import { useState, useEffect } from 'react';
import { useTranslation } from 'react-i18next';
import { Modal } from '@douyinfe/semi-ui';
import {
  API,
  getTodayStartTimestamp,
  isAdmin,
  showError,
  showSuccess,
  timestamp2string,
  renderQuota,
  renderNumber,
  getLogOther,
  copy,
  renderClaudeLogContent,
  renderLogContent,
  renderAudioModelPrice,
  renderClaudeModelPrice,
  renderModelPrice
} from '../../helpers';
import { ITEMS_PER_PAGE } from '../../constants';
import { useTableCompactMode } from '../common/useTableCompactMode';

export const useLogsData = () => {
  const { t } = useTranslation();

  // Define column keys for selection
  const COLUMN_KEYS = {
    TIME: 'time',
    CHANNEL: 'channel',
    USERNAME: 'username',
    TOKEN: 'token',
    GROUP: 'group',
    TYPE: 'type',
    MODEL: 'model',
    USE_TIME: 'use_time',
    PROMPT: 'prompt',
    COMPLETION: 'completion',
    COST: 'cost',
    RETRY: 'retry',
    IP: 'ip',
    DETAILS: 'details',
  };

  // Basic state
  const [logs, setLogs] = useState([]);
  const [expandData, setExpandData] = useState({});
  const [showStat, setShowStat] = useState(false);
  const [loading, setLoading] = useState(false);
  const [loadingStat, setLoadingStat] = useState(false);
  const [activePage, setActivePage] = useState(1);
  const [logCount, setLogCount] = useState(ITEMS_PER_PAGE);
  const [pageSize, setPageSize] = useState(ITEMS_PER_PAGE);
  const [logType, setLogType] = useState(0);

  // User and admin
  const isAdminUser = isAdmin();

  // Statistics state
  const [stat, setStat] = useState({
    quota: 0,
    token: 0,
  });

  // Form state
  const [formApi, setFormApi] = useState(null);
  let now = new Date();
  const formInitValues = {
    username: '',
    token_name: '',
    model_name: '',
    channel: '',
    group: '',
    dateRange: [
      timestamp2string(getTodayStartTimestamp()),
      timestamp2string(now.getTime() / 1000 + 3600),
    ],
    logType: '0',
  };

  // Column visibility state
  const [visibleColumns, setVisibleColumns] = useState({});
  const [showColumnSelector, setShowColumnSelector] = useState(false);

  // Compact mode
  const [compactMode, setCompactMode] = useTableCompactMode('logs');

  // User info modal state
  const [showUserInfo, setShowUserInfoModal] = useState(false);
  const [userInfoData, setUserInfoData] = useState(null);

  // Load saved column preferences from localStorage
  useEffect(() => {
    const savedColumns = localStorage.getItem('logs-table-columns');
    if (savedColumns) {
      try {
        const parsed = JSON.parse(savedColumns);
        const defaults = getDefaultColumnVisibility();
        const merged = { ...defaults, ...parsed };
        setVisibleColumns(merged);
      } catch (e) {
        console.error('Failed to parse saved column preferences', e);
        initDefaultColumns();
      }
    } else {
      initDefaultColumns();
    }
  }, []);

  // Get default column visibility based on user role
  const getDefaultColumnVisibility = () => {
    return {
      [COLUMN_KEYS.TIME]: true,
      [COLUMN_KEYS.CHANNEL]: isAdminUser,
      [COLUMN_KEYS.USERNAME]: isAdminUser,
      [COLUMN_KEYS.TOKEN]: true,
      [COLUMN_KEYS.GROUP]: true,
      [COLUMN_KEYS.TYPE]: true,
      [COLUMN_KEYS.MODEL]: true,
      [COLUMN_KEYS.USE_TIME]: true,
      [COLUMN_KEYS.PROMPT]: true,
      [COLUMN_KEYS.COMPLETION]: true,
      [COLUMN_KEYS.COST]: true,
      [COLUMN_KEYS.RETRY]: isAdminUser,
      [COLUMN_KEYS.IP]: true,
      [COLUMN_KEYS.DETAILS]: true,
    };
  };

