54: // 豆包视频 Doubao Video
      return <Doubao.Color size={iconSize} />;
    case 56: // Replicate
      return <Replicate size={iconSize} />;
    case 8: // 自定义渠道
    case 22: // 知识库：FastGPT
      return <FastGPT.Color size={iconSize} />;
    case 21: // 知识库：AI Proxy
    case 44: // 嵌入模型：MokaAI M3E
    default:
      return null; // 未知类型或自定义渠道不显示图标
  }
}

/**
 * 根据图标名称动态获取 LobeHub 图标组件
 * 支持：
 * - 基础："OpenAI"、"OpenAI.Color" 等
 * - 额外属性（点号链式）："OpenAI.Avatar.type={'platform'}"、"OpenRouter.Avatar.shape={'square'}"
 * - 继续兼容第二参数 size；若字符串里有 size=，以字符串为准
 * @param {string} iconName - 图标名称/描述
 * @param {number} size - 图标大小，默认为 14
 * @returns {JSX.Element} - 对应的图标组件或 Avatar
 */
export function getLobeHubIcon(iconName, size = 14) {
  if (typeof iconName === 'string') iconName = iconName.trim();
  // 如果没有图标名称，返回 Avatar
  if (!iconName) {
    return <Avatar size='extra-extra-small'>?</Avatar>;
  }

  // 解析组件路径与点号链式属性
  const segments = String(iconName).split('.');
  const baseKey = segments[0];
  const BaseIcon = LobeIcons[baseKey];

  let IconComponent = undefined;
  let propStartIndex = 1;

  if (BaseIcon && segments.length > 1 && BaseIcon[segments[1]]) {
    IconComponent = BaseIcon[segments[1]];
    propStartIndex = 2;
  } else {
    IconComponent = LobeIcons[baseKey];
    propStartIndex = 1;
  }

  // 失败兜底
  if (
      !IconComponent ||
      (typeof IconComponent !== 'function' && typeof IconComponent !== 'object')
  ) {
    const firstLetter = String(iconName).charAt(0).toUpperCase();
    return <Avatar size='extra-extra-small'>{firstLetter}</Avatar>;
  }

  // 解析点号链式属性，形如：key={...}、key='...'、key="..."、key=123、key、key=true/false
  const props = {};

  const parseValue = (raw) => {
    if (raw == null) return true;
    let v = String(raw).trim();
    // 去除一层花括号包裹
    if (v.startsWith('{') && v.endsWith('}')) {
      v = v.slice(1, -1).trim();
    }
    // 去除引号
    if (
        (v.startsWith('"') && v.endsWith('"')) ||
        (v.startsWith("'") && v.endsWith("'"))
    ) {
      return v.slice(1, -1);
    }
    // 布尔
    if (v === 'true') return true;
    if (v === 'false') return false;
    // 数字
    if (/^-?\d+(?:\.\d+)?$/.test(v)) return Number(v);
    // 其他原样返回字符串
    return v;
  };

  for (let i = propStartIndex; i < segments.length; i++) {
    const seg = segments[i];
    if (!seg) continue;
    const eqIdx = seg.indexOf('=');
    if (eqIdx === -1) {
      props[seg.trim()] = true;
      continue;
    }
    const key = seg.slice(0, eqIdx).trim();
    const valRaw = seg.slice(eqIdx + 1).trim();
    props[key] = parseValue(valRaw);
  }

  // 兼容第二参数 size，若字符串中未显式指定 size，则使用函数入参
  if (props.size == null && size != null) props.size = size;

  return <IconComponent {...props} />;
}

const oauthProviderIconMap = {
  github: SiGithub,
  gitlab: SiGitlab,
  gitea: SiGitea,
  google: SiGoogle,
  discord: SiDiscord,
  facebook: SiFacebook,
  linkedin: FaLinkedin,
  x: SiX,
  twitter: SiX,
  slack: SiSlack,
  telegram: SiTelegram,
  wechat: SiWechat,
  keycloak: SiKeycloak,
  nextcloud: SiNextcloud,
  authentik: SiAuthentik,
  openid: SiOpenid,
  okta: SiOkta,
  auth0: SiAuth0,
  atlassian: SiAtlassian,
  bitbucket: SiBitbucket,
  notion: SiNotion,
  twitch: SiTwitch,
  reddit: SiReddit,
  dropbox: SiDropbox,
};

function isHttpUrl(value) {
  return /^https?:\/\//i.test(value || '');
}

function isSimpleEmoji(value) {
  if (!value) return false;
  const trimmed = String(value).trim();
  return trimmed.length > 0 && trimmed.length <= 4 && !isHttpUrl(trimmed);
}

function normalizeOAuthIconKey(raw) {
  return raw
      .trim()
      .toLowerCase()
      .replace(/^ri:/, '')
      .replace(/^react-icons:/, '')
      .replace(/^si:/, '');
}

/**
 * Render custom OAuth provider icon with react-icons or URL/emoji fallback.
 * Supported formats:
 * - react-icons simple key: github / gitlab / google / keycloak
 * - prefixed key: ri:github / si:github
 * - full URL image: https://example.com/logo.png
 * - emoji: 🐱
 */
export function getOAuthProviderIcon(iconName, size = 20) {
  const raw = String(iconName || '').trim();
  const iconSize = Number(size) > 0 ? Number(size) : 20;

  if (!raw) {
    return <Layers size={iconSize} color='var(--semi-color-text-2)' />;
  }

  if (isHttpUrl(raw)) {
    return (
        <img
            src={raw}
            alt='provider icon'
            width={iconSize}
            height={iconSize}
            style={{ borderRadius: 4, objectFit: 'cover' }}
        />
    );
  }

  if (isSimpleEmoji(raw)) {
    return (
        <span
            style={{
              width: iconSize,
              height: iconSize,
              lineHeight: `${iconSize}px`,
              textAlign: 'center',
              display: 'inline-block',
              fontSize: Math.max(Math.floor(iconSize * 0.8), 14),
            }}
        >
        {raw}
      </span>
    );
  }

  const key = normalizeOAuthIconKey(raw);
  const IconComp = oauthProviderIconMap[key];
  if (IconComp) {
    return <IconComp size={iconSize} />;
  }

  return (
      <Avatar size='extra-extra-small'>{raw.charAt(0).toUpperCase()}</Avatar>
  );
}

// 颜色列表
const colors = [
  'amber',
  'blue',
  'cyan',
  'green',
  'grey',
  'indigo',
  'light-blue',
  'lime',
  'orange',
  'pink',
  'purple',
  'red',
  'teal',
  'violet',
  'yellow',
];

// 基础10色色板 (N ≤ 10)
const baseColors = [
  '#1664FF', // 主色
  '#1AC6FF',
  '#FF8A00',
  '#3CC780',
  '#7442D4',
  '#FFC400',
  '#304D77',
  '#B48DEB',
  '#009488',
  '#FF7DDA',
];

// 扩展20色色板 (10 < N ≤ 20)
const extendedColors = [
  '#1664FF',
  '#B2CFFF',
  '#1AC6FF',
  '#94EFFF',
  '#FF8A00',
  '#FFCE7A',
  '#3CC780',
  '#B9EDCD',
  '#7442D4',
  '#DDC5FA',
  '#FFC400',
  '#FAE878',
  '#304D77',
  '#8B959E',
  '#B48DEB',
  '#EFE3FF',
  '#009488',
  '#59BAA8',
  '#FF7DDA',
  '#FFCFEE',
];

// 模型颜色映射
export const modelColorMap = {
  'dall-e': 'rgb(147,112,219)', // 深紫色
  // 'dall-e-2': 'rgb(147,112,219)', // 介于紫色和蓝色之间的色调
  'dall-e-3': 'rgb(153,50,204)', // 介于紫罗兰和洋红之间的色调
  'gpt-3.5-turbo': 'rgb(184,227,167)', // 浅绿色
  // 'gpt-3.5-turbo-0301': 'rgb(131,220,131)', // 亮绿色
  'gpt-3.5-turbo-0613': 'rgb(60,179,113)', // 海洋绿
  'gpt-3.5-turbo-1106': 'rgb(32,178,170)', // 浅海洋绿
  'gpt-3.5-turbo-16k': 'rgb(149,252,206)', // 淡橙色
  'gpt-3.5-turbo-16k-0613': 'rgb(119,255,214)', // 淡桃
  'gpt-3.5-turbo-instruct': 'rgb(175,238,238)', // 粉蓝色
  'gpt-4': 'rgb(135,206,235)', // 天蓝色
  // 'gpt-4-0314': 'rgb(70,130,180)', // 钢蓝色
  'gpt-4-0613': 'rgb(100,149,237)', // 矢车菊蓝
  'gpt-4-1106-preview': 'rgb(30,144,255)', // 道奇蓝
  'gpt-4-0125-preview': 'rgb(2,177,236)', // 深天蓝
  'gpt-4-turbo-preview': 'rgb(2,177,255)', // 深天蓝
  'gpt-4-32k': 'rgb(104,111,238)', // 中紫色
  // 'gpt-4-32k-0314': 'rgb(90,105,205)', // 暗灰蓝色
  'gpt-4-32k-0613': 'rgb(61,71,139)', // 暗蓝灰色
  'gpt-4-all': 'rgb(65,105,225)', // 皇家蓝
  'gpt-4-gizmo-*': 'rgb(0,0,255)', // 纯蓝色
  'gpt-4-vision-preview': 'rgb(25,25,112)', // 午夜蓝
  'text-ada-001': 'rgb(255,192,203)', // 粉红色
  'text-babbage-001': 'rgb(255,160,122)', // 浅珊瑚色
  'text-curie-001': 'rgb(219,112,147)', // 苍紫罗兰色
  // 'text-davinci-002': 'rgb(199,21,133)', // 中紫罗兰红色
  'text-davinci-003': 'rgb(219,112,147)', // 苍紫罗兰色（与Curie相同，表示同一个系列）
  'text-davinci-edit-001': 'rgb(255,105,180)', // 热粉色
  'text-embedding-ada-002': 'rgb(255,182,193)', // 浅粉红
  'text-embedding-v1': 'rgb(255,174,185)', // 浅粉红色（略有区别）
  'text-moderation-latest': 'rgb(255,130,171)', // 强粉色
  'text-moderation-stable': 'rgb(255,160,122)', // 浅珊瑚色（与Babbage相同，表示同一类功能）
  'tts-1': 'rgb(255,140,0)', // 深橙色
  'tts-1-1106': 'rgb(255,165,0)', // 橙色
  'tts-1-hd': 'rgb(255,215,0)', // 金色
  'tts-1-hd-1106': 'rgb(255,223,0)', // 金黄色（略有区别）
  'whisper-1': 'rgb(245,245,220)', // 米色
  'claude-3-opus-20240229': 'rgb(255,132,31)', // 橙红色
  'claude-3-sonnet-20240229': 'rgb(253,135,93)', // 橙色
  'claude-3-haiku-20240307': 'rgb(255,175,146)', // 浅橙色
};

export function modelToColor(modelName) {
  // 1. 如果模型在预定义的 modelColorMap 中，使用预定义颜色
  if (modelColorMap[modelName]) {
    return modelColorMap[modelName];
  }

  // 2. 生成一个稳定的数字作为索引
  let hash = 0;
  for (let i = 0; i < modelName.length; i++) {
    hash = (hash << 5) - hash + modelName.charCodeAt(i);
    hash = hash & hash; // Convert to 32-bit integer
  }
  hash = Math.abs(hash);

  // 3. 根据模型名称长度选择不同的色板
  const colorPalette = modelName.length > 10 ? extendedColors : baseColors;

  // 4. 使用hash值选择颜色
  const index = hash % colorPalette.length;
  return colorPalette[index];
}

export function stringToColor(str) {
  let sum = 0;
  for (let i = 0; i < str.length; i++) {
    sum += str.charCodeAt(i);
  }
  let i = sum % colors.length;
  return colors[i];
}

