/*
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 from 'react';
import { Card, Tag, Tooltip, Checkbox, Empty, Pagination, Button, Avatar } from '@douyinfe/semi-ui';
import { IconHelpCircle, IconCopy } from '@douyinfe/semi-icons';
import { IllustrationNoResult, IllustrationNoResultDark } from '@douyinfe/semi-illustrations';
import { stringToColor, calculateModelPrice, formatPriceInfo, getLobeHubIcon } from '../../../../../helpers';
import PricingCardSkeleton from './PricingCardSkeleton';
import { useMinimumLoadingTime } from '../../../../../hooks/common/useMinimumLoadingTime';
import { renderLimitedItems } from '../../../../common/ui/RenderUtils';
import { useIsMobile } from '../../../../../hooks/common/useIsMobile';

const CARD_STYLES = {
  container: "w-12 h-12 rounded-2xl flex items-center justify-center relative shadow-md",
  icon: "w-8 h-8 flex items-center justify-center",
  selected: "border-blue-500 bg-blue-50",
  default: "border-gray-200 hover:border-gray-300"
};

const PricingCardView = ({
  filteredModels,
  loading,
  rowSelection,
  pageSize,
  setPageSize,
  currentPage,
  setCurrentPage,
  selectedGroup,
  groupRatio,
  copyText,
  setModalImageUrl,
  setIsModalOpenurl,
  currency,
  tokenUnit,
  displayPrice,
  showRatio,
  t,
  selectedRowKeys = [],
  setSelectedRowKeys,
  openModelDetail,
}) => {
  const showSkeleton = useMinimumLoadingTime(loading);
  const startIndex = (currentPage - 1) * pageSize;
  const paginatedModels = filteredModels.slice(startIndex, startIndex + pageSize);
  const getModelKey = (model) => model.key ?? model.model_name ?? model.id;
  const isMobile = useIsMobile();

  const handleCheckboxChange = (model, checked) => {
    if (!setSelectedRowKeys) return;
    const modelKey = getModelKey(model);
    const newKeys = checked
      ? Array.from(new Set([...selectedRowKeys, modelKey]))
      : selectedRowKeys.filter((key) => key !== modelKey);
    setSelectedRowKeys(newKeys);
    rowSelection?.onChange?.(newKeys, null);
  };

  // 获取模型图标
  const getModelIcon = (model) => {
    if (!model || !model.model_name) {
      return (
        <div className={CARD_STYLES.container}>
          <Avatar size='large'>?</Avatar>
        </div>
      );
    }
    // 1) 优先使用模型自定义图标
    if (model.icon) {
      return (
        <div className={CARD_STYLES.container}>
          <div className={CARD_STYLES.icon}>
            {getLobeHubIcon(model.icon, 32)}
          </div>
        </div>
      );
    }
    // 2) 退化为供应商图标
    if (model.vendor_icon) {
      return (
        <div className={CARD_STYLES.container}>
          <div className={CARD_STYLES.icon}>
            {getLobeHubIcon(model.vendor_icon, 32)}
          </div>
        </div>
      );
    }

    // 如果没有供应商图标，使用模型名称生成头像

    const avatarText = model.model_name.slice(0, 2).toUpperCase();
    return (
      <div className={CARD_STYLES.container}>
        <Avatar
          size="large"
          style={{
            width: 48,
            height: 48,
            borderRadius: 16,
            fontSize: 16,
            fontWeight: 'bold'
          }}
        >
          {avatarText}
        </Avatar>
      </div>
    );
  };

  // 获取模型描述
  const getModelDescription = (record) => {
    return record.description || '';
  };

  // 渲染价格信息
  const renderPriceInfo = (record) => {
    const priceData = calculateModelPrice({
      record,
      selectedGroup,
      groupRatio,
      tokenUnit,
      displayPrice,
      currency,
    });
    return formatPriceInfo(priceData, t);
  };

  // 渲染标签
  const renderTags = (record) => {
    // 计费类型标签（左边）
    let billingTag = (
      <Tag key="billing" shape='circle' color='white' size='small'>
        -
      </Tag>
    );
    if (record.quota_type === 1) {
      billingTag = (
        <Tag key="billing" shape='circle' color='teal' size='small'>
          {t('按次计费')}
        </Tag>
      );
    } else if (record.quota_type === 0) {
      billingTag = (
        <Tag key="billing" shape='circle' color='violet' size='small'>
          {t('按量计费')}
        </Tag>
      );
    }

    // 自定义标签（右边）
    const customTags = [];
    if (record.tags) {
      const tagArr = record.tags.split(',').filter(Boolean);
      tagArr.forEach((tg, idx) => {
        customTags.push(
          <Tag key={`custom-${idx}`} shape='circle' color={stringToColor(tg)} size='small'>
            {tg}
          </Tag>
        );
      });
    }

    return (
      <div className="flex items-center justify-between">
        <div className="flex items-center gap-2">
          {billingTag}
        </div>
        <div className="flex items-center gap-1">
          {customTags.length > 0 && renderLimitedItems({
            items: customTags.map((tag, idx) => ({ key: `custom-${idx}`, element: tag })),
            renderItem: (item, idx) => item.element,
            maxDisplay: 3
          })}
        </div>
      </div>
    );
  };

