/**
 * 评查点列表组件
 * 显示评查结果统计和所有评查点列表
 */
import { useState } from 'react';

// 评查点类型定义
interface ReviewPoint {
  id: string;
  title: string;
  location: string;
  status: string;
  content: string;
  suggestion: string;
  needsHumanReview?: boolean;
  humanReviewNote?: string;
  humanReviewBy?: string;
  humanReviewTime?: string;
  position?: {
    section: string;
    index: number;
  };
}

// 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) {
  const [editingReviewPoint, setEditingReviewPoint] = useState<string | null>(null);
  const [userInputText, setUserInputText] = useState('');
  const [searchText, setSearchText] = useState('');
  const [statusFilter, setStatusFilter] = useState<string | null>(null);
  
  // 过滤评查点
  const filteredReviewPoints = reviewPoints.filter(point => {
    const matchesSearch = searchText === '' || 
      point.title.toLowerCase().includes(searchText.toLowerCase()) ||
      point.location.toLowerCase().includes(searchText.toLowerCase()) ||
      point.content.toLowerCase().includes(searchText.toLowerCase());
    
    const matchesStatus = statusFilter === null || point.status === statusFilter;
    
    return matchesSearch && matchesStatus;
  });
  
  // 处理点击"一键替换"按钮
  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
  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
  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
  const renderStatistics = () => {
    return (
      <div className="review-statistics bg-white border-b border-gray-100 py-3 px-4">
        <div className="flex justify-between items-center">
          <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">{statistics.total}</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>
          <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">{statistics.success}</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>
          <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">{statistics.warning}</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>
          <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">{statistics.error}</span>
            </button>
            <span className="text-xs text-gray-500 ml-1">错误</span>
          </div>
        </div>
      </div>
    );
  };
  
  // 渲染搜索框
  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
  const renderStatusBadge = (status: string) => {
    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
  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
  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
  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) {
      if (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;
      }
      
      return (
        <div className="mt-2">
          <div className="p-2 bg-white rounded border border-gray-200 text-xs">
            <div className="flex justify-between items-center mb-1">
              <span className="text-xs">当前值</span>
              <span className={`text-xs ${reviewPoint.status === 'error' ? 'text-error' : 'text-warning'}`}>
                {reviewPoint.status === 'error' ? '不符合规范' : '需优化'}
              </span>
            </div>
            <p className="text-xs text-left">{reviewPoint.content || '（内容为空）'}</p>
            
            {reviewPoint.suggestion && (
              <div className="mt-2 pt-2 border-t border-gray-100">
                <div className="flex justify-between items-center mb-1">
                  <span className="text-xs">建议修改为</span>
                  <span className='text-xs text-green-500'>
                    符合规范
                  </span>
                </div>
                <textarea 
                  className="text-xs w-full border border-gray-200 rounded p-2" 
                  rows={4}
                  value={reviewPoint.suggestion}
                  onChange={(e) => setUserInputText(e.target.value)}
                />
              </div>
            )}
          </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.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.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
    return (
      <div className="mt-2">
        <div className="p-2 bg-white rounded border border-gray-200 text-xs mb-2">
          <div className="flex justify-between items-center mb-1">
            <span className="text-xs">当前值</span>
            <span className={`text-xs ${reviewPoint.status === 'error' ? 'text-error' : 'text-warning'}`}>
              {reviewPoint.status === 'error' ? '不符合规范' : '需优化'}
            </span>
          </div>
          <p className="text-xs">{reviewPoint.content || '（内容为空）'}</p>
          
          {reviewPoint.suggestion && (
            <div className="mt-2 pt-2 border-t border-gray-100">
              <div className="flex justify-between items-center mb-1">
                <span className="text-xs text-primary">建议修改为</span>
              </div>
              <p className="text-xs">{reviewPoint.suggestion}</p>
            </div>
          )}
        </div>
        
        <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
  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>
    );
  };
  
  return (
    <div className="review-points-panel">
      <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"
            >
              <div className="review-point-header">
                <div className="review-point-title">{reviewPoint.title}</div>
                <div className="flex items-center">
                  {renderStatusBadge(reviewPoint.status)}
                  {renderHumanReviewBadge(reviewPoint)}
                </div>
              </div>
              <div className="review-point-location">
                <i className="ri-file-list-line mr-1"></i>
                <span>{reviewPoint.location}</span>
              </div>
              
              {/* 人工审核注释 */}
              {renderHumanReviewNote(reviewPoint)}
              
              {/* 评查点内容和操作 */}
              {renderReviewPointContent(reviewPoint)}
            </button>
          ))
        ) : (
          renderEmptyState()
        )}
      </div>
    </div>
  );
}