// 渲染带有模型图标的标签
export function renderModelTag(modelName, options = {}) {
  const {
    color,
    size = 'default',
    shape = 'circle',
    onClick,
    suffixIcon,
  } = options;

  const categories = getModelCategories(i18next.t);
  let icon = null;

  for (const [key, category] of Object.entries(categories)) {
    if (key !== 'all' && category.filter({ model_name: modelName })) {
      icon = category.icon;
      break;
    }
  }

  return (
      <Tag
          color={color || stringToColor(modelName)}
          prefixIcon={icon}
          suffixIcon={suffixIcon}
          size={size}
          shape={shape}
          onClick={onClick}
      >
        {modelName}
      </Tag>
  );
}

export function renderText(text, limit) {
  if (text.length > limit) {
    return text.slice(0, limit - 3) + '...';
  }
  return text;
}

/**
 * Render group tags based on the input group string
 * @param {string} group - The input group string
 * @returns {JSX.Element} - The rendered group tags
 */
export function renderGroup(group) {
  if (group === '') {
    return (
        <Tag key='default' color='white' shape='circle'>
          {i18next.t('用户分组')}
        </Tag>
    );
  }

  const tagColors = {
    vip: 'yellow',
    pro: 'yellow',
    svip: 'red',
    premium: 'red',
  };

  const groups = group.split(',').sort();

  return (
      <span key={group}>
      {groups.map((group) => (
          <Tag
              color={tagColors[group] || stringToColor(group)}
              key={group}
              shape='circle'
              onClick={async (event) => {
                event.stopPropagation();
                if (await copy(group)) {
                  showSuccess(i18next.t('已复制：') + group);
                } else {
                  Modal.error({
                    title: i18next.t('无法复制到剪贴板，请手动复制'),
                    content: group,
                  });
                }
              }}
          >
            {group}
          </Tag>
      ))}
    </span>
  );
}

export function renderRatio(ratio) {
  let color = 'green';
  if (ratio > 5) {
    color = 'red';
  } else if (ratio > 3) {
    color = 'orange';
  } else if (ratio > 1) {
    color = 'blue';
  }
  return (
      <Tag color={color}>
        {ratio}x {i18next.t('倍率')}
      </Tag>
  );
}

const measureTextWidth = (
    text,
    style = {
      fontSize: '14px',
      fontFamily:
          '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif',
    },
    containerWidth,
) => {
  const span = document.createElement('span');

  span.style.visibility = 'hidden';
  span.style.position = 'absolute';
  span.style.whiteSpace = 'nowrap';
  span.style.fontSize = style.fontSize;
  span.style.fontFamily = style.fontFamily;

  span.textContent = text;

  document.body.appendChild(span);
  const width = span.offsetWidth;

  document.body.removeChild(span);

  return width;
};

export function truncateText(text, maxWidth = 200) {
  const isMobileScreen = window.matchMedia(
      `(max-width: ${MOBILE_BREAKPOINT - 1}px)`,
  ).matches;
  if (!isMobileScreen) {
    return text;
  }
  if (!text) return text;

  try {
    // Handle percentage-based maxWidth
    let actualMaxWidth = maxWidth;
    if (typeof maxWidth === 'string' && maxWidth.endsWith('%')) {
      const percentage = parseFloat(maxWidth) / 100;
      // Use window width as fallback container width
      actualMaxWidth = window.innerWidth * percentage;
    }

    const width = measureTextWidth(text);
    if (width <= actualMaxWidth) return text;

    let left = 0;
    let right = text.length;
    let result = text;

    while (left <= right) {
      const mid = Math.floor((left + right) / 2);
      const truncated = text.slice(0, mid) + '...';
      const currentWidth = measureTextWidth(truncated);

      if (currentWidth <= actualMaxWidth) {
        result = truncated;
        left = mid + 1;
      } else {
        right = mid - 1;
      }
    }

    return result;
  } catch (error) {
    console.warn(
        'Text measurement failed, falling back to character count',
        error,
    );
    if (text.length > 20) {
      return text.slice(0, 17) + '...';
    }
    return text;
  }
}

export const renderGroupOption = (item) => {
  const {
    disabled,
    selected,
    label,
    value,
    focused,
    className,
    style,
    onMouseEnter,
    onClick,
    empty,
    emptyContent,
    ...rest
  } = item;

  const baseStyle = {
    display: 'flex',
    justifyContent: 'space-between',
    alignItems: 'center',
    padding: '8px 16px',
    cursor: disabled ? 'not-allowed' : 'pointer',
    backgroundColor: focused ? 'var(--semi-color-fill-0)' : 'transparent',
    opacity: disabled ? 0.5 : 1,
    ...(selected && {
      backgroundColor: 'var(--semi-color-primary-light-default)',
    }),
    '&:hover': {
      backgroundColor: !disabled && 'var(--semi-color-fill-1)',
    },
  };

  const handleClick = () => {
    if (!disabled && onClick) {
      onClick();
    }
  };

  const handleMouseEnter = (e) => {
    if (!disabled && onMouseEnter) {
      onMouseEnter(e);
    }
  };

  return (
      <div
          style={baseStyle}
          onClick={handleClick}
          onMouseEnter={handleMouseEnter}
      >
        <div style={{ display: 'flex', flexDirection: 'column', gap: '4px' }}>
          <Typography.Text strong type={disabled ? 'tertiary' : undefined}>
            {value}
          </Typography.Text>
          <Typography.Text type='secondary' size='small'>
            {label}
          </Typography.Text>
        </div>
        {item.ratio && renderRatio(item.ratio)}
      </div>
  );
};

export function renderNumber(num) {
  if (num >= 1000000000) {
    return (num / 1000000000).toFixed(1) + 'B';
  } else if (num >= 1000000) {
    return (num / 1000000).toFixed(1) + 'M';
  } else if (num >= 10000) {
    return (num / 1000).toFixed(1) + 'k';
  } else {
    return num;
  }
}

export function renderQuotaNumberWithDigit(num, digits = 2) {
  if (typeof num !== 'number' || isNaN(num)) {
    return 0;
  }
  const quotaDisplayType = localStorage.getItem('quota_display_type') || 'USD';
  num = num.toFixed(digits);
  if (quotaDisplayType === 'CNY') {
    return '¥' + num;
  } else if (quotaDisplayType === 'USD') {
    return '$' + num;
  } else if (quotaDisplayType === 'CUSTOM') {
    const statusStr = localStorage.getItem('status');
    let symbol = '¤';
    try {
      if (statusStr) {
        const s = JSON.parse(statusStr);
        symbol = s?.custom_currency_symbol || symbol;
      }
    } catch (e) {}
    return symbol + num;
  } else {
    return num;
  }
}

export function renderNumberWithPoint(num) {
  if (num === undefined) return '';
  num = num.toFixed(2);
  if (num >= 100000) {
    // Convert number to string to manipulate it
    let numStr = num.toString();
    // Find the position of the decimal point
    let decimalPointIndex = numStr.indexOf('.');

    let wholePart = numStr;
    let decimalPart = '';

    // If there is a decimal point, split the number into whole and decimal parts
    if (decimalPointIndex !== -1) {
      wholePart = numStr.slice(0, decimalPointIndex);
      decimalPart = numStr.slice(decimalPointIndex);
    }

    // Take the first two and last two digits of the whole number part
    let shortenedWholePart = wholePart.slice(0, 2) + '..' + wholePart.slice(-2);

    // Return the formatted number
    return shortenedWholePart + decimalPart;
  }

  // If the number is less than 100,000, return it unmodified
  return num;
}

export function getQuotaPerUnit() {
  let quotaPerUnit = localStorage.getItem('quota_per_unit');
  quotaPerUnit = parseFloat(quotaPerUnit);
  return quotaPerUnit;
}

export function renderUnitWithQuota(quota) {
  let quotaPerUnit = localStorage.getItem('quota_per_unit');
  quotaPerUnit = parseFloat(quotaPerUnit);
  quota = parseFloat(quota);
  return quotaPerUnit * quota;
}

export function getQuotaWithUnit(quota, digits = 6) {
  let quotaPerUnit = localStorage.getItem('quota_per_unit');
  quotaPerUnit = parseFloat(quotaPerUnit);
  return (quota / quotaPerUnit).toFixed(digits);
}

// amount 为系统内部的美元值
export function renderQuotaWithAmount(amount) {
  const { symbol, rate, type } = getCurrencyConfig();
  if (type === 'TOKENS') {
    return renderNumber(renderUnitWithQuota(amount));
  }
  const numericAmount = Number(amount);
  if (!Number.isFinite(numericAmount)) {
    return symbol + amount;
  }
  return symbol + (numericAmount * rate).toFixed(2);
}

/**
 * 获取当前货币配置信息
 * @returns {Object} - { symbol, rate, type }
 */
export function getCurrencyConfig() {
  const quotaDisplayType = localStorage.getItem('quota_display_type') || 'USD';
  const statusStr = localStorage.getItem('status');

  let symbol = '$';
  let rate = 1;

  if (quotaDisplayType === 'CNY') {
    symbol = '¥';
    try {
      if (statusStr) {
        const s = JSON.parse(statusStr);
        rate = s?.usd_exchange_rate || 7;
      }
    } catch (e) {}
  } else if (quotaDisplayType === 'CUSTOM') {
    try {
      if (statusStr) {
        const s = JSON.parse(statusStr);
        symbol = s?.custom_currency_symbol || '¤';
        rate = s?.custom_currency_exchange_rate || 1;
      }
    } catch (e) {}
  }

  return { symbol, rate, type: quotaDisplayType };
}

/**
 * 将美元金额转换为当前选择的货币
 * @param {number} usdAmount - 美元金额
 * @param {number} digits - 小数位数
 * @returns {string} - 格式化后的货币字符串
 */
export function convertUSDToCurrency(usdAmount, digits = 2) {
  const { symbol, rate } = getCurrencyConfig();
  const convertedAmount = usdAmount * rate;
  return symbol + convertedAmount.toFixed(digits);
}

export function renderQuota(quota, digits = 2) {
  let quotaPerUnit = localStorage.getItem('quota_per_unit');
  const quotaDisplayType = localStorage.getItem('quota_display_type') || 'USD';
  quotaPerUnit = parseFloat(quotaPerUnit);
  if (quotaDisplayType === 'TOKENS') {
    return renderNumber(quota);
  }
  const resultUSD = quota / quotaPerUnit;
  let symbol = '$';
  let value = resultUSD;
  if (quotaDisplayType === 'CNY') {
    const statusStr = localStorage.getItem('status');
    let usdRate = 1;
    try {
      if (statusStr) {
        const s = JSON.parse(statusStr);
        usdRate = s?.usd_exchange_rate || 1;
      }
    } catch (e) {}
    value = resultUSD * usdRate;
    symbol = '¥';
  } else if (quotaDisplayType === 'CUSTOM') {
    const statusStr = localStorage.getItem('status');
    let symbolCustom = '¤';
    let rate = 1;
    try {
      if (statusStr) {
        const s = JSON.parse(statusStr);
        symbolCustom = s?.custom_currency_symbol || symbolCustom;
        rate = s?.custom_currency_exchange_rate || rate;
      }
    } catch (e) {}
    value = resultUSD * rate;
    symbol = symbolCustom;
  }
  const fixedResult = value.toFixed(digits);
  if (parseFloat(fixedResult) === 0 && quota > 0 && value > 0) {
    const minValue = Math.pow(10, -digits);
    return symbol + minValue.toFixed(digits);
  }
  return symbol + fixedResult;
}

function isValidGroupRatio(ratio) {
  return Number.isFinite(ratio) && ratio !== -1;
}

