/**
 * 评查点列表组件
 * 
 * 功能概述:
 * - 展示评查结果统计信息（总计、通过、警告、错误数量）
 * - 提供评查点过滤功能（按状态和搜索文本）
 * - 显示评查点详细信息（标题、状态、内容、建议修改等）
 * - 支持评查点操作（一键替换、人工审核等）
 * 
 * 组件结构:
 * - 统计区域: 显示评查点数量统计
 * - 搜索区域: 提供文本搜索功能
 * - 评查点列表: 展示所有评查点
 *   - 评查点卡片: 展示单个评查点详情
 *     - 评查点头部: 显示标题和状态
 *     - 评查点内容: 显示当前内容和问题
 *     - 建议修改区域: 显示建议的修改内容
 *     - 操作按钮: 提供一键替换和人工审核功能
 */
import { useState, useEffect } from 'react';

/**
 * 评查点类型定义
 * 用于展示单个评查结果
 */
export interface ReviewPoint {
  id: string;
  title: string;
  groupName: string;
  status: string;
  content: string | Record<string, string>;
  suggestion: string;
  needsHumanReview?: boolean;
  humanReviewNote?: string;
  humanReviewBy?: string;
  humanReviewTime?: string;
  position?: {
    section: string;
    index: number;
  };
  result?: boolean;
}

// 统计数据类型
interface Statistics {
  total: number;
  success: number;
  warning: number;
  error: number;
  score: number;
}

interface ReviewPointsListProps {
  reviewPoints: ReviewPoint[];
  statistics: Statistics;
  activeReviewPointId: string | null;
  onReviewPointSelect: (id: string) => void;
  onStatusChange: (id: string, status: string) => void;
}

export function ReviewPointsList({ 
  reviewPoints, 
  statistics,
  activeReviewPointId, 
  onReviewPointSelect,
  onStatusChange 
}: ReviewPointsListProps) {
  // 状态管理
  const [editingReviewPoint, setEditingReviewPoint] = useState<string | null>(null); // 当前正在编辑的评查点ID
  const [userInputText, setUserInputText] = useState(''); // 用户输入的审核意见文本
  const [searchText, setSearchText] = useState(''); // 搜索文本
  const [statusFilter, setStatusFilter] = useState<string | null>(null); // 状态过滤
  const [suggestionTexts, setSuggestionTexts] = useState<Record<string, string>>({}); // 存储每个评查点的建议文本
  
  // 初始化建议文本
  useEffect(() => {
    // 将所有评查点的建议文本存储到状态中
    const suggestions: Record<string, string> = {};
    reviewPoints.forEach(point => {
      suggestions[point.id] = point.suggestion || '';
    });
    setSuggestionTexts(suggestions);
  }, [reviewPoints]);

  // 处理建议文本变更
  const handleSuggestionChange = (reviewPointId: string, text: string) => {
    setSuggestionTexts(prev => ({
      ...prev,
      [reviewPointId]: text
    }));
  };
  
  /**
   * 过滤评查点
   * 根据搜索文本和状态过滤条件筛选评查点
   */
  const filteredReviewPoints = reviewPoints.filter(point => {
    // 匹配搜索文本
    const matchesSearch = searchText === '' || 
      point.title.toLowerCase().includes(searchText.toLowerCase()) ||
      point.groupName.toLowerCase().includes(searchText.toLowerCase()) ||
      (typeof point.content === 'string' && point.content.toLowerCase().includes(searchText.toLowerCase())) ||
      (typeof point.content === 'object' && point.content !== null && 
        Object.values(point.content).some(value => 
          typeof value === 'string' && value.toLowerCase().includes(searchText.toLowerCase())
        ));
    