  // 显示骨架屏
  if (showSkeleton) {
    return (
      <PricingCardSkeleton
        rowSelection={!!rowSelection}
        showRatio={showRatio}
      />
    );
  }

  if (!filteredModels || filteredModels.length === 0) {
    return (
      <div className="flex justify-center items-center py-20">
        <Empty
          image={<IllustrationNoResult style={{ width: 150, height: 150 }} />}
          darkModeImage={<IllustrationNoResultDark style={{ width: 150, height: 150 }} />}
          description={t('搜索无结果')}
        />
      </div>
    );
  }

  return (
    <div className="px-4">
      <div className="grid grid-cols-1 xl:grid-cols-2 2xl:grid-cols-3 gap-4">
        {paginatedModels.map((model, index) => {
          const modelKey = getModelKey(model);
          const isSelected = selectedRowKeys.includes(modelKey);

          return (
            <Card
              key={modelKey || index}
              className={`!rounded-2xl transition-all duration-200 hover:shadow-lg border cursor-pointer ${isSelected ? CARD_STYLES.selected : CARD_STYLES.default}`}
              bodyStyle={{ height: '100%' }}
              onClick={() => openModelDetail && openModelDetail(model)}
            >
              <div className="flex flex-col h-full">
                {/* 头部：图标 + 模型名称 + 操作按钮 */}
                <div className="flex items-start justify-between mb-3">
                  <div className="flex items-start space-x-3 flex-1 min-w-0">
                    {getModelIcon(model)}
                    <div className="flex-1 min-w-0">
                      <h3 className="text-lg font-bold text-gray-900 truncate">
                        {model.model_name}
                      </h3>
                      <div className="flex items-center gap-3 text-xs mt-1">
                        {renderPriceInfo(model)}
                      </div>
                    </div>
                  </div>

                  <div className="flex items-center space-x-2 ml-3">
                    {/* 复制按钮 */}
                    <Button
                      size="small"
                      type="tertiary"
                      icon={<IconCopy />}
                      onClick={(e) => {
                        e.stopPropagation();
                        copyText(model.model_name);
                      }}
                    />

                    {/* 选择框 */}
                    {rowSelection && (
                      <Checkbox
                        checked={isSelected}
                        onChange={(e) => {
                          e.stopPropagation();
                          handleCheckboxChange(model, e.target.checked);
                        }}
                      />
                    )}
                  </div>
                </div>

                {/* 模型描述 - 占据剩余空间 */}
                <div className="flex-1 mb-4">
                  <p
                    className="text-xs line-clamp-2 leading-relaxed"
                    style={{ color: 'var(--semi-color-text-2)' }}
                  >
                    {getModelDescription(model)}
                  </p>
                </div>

                {/* 底部区域 */}
                <div className="mt-auto">
                  {/* 标签区域 */}
                  <div className="mb-3">
                    {renderTags(model)}
                  </div>

                  {/* 倍率信息（可选） */}
                  {showRatio && (
                    <div
                      className="pt-3 border-t border-dashed"
                      style={{ borderColor: 'var(--semi-color-border)' }}
                    >
                      <div className="flex items-center space-x-1 mb-2">
                        <span className="text-xs font-medium text-gray-700">{t('倍率信息')}</span>
                        <Tooltip content={t('倍率是为了方便换算不同价格的模型')}>
                          <IconHelpCircle
                            className="text-blue-500 cursor-pointer"
                            size="small"
                            onClick={(e) => {
                              e.stopPropagation();
                              setModalImageUrl('/ratio.png');
                              setIsModalOpenurl(true);
                            }}
                          />
                        </Tooltip>
                      </div>
                      <div className="grid grid-cols-3 gap-2 text-xs text-gray-600">
                        <div>
                          {t('模型')}: {model.quota_type === 0 ? model.model_ratio : t('无')}
                        </div>
                        <div>
                          {t('补全')}: {model.quota_type === 0 ? parseFloat(model.completion_ratio.toFixed(3)) : t('无')}
                        </div>
                        <div>
                          {t('分组')}: {priceData.usedGroupRatio}
                        </div>
                      </div>
                    </div>
                  )}
                </div>
              </div>
            </Card>
          );
        })}
      </div>

      {/* 分页 */}
      {filteredModels.length > 0 && (
        <div className="flex justify-center mt-6 py-4 border-t pricing-pagination-divider">
          <Pagination
            currentPage={currentPage}
            pageSize={pageSize}
            total={filteredModels.length}
            showSizeChanger={true}
            pageSizeOptions={[10, 20, 50, 100]}
            size={isMobile ? 'small' : 'default'}
            showQuickJumper={isMobile}
            onPageChange={(page) => setCurrentPage(page)}
            onPageSizeChange={(size) => {
              setPageSize(size);
              setCurrentPage(1);
            }}
          />
        </div>
      )}
    </div>
  );
};

export default PricingCardView;