/**
 * Helper function to get effective ratio and label
 * @param {number} groupRatio - The default group ratio
 * @param {number} user_group_ratio - The user-specific group ratio
 * @returns {Object} - Object containing { ratio, label, useUserGroupRatio }
 */
function getEffectiveRatio(groupRatio, user_group_ratio) {
  const useUserGroupRatio = isValidGroupRatio(user_group_ratio);
  const ratioLabel = useUserGroupRatio
      ? i18next.t('专属倍率')
      : i18next.t('分组倍率');
  const effectiveRatio = useUserGroupRatio ? user_group_ratio : groupRatio;

  return {
    ratio: effectiveRatio,
    label: ratioLabel,
    useUserGroupRatio: useUserGroupRatio,
  };
}

function getQuotaDisplayType() {
  return localStorage.getItem('quota_display_type') || 'USD';
}

function resolveBillingDisplayMode(displayMode, modelPrice = -1) {
  if (modelPrice !== -1) {
    return 'price';
  }
  if (getQuotaDisplayType() === 'TOKENS') {
    return 'ratio';
  }
  return displayMode === 'ratio' ? 'ratio' : 'price';
}

function isPriceDisplayMode(displayMode, modelPrice = -1) {
  return resolveBillingDisplayMode(displayMode, modelPrice) === 'price';
}

function shouldUseRatioBillingProcess(modelPrice = -1) {
  return modelPrice === -1 && getQuotaDisplayType() === 'TOKENS';
}

function formatCompactDisplayPrice(usdAmount, digits = 6) {
  const { symbol, rate } = getCurrencyConfig();
  const amount = Number((usdAmount * rate).toFixed(digits));
  return `${symbol}${amount}`;
}

function appendPricePart(parts, condition, key, vars) {
  if (!condition) {
    return;
  }
  parts.push(i18next.t(key, vars));
}

function joinBillingSummary(parts) {
  return parts.filter(Boolean).join('，');
}

function getGroupRatioText(groupRatio, user_group_ratio) {
  const { ratio, label } = getEffectiveRatio(groupRatio, user_group_ratio);
  return i18next.t('{{ratioType}} {{ratio}}x', {
    ratioType: label,
    ratio,
  });
}

function formatRatioValue(value, digits = 6) {
  const num = Number(value);
  if (!Number.isFinite(num)) {
    return 0;
  }
  return Number(num.toFixed(digits));
}

function renderDisplayAmountFromUsd(usdAmount, digits = 6) {
  return renderQuotaWithAmount(Number(Number(usdAmount || 0).toFixed(digits)));
}

function formatBillingDisplayPrice(usdAmount, rate, digits = 6) {
  return (usdAmount * rate).toFixed(digits);
}

function buildBillingText(key, vars) {
  return i18next.t(key, vars);
}

function buildBillingPriceText(
    key,
    { symbol, usdAmount, rate, amountKey = 'price', digits = 6, ...vars },
) {
  return buildBillingText(key, {
    symbol,
    [amountKey]: formatBillingDisplayPrice(usdAmount, rate, digits),
    ...vars,
  });
}

function renderBillingArticle(lines, { showReferenceNote = true } = {}) {
  const articleLines = lines.filter(Boolean);

  if (showReferenceNote) {
    articleLines.push(buildBillingText('仅供参考，以实际扣费为准'));
  }

  return (
      <article>
        {articleLines.map((line, index) => (
            <p key={index}>{line}</p>
        ))}
      </article>
  );
}

// Shared core for simple price rendering (used by OpenAI-like and Claude-like variants)
function renderPriceSimpleCore({
                                 modelRatio,
                                 modelPrice = -1,
                                 groupRatio,
                                 user_group_ratio,
                                 cacheTokens = 0,
                                 cacheRatio = 1.0,
                                 cacheCreationTokens = 0,
                                 cacheCreationRatio = 1.0,
                                 cacheCreationTokens5m = 0,
                                 cacheCreationRatio5m = 1.0,
                                 cacheCreationTokens1h = 0,
                                 cacheCreationRatio1h = 1.0,
                                 image = false,
                                 imageRatio = 1.0,
                                 isSystemPromptOverride = false,
                                 displayMode = 'price',
                                 outputMode = 'text',
                               }) {
  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(
      groupRatio,
      user_group_ratio,
  );
  const finalGroupRatio = effectiveGroupRatio;

  const { symbol, rate } = getCurrencyConfig();
  const hasSplitCacheCreation =
      cacheCreationTokens5m > 0 || cacheCreationTokens1h > 0;

  const shouldShowLegacyCacheCreation =
      !hasSplitCacheCreation && cacheCreationTokens !== 0;

  const shouldShowCache = cacheTokens !== 0;
  const shouldShowCacheCreation5m =
      hasSplitCacheCreation && cacheCreationTokens5m > 0;
  const shouldShowCacheCreation1h =
      hasSplitCacheCreation && cacheCreationTokens1h > 0;

  if (outputMode === 'segments') {
    const segments = [
      {
        tone: 'primary',
        text: getGroupRatioText(groupRatio, user_group_ratio),
      },
    ];

    if (modelPrice !== -1) {
      segments.push({
        tone: 'secondary',
        text: isPriceDisplayMode(displayMode, modelPrice)
            ? i18next.t('模型价格 {{price}}', {
              price: formatCompactDisplayPrice(modelPrice),
            })
            : i18next.t('按次'),
      });
    } else if (isPriceDisplayMode(displayMode, modelPrice)) {
      segments.push({
        tone: 'secondary',
        text: i18next.t('输入 {{price}} / 1M tokens', {
          price: formatCompactDisplayPrice(modelRatio * 2.0),
        }),
      });

      if (shouldShowCache) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('缓存读 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(modelRatio * 2.0 * cacheRatio),
          }),
        });
      }

      if (hasSplitCacheCreation && shouldShowCacheCreation5m) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('5m缓存创建 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(
                modelRatio * 2.0 * cacheCreationRatio5m,
            ),
          }),
        });
      }
      if (hasSplitCacheCreation && shouldShowCacheCreation1h) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('1h缓存创建 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(
                modelRatio * 2.0 * cacheCreationRatio1h,
            ),
          }),
        });
      }
      if (!hasSplitCacheCreation && shouldShowLegacyCacheCreation) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('缓存创建 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(
                modelRatio * 2.0 * cacheCreationRatio,
            ),
          }),
        });
      }

      if (image) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('图片输入 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(modelRatio * 2.0 * imageRatio),
          }),
        });
      }
    } else {
      segments.push({
        tone: 'secondary',
        text: i18next.t('模型: {{ratio}}', {
          ratio: modelRatio,
        }),
      });

      if (shouldShowCache) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('缓存: {{cacheRatio}}', {
            cacheRatio: cacheRatio,
          }),
        });
      }

      if (hasSplitCacheCreation) {
        if (shouldShowCacheCreation5m && shouldShowCacheCreation1h) {
          segments.push({
            tone: 'secondary',
            text: i18next.t(
                '缓存创建: 5m {{cacheCreationRatio5m}} / 1h {{cacheCreationRatio1h}}',
                {
                  cacheCreationRatio5m: cacheCreationRatio5m,
                  cacheCreationRatio1h: cacheCreationRatio1h,
                },
            ),
          });
        } else if (shouldShowCacheCreation5m) {
          segments.push({
            tone: 'secondary',
            text: i18next.t('缓存创建: 5m {{cacheCreationRatio5m}}', {
              cacheCreationRatio5m: cacheCreationRatio5m,
            }),
          });
        } else if (shouldShowCacheCreation1h) {
          segments.push({
            tone: 'secondary',
            text: i18next.t('缓存创建: 1h {{cacheCreationRatio1h}}', {
              cacheCreationRatio1h: cacheCreationRatio1h,
            }),
          });
        }
      } else if (shouldShowLegacyCacheCreation) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('缓存创建: {{cacheCreationRatio}}', {
            cacheCreationRatio: cacheCreationRatio,
          }),
        });
      }

      if (image) {
        segments.push({
          tone: 'secondary',
          text: i18next.t('图片输入: {{imageRatio}}', {
            imageRatio: imageRatio,
          }),
        });
      }
    }

    if (isSystemPromptOverride) {
      segments.push({
        tone: 'primary',
        text: i18next.t('系统提示覆盖'),
      });
    }

    return segments;
  }

  if (modelPrice !== -1) {
    if (isPriceDisplayMode(displayMode, modelPrice)) {
      return joinBillingSummary([
        i18next.t('模型价格：{{symbol}}{{price}}', {
          symbol: symbol,
          price: (modelPrice * rate).toFixed(6),
        }),
        getGroupRatioText(groupRatio, user_group_ratio),
      ]);
    }
    const displayPrice = (modelPrice * rate).toFixed(6);
    return i18next.t('价格：{{symbol}}{{price}} * {{ratioType}}：{{ratio}}', {
      symbol: symbol,
      price: displayPrice,
      ratioType: ratioLabel,
      ratio: finalGroupRatio,
    });
  }

  if (isPriceDisplayMode(displayMode, modelPrice)) {
    const parts = [];
    if (modelPrice !== -1) {
      parts.push(
          i18next.t('模型价格 {{price}}', {
            price: formatCompactDisplayPrice(modelPrice),
          }),
      );
      parts.push(getGroupRatioText(groupRatio, user_group_ratio));
      return joinBillingSummary(parts);
    }

    parts.push(
        i18next.t('输入 {{price}} / 1M tokens', {
          price: formatCompactDisplayPrice(modelRatio * 2.0),
        }),
    );

    if (shouldShowCache) {
      parts.push(
          i18next.t('缓存读 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(modelRatio * 2.0 * cacheRatio),
          }),
      );
    }

    if (hasSplitCacheCreation && shouldShowCacheCreation5m) {
      parts.push(
          i18next.t('5m缓存创建 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(
                modelRatio * 2.0 * cacheCreationRatio5m,
            ),
          }),
      );
    }
    if (hasSplitCacheCreation && shouldShowCacheCreation1h) {
      parts.push(
          i18next.t('1h缓存创建 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(
                modelRatio * 2.0 * cacheCreationRatio1h,
            ),
          }),
      );
    }
    if (!hasSplitCacheCreation && shouldShowLegacyCacheCreation) {
      parts.push(
          i18next.t('缓存创建 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(
                modelRatio * 2.0 * cacheCreationRatio,
            ),
          }),
      );
    }

    if (image) {
      parts.push(
          i18next.t('图片输入 {{price}} / 1M tokens', {
            price: formatCompactDisplayPrice(modelRatio * 2.0 * imageRatio),
          }),
      );
    }

    parts.push(getGroupRatioText(groupRatio, user_group_ratio));

    let result = joinBillingSummary(parts);
    if (isSystemPromptOverride) {
      result += '\n\r' + i18next.t('系统提示覆盖');
    }
    return result;
  }

  const parts = [];
  // base: model ratio
  parts.push(i18next.t('模型: {{ratio}}'));

  // cache part (label differs when with image)
  if (shouldShowCache) {
    parts.push(i18next.t('缓存: {{cacheRatio}}'));
  }

  if (hasSplitCacheCreation) {
    if (shouldShowCacheCreation5m && shouldShowCacheCreation1h) {
      parts.push(
          i18next.t(
              '缓存创建: 5m {{cacheCreationRatio5m}} / 1h {{cacheCreationRatio1h}}',
          ),
      );
    } else if (shouldShowCacheCreation5m) {
      parts.push(i18next.t('缓存创建: 5m {{cacheCreationRatio5m}}'));
    } else if (shouldShowCacheCreation1h) {
      parts.push(i18next.t('缓存创建: 1h {{cacheCreationRatio1h}}'));
    }
  } else if (shouldShowLegacyCacheCreation) {
    parts.push(i18next.t('缓存创建: {{cacheCreationRatio}}'));
  }