  // Initialize default column visibility
  const initDefaultColumns = () => {
    const defaults = getDefaultColumnVisibility();
    setVisibleColumns(defaults);
    localStorage.setItem('logs-table-columns', JSON.stringify(defaults));
  };

  // Handle column visibility change
  const handleColumnVisibilityChange = (columnKey, checked) => {
    const updatedColumns = { ...visibleColumns, [columnKey]: checked };
    setVisibleColumns(updatedColumns);
  };

  // Handle "Select All" checkbox
  const handleSelectAll = (checked) => {
    const allKeys = Object.keys(COLUMN_KEYS).map((key) => COLUMN_KEYS[key]);
    const updatedColumns = {};

    allKeys.forEach((key) => {
      if (
        (key === COLUMN_KEYS.CHANNEL ||
          key === COLUMN_KEYS.USERNAME ||
          key === COLUMN_KEYS.RETRY) &&
        !isAdminUser
      ) {
        updatedColumns[key] = false;
      } else {
        updatedColumns[key] = checked;
      }
    });

    setVisibleColumns(updatedColumns);
  };

  // Update table when column visibility changes
  useEffect(() => {
    if (Object.keys(visibleColumns).length > 0) {
      localStorage.setItem(
        'logs-table-columns',
        JSON.stringify(visibleColumns),
      );
    }
  }, [visibleColumns]);

  // 获取表单值的辅助函数，确保所有值都是字符串
  const getFormValues = () => {
    const formValues = formApi ? formApi.getValues() : {};

    let start_timestamp = timestamp2string(getTodayStartTimestamp());
    let end_timestamp = timestamp2string(now.getTime() / 1000 + 3600);

    if (
      formValues.dateRange &&
      Array.isArray(formValues.dateRange) &&
      formValues.dateRange.length === 2
    ) {
      start_timestamp = formValues.dateRange[0];
      end_timestamp = formValues.dateRange[1];
    }

    return {
      username: formValues.username || '',
      token_name: formValues.token_name || '',
      model_name: formValues.model_name || '',
      start_timestamp,
      end_timestamp,
      channel: formValues.channel || '',
      group: formValues.group || '',
      logType: formValues.logType ? parseInt(formValues.logType) : 0,
    };
  };

  // Statistics functions
  const getLogSelfStat = async () => {
    const {
      token_name,
      model_name,
      start_timestamp,
      end_timestamp,
      group,
      logType: formLogType,
    } = getFormValues();
    const currentLogType = formLogType !== undefined ? formLogType : logType;
    let localStartTimestamp = Date.parse(start_timestamp) / 1000;
    let localEndTimestamp = Date.parse(end_timestamp) / 1000;
    let url = `/api/log/self/stat?type=${currentLogType}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}&group=${group}`;
    url = encodeURI(url);
    let res = await API.get(url);
    const { success, message, data } = res.data;
    if (success) {
      setStat(data);
    } else {
      showError(message);
    }
  };

  const getLogStat = async () => {
    const {
      username,
      token_name,
      model_name,
      start_timestamp,
      end_timestamp,
      channel,
      group,
      logType: formLogType,
    } = getFormValues();
    const currentLogType = formLogType !== undefined ? formLogType : logType;
    let localStartTimestamp = Date.parse(start_timestamp) / 1000;
    let localEndTimestamp = Date.parse(end_timestamp) / 1000;
    let url = `/api/log/stat?type=${currentLogType}&username=${username}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}&channel=${channel}&group=${group}`;
    url = encodeURI(url);
    let res = await API.get(url);
    const { success, message, data } = res.data;
    if (success) {
      setStat(data);
    } else {
      showError(message);
    }
  };

  const handleEyeClick = async () => {
    if (loadingStat) {
      return;
    }
    setLoadingStat(true);
    if (isAdminUser) {
      await getLogStat();
    } else {
      await getLogSelfStat();
    }
    setShowStat(true);
    setLoadingStat(false);
  };

  // User info function
  const showUserInfoFunc = async (userId) => {
    if (!isAdminUser) {
      return;
    }
    const res = await API.get(`/api/user/${userId}`);
    const { success, message, data } = res.data;
    if (success) {
      setUserInfoData(data);
      setShowUserInfoModal(true);
    } else {
      showError(message);
    }
  };

