/*
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 React, { useEffect, useState, useRef } from 'react';
import { Button, Col, Form, Row, Spin } from '@douyinfe/semi-ui';
import {
  compareObjects,
  API,
  showError,
  showSuccess,
  showWarning,
  verifyJSON,
} from '../../../helpers';
import { useTranslation } from 'react-i18next';

export default function GroupRatioSettings(props) {
  const { t } = useTranslation();
  const [loading, setLoading] = useState(false);
  const [inputs, setInputs] = useState({
    GroupRatio: '',
    UserUsableGroups: '',
    GroupGroupRatio: '',
    AutoGroups: '',
    DefaultUseAutoGroup: false,
  });
  const refForm = useRef();
  const [inputsRow, setInputsRow] = useState(inputs);

  async function onSubmit() {
    try {
      await refForm.current
        .validate()
        .then(() => {
          const updateArray = compareObjects(inputs, inputsRow);
          if (!updateArray.length)
            return showWarning(t('你似乎并没有修改什么'));

          const requestQueue = updateArray.map((item) => {
            const value =
              typeof inputs[item.key] === 'boolean'
                ? String(inputs[item.key])
                : inputs[item.key];
            return API.put('/api/option/', { key: item.key, value });
          });

          setLoading(true);
          Promise.all(requestQueue)
            .then((res) => {
              if (res.includes(undefined)) {
                return showError(
                  requestQueue.length > 1
                    ? t('部分保存失败，请重试')
                    : t('保存失败'),
                );
              }

              for (let i = 0; i < res.length; i++) {
                if (!res[i].data.success) {
                  return showError(res[i].data.message);
                }
              }

              showSuccess(t('保存成功'));
              props.refresh();
            })
            .catch((error) => {
              console.error('Unexpected error:', error);
              showError(t('保存失败，请重试'));
            })
            .finally(() => {
              setLoading(false);
            });
        })
        .catch(() => {
          showError(t('请检查输入'));
        });
    } catch (error) {
      showError(t('请检查输入'));
      console.error(error);
    }
  }

  useEffect(() => {
    const currentInputs = {};
    for (let key in props.options) {
      if (Object.keys(inputs).includes(key)) {
        currentInputs[key] = props.options[key];
      }
    }
    setInputs(currentInputs);
    setInputsRow(structuredClone(currentInputs));
    refForm.current.setValues(currentInputs);
  }, [props.options]);

  return (
    <Spin spinning={loading}>
      <Form
        values={inputs}
        getFormApi={(formAPI) => (refForm.current = formAPI)}
        style={{ marginBottom: 15 }}
      >
        <Row gutter={16}>
          <Col xs={24} sm={16}>
            <Form.TextArea
              label={t('分组倍率')}
              placeholder={t('为一个 JSON 文本，键为分组名称，值为倍率')}
              extraText={t(
                '分组倍率设置，可以在此处新增分组或修改现有分组的倍率，格式为 JSON 字符串，例如：{"vip": 0.5, "test": 1}，表示 vip 分组的倍率为 0.5，test 分组的倍率为 1',
              )}
              field={'GroupRatio'}
              autosize={{ minRows: 6, maxRows: 12 }}
              trigger='blur'
              stopValidateWithError
              rules={[
                {
                  validator: (rule, value) => verifyJSON(value),
                  message: t('不是合法的 JSON 字符串'),
                },
              ]}
              onChange={(value) =>
                setInputs({ ...inputs, GroupRatio: value })
              }
            />
          </Col>
        </Row>
        <Row gutter={16}>
          <Col xs={24} sm={16}>
            <Form.TextArea
              label={t('用户可选分组')}
              placeholder={t('为一个 JSON 文本，键为分组名称，值为分组描述')}
              extraText={t(
                '用户新建令牌时可选的分组，格式为 JSON 字符串，例如：{"vip": "VIP 用户", "test": "测试"}，表示用户可以选择 vip 分组和 test 分组',
              )}
              field={'UserUsableGroups'}
              autosize={{ minRows: 6, maxRows: 12 }}
              trigger='blur'
              stopValidateWithError
              rules={[
                {
                  validator: (rule, value) => verifyJSON(value),
                  message: t('不是合法的 JSON 字符串'),
                },
              ]}
              onChange={(value) =>
                setInputs({ ...inputs, UserUsableGroups: value })
              }
            />
          </Col>
        </Row>
        <Row gutter={16}>
          <Col xs={24} sm={16}>
            <Form.TextArea
              label={t('分组特殊倍率')}
              placeholder={t('为一个 JSON 文本')}
              extraText={t(
                '键为分组名称，值为另一个 JSON 对象，键为分组名称，值为该分组的用户的特殊分组倍率，例如：{"vip": {"default": 0.5, "test": 1}}，表示 vip 分组的用户在使用default分组的令牌时倍率为0.5，使用test分组时倍率为1',
              )}
              field={'GroupGroupRatio'}
              autosize={{ minRows: 6, maxRows: 12 }}
              trigger='blur'
              stopValidateWithError
              rules={[
                {
                  validator: (rule, value) => verifyJSON(value),
                  message: t('不是合法的 JSON 字符串'),
                },
              ]}
              onChange={(value) =>
                setInputs({ ...inputs, GroupGroupRatio: value })
              }
            />
          </Col>
        </Row>
        <Row gutter={16}>
          <Col xs={24} sm={16}>
            <Form.TextArea
              label={t('自动分组auto，从第一个开始选择')}
              placeholder={t('为一个 JSON 文本')}
              field={'AutoGroups'}
              autosize={{ minRows: 6, maxRows: 12 }}
              trigger='blur'
              stopValidateWithError
              rules={[
                {
                  validator: (rule, value) => {
                    if (!value || value.trim() === '') {
                      return true; // Allow empty values
                    }

                    // First check if it's valid JSON
                    try {
                      const parsed = JSON.parse(value);

                      // Check if it's an array
                      if (!Array.isArray(parsed)) {
                        return false;
                      }

                      // Check if every element is a string
                      return parsed.every(item => typeof item === 'string');
                    } catch (error) {
                      return false;
                    }
                  },
                  message: t('必须是有效的 JSON 字符串数组，例如：["g1","g2"]'),
                },
              ]}
              onChange={(value) =>
                setInputs({ ...inputs, AutoGroups: value })
              }
            />
          </Col>
        </Row>
        <Row gutter={16}>
          <Col span={16}>
            <Form.Switch
              label={t(
                '创建令牌默认选择auto分组，初始令牌也将设为auto（否则留空，为用户默认分组）',
              )}
              field={'DefaultUseAutoGroup'}
              onChange={(value) =>
                setInputs({ ...inputs, DefaultUseAutoGroup: value })
              }
            />
          </Col>
        </Row>
      </Form>
      <Button onClick={onSubmit}>{t('保存分组倍率设置')}</Button>
    </Spin>
  );
}