  // image part
  if (image) {
    parts.push(i18next.t('图片输入: {{imageRatio}}'));
  }

  parts.push(`{{ratioType}}: {{groupRatio}}`);

  let result = i18next.t(parts.join(' * '), {
    ratio: modelRatio,
    ratioType: ratioLabel,
    groupRatio: finalGroupRatio,
    cacheRatio: cacheRatio,
    cacheCreationRatio: cacheCreationRatio,
    cacheCreationRatio5m: cacheCreationRatio5m,
    cacheCreationRatio1h: cacheCreationRatio1h,
    imageRatio: imageRatio,
  });

  if (isSystemPromptOverride) {
    result += '\n\r' + i18next.t('系统提示覆盖');
  }

  return result;
}

export function renderTaskBillingProcess(other, content) {
  if (other?.task_id != null) {
    return renderBillingArticle(
        [content].filter(Boolean),
        { showReferenceNote: false },
    );
  }
  return renderBillingArticle([
    buildBillingText('任务预扣费（将在任务完成后按实际token重算）'),
  ]);
}

export function renderModelPrice(opts) {
  const {
    prompt_tokens: inputTokens = 0,
    completion_tokens: completionTokens = 0,
    model_ratio: modelRatio = 0,
    model_price: modelPrice = -1,
    completion_ratio: _completionRatio,
    group_ratio: _groupRatio,
    user_group_ratio,
    cache_tokens: cacheTokens = 0,
    cache_ratio: cacheRatio = 1.0,
    image = false,
    image_ratio: imageRatio = 1.0,
    image_output: imageOutputTokens = 0,
    web_search: webSearch = false,
    web_search_call_count: webSearchCallCount = 0,
    web_search_price: webSearchPrice = 0,
    file_search: fileSearch = false,
    file_search_call_count: fileSearchCallCount = 0,
    file_search_price: fileSearchPrice = 0,
    audio_input_seperate_price: audioInputSeperatePrice = false,
    audio_input_token_count: audioInputTokens = 0,
    audio_input_price: audioInputPrice = 0,
    image_generation_call: imageGenerationCall = false,
    image_generation_call_price: imageGenerationCallPrice = 0,
    displayMode = 'price',
  } = opts;
  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(
      _groupRatio,
      user_group_ratio,
  );
  let groupRatio = effectiveGroupRatio;
  const completionRatio = _completionRatio ?? 0;

  const { symbol, rate } = getCurrencyConfig();

  if (!shouldUseRatioBillingProcess(modelPrice)) {
    if (modelPrice !== -1) {
      return renderBillingArticle([
        buildBillingPriceText('按次：{{symbol}}{{price}}', {
          symbol,
          usdAmount: modelPrice,
          rate,
        }),
        buildBillingPriceText(
            '按次 {{symbol}}{{price}} * {{ratioType}} {{ratio}} = {{symbol}}{{total}}',
            {
              symbol,
              usdAmount: modelPrice,
              rate,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amountKey: 'price',
              total: formatBillingDisplayPrice(modelPrice * groupRatio, rate),
            },
        ),
      ]);
    }

    const inputRatioPrice = modelRatio * 2.0;
    const completionRatioPrice = modelRatio * 2.0 * completionRatio;
    const cacheRatioPrice = modelRatio * 2.0 * cacheRatio;
    const imageRatioPrice = modelRatio * 2.0 * imageRatio;
    let effectiveInputTokens =
        inputTokens - cacheTokens + cacheTokens * cacheRatio;
    if (image && imageOutputTokens > 0) {
      effectiveInputTokens =
          inputTokens - imageOutputTokens + imageOutputTokens * imageRatio;
    }
    if (audioInputTokens > 0) {
      effectiveInputTokens -= audioInputTokens;
    }
    const price =
        (effectiveInputTokens / 1000000) * inputRatioPrice * groupRatio +
        (audioInputTokens / 1000000) * audioInputPrice * groupRatio +
        (completionTokens / 1000000) * completionRatioPrice * groupRatio +
        (webSearchCallCount / 1000) * webSearchPrice * groupRatio +
        (fileSearchCallCount / 1000) * fileSearchPrice * groupRatio +
        imageGenerationCallPrice * groupRatio;

    let inputDesc = '';
    if (image && imageOutputTokens > 0) {
      inputDesc = buildBillingPriceText(
          '(输入 {{nonImageInput}} tokens + 图片输入 {{imageInput}} tokens / 1M tokens * {{symbol}}{{price}}',
          {
            nonImageInput: inputTokens - imageOutputTokens,
            imageInput: imageOutputTokens,
            symbol,
            usdAmount: inputRatioPrice,
            rate,
          },
      );
    } else if (cacheTokens > 0) {
      inputDesc = buildBillingText(
          '(输入 {{nonCacheInput}} tokens / 1M tokens * {{symbol}}{{price}} + 缓存 {{cacheInput}} tokens / 1M tokens * {{symbol}}{{cachePrice}}',
          {
            nonCacheInput: inputTokens - cacheTokens,
            cacheInput: cacheTokens,
            symbol,
            price: formatBillingDisplayPrice(inputRatioPrice, rate),
            cachePrice: formatBillingDisplayPrice(cacheRatioPrice, rate),
          },
      );
    } else if (audioInputSeperatePrice && audioInputTokens > 0) {
      inputDesc = buildBillingText(
          '(输入 {{nonAudioInput}} tokens / 1M tokens * {{symbol}}{{price}} + 音频输入 {{audioInput}} tokens / 1M tokens * {{symbol}}{{audioPrice}}',
          {
            nonAudioInput: inputTokens - audioInputTokens,
            audioInput: audioInputTokens,
            symbol,
            price: formatBillingDisplayPrice(inputRatioPrice, rate),
            audioPrice: formatBillingDisplayPrice(audioInputPrice, rate),
          },
      );
    } else {
      inputDesc = buildBillingPriceText(
          '(输入 {{input}} tokens / 1M tokens * {{symbol}}{{price}}',
          {
            input: inputTokens,
            symbol,
            usdAmount: inputRatioPrice,
            rate,
          },
      );
    }

    const outputDesc = buildBillingText(
        '输出 {{completion}} tokens / 1M tokens * {{symbol}}{{compPrice}}) * {{ratioType}} {{ratio}}',
        {
          completion: completionTokens,
          symbol,
          compPrice: formatBillingDisplayPrice(completionRatioPrice, rate),
          ratio: groupRatio,
          ratioType: ratioLabel,
        },
    );

    const extraServices = [
      webSearch && webSearchCallCount > 0
          ? buildBillingPriceText(
              ' + Web搜索 {{count}}次 / 1K 次 * {{symbol}}{{price}} * {{ratioType}} {{ratio}}',
              {
                count: webSearchCallCount,
                symbol,
                usdAmount: webSearchPrice,
                rate,
                ratio: groupRatio,
                ratioType: ratioLabel,
              },
          )
          : '',
      fileSearch && fileSearchCallCount > 0
          ? buildBillingPriceText(
              ' + 文件搜索 {{count}}次 / 1K 次 * {{symbol}}{{price}} * {{ratioType}} {{ratio}}',
              {
                count: fileSearchCallCount,
                symbol,
                usdAmount: fileSearchPrice,
                rate,
                ratio: groupRatio,
                ratioType: ratioLabel,
              },
          )
          : '',
      imageGenerationCall && imageGenerationCallPrice > 0
          ? buildBillingPriceText(
              ' + 图片生成调用 {{symbol}}{{price}} / 1次 * {{ratioType}} {{ratio}}',
              {
                symbol,
                usdAmount: imageGenerationCallPrice,
                rate,
                ratio: groupRatio,
                ratioType: ratioLabel,
              },
          )
          : '',
    ].join('');

    const billingLines = [
      buildBillingPriceText(
          '输入价格：{{symbol}}{{price}} / 1M tokens{{audioPrice}}',
          {
            symbol,
            usdAmount: inputRatioPrice,
            rate,
            audioPrice: audioInputSeperatePrice
                ? `，${i18next.t('音频输入价格')} ${symbol}${formatBillingDisplayPrice(audioInputPrice, rate)} / 1M tokens`
                : '',
          },
      ),
      buildBillingPriceText('输出价格：{{symbol}}{{total}} / 1M tokens', {
        symbol,
        usdAmount: completionRatioPrice,
        rate,
        amountKey: 'total',
      }),
      cacheTokens > 0
          ? buildBillingPriceText(
              '缓存读取价格：{{symbol}}{{total}} / 1M tokens',
              {
                symbol,
                usdAmount: inputRatioPrice * cacheRatio,
                rate,
                amountKey: 'total',
              },
          )
          : null,
      image && imageOutputTokens > 0
          ? buildBillingPriceText(
              '图片输入价格：{{symbol}}{{total}} / 1M tokens',
              {
                symbol,
                usdAmount: imageRatioPrice,
                rate,
                amountKey: 'total',
              },
          )
          : null,
      webSearch && webSearchCallCount > 0
          ? buildBillingPriceText('Web搜索价格：{{symbol}}{{price}} / 1K 次', {
            symbol,
            usdAmount: webSearchPrice,
            rate,
          })
          : null,
      fileSearch && fileSearchCallCount > 0
          ? buildBillingPriceText('文件搜索价格：{{symbol}}{{price}} / 1K 次', {
            symbol,
            usdAmount: fileSearchPrice,
            rate,
          })
          : null,
      imageGenerationCall && imageGenerationCallPrice > 0
          ? buildBillingPriceText('图片生成调用：{{symbol}}{{price}} / 1次', {
            symbol,
            usdAmount: imageGenerationCallPrice,
            rate,
          })
          : null,
      buildBillingText(
          '{{inputDesc}} + {{outputDesc}}{{extraServices}} = {{symbol}}{{total}}',
          {
            inputDesc,
            outputDesc,
            extraServices,
            symbol,
            total: formatBillingDisplayPrice(price, rate),
          },
      ),
    ];

    return renderBillingArticle(billingLines);
  }

  if (modelPrice !== -1) {
    const displayPrice = (modelPrice * rate).toFixed(6);
    const displayTotal = (modelPrice * groupRatio * rate).toFixed(6);
    return i18next.t(
        '按次：{{symbol}}{{price}} * {{ratioType}}：{{ratio}} = {{symbol}}{{total}}',
        {
          symbol: symbol,
          price: displayPrice,
          ratio: groupRatio,
          total: displayTotal,
          ratioType: ratioLabel,
        },
    );
  }

  const modelRatioValue = formatRatioValue(modelRatio);
  const completionRatioValue = formatRatioValue(completionRatio);
  const cacheRatioValue = formatRatioValue(cacheRatio);
  const imageRatioValue = formatRatioValue(imageRatio);
  const inputRatioPrice = modelRatio * 2.0;
  const completionRatioPrice = modelRatio * 2.0 * completionRatioValue;
  const audioRatioValue =
      audioInputSeperatePrice && audioInputPrice > 0
          ? formatRatioValue(audioInputPrice / inputRatioPrice)
          : null;

  const textInputTokens = Math.max(
      inputTokens - cacheTokens - audioInputTokens,
      0,
  );
  const imageInputTokens =
      image && imageOutputTokens > 0 ? imageOutputTokens : 0;
  const cacheInputTokens = cacheTokens;

  const textInputAmount =
      (textInputTokens / 1000000) * inputRatioPrice * groupRatio;
  const cacheInputAmount =
      (cacheInputTokens / 1000000) *
      inputRatioPrice *
      cacheRatioValue *
      groupRatio;
  const imageInputAmount =
      (imageInputTokens / 1000000) *
      inputRatioPrice *
      imageRatioValue *
      groupRatio;
  const audioInputAmount =
      (audioInputTokens / 1000000) * audioInputPrice * groupRatio;
  const completionAmount =
      (completionTokens / 1000000) * completionRatioPrice * groupRatio;
  const webSearchAmount =
      (webSearchCallCount / 1000) * webSearchPrice * groupRatio;
  const fileSearchAmount =
      (fileSearchCallCount / 1000) * fileSearchPrice * groupRatio;
  const imageGenerationAmount = imageGenerationCallPrice * groupRatio;