  // Format logs data
  const setLogsFormat = (logs) => {
    let expandDatesLocal = {};
    for (let i = 0; i < logs.length; i++) {
      logs[i].timestamp2string = timestamp2string(logs[i].created_at);
      logs[i].key = logs[i].id;
      let other = getLogOther(logs[i].other);
      let expandDataLocal = [];

      if (isAdminUser && (logs[i].type === 0 || logs[i].type === 2)) {
        expandDataLocal.push({
          key: t('渠道信息'),
          value: `${logs[i].channel} - ${logs[i].channel_name || '[未知]'}`,
        });
      }
      if (other?.ws || other?.audio) {
        expandDataLocal.push({
          key: t('语音输入'),
          value: other.audio_input,
        });
        expandDataLocal.push({
          key: t('语音输出'),
          value: other.audio_output,
        });
        expandDataLocal.push({
          key: t('文字输入'),
          value: other.text_input,
        });
        expandDataLocal.push({
          key: t('文字输出'),
          value: other.text_output,
        });
      }
      if (other?.cache_tokens > 0) {
        expandDataLocal.push({
          key: t('缓存 Tokens'),
          value: other.cache_tokens,
        });
      }
      if (other?.cache_creation_tokens > 0) {
        expandDataLocal.push({
          key: t('缓存创建 Tokens'),
          value: other.cache_creation_tokens,
        });
      }
      if (logs[i].type === 2) {
        expandDataLocal.push({
          key: t('日志详情'),
          value: other?.claude
            ? renderClaudeLogContent(
              other?.model_ratio,
              other.completion_ratio,
              other.model_price,
              other.group_ratio,
              other?.user_group_ratio,
              other.cache_ratio || 1.0,
              other.cache_creation_ratio || 1.0,
            )
            : renderLogContent(
              other?.model_ratio,
              other.completion_ratio,
              other.model_price,
              other.group_ratio,
              other?.user_group_ratio,
              false,
              1.0,
              other.web_search || false,
              other.web_search_call_count || 0,
              other.file_search || false,
              other.file_search_call_count || 0,
            ),
        });
      }
      if (logs[i].type === 2) {
        let modelMapped =
          other?.is_model_mapped &&
          other?.upstream_model_name &&
          other?.upstream_model_name !== '';
        if (modelMapped) {
          expandDataLocal.push({
            key: t('请求并计费模型'),
            value: logs[i].model_name,
          });
          expandDataLocal.push({
            key: t('实际模型'),
            value: other.upstream_model_name,
          });
        }
        let content = '';
        if (other?.ws || other?.audio) {
          content = renderAudioModelPrice(
            other?.text_input,
            other?.text_output,
            other?.model_ratio,
            other?.model_price,
            other?.completion_ratio,
            other?.audio_input,
            other?.audio_output,
            other?.audio_ratio,
            other?.audio_completion_ratio,
            other?.group_ratio,
            other?.user_group_ratio,
            other?.cache_tokens || 0,
            other?.cache_ratio || 1.0,
          );
        } else if (other?.claude) {
          content = renderClaudeModelPrice(
            logs[i].prompt_tokens,
            logs[i].completion_tokens,
            other.model_ratio,
            other.model_price,
            other.completion_ratio,
            other.group_ratio,
            other?.user_group_ratio,
            other.cache_tokens || 0,
            other.cache_ratio || 1.0,
            other.cache_creation_tokens || 0,
            other.cache_creation_ratio || 1.0,
          );
        } else {
          content = renderModelPrice(
            logs[i].prompt_tokens,
            logs[i].completion_tokens,
            other?.model_ratio,
            other?.model_price,
            other?.completion_ratio,
            other?.group_ratio,
            other?.user_group_ratio,
            other?.cache_tokens || 0,
            other?.cache_ratio || 1.0,
            other?.image || false,
            other?.image_ratio || 0,
            other?.image_output || 0,
            other?.web_search || false,
            other?.web_search_call_count || 0,
            other?.web_search_price || 0,
            other?.file_search || false,
            other?.file_search_call_count || 0,
            other?.file_search_price || 0,
            other?.audio_input_seperate_price || false,
            other?.audio_input_token_count || 0,
            other?.audio_input_price || 0,
          );
        }
        expandDataLocal.push({
          key: t('计费过程'),
          value: content,
        });
        if (other?.reasoning_effort) {
          expandDataLocal.push({
            key: t('Reasoning Effort'),
            value: other.reasoning_effort,
          });
        }
      }
      expandDatesLocal[logs[i].key] = expandDataLocal;
    }

    setExpandData(expandDatesLocal);
    setLogs(logs);
  };