    // 处理状态过滤
    let matchesStatus = false;
    
    if (statusFilter === null) {
      // 未选择过滤条件时显示所有
      matchesStatus = true;
    } else if (statusFilter === 'success') {
      // 过滤"通过"状态
      matchesStatus = point.result === true || (point.result === undefined && point.status === 'success');
    } else if (statusFilter === 'warning') {
      // 过滤"警告"状态
      matchesStatus = point.result === false && point.status === 'warning';
    } else if (statusFilter === 'error') {
      // 过滤"错误"状态
      matchesStatus = point.result === false && point.status === 'error';
    }
    
    return matchesSearch && matchesStatus;
  });
  
  /**
   * 处理一键替换操作
   * @param reviewPointId 评查点ID
   */
  const handleReplace = (reviewPointId: string) => {
    // 在实际应用中，这里应该调用API进行内容替换
    // 模拟替换操作
    alert(`将为评查点 ${reviewPointId} 执行一键替换操作`);
    
    // 更新评查点状态为成功
    onStatusChange(reviewPointId, 'success');
  };
  
  /**
   * 处理评查点审核操作
   * @param reviewPointId 评查点ID
   * @param action 操作类型: 'approve' 通过 / 'reject' 不通过
   */
  const handleReviewAction = (reviewPointId: string, action: 'approve' | 'reject') => {
    // 更新评查点状态
    onStatusChange(reviewPointId, action === 'approve' ? 'success' : 'error');
    
    // 清除编辑状态
    setEditingReviewPoint(null);
    setUserInputText('');
    
    alert(`${action === 'approve' ? '通过' : '不通过'}了评查点 ${reviewPointId}`);
  };
  
  /**
   * 显示评查点详情编辑界面
   * @param reviewPointId 评查点ID
   */
  const handleEditReviewPoint = (reviewPointId: string) => {
    setEditingReviewPoint(reviewPointId);
    
    // 获取评查点的建议内容作为初始值
    const reviewPoint = reviewPoints.find(point => point.id === reviewPointId);
    if (reviewPoint) {
      setUserInputText(reviewPoint.suggestion || '');
    }
  };
  
  /**
   * 渲染评查统计信息
   * 显示总计、通过、警告、错误数量
   */
  const renderStatistics = () => {
    // 确保传入的statistics存在，否则使用计算值
    const statsToUse = statistics || { 
      total: reviewPoints.length,
      success: 0,
      warning: 0,
      error: 0,
      score: 0
    };
    
    // 计算各个状态的评查点数量
    const successCount = reviewPoints.filter(
      point => point.result === true || (point.result === undefined && point.status === 'success')
    ).length;
    
    const warningCount = reviewPoints.filter(
      point => point.result === false && point.status === 'warning'
    ).length;
    
    const errorCount = reviewPoints.filter(
      point => point.result === false && point.status === 'error'
    ).length;
    
    // 如果没有计算值，则使用传入的统计值
    const totalToShow = statsToUse.total === 0 ? reviewPoints.length : statsToUse.total;
    const successToShow = successCount || statsToUse.success;
    const warningToShow = warningCount || statsToUse.warning;
    const errorToShow = errorCount || statsToUse.error;
    