  const totalAmount =
      textInputAmount +
      cacheInputAmount +
      imageInputAmount +
      audioInputAmount +
      completionAmount +
      webSearchAmount +
      fileSearchAmount +
      imageGenerationAmount;

  return renderBillingArticle([
    [
      buildBillingText('模型倍率 {{modelRatio}}', {
        modelRatio: modelRatioValue,
      }),
      buildBillingText('补全倍率 {{completionRatio}}', {
        completionRatio: completionRatioValue,
      }),
      cacheInputTokens > 0
          ? buildBillingText('缓存倍率 {{cacheRatio}}', {
            cacheRatio: cacheRatioValue,
          })
          : null,
      imageInputTokens > 0
          ? buildBillingText('图片倍率 {{imageRatio}}', {
            imageRatio: imageRatioValue,
          })
          : null,
      audioRatioValue !== null
          ? buildBillingText('音频倍率 {{audioRatio}}', {
            audioRatio: audioRatioValue,
          })
          : null,
      buildBillingText('{{ratioType}} {{ratio}}', {
        ratioType: ratioLabel,
        ratio: groupRatio,
      }),
    ]
        .filter(Boolean)
        .join('，'),
    textInputTokens > 0
        ? buildBillingText(
            '普通输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: textInputTokens,
              modelRatio: modelRatioValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(textInputAmount),
            },
        )
        : null,
    cacheInputTokens > 0
        ? buildBillingText(
            '缓存输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 缓存倍率 {{cacheRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: cacheInputTokens,
              modelRatio: modelRatioValue,
              cacheRatio: cacheRatioValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(cacheInputAmount),
            },
        )
        : null,
    imageInputTokens > 0
        ? buildBillingText(
            '图片输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 图片倍率 {{imageRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: imageInputTokens,
              modelRatio: modelRatioValue,
              imageRatio: imageRatioValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(imageInputAmount),
            },
        )
        : null,
    audioInputTokens > 0 && audioRatioValue !== null
        ? buildBillingText(
            '音频输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 音频倍率 {{audioRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: audioInputTokens,
              modelRatio: modelRatioValue,
              audioRatio: audioRatioValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(audioInputAmount),
            },
        )
        : null,
    buildBillingText(
        '输出：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 补全倍率 {{completionRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
        {
          tokens: completionTokens,
          modelRatio: modelRatioValue,
          completionRatio: completionRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
          amount: renderDisplayAmountFromUsd(completionAmount),
        },
    ),
    webSearch && webSearchCallCount > 0
        ? buildBillingText(
            'Web 搜索：{{count}} / 1K * 单价 {{price}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              count: webSearchCallCount,
              price: renderDisplayAmountFromUsd(webSearchPrice),
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(webSearchAmount),
            },
        )
        : null,
    fileSearch && fileSearchCallCount > 0
        ? buildBillingText(
            '文件搜索：{{count}} / 1K * 单价 {{price}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              count: fileSearchCallCount,
              price: renderDisplayAmountFromUsd(fileSearchPrice),
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(fileSearchAmount),
            },
        )
        : null,
    imageGenerationCall && imageGenerationCallPrice > 0
        ? buildBillingText(
            '图片生成：1 次 * 单价 {{price}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              price: renderDisplayAmountFromUsd(imageGenerationCallPrice),
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(imageGenerationAmount),
            },
        )
        : null,
    buildBillingText('合计：{{total}}', {
      total: renderDisplayAmountFromUsd(totalAmount),
    }),
  ]);
}

export function renderLogContent(opts) {
  const {
    model_ratio: modelRatio,
    completion_ratio: completionRatio,
    model_price: modelPrice = -1,
    group_ratio: groupRatio,
    user_group_ratio,
    cache_ratio: cacheRatio = 1.0,
    image = false,
    image_ratio: imageRatio = 1.0,
    web_search: webSearch = false,
    web_search_call_count: webSearchCallCount = 0,
    file_search: fileSearch = false,
    file_search_call_count: fileSearchCallCount = 0,
    displayMode = 'price',
  } = opts;
  const {
    ratio,
    label: ratioLabel,
    useUserGroupRatio: useUserGroupRatio,
  } = getEffectiveRatio(groupRatio, user_group_ratio);

  // 获取货币配置
  const { symbol, rate } = getCurrencyConfig();

  if (isPriceDisplayMode(displayMode, modelPrice)) {
    if (modelPrice !== -1) {
      return joinBillingSummary([
        i18next.t('模型价格 {{symbol}}{{price}} / 次', {
          symbol,
          price: (modelPrice * rate).toFixed(6),
        }),
        getGroupRatioText(groupRatio, user_group_ratio),
      ]);
    }

    const parts = [
      i18next.t('输入价格 {{symbol}}{{price}} / 1M tokens', {
        symbol,
        price: (modelRatio * 2.0 * rate).toFixed(6),
      }),
      i18next.t('输出价格 {{symbol}}{{price}} / 1M tokens', {
        symbol,
        price: (modelRatio * 2.0 * completionRatio * rate).toFixed(6),
      }),
    ];
    appendPricePart(
        parts,
        cacheRatio !== 1.0,
        '缓存读取价格 {{symbol}}{{price}} / 1M tokens',
        {
          symbol,
          price: (modelRatio * 2.0 * cacheRatio * rate).toFixed(6),
        },
    );
    appendPricePart(
        parts,
        image,
        '图片输入价格 {{symbol}}{{price}} / 1M tokens',
        {
          symbol,
          price: (modelRatio * 2.0 * imageRatio * rate).toFixed(6),
        },
    );
    appendPricePart(
        parts,
        webSearch,
        'Web 搜索调用 {{webSearchCallCount}} 次',
        {
          webSearchCallCount,
        },
    );
    appendPricePart(
        parts,
        fileSearch,
        '文件搜索调用 {{fileSearchCallCount}} 次',
        {
          fileSearchCallCount,
        },
    );
    parts.push(getGroupRatioText(groupRatio, user_group_ratio));
    return joinBillingSummary(parts);
  }

  if (modelPrice !== -1) {
    return i18next.t('模型价格 {{symbol}}{{price}}，{{ratioType}} {{ratio}}', {
      symbol: symbol,
      price: (modelPrice * rate).toFixed(6),
      ratioType: ratioLabel,
      ratio,
    });
  } else {
    if (image) {
      return i18next.t(
          '模型倍率 {{modelRatio}}，缓存倍率 {{cacheRatio}}，输出倍率 {{completionRatio}}，图片输入倍率 {{imageRatio}}，{{ratioType}} {{ratio}}',
          {
            modelRatio: modelRatio,
            cacheRatio: cacheRatio,
            completionRatio: completionRatio,
            imageRatio: imageRatio,
            ratioType: ratioLabel,
            ratio,
          },
      );
    } else if (webSearch) {
      return i18next.t(
          '模型倍率 {{modelRatio}}，缓存倍率 {{cacheRatio}}，输出倍率 {{completionRatio}}，{{ratioType}} {{ratio}}，Web 搜索调用 {{webSearchCallCount}} 次',
          {
            modelRatio: modelRatio,
            cacheRatio: cacheRatio,
            completionRatio: completionRatio,
            ratioType: ratioLabel,
            ratio,
            webSearchCallCount,
          },
      );
    } else {
      return i18next.t(
          '模型倍率 {{modelRatio}}，缓存倍率 {{cacheRatio}}，输出倍率 {{completionRatio}}，{{ratioType}} {{ratio}}',
          {
            modelRatio: modelRatio,
            cacheRatio: cacheRatio,
            completionRatio: completionRatio,
            ratioType: ratioLabel,
            ratio,
          },
      );
    }
  }
}

export function stripExprVersion(exprStr) {
  if (!exprStr) return { version: 1, body: '' };
  const m = exprStr.match(/^v(\d+):([\s\S]*)$/);
  if (m) return { version: Number(m[1]), body: m[2] };
  return { version: 1, body: exprStr };
}

function parseTierBody(bodyStr) {
  const coeffs = {};
  const re = new RegExp(BILLING_VAR_REGEX.source, 'g');
  let m;
  while ((m = re.exec(bodyStr)) !== null) {
    if (!(m[1] in coeffs)) coeffs[m[1]] = Number(m[2]);
  }
  const tier = {};
  for (const [varName, field] of Object.entries(BILLING_VAR_KEY_TO_FIELD)) {
    tier[field] = coeffs[varName] || 0;
  }
  return tier;
}

export function parseTiersFromExpr(exprStr) {
  if (!exprStr) return [];
  try {
    const { body } = stripExprVersion(exprStr);
    const condGroup = `((?:(?:p|c|len)\\s*(?:<|<=|>|>=)\\s*[\\d.eE+]+)(?:\\s*&&\\s*(?:p|c|len)\\s*(?:<|<=|>|>=)\\s*[\\d.eE+]+)*)`;
    const tierRe = new RegExp(`(?:${condGroup}\\s*\\?\\s*)?tier\\("([^"]*)",\\s*([^)]+)\\)`, 'g');
    const tiers = [];
    let m;
    while ((m = tierRe.exec(body)) !== null) {
      const condStr = m[1] || '';
      const conditions = [];
      if (condStr) {
        for (const cp of condStr.split(/\s*&&\s*/)) {
          const cm = cp.trim().match(/^(p|c|len)\s*(<|<=|>|>=)\s*([\d.eE+]+)$/);
          if (cm) conditions.push({ var: cm[1], op: cm[2], value: Number(cm[3]) });
        }
      }
      const tier = parseTierBody(m[3]);
      tier.label = m[2];
      tier.conditions = conditions;
      tiers.push(tier);
    }
    return tiers;
  } catch {
    return [];
  }
}

export const decodeFromBase64 = (base64) => {
  if (!base64) return '';

  const binaryString =
      typeof window !== 'undefined' ? window.atob(base64) : Buffer.from(base64, 'base64').toString('binary');
  const bytes = new Uint8Array(binaryString.length);

  for (let i = 0; i < binaryString.length; i++) {
    bytes[i] = binaryString.charCodeAt(i);
  }

  if (typeof TextDecoder !== 'undefined') {
    return new TextDecoder().decode(bytes);
  }

  return decodeURIComponent(
      Array.prototype.map
          .call(bytes, (byte) => '%' + byte.toString(16).padStart(2, '0'))
          .join(''),
  );
};

export const normalizeLabel = (label) => {
  if (!label) return '';
  return label
      .replace(/<[=＝]?|≤|＜[=＝]?/g, '<')
      .replace(/>[=＝]?|≥|＞[=＝]?/g, '>')
      .replace(/\s+/g, '')
      .toLowerCase();
};

export function renderTieredModelPrice(opts) {
  const {
    prompt_tokens: inputTokens = 0,
    completion_tokens: completionTokens = 0,
    expr_b64: exprB64,
    matched_tier: matchedTier,
    group_ratio: groupRatio,
    cache_tokens: cacheTokens = 0,
    cache_creation_tokens: cacheCreationTokens = 0,
    cache_creation_tokens_5m: cacheCreationTokens5m = 0,
    cache_creation_tokens_1h: cacheCreationTokens1h = 0,
  } = opts;
  let exprStr = '';
  try { exprStr = decodeFromBase64(exprB64); } catch { /* ignore */ }
  const tiers = parseTiersFromExpr(exprStr);
  if (tiers.length === 0) {
    return i18next.t('阶梯计费（表达式解析失败）');
  }

  const tier =
      tiers.find((t) => {
        const l1 = normalizeLabel(t.label);
        const l2 = normalizeLabel(matchedTier);
        return l1 === l2 && l1 !== '';
      });