  // Load logs function
  const loadLogs = async (startIdx, pageSize, customLogType = null) => {
    setLoading(true);

    let url = '';
    const {
      username,
      token_name,
      model_name,
      start_timestamp,
      end_timestamp,
      channel,
      group,
      logType: formLogType,
    } = getFormValues();

    const currentLogType =
      customLogType !== null
        ? customLogType
        : formLogType !== undefined
          ? formLogType
          : logType;

    let localStartTimestamp = Date.parse(start_timestamp) / 1000;
    let localEndTimestamp = Date.parse(end_timestamp) / 1000;
    if (isAdminUser) {
      url = `/api/log/?p=${startIdx}&page_size=${pageSize}&type=${currentLogType}&username=${username}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}&channel=${channel}&group=${group}`;
    } else {
      url = `/api/log/self/?p=${startIdx}&page_size=${pageSize}&type=${currentLogType}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}&group=${group}`;
    }
    url = encodeURI(url);
    const res = await API.get(url);
    const { success, message, data } = res.data;
    if (success) {
      const newPageData = data.items;
      setActivePage(data.page);
      setPageSize(data.page_size);
      setLogCount(data.total);

      setLogsFormat(newPageData);
    } else {
      showError(message);
    }
    setLoading(false);
  };

  // Page handlers
  const handlePageChange = (page) => {
    setActivePage(page);
    loadLogs(page, pageSize).then((r) => { });
  };

  const handlePageSizeChange = async (size) => {
    localStorage.setItem('page-size', size + '');
    setPageSize(size);
    setActivePage(1);
    loadLogs(activePage, size)
      .then()
      .catch((reason) => {
        showError(reason);
      });
  };

  // Refresh function
  const refresh = async () => {
    setActivePage(1);
    handleEyeClick();
    await loadLogs(1, pageSize);
  };

  // Copy text function
  const copyText = async (e, text) => {
    e.stopPropagation();
    if (await copy(text)) {
      showSuccess('已复制：' + text);
    } else {
      Modal.error({ title: t('无法复制到剪贴板，请手动复制'), content: text });
    }
  };

  // Initialize data
  useEffect(() => {
    const localPageSize =
      parseInt(localStorage.getItem('page-size')) || ITEMS_PER_PAGE;
    setPageSize(localPageSize);
    loadLogs(activePage, localPageSize)
      .then()
      .catch((reason) => {
        showError(reason);
      });
  }, []);

  // Initialize statistics when formApi is available
  useEffect(() => {
    if (formApi) {
      handleEyeClick();
    }
  }, [formApi]);

  // Check if any record has expandable content
  const hasExpandableRows = () => {
    return logs.some(
      (log) => expandData[log.key] && expandData[log.key].length > 0,
    );
  };

  return {
    // Basic state
    logs,
    expandData,
    showStat,
    loading,
    loadingStat,
    activePage,
    logCount,
    pageSize,
    logType,
    stat,
    isAdminUser,

    // Form state
    formApi,
    setFormApi,
    formInitValues,
    getFormValues,

    // Column visibility
    visibleColumns,
    showColumnSelector,
    setShowColumnSelector,
    handleColumnVisibilityChange,
    handleSelectAll,
    initDefaultColumns,
    COLUMN_KEYS,

    // Compact mode
    compactMode,
    setCompactMode,

    // User info modal
    showUserInfo,
    setShowUserInfoModal,
    userInfoData,
    showUserInfoFunc,

    // Functions
    loadLogs,
    handlePageChange,
    handlePageSizeChange,
    refresh,
    copyText,
    handleEyeClick,
    setLogsFormat,
    hasExpandableRows,
    setLogType,

    // Translation
    t,
  };
}; 