    return (
      <div className="review-statistics bg-white border-b border-gray-100 py-3 px-4">
        <div className="flex justify-between items-center">
          {/* 总计数量 */}
          <div className="flex items-center">
            <div className="w-7 h-7 bg-gray-100 rounded-md flex items-center justify-center">
              <span className="text-sm font-semibold text-gray-600">{totalToShow}</span>
            </div>
            <span className="text-xs text-gray-500 ml-1">总计</span>
          </div>
          <div className="h-8 border-r border-gray-200"></div>
          {/* 通过数量 */}
          <div className="flex items-center">
            <button 
              className={`w-7 h-7 bg-green-50 rounded-md flex items-center justify-center cursor-pointer ${statusFilter === 'success' ? 'ring-2 ring-success' : ''}`}
              onClick={() => setStatusFilter(statusFilter === 'success' ? null : 'success')}
              aria-label={`过滤通过项 ${statusFilter === 'success' ? '(已选中)' : ''}`}
              type="button"
            >
              <span className="text-sm font-semibold text-success">{successToShow}</span>
            </button>
            <span className="text-xs text-gray-500 ml-1">通过</span>
          </div>
          <div className="h-8 border-r border-gray-200"></div>
          {/* 警告数量 */}
          <div className="flex items-center">
            <button 
              className={`w-7 h-7 bg-yellow-50 rounded-md flex items-center justify-center cursor-pointer ${statusFilter === 'warning' ? 'ring-2 ring-warning' : ''}`}
              onClick={() => setStatusFilter(statusFilter === 'warning' ? null : 'warning')}
              aria-label={`过滤警告项 ${statusFilter === 'warning' ? '(已选中)' : ''}`}
              type="button"
            >
              <span className="text-sm font-semibold text-warning">{warningToShow}</span>
            </button>
            <span className="text-xs text-gray-500 ml-1">警告</span>
          </div>
          <div className="h-8 border-r border-gray-200"></div>
          {/* 错误数量 */}
          <div className="flex items-center">
            <button 
              className={`w-7 h-7 bg-red-50 rounded-md flex items-center justify-center cursor-pointer ${statusFilter === 'error' ? 'ring-2 ring-error' : ''}`}
              onClick={() => setStatusFilter(statusFilter === 'error' ? null : 'error')}
              aria-label={`过滤错误项 ${statusFilter === 'error' ? '(已选中)' : ''}`}
              type="button"
            >
              <span className="text-sm font-semibold text-error">{errorToShow}</span>
            </button>
            <span className="text-xs text-gray-500 ml-1">错误</span>
          </div>
        </div>
      </div>
    );
  };
  
  /**
   * 渲染搜索框
   * 用于按文本搜索评查点
   */
  const renderSearchBar = () => {
    return (
      <div className="py-2 px-3 border-b border-gray-100">
        <div className="relative">
          <input
            type="text"
            className="w-full border border-gray-200 rounded-md pl-8 pr-2 py-1 text-xs focus:outline-none focus:ring-1 focus:ring-primary"
            placeholder="搜索评查点..."
            value={searchText}
            onChange={(e) => setSearchText(e.target.value)}
          />
          <i className="ri-search-line absolute left-2 top-0.5 text-gray-400"></i>
          {searchText && (
            <button 
              className="absolute right-2 top-1.5 text-gray-400 hover:text-gray-600"
              onClick={() => setSearchText('')}
            >
              <i className="ri-close-line"></i>
            </button>
          )}
        </div>
      </div>
    );
  };
  
  /**
   * 渲染评查点状态标签
   * @param status 状态文本
   * @param result 评查结果
   * @returns 状态标签组件
   */
  const renderStatusBadge = (status: string, result?: boolean) => {
    // 优先根据result判断是否通过
    if (result === true) {
      return (
        <span className="status-badge status-success">
          <i className="ri-checkbox-circle-line mr-1"></i>通过
        </span>
      );
    }
    
    // 当result为false时，根据status决定显示警告还是错误
    if (result === false) {
      if (status === 'warning') {
        return (
          <span className="status-badge status-warning">
            <i className="ri-alert-line mr-1"></i>警告
          </span>
        );
      } else if (status === 'error') {
        return (
          <span className="status-badge status-error">
            <i className="ri-close-circle-line mr-1"></i>不通过
          </span>
        );
      }
    }
    
    // 兼容旧版逻辑，当没有result时，仍按status判断
    switch (status) {
      case 'success':
        return (
          <span className="status-badge status-success">
            <i className="ri-checkbox-circle-line mr-1"></i>通过
          </span>
        );
      case 'warning':
        return (
          <span className="status-badge status-warning">
            <i className="ri-alert-line mr-1"></i>警告
          </span>
        );
      case 'error':
        return (
          <span className="status-badge status-error">
            <i className="ri-close-circle-line mr-1"></i>不通过
          </span>
        );
      case 'processing':
        return (
          <span className="status-badge status-processing">
            <i className="ri-time-line mr-1"></i>处理中
          </span>
        );
      default:
        return (
          <span className="status-badge status-warning">
            <i className="ri-alert-line mr-1"></i>警告
          </span>
        );
    }
  };
  