  if (!tier) {
    return i18next.t('阶梯计费（未匹配到对应阶梯）');
  }
  const { symbol, rate } = getCurrencyConfig();
  const gr = groupRatio || 1;

  const hasAnyCacheTokens = cacheTokens > 0 || cacheCreationTokens > 0
      || cacheCreationTokens5m > 0 || cacheCreationTokens1h > 0;

  const priceLines = BILLING_PRICING_VARS
      .filter((v) => v.group !== 'cache' || hasAnyCacheTokens)
      .map((v) => [v.field, v.label]);

  const lines = [
    buildBillingText('命中档位：{{tier}}', { tier: matchedTier || tier.label }),
    ...priceLines
        .filter(([field]) => tier[field] > 0)
        .map(([field, label]) =>
            buildBillingPriceText(`${label}：{{symbol}}{{price}} / 1M tokens`, { symbol, usdAmount: tier[field], rate }),
        ),
  ];

  return renderBillingArticle(lines);
}

export function renderTieredModelPriceSimple(opts) {
  const {
    expr_b64: exprB64,
    matched_tier: matchedTier,
    group_ratio: groupRatio,
    user_group_ratio,
    cache_tokens: cacheTokens = 0,
    cache_creation_tokens_5m: cacheCreationTokens5m = 0,
    cache_creation_tokens_1h: cacheCreationTokens1h = 0,
    cache_creation_tokens: cacheCreationTokens = 0,
    displayMode = 'price',
    outputMode = 'segments',
  } = opts;
  let exprStr = '';
  try { exprStr = decodeFromBase64(exprB64); } catch { /* ignore */ }
  const tiers = parseTiersFromExpr(exprStr);
  const tier =
      tiers.find((t) => {
        const l1 = normalizeLabel(t.label);
        const l2 = normalizeLabel(matchedTier);
        return l1 === l2 && l1 !== '';
      });

  if (outputMode === 'segments') {
    const segments = [
      {
        tone: 'primary',
        text: getGroupRatioText(groupRatio, user_group_ratio),
      },
    ];

    if (!tier) {
      segments.push({
        tone: 'secondary',
        text: tiers.length === 0
            ? i18next.t('阶梯计费（表达式解析失败）')
            : i18next.t('阶梯计费（未匹配到对应阶梯）'),
      });
    } else if (isPriceDisplayMode(displayMode)) {
      const hasAnyCacheTokens = cacheTokens > 0 || cacheCreationTokens > 0
          || cacheCreationTokens5m > 0 || cacheCreationTokens1h > 0;
      const priceSegments = BILLING_PRICING_VARS
          .filter((v) => v.group !== 'cache' || hasAnyCacheTokens)
          .map((v) => [v.field, v.shortLabel]);
      for (const [field, label] of priceSegments) {
        if (tier[field] > 0) {
          segments.push({
            tone: 'secondary',
            text: i18next.t('{{label}} {{price}} / 1M tokens', {
              label: i18next.t(label),
              price: formatCompactDisplayPrice(tier[field]),
            }),
          });
        }
      }
    }

    return segments;
  }

  return [];
}

export function renderModelPriceSimple(opts) {
  const {
    model_ratio: modelRatio,
    model_price: modelPrice = -1,
    group_ratio: groupRatio,
    user_group_ratio,
    cache_tokens: cacheTokens = 0,
    cache_ratio: cacheRatio = 1.0,
    cache_creation_tokens: cacheCreationTokens = 0,
    cache_creation_ratio: cacheCreationRatio = 1.0,
    cache_creation_tokens_5m: cacheCreationTokens5m = 0,
    cache_creation_ratio_5m: cacheCreationRatio5m = 1.0,
    cache_creation_tokens_1h: cacheCreationTokens1h = 0,
    cache_creation_ratio_1h: cacheCreationRatio1h = 1.0,
    image = false,
    image_ratio: imageRatio = 1.0,
    is_system_prompt_overwritten: isSystemPromptOverride = false,
    provider = 'openai',
    displayMode = 'price',
    outputMode = 'text',
  } = opts;
  return renderPriceSimpleCore({
    modelRatio,
    modelPrice,
    groupRatio,
    user_group_ratio,
    cacheTokens,
    cacheRatio,
    cacheCreationTokens,
    cacheCreationRatio,
    cacheCreationTokens5m,
    cacheCreationRatio5m,
    cacheCreationTokens1h,
    cacheCreationRatio1h,
    image,
    imageRatio,
    isSystemPromptOverride,
    displayMode,
    outputMode,
  });
}

export function renderAudioModelPrice(opts) {
  const {
    prompt_tokens: inputTokens = 0,
    completion_tokens: completionTokens = 0,
    model_ratio: modelRatio = 0,
    model_price: modelPrice = -1,
    completion_ratio: _completionRatio,
    audio_input: audioInputTokens = 0,
    audio_output: audioCompletionTokens = 0,
    audio_ratio: _audioRatio,
    audio_completion_ratio: _audioCompletionRatio,
    group_ratio: _groupRatio,
    user_group_ratio,
    cache_tokens: cacheTokens = 0,
    cache_ratio: cacheRatio = 1.0,
    displayMode = 'price',
  } = opts;
  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(
      _groupRatio,
      user_group_ratio,
  );
  let groupRatio = effectiveGroupRatio;
  const completionRatio = _completionRatio ?? 0;
  const audioRatio = parseFloat(_audioRatio ?? 0).toFixed(6);
  const audioCompletionRatio = _audioCompletionRatio ?? 0;

  // 获取货币配置
  const { symbol, rate } = getCurrencyConfig();

  if (!shouldUseRatioBillingProcess(modelPrice)) {
    if (modelPrice !== -1) {
      return renderBillingArticle([
        buildBillingPriceText('模型价格：{{symbol}}{{price}} / 次', {
          symbol,
          usdAmount: modelPrice,
          rate,
        }),
        buildBillingPriceText(
            '模型价格 {{symbol}}{{price}} / 次 * {{ratioType}} {{ratio}} = {{symbol}}{{total}}',
            {
              symbol,
              usdAmount: modelPrice,
              rate,
              ratioType: ratioLabel,
              ratio: groupRatio,
              total: formatBillingDisplayPrice(modelPrice * groupRatio, rate),
            },
        ),
      ]);
    }

    const inputRatioPrice = modelRatio * 2.0;
    const completionRatioPrice = modelRatio * 2.0 * completionRatio;
    const textPrice =
        ((inputTokens - cacheTokens + cacheTokens * cacheRatio) / 1000000) *
        inputRatioPrice *
        groupRatio +
        (completionTokens / 1000000) * completionRatioPrice * groupRatio;
    const audioPrice =
        (audioInputTokens / 1000000) * inputRatioPrice * audioRatio * groupRatio +
        (audioCompletionTokens / 1000000) *
        inputRatioPrice *
        audioRatio *
        audioCompletionRatio *
        groupRatio;
    const totalPrice = textPrice + audioPrice;

    return renderBillingArticle([
      buildBillingPriceText('输入价格：{{symbol}}{{price}} / 1M tokens', {
        symbol,
        usdAmount: inputRatioPrice,
        rate,
      }),
      buildBillingPriceText('输出价格：{{symbol}}{{price}} / 1M tokens', {
        symbol,
        usdAmount: completionRatioPrice,
        rate,
      }),
      cacheTokens > 0
          ? buildBillingPriceText(
              '缓存读取价格：{{symbol}}{{price}} / 1M tokens',
              {
                symbol,
                usdAmount: inputRatioPrice * cacheRatio,
                rate,
              },
          )
          : null,
      buildBillingPriceText('音频输入价格：{{symbol}}{{price}} / 1M tokens', {
        symbol,
        usdAmount: inputRatioPrice * audioRatio,
        rate,
      }),
      buildBillingPriceText('音频补全价格：{{symbol}}{{price}} / 1M tokens', {
        symbol,
        usdAmount: inputRatioPrice * audioRatio * audioCompletionRatio,
        rate,
      }),
      buildBillingText(
          '文字提示 {{input}} tokens / 1M tokens * {{symbol}}{{textInputPrice}} + 文字补全 {{completion}} tokens / 1M tokens * {{symbol}}{{textCompPrice}} + 音频提示 {{audioInput}} tokens / 1M tokens * {{symbol}}{{audioInputPrice}} + 音频补全 {{audioCompletion}} tokens / 1M tokens * {{symbol}}{{audioCompPrice}} * {{ratioType}} {{ratio}} = {{symbol}}{{total}}',
          {
            input: inputTokens,
            completion: completionTokens,
            audioInput: audioInputTokens,
            audioCompletion: audioCompletionTokens,
            textInputPrice: formatBillingDisplayPrice(inputRatioPrice, rate),
            textCompPrice: formatBillingDisplayPrice(completionRatioPrice, rate),
            audioInputPrice: formatBillingDisplayPrice(
                audioRatio * inputRatioPrice,
                rate,
            ),
            audioCompPrice: formatBillingDisplayPrice(
                audioRatio * audioCompletionRatio * inputRatioPrice,
                rate,
            ),
            ratioType: ratioLabel,
            ratio: groupRatio,
            symbol,
            total: formatBillingDisplayPrice(totalPrice, rate),
          },
      ),
    ]);
  }

  // 1 ratio = $0.002 / 1K tokens
  if (modelPrice !== -1) {
    return i18next.t(
        '模型价格：{{symbol}}{{price}} * {{ratioType}}：{{ratio}} = {{symbol}}{{total}}',
        {
          symbol: symbol,
          price: (modelPrice * rate).toFixed(6),
          ratio: groupRatio,
          total: (modelPrice * groupRatio * rate).toFixed(6),
          ratioType: ratioLabel,
        },
    );
  }

  const modelRatioValue = formatRatioValue(modelRatio);
  const completionRatioValue = formatRatioValue(completionRatio);
  const cacheRatioValue = formatRatioValue(cacheRatio);
  const audioRatioValue = formatRatioValue(audioRatio);
  const audioCompletionRatioValue = formatRatioValue(audioCompletionRatio);

  const inputRatioPrice = modelRatio * 2.0;
  const completionRatioPrice = modelRatio * 2.0 * completionRatioValue;

  const effectiveInputTokens =
      inputTokens - cacheTokens + cacheTokens * cacheRatioValue;

  const textPrice =
      (effectiveInputTokens / 1000000) * inputRatioPrice * groupRatio +
      (completionTokens / 1000000) * completionRatioPrice * groupRatio;
  const audioPrice =
      (audioInputTokens / 1000000) *
      inputRatioPrice *
      audioRatioValue *
      groupRatio +
      (audioCompletionTokens / 1000000) *
      inputRatioPrice *
      audioRatioValue *
      audioCompletionRatioValue *
      groupRatio;
  const totalPrice = textPrice + audioPrice;