  /**
   * 渲染人工审核标记
   * @param reviewPoint 评查点
   * @returns 人工审核标记组件
   */
  const renderHumanReviewBadge = (reviewPoint: ReviewPoint) => {
    if (reviewPoint.needsHumanReview) {
      return (
        <span className="status-badge status-waiting ml-2">
          <i className="ri-user-line mr-1"></i>需人工
        </span>
      );
    }
    return null;
  };
  
  /**
   * 渲染人工审核注释
   * @param reviewPoint 评查点
   * @returns 人工审核注释组件
   */
  const renderHumanReviewNote = (reviewPoint: ReviewPoint) => {
    if (reviewPoint.needsHumanReview && reviewPoint.humanReviewNote) {
      return (
        <div className="human-review-note">
          <i className="ri-information-line mr-1"></i> {reviewPoint.humanReviewNote}
          {reviewPoint.humanReviewBy && reviewPoint.humanReviewTime && (
            <div className="text-right text-xs text-gray-500 mt-1">
              审核人：{reviewPoint.humanReviewBy} | 时间：{reviewPoint.humanReviewTime}
            </div>
          )}
        </div>
      );
    }
    return null;
  };
  
  /**
   * 渲染评查点内容与建议
   * @param reviewPoint 评查点
   * @returns 评查点内容组件
   */
  const renderReviewPointContent = (reviewPoint: ReviewPoint) => {
    // 如果当前评查点不处于编辑状态，只显示简单信息
    if (editingReviewPoint !== reviewPoint.id) {
      // 根据result和status决定渲染哪种样式
      if (reviewPoint.result === true || (reviewPoint.result === undefined && reviewPoint.status === 'success')) {
        // 已通过的评查点只显示基本信息和人工审核注释
        if (reviewPoint.needsHumanReview && reviewPoint.humanReviewNote) {
          return (
            <div className="mt-2">
              <div className="p-2 bg-green-50 rounded border border-green-200 text-xs">
                <p className="text-xs text-success"><i className="ri-check-line mr-1"></i>已处理</p>
                {reviewPoint.suggestion && (
                  <div className="border-t border-green-200 mt-1 pt-1">
                    <p className="text-xs text-gray-600">{reviewPoint.suggestion}</p>
                  </div>
                )}
              </div>
            </div>
          );
        }
        return null;
      }
      
      // 非通过状态，显示内容和修改建议
      const isErrorStatus = reviewPoint.result === false && reviewPoint.status === 'error';
      
      return (
        <div className="mt-2">
          {/* 内容显示区域 */}
          <div className="p-2 bg-white rounded border border-gray-200 text-xs mb-3">
            {/* 移除顶部的"当前值"标题，在每个内容项中显示 */}
            {typeof reviewPoint.content === 'object' && reviewPoint.content !== null ? (
              // 当 content 是对象时的渲染方式
              <div>
                {Object.entries(reviewPoint.content).map(([key, value], index) => (
                  <div key={index} className="mb-2 pb-2 border-b border-gray-100 last:border-b-0 last:mb-0 last:pb-0">
                    {/* 使用flex布局使key和状态标签左右对齐 */}
                    <div className="flex justify-between items-center mb-1">
                      <span className="text-xs">{key}</span>
                      <span className={`text-xs ${isErrorStatus ? 'text-error' : 'text-warning'}`}>
                        {isErrorStatus ? '不符合规范' : '需优化'}
                      </span>
                    </div>
                    <p className="text-xs text-left">{value || '（内容为空）'}</p>
                  </div>
                ))}
              </div>
            ) : (
              // 当 content 是字符串时的渲染方式
              <>
                {/* 为字符串内容也添加标题和状态 */}
                <div className="flex justify-between items-center mb-1">
                  <span className="text-xs">当前值</span>
                  <span className={`text-xs ${isErrorStatus ? 'text-error' : 'text-warning'}`}>
                    {isErrorStatus ? '不符合规范' : '需优化'}
                  </span>
                </div>
                <p className="text-xs text-left">{reviewPoint.content || '（内容为空）'}</p>
              </>
            )}
          </div>
          