  return renderBillingArticle([
    buildBillingText(
        '模型倍率 {{modelRatio}}，补全倍率 {{completionRatio}}，音频倍率 {{audioRatio}}，音频补全倍率 {{audioCompletionRatio}}，{{cachePart}}{{ratioType}} {{ratio}}',
        {
          modelRatio: modelRatioValue,
          completionRatio: completionRatioValue,
          audioRatio: audioRatioValue,
          audioCompletionRatio: audioCompletionRatioValue,
          cachePart:
              cacheTokens > 0
                  ? `${i18next.t('缓存倍率')} ${cacheRatioValue}，`
                  : '',
          ratioType: ratioLabel,
          ratio: groupRatio,
        },
    ),
    buildBillingText(
        '普通输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
        {
          tokens: Math.max(inputTokens - cacheTokens, 0),
          modelRatio: modelRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
          amount: renderDisplayAmountFromUsd(
              (Math.max(inputTokens - cacheTokens, 0) / 1000000) *
              inputRatioPrice *
              groupRatio,
          ),
        },
    ),
    cacheTokens > 0
        ? buildBillingText(
            '缓存输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 缓存倍率 {{cacheRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: cacheTokens,
              modelRatio: modelRatioValue,
              cacheRatio: cacheRatioValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(
                  (cacheTokens / 1000000) *
                  inputRatioPrice *
                  cacheRatioValue *
                  groupRatio,
              ),
            },
        )
        : null,
    buildBillingText(
        '文字输出：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 补全倍率 {{completionRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
        {
          tokens: completionTokens,
          modelRatio: modelRatioValue,
          completionRatio: completionRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
          amount: renderDisplayAmountFromUsd(
              (completionTokens / 1000000) *
              inputRatioPrice *
              completionRatioValue *
              groupRatio,
          ),
        },
    ),
    buildBillingText(
        '音频输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 音频倍率 {{audioRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
        {
          tokens: audioInputTokens,
          modelRatio: modelRatioValue,
          audioRatio: audioRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
          amount: renderDisplayAmountFromUsd(
              (audioInputTokens / 1000000) *
              inputRatioPrice *
              audioRatioValue *
              groupRatio,
          ),
        },
    ),
    buildBillingText(
        '音频输出：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 音频倍率 {{audioRatio}} * 音频补全倍率 {{audioCompletionRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
        {
          tokens: audioCompletionTokens,
          modelRatio: modelRatioValue,
          audioRatio: audioRatioValue,
          audioCompletionRatio: audioCompletionRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
          amount: renderDisplayAmountFromUsd(
              (audioCompletionTokens / 1000000) *
              inputRatioPrice *
              audioRatioValue *
              audioCompletionRatioValue *
              groupRatio,
          ),
        },
    ),
    buildBillingText(
        '合计：文字部分 {{textTotal}} + 音频部分 {{audioTotal}} = {{total}}',
        {
          textTotal: renderDisplayAmountFromUsd(textPrice),
          audioTotal: renderDisplayAmountFromUsd(audioPrice),
          total: renderDisplayAmountFromUsd(totalPrice),
        },
    ),
  ]);
}

export function renderQuotaWithPrompt(quota, digits) {
  const quotaDisplayType = localStorage.getItem('quota_display_type') || 'USD';
  if (quotaDisplayType !== 'TOKENS') {
    return i18next.t('等价金额：') + renderQuota(quota, digits);
  }
  return '';
}

export function renderClaudeModelPrice(opts) {
  const {
    prompt_tokens: inputTokens = 0,
    completion_tokens: completionTokens = 0,
    model_ratio: modelRatio = 0,
    model_price: modelPrice = -1,
    completion_ratio: _completionRatio,
    group_ratio: _groupRatio,
    user_group_ratio,
    cache_tokens: cacheTokens = 0,
    cache_ratio: cacheRatio = 1.0,
    cache_creation_tokens: cacheCreationTokens = 0,
    cache_creation_ratio: cacheCreationRatio = 1.0,
    cache_creation_tokens_5m: cacheCreationTokens5m = 0,
    cache_creation_ratio_5m: cacheCreationRatio5m = 1.0,
    cache_creation_tokens_1h: cacheCreationTokens1h = 0,
    cache_creation_ratio_1h: cacheCreationRatio1h = 1.0,
    displayMode = 'price',
  } = opts;
  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(
      _groupRatio,
      user_group_ratio,
  );
  let groupRatio = effectiveGroupRatio;
  const completionRatio = _completionRatio ?? 0;

  // 获取货币配置
  const { symbol, rate } = getCurrencyConfig();

  if (!shouldUseRatioBillingProcess(modelPrice)) {
    if (modelPrice !== -1) {
      return renderBillingArticle([
        buildBillingPriceText('模型价格：{{symbol}}{{price}} / 次', {
          symbol,
          usdAmount: modelPrice,
          rate,
        }),
        buildBillingPriceText(
            '模型价格 {{symbol}}{{price}} / 次 * {{ratioType}} {{ratio}} = {{symbol}}{{total}}',
            {
              symbol,
              usdAmount: modelPrice,
              rate,
              ratioType: ratioLabel,
              ratio: groupRatio,
              total: formatBillingDisplayPrice(modelPrice * groupRatio, rate),
            },
        ),
      ]);
    }

    const inputRatioPrice = modelRatio * 2.0;
    const completionRatioPrice = modelRatio * 2.0 * completionRatio;
    const cacheRatioPrice = modelRatio * 2.0 * cacheRatio;
    const cacheCreationRatioPrice = modelRatio * 2.0 * cacheCreationRatio;
    const cacheCreationRatioPrice5m = modelRatio * 2.0 * cacheCreationRatio5m;
    const cacheCreationRatioPrice1h = modelRatio * 2.0 * cacheCreationRatio1h;
    const hasSplitCacheCreation =
        cacheCreationTokens5m > 0 || cacheCreationTokens1h > 0;
    const legacyCacheCreationTokens = hasSplitCacheCreation
        ? 0
        : cacheCreationTokens;
    const effectiveInputTokens =
        inputTokens +
        cacheTokens * cacheRatio +
        legacyCacheCreationTokens * cacheCreationRatio +
        cacheCreationTokens5m * cacheCreationRatio5m +
        cacheCreationTokens1h * cacheCreationRatio1h;
    const price =
        (effectiveInputTokens / 1000000) * inputRatioPrice * groupRatio +
        (completionTokens / 1000000) * completionRatioPrice * groupRatio;
    const inputUnitPrice = inputRatioPrice * rate;
    const completionUnitPrice = completionRatioPrice * rate;
    const cacheUnitPrice = cacheRatioPrice * rate;
    const cacheCreationUnitPrice = cacheCreationRatioPrice * rate;
    const cacheCreationUnitPrice5m = cacheCreationRatioPrice5m * rate;
    const cacheCreationUnitPrice1h = cacheCreationRatioPrice1h * rate;
    const cacheCreationUnitPriceTotal =
        cacheCreationUnitPrice5m + cacheCreationUnitPrice1h;
    const shouldShowCache = cacheTokens > 0;
    const shouldShowLegacyCacheCreation =
        !hasSplitCacheCreation && cacheCreationTokens > 0;
    const shouldShowCacheCreation5m =
        hasSplitCacheCreation && cacheCreationTokens5m > 0;
    const shouldShowCacheCreation1h =
        hasSplitCacheCreation && cacheCreationTokens1h > 0;

    const breakdownSegments = [
      i18next.t('提示 {{input}} tokens / 1M tokens * {{symbol}}{{price}}', {
        input: inputTokens,
        symbol,
        price: inputUnitPrice.toFixed(6),
      }),
    ];

    if (shouldShowCache) {
      breakdownSegments.push(
          i18next.t('缓存 {{tokens}} tokens / 1M tokens * {{symbol}}{{price}}', {
            tokens: cacheTokens,
            symbol,
            price: cacheUnitPrice.toFixed(6),
          }),
      );
    }

    if (shouldShowLegacyCacheCreation) {
      breakdownSegments.push(
          i18next.t(
              '缓存创建 {{tokens}} tokens / 1M tokens * {{symbol}}{{price}}',
              {
                tokens: cacheCreationTokens,
                symbol,
                price: cacheCreationUnitPrice.toFixed(6),
              },
          ),
      );
    }

    if (shouldShowCacheCreation5m) {
      breakdownSegments.push(
          i18next.t(
              '5m缓存创建 {{tokens}} tokens / 1M tokens * {{symbol}}{{price}}',
              {
                tokens: cacheCreationTokens5m,
                symbol,
                price: cacheCreationUnitPrice5m.toFixed(6),
              },
          ),
      );
    }

    if (shouldShowCacheCreation1h) {
      breakdownSegments.push(
          i18next.t(
              '1h缓存创建 {{tokens}} tokens / 1M tokens * {{symbol}}{{price}}',
              {
                tokens: cacheCreationTokens1h,
                symbol,
                price: cacheCreationUnitPrice1h.toFixed(6),
              },
          ),
      );
    }

    breakdownSegments.push(
        i18next.t(
            '补全 {{completion}} tokens / 1M tokens * {{symbol}}{{price}}',
            {
              completion: completionTokens,
              symbol,
              price: completionUnitPrice.toFixed(6),
            },
        ),
    );

    const breakdownText = breakdownSegments.join(' + ');

    return renderBillingArticle([
      buildBillingPriceText('输入价格：{{symbol}}{{price}} / 1M tokens', {
        symbol,
        usdAmount: inputRatioPrice,
        rate,
      }),
      buildBillingPriceText('输出价格：{{symbol}}{{price}} / 1M tokens', {
        symbol,
        usdAmount: completionRatioPrice,
        rate,
      }),
      cacheTokens > 0
          ? buildBillingPriceText(
              '缓存读取价格：{{symbol}}{{price}} / 1M tokens',
              {
                symbol,
                usdAmount: cacheRatioPrice,
                rate,
              },
          )
          : null,
      !hasSplitCacheCreation && cacheCreationTokens > 0
          ? buildBillingPriceText(
              '缓存创建价格：{{symbol}}{{price}} / 1M tokens',
              {
                symbol,
                usdAmount: cacheCreationRatioPrice,
                rate,
              },
          )
          : null,
      hasSplitCacheCreation && cacheCreationTokens5m > 0
          ? buildBillingPriceText(
              '5m缓存创建价格：{{symbol}}{{price}} / 1M tokens',
              {
                symbol,
                usdAmount: cacheCreationRatioPrice5m,
                rate,
              },
          )
          : null,
      hasSplitCacheCreation && cacheCreationTokens1h > 0
          ? buildBillingPriceText(
              '1h缓存创建价格：{{symbol}}{{price}} / 1M tokens',
              {
                symbol,
                usdAmount: cacheCreationRatioPrice1h,
                rate,
              },
          )
          : null,
      buildBillingText(
          '{{breakdown}} * {{ratioType}} {{ratio}} = {{symbol}}{{total}}',
          {
            breakdown: breakdownText,
            ratioType: ratioLabel,
            ratio: groupRatio,
            symbol,
            total: formatBillingDisplayPrice(price, rate),
          },
      ),
    ]);
  }

  if (modelPrice !== -1) {
    return i18next.t(
        '模型价格：{{symbol}}{{price}} * {{ratioType}}：{{ratio}} = {{symbol}}{{total}}',
        {
          symbol: symbol,
          price: (modelPrice * rate).toFixed(6),
          ratioType: ratioLabel,
          ratio: groupRatio,
          total: (modelPrice * groupRatio * rate).toFixed(6),
        },
    );
  }

  const modelRatioValue = formatRatioValue(modelRatio);
  const completionRatioValue = formatRatioValue(completionRatio);
  const cacheRatioValue = formatRatioValue(cacheRatio);
  const cacheCreationRatioValue = formatRatioValue(cacheCreationRatio);
  const cacheCreationRatio5mValue = formatRatioValue(cacheCreationRatio5m);
  const cacheCreationRatio1hValue = formatRatioValue(cacheCreationRatio1h);

  const inputRatioPrice = modelRatio * 2.0;
  const completionRatioPrice = modelRatio * 2.0 * completionRatioValue;

  const hasSplitCacheCreation =
      cacheCreationTokens5m > 0 || cacheCreationTokens1h > 0;
  const shouldShowCache = cacheTokens > 0;
  const shouldShowLegacyCacheCreation =
      !hasSplitCacheCreation && cacheCreationTokens > 0;
  const shouldShowCacheCreation5m =
      hasSplitCacheCreation && cacheCreationTokens5m > 0;
  const shouldShowCacheCreation1h =
      hasSplitCacheCreation && cacheCreationTokens1h > 0;

  const legacyCacheCreationTokens = hasSplitCacheCreation
      ? 0
      : cacheCreationTokens;
  const effectiveInputTokens =
      inputTokens +
      cacheTokens * cacheRatioValue +
      legacyCacheCreationTokens * cacheCreationRatioValue +
      cacheCreationTokens5m * cacheCreationRatio5mValue +
      cacheCreationTokens1h * cacheCreationRatio1hValue;