          {/* 建议修改区域 */}
          <div className="mb-2">
            <div className="flex justify-between items-center mb-2">
              <span className="text-gray-700">建议修改为：</span>
              <span className="text-green-500">符合规范</span>
            </div>
            <textarea
              value={suggestionTexts[reviewPoint.id] || ''}
              onChange={(e) => handleSuggestionChange(reviewPoint.id, e.target.value)}
              className="w-full p-2 border rounded bg-gray-50 min-h-[100px] focus:outline-none focus:border-[#00684a] focus:shadow-[0_0_0_2px_rgba(0,104,74,0.2)]"
            />
          </div>
          
          {/* 操作按钮区域 */}
          <div className="flex space-x-2 mt-2">
            {/* 一键替换按钮 - 只有非人工审核的点或未通过的人工审核点才显示 */}
            {(!reviewPoint.needsHumanReview || (!reviewPoint.result && reviewPoint.status !== 'success')) && (
              <button 
                className="replace-action flex-1 justify-center"
                onClick={() => handleReplace(reviewPoint.id)}
              >
                <i className="ri-replace-line"></i> 一键替换
              </button>
            )}
            
            {/* 人工审核按钮 */}
            {reviewPoint.needsHumanReview && !reviewPoint.result && reviewPoint.status !== 'success' && (
              <button 
                className="replace-action flex-1 justify-center human-review-request"
                onClick={() => handleEditReviewPoint(reviewPoint.id)}
              >
                <i className="ri-edit-line"></i> 人工审核
              </button>
            )}
          </div>
        </div>
      );
    }
    
    // 处于编辑状态时显示编辑界面
    // 根据result和status决定显示不同的标记
    const isErrorStatus = reviewPoint.result === false && reviewPoint.status === 'error';

    return (
      <div className="mt-2">
        {/* 内容显示区域 */}
        <div className="p-2 bg-white rounded border border-gray-200 text-xs mb-3">
          {/* 隐藏顶部的"当前值"标题，在每个内容项中显示 */}
          {typeof reviewPoint.content === 'object' && reviewPoint.content !== null ? (
            // 当 content 是对象时的渲染方式
            <div>
              {Object.entries(reviewPoint.content).map(([key, value], index) => (
                <div key={index} className="mb-2 pb-2 border-b border-gray-100 last:border-b-0 last:mb-0 last:pb-0">
                  {/* 使用flex布局使key和状态标签左右对齐 */}
                  <div className="flex justify-between items-center mb-1">
                    <span className="text-xs">{key}</span>
                    <span className={`text-xs ${isErrorStatus ? 'text-error' : 'text-warning'}`}>
                      {isErrorStatus ? '不符合规范' : '需优化'}
                    </span>
                  </div>
                  <p className="text-xs text-left">{value || '（内容为空）'}</p>
                </div>
              ))}
            </div>
          ) : (
            // 当 content 是字符串时的渲染方式
            <>
              {/* 为字符串内容也添加标题和状态 */}
              <div className="flex justify-between items-center mb-1">
                <span className="text-xs">当前值</span>
                <span className={`text-xs ${isErrorStatus ? 'text-error' : 'text-warning'}`}>
                  {isErrorStatus ? '不符合规范' : '需优化'}
                </span>
              </div>
              <p className="text-xs">{reviewPoint.content || '（内容为空）'}</p>
            </>
          )}
        </div>
        