  const totalAmount =
      (effectiveInputTokens / 1000000) * inputRatioPrice * groupRatio +
      (completionTokens / 1000000) * completionRatioPrice * groupRatio;

  return renderBillingArticle([
    buildBillingText(
        '模型倍率 {{modelRatio}}，输出倍率 {{completionRatio}}，缓存倍率 {{cacheRatio}}，{{ratioType}} {{ratio}}',
        {
          modelRatio: modelRatioValue,
          completionRatio: completionRatioValue,
          cacheRatio: cacheRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
        },
    ),
    hasSplitCacheCreation
        ? buildBillingText(
            '缓存创建倍率 5m {{cacheCreationRatio5m}} / 1h {{cacheCreationRatio1h}}',
            {
              cacheCreationRatio5m: cacheCreationRatio5mValue,
              cacheCreationRatio1h: cacheCreationRatio1hValue,
            },
        )
        : buildBillingText('缓存创建倍率 {{cacheCreationRatio}}', {
          cacheCreationRatio: cacheCreationRatioValue,
        }),
    buildBillingText(
        '普通输入：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
        {
          tokens: inputTokens,
          modelRatio: modelRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
          amount: renderDisplayAmountFromUsd(
              (inputTokens / 1000000) * inputRatioPrice * groupRatio,
          ),
        },
    ),
    shouldShowCache
        ? buildBillingText(
            '缓存读取：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 缓存倍率 {{cacheRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: cacheTokens,
              modelRatio: modelRatioValue,
              cacheRatio: cacheRatioValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(
                  (cacheTokens / 1000000) *
                  inputRatioPrice *
                  cacheRatioValue *
                  groupRatio,
              ),
            },
        )
        : null,
    shouldShowLegacyCacheCreation
        ? buildBillingText(
            '缓存创建：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 缓存创建倍率 {{cacheCreationRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: cacheCreationTokens,
              modelRatio: modelRatioValue,
              cacheCreationRatio: cacheCreationRatioValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(
                  (cacheCreationTokens / 1000000) *
                  inputRatioPrice *
                  cacheCreationRatioValue *
                  groupRatio,
              ),
            },
        )
        : null,
    shouldShowCacheCreation5m
        ? buildBillingText(
            '5m缓存创建：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 5m缓存创建倍率 {{cacheCreationRatio5m}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: cacheCreationTokens5m,
              modelRatio: modelRatioValue,
              cacheCreationRatio5m: cacheCreationRatio5mValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(
                  (cacheCreationTokens5m / 1000000) *
                  inputRatioPrice *
                  cacheCreationRatio5mValue *
                  groupRatio,
              ),
            },
        )
        : null,
    shouldShowCacheCreation1h
        ? buildBillingText(
            '1h缓存创建：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 1h缓存创建倍率 {{cacheCreationRatio1h}} * {{ratioType}} {{ratio}} = {{amount}}',
            {
              tokens: cacheCreationTokens1h,
              modelRatio: modelRatioValue,
              cacheCreationRatio1h: cacheCreationRatio1hValue,
              ratioType: ratioLabel,
              ratio: groupRatio,
              amount: renderDisplayAmountFromUsd(
                  (cacheCreationTokens1h / 1000000) *
                  inputRatioPrice *
                  cacheCreationRatio1hValue *
                  groupRatio,
              ),
            },
        )
        : null,
    buildBillingText(
        '补全 {{completion}} tokens * 输出倍率 {{completionRatio}}',
        {
          completion: completionTokens,
          completionRatio: completionRatioValue,
        },
    ),
    buildBillingText(
        '输出：{{tokens}} / 1M * 模型倍率 {{modelRatio}} * 输出倍率 {{completionRatio}} * {{ratioType}} {{ratio}} = {{amount}}',
        {
          tokens: completionTokens,
          modelRatio: modelRatioValue,
          completionRatio: completionRatioValue,
          ratioType: ratioLabel,
          ratio: groupRatio,
          amount: renderDisplayAmountFromUsd(
              (completionTokens / 1000000) *
              inputRatioPrice *
              completionRatioValue *
              groupRatio,
          ),
        },
    ),
    buildBillingText('合计：{{total}}', {
      total: renderDisplayAmountFromUsd(totalAmount),
    }),
  ]);
}

export function renderClaudeLogContent(opts) {
  const {
    model_ratio: modelRatio,
    completion_ratio: completionRatio,
    model_price: modelPrice = -1,
    group_ratio: _groupRatio,
    user_group_ratio,
    cache_ratio: cacheRatio = 1.0,
    cache_creation_ratio: cacheCreationRatio = 1.0,
    cache_creation_tokens_5m: cacheCreationTokens5m = 0,
    cache_creation_ratio_5m: cacheCreationRatio5m = 1.0,
    cache_creation_tokens_1h: cacheCreationTokens1h = 0,
    cache_creation_ratio_1h: cacheCreationRatio1h = 1.0,
    displayMode = 'price',
  } = opts;
  const { ratio: effectiveGroupRatio, label: ratioLabel } = getEffectiveRatio(
      _groupRatio,
      user_group_ratio,
  );
  let groupRatio = effectiveGroupRatio;

  // 获取货币配置
  const { symbol, rate } = getCurrencyConfig();

  if (isPriceDisplayMode(displayMode, modelPrice)) {
    if (modelPrice !== -1) {
      return joinBillingSummary([
        i18next.t('模型价格 {{symbol}}{{price}} / 次', {
          symbol,
          price: (modelPrice * rate).toFixed(6),
        }),
        getGroupRatioText(groupRatio, user_group_ratio),
      ]);
    }

    const parts = [
      i18next.t('输入价格 {{symbol}}{{price}} / 1M tokens', {
        symbol,
        price: (modelRatio * 2.0 * rate).toFixed(6),
      }),
      i18next.t('输出价格 {{symbol}}{{price}} / 1M tokens', {
        symbol,
        price: (modelRatio * 2.0 * completionRatio * rate).toFixed(6),
      }),
      i18next.t('缓存读取价格 {{symbol}}{{price}} / 1M tokens', {
        symbol,
        price: (modelRatio * 2.0 * cacheRatio * rate).toFixed(6),
      }),
    ];
    const hasSplitCacheCreation =
        cacheCreationTokens5m > 0 || cacheCreationTokens1h > 0;
    appendPricePart(
        parts,
        hasSplitCacheCreation && cacheCreationTokens5m > 0,
        '5m缓存创建价格 {{symbol}}{{price}} / 1M tokens',
        {
          symbol,
          price: (modelRatio * 2.0 * cacheCreationRatio5m * rate).toFixed(6),
        },
    );
    appendPricePart(
        parts,
        hasSplitCacheCreation && cacheCreationTokens1h > 0,
        '1h缓存创建价格 {{symbol}}{{price}} / 1M tokens',
        {
          symbol,
          price: (modelRatio * 2.0 * cacheCreationRatio1h * rate).toFixed(6),
        },
    );
    appendPricePart(
        parts,
        !hasSplitCacheCreation,
        '缓存创建价格 {{symbol}}{{price}} / 1M tokens',
        {
          symbol,
          price: (modelRatio * 2.0 * cacheCreationRatio * rate).toFixed(6),
        },
    );
    parts.push(getGroupRatioText(groupRatio, user_group_ratio));
    return joinBillingSummary(parts);
  }

  if (modelPrice !== -1) {
    return i18next.t('模型价格 {{symbol}}{{price}}，{{ratioType}} {{ratio}}', {
      symbol: symbol,
      price: (modelPrice * rate).toFixed(6),
      ratioType: ratioLabel,
      ratio: groupRatio,
    });
  } else {
    const hasSplitCacheCreation =
        cacheCreationTokens5m > 0 || cacheCreationTokens1h > 0;
    const shouldShowCacheCreation5m =
        hasSplitCacheCreation && cacheCreationTokens5m > 0;
    const shouldShowCacheCreation1h =
        hasSplitCacheCreation && cacheCreationTokens1h > 0;

    let cacheCreationPart = null;
    if (hasSplitCacheCreation) {
      if (shouldShowCacheCreation5m && shouldShowCacheCreation1h) {
        cacheCreationPart = i18next.t(
            '缓存创建倍率 5m {{cacheCreationRatio5m}} / 1h {{cacheCreationRatio1h}}',
            {
              cacheCreationRatio5m,
              cacheCreationRatio1h,
            },
        );
      } else if (shouldShowCacheCreation5m) {
        cacheCreationPart = i18next.t(
            '缓存创建倍率 5m {{cacheCreationRatio5m}}',
            {
              cacheCreationRatio5m,
            },
        );
      } else if (shouldShowCacheCreation1h) {
        cacheCreationPart = i18next.t(
            '缓存创建倍率 1h {{cacheCreationRatio1h}}',
            {
              cacheCreationRatio1h,
            },
        );
      }
    }

    if (!cacheCreationPart) {
      cacheCreationPart = i18next.t('缓存创建倍率 {{cacheCreationRatio}}', {
        cacheCreationRatio,
      });
    }

    const parts = [
      i18next.t('模型倍率 {{modelRatio}}', { modelRatio }),
      i18next.t('输出倍率 {{completionRatio}}', { completionRatio }),
      i18next.t('缓存倍率 {{cacheRatio}}', { cacheRatio }),
      cacheCreationPart,
      i18next.t('{{ratioType}} {{ratio}}', {
        ratioType: ratioLabel,
        ratio: groupRatio,
      }),
    ];

    return parts.join('，');
  }
}

// 已统一至 renderModelPriceSimple，若仍有遗留引用，请改为传入 provider='claude'

/**
 * rehype 插件：将段落等文本节点拆分为逐词 <span>，并添加淡入动画 class。
 * 仅在流式渲染阶段使用，避免已渲染文字重复动画。
 */
export function rehypeSplitWordsIntoSpans(options = {}) {
  const { previousContentLength = 0 } = options;

  return (tree) => {
    let currentCharCount = 0; // 当前已处理的字符数

    visit(tree, 'element', (node) => {
      if (
          ['p', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'li', 'strong'].includes(
              node.tagName,
          ) &&
          node.children
      ) {
        const newChildren = [];
        node.children.forEach((child) => {
          if (child.type === 'text') {
            try {
              // 使用 Intl.Segmenter 精准拆分中英文及标点
              const segmenter = new Intl.Segmenter('zh', {
                granularity: 'word',
              });
              const segments = segmenter.segment(child.value);

              Array.from(segments)
                  .map((seg) => seg.segment)
                  .filter(Boolean)
                  .forEach((word) => {
                    const wordStartPos = currentCharCount;
                    const wordEndPos = currentCharCount + word.length;

                    // 判断这个词是否是新增的（在 previousContentLength 之后）
                    const isNewContent = wordStartPos >= previousContentLength;

                    newChildren.push({
                      type: 'element',
                      tagName: 'span',
                      properties: {
                        className: isNewContent ? ['animate-fade-in'] : [],
                      },
                      children: [{ type: 'text', value: word }],
                    });

                    currentCharCount = wordEndPos;
                  });
            } catch (_) {
              // Fallback：如果浏览器不支持 Segmenter
              const textStartPos = currentCharCount;
              const isNewContent = textStartPos >= previousContentLength;

              if (isNewContent) {
                // 新内容，添加动画
                newChildren.push({
                  type: 'element',
                  tagName: 'span',
                  properties: {
                    className: ['animate-fade-in'],
                  },
                  children: [{ type: 'text', value: child.value }],
                });
              } else {
                // 旧内容，不添加动画
                newChildren.push(child);
              }

              currentCharCount += child.value.length;
            }
          } else {
            newChildren.push(child);
          }
        });
        node.children = newChildren;
      }
    });
  };
}