        {/* 建议修改区域 */}
        <div className="mb-2">
          <div className="flex justify-between items-center mb-2">
            <span className="text-gray-700">建议修改为：</span>
            <span className="text-green-500">符合规范</span>
          </div>
          <textarea
            value={suggestionTexts[reviewPoint.id] || ''}
            onChange={(e) => handleSuggestionChange(reviewPoint.id, e.target.value)}
            className="w-full p-2 border rounded bg-gray-50 min-h-[100px] focus:outline-none focus:border-[#00684a] focus:shadow-[0_0_0_2px_rgba(0,104,74,0.2)]"
          />
        </div>
        
        {/* 审核意见区域 */}
        <div className="bg-gray-50 rounded border border-gray-200 p-2">
          <label htmlFor="reviewNote" className="block text-xs text-gray-700 mb-1">审核意见</label>
          <textarea 
            id="reviewNote"
            className="w-full border border-gray-200 rounded-md text-xs p-2 mb-2"
            placeholder="请输入审核意见（可选）..."
            rows={2}
            value={userInputText}
            onChange={(e) => setUserInputText(e.target.value)}
          ></textarea>
          <div className="flex justify-end mt-2 space-x-2">
            <button 
              className="replace-action"
              onClick={() => handleReviewAction(reviewPoint.id, 'approve')}
            >
              <i className="ri-check-line"></i> 通过
            </button>
            <button 
              className="replace-action status-error"
              onClick={() => handleReviewAction(reviewPoint.id, 'reject')}
            >
              <i className="ri-close-line"></i> 不通过
            </button>
          </div>
        </div>
      </div>
    );
  };
  
  /**
   * 渲染无匹配结果提示
   * 当过滤后没有评查点时显示
   */
  const renderEmptyState = () => {
    return (
      <div className="flex flex-col items-center justify-center py-8 px-4 text-center text-gray-500">
        <i className="ri-search-line text-3xl mb-2"></i>
        <p className="text-sm mb-1">没有找到匹配的评查点</p>
        <p className="text-xs">请尝试不同的搜索词或清除筛选条件</p>
        {(searchText || statusFilter) && (
          <button 
            className="mt-3 text-xs text-primary underline"
            onClick={() => {
              setSearchText('');
              setStatusFilter(null);
            }}
          >
            清除所有筛选
          </button>
        )}
      </div>
    );
  };
  
  // 组件主渲染函数
  return (
    <div className="review-points-panel">
      {/* 面板头部 */}
      <div className="review-panel-header py-2 px-4 flex items-center">
        <i className="ri-file-list-check-line text-primary mr-2"></i>
        <span className="font-medium text-primary">评查结果</span>
      </div>
      
      {/* 评查统计 */}
      {renderStatistics()}
      
      {/* 搜索框 */}
      {renderSearchBar()}
      
      {/* 评查点列表 */}
      <div className="review-points-list">
        {filteredReviewPoints.length > 0 ? (
          filteredReviewPoints.map(reviewPoint => (
            <button 
              key={reviewPoint.id}
              className={`review-point-item ${activeReviewPointId === reviewPoint.id ? 'active' : ''}`}
              onClick={() => onReviewPointSelect(reviewPoint.id)}
              type="button"
            >
              {/* 评查点标题和状态 */}
              <div className="review-point-header flex justify-between items-start">
                <div className="review-point-title flex-1 text-left">{reviewPoint.title}</div>
                <div className="flex items-center ml-2 flex-shrink-0">
                  {renderStatusBadge(reviewPoint.status, reviewPoint.result)}
                  {renderHumanReviewBadge(reviewPoint)}
                </div>
              </div>
              
              {/* 评查点所属分组 */}
              <div className="review-point-location">
                <i className="ri-file-list-line mr-1"></i>
                <span>{reviewPoint.groupName}</span>
              </div>
              
              {/* 人工审核注释 */}
              {renderHumanReviewNote(reviewPoint)}
              
              {/* 评查点内容和操作 */}
              {renderReviewPointContent(reviewPoint)}
            </button>
          ))
        ) : (
          renderEmptyState()
        )}
      </div>
    </div>
  );
}