'use client'

import { useState } from 'react'
import Link from 'next/link'
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/Card'
import { Button } from '@/components/ui/Button'
import { SuccessTag, PendingTag, WarningTag, ErrorTag } from '@/components/ui/Tag'
import {
  FileText,
  Video,
  Search,
  Filter,
  Clock,
  User,
  Building,
  ChevronRight,
  AlertTriangle
} from 'lucide-react'
import { getPlatformInfo } from '@/lib/platforms'

// 模拟脚本待审列表
const mockScriptTasks = [
  {
    id: 'script-001',
    title: '夏日护肤推广脚本',
    creatorName: '小美护肤',
    agencyName: '星耀传媒',
    projectName: 'XX品牌618推广',
    platform: 'douyin',
    aiScore: 88,
    submittedAt: '2026-02-06 14:30',
    hasHighRisk: false,
    agencyApproved: true,
  },
  {
    id: 'script-002',
    title: '新品口红试色脚本',
    creatorName: '美妆Lisa',
    agencyName: '创意无限',
    projectName: 'XX品牌618推广',
    platform: 'xiaohongshu',
    aiScore: 72,
    submittedAt: '2026-02-06 12:15',
    hasHighRisk: true,
    agencyApproved: true,
  },
]

// 模拟视频待审列表
const mockVideoTasks = [
  {
    id: 'video-001',
    title: '夏日护肤推广',
    creatorName: '小美护肤',
    agencyName: '星耀传媒',
    projectName: 'XX品牌618推广',
    platform: 'douyin',
    aiScore: 85,
    duration: '02:15',
    submittedAt: '2026-02-06 15:00',
    hasHighRisk: false,
    agencyApproved: true,
  },
  {
    id: 'video-002',
    title: '新品口红试色',
    creatorName: '美妆Lisa',
    agencyName: '创意无限',
    projectName: 'XX品牌618推广',
    platform: 'xiaohongshu',
    aiScore: 68,
    duration: '03:42',
    submittedAt: '2026-02-06 13:45',
    hasHighRisk: true,
    agencyApproved: true,
  },
  {
    id: 'video-003',
    title: '健身器材开箱',
    creatorName: '健身教练王',
    agencyName: '美妆达人MCN',
    projectName: 'XX运动品牌',
    platform: 'bilibili',
    aiScore: 92,
    duration: '04:20',
    submittedAt: '2026-02-06 11:30',
    hasHighRisk: false,
    agencyApproved: true,
  },
]

function ScoreTag({ score }: { score: number }) {
  if (score >= 85) return <SuccessTag>{score}分</SuccessTag>
  if (score >= 70) return <WarningTag>{score}分</WarningTag>
  return <ErrorTag>{score}分</ErrorTag>
}

function TaskCard({ task, type }: { task: typeof mockScriptTasks[0] | typeof mockVideoTasks[0]; type: 'script' | 'video' }) {
  const href = type === 'script' ? `/brand/review/script/${task.id}` : `/brand/review/video/${task.id}`
  const platform = getPlatformInfo(task.platform)

  return (
    <Link href={href}>
      <div className="rounded-lg border border-border-subtle hover:border-accent-indigo/50 hover:bg-accent-indigo/5 transition-all cursor-pointer overflow-hidden">
        {/* 平台顶部条 */}
        {platform && (
          <div className={`px-4 py-1.5 ${platform.bgColor} border-b ${platform.borderColor} flex items-center gap-1.5`}>
            <span className="text-sm">{platform.icon}</span>
            <span className={`text-xs font-medium ${platform.textColor}`}>{platform.name}</span>
          </div>
        )}
        <div className="p-4">
          <div className="flex items-start justify-between mb-3">
            <div className="flex-1 min-w-0">
              <div className="flex items-center gap-2">
                <h4 className="font-medium text-text-primary truncate">{task.title}</h4>
                {task.hasHighRisk && (
                  <span className="flex items-center gap-1 px-2 py-0.5 text-xs bg-accent-coral/20 text-accent-coral rounded">
                    <AlertTriangle size={12} />
                    高风险
                  </span>
                )}
              </div>
              <div className="flex items-center gap-4 mt-1 text-sm text-text-secondary">
                <span className="flex items-center gap-1">
                  <User size={12} />
                  {task.creatorName}
                </span>
                <span className="flex items-center gap-1">
                  <Building size={12} />
                  {task.agencyName}
                </span>
              </div>
            </div>
            <ScoreTag score={task.aiScore} />
          </div>
          <div className="flex items-center justify-between text-xs text-text-tertiary">
            <span>{task.projectName}</span>
            <span className="flex items-center gap-1">
              <Clock size={12} />
              {task.submittedAt}
            </span>
          </div>
          {'duration' in task && (
            <div className="mt-2 text-xs text-text-tertiary">
              时长: {task.duration}
            </div>
          )}
        </div>
      </div>
    </Link>
  )
}

export default function BrandReviewListPage() {
  const [searchQuery, setSearchQuery] = useState('')
  const [activeTab, setActiveTab] = useState<'all' | 'script' | 'video'>('all')

  const filteredScripts = mockScriptTasks.filter(task =>
    task.title.toLowerCase().includes(searchQuery.toLowerCase()) ||
    task.creatorName.toLowerCase().includes(searchQuery.toLowerCase())
  )

  const filteredVideos = mockVideoTasks.filter(task =>
    task.title.toLowerCase().includes(searchQuery.toLowerCase()) ||
    task.creatorName.toLowerCase().includes(searchQuery.toLowerCase())
  )

  return (
    <div className="space-y-6">
      {/* 页面标题 */}
      <div className="flex items-center justify-between">
        <div>
          <h1 className="text-2xl font-bold text-text-primary">终审台</h1>
          <p className="text-sm text-text-secondary mt-1">审核代理商提交的脚本和视频</p>
        </div>
        <div className="flex items-center gap-2 text-sm">
          <span className="text-text-secondary">待审核：</span>
          <span className="px-2 py-1 bg-accent-indigo/20 text-accent-indigo rounded font-medium">
            {mockScriptTasks.length} 脚本
          </span>
          <span className="px-2 py-1 bg-purple-500/20 text-purple-400 rounded font-medium">
            {mockVideoTasks.length} 视频
          </span>
        </div>
      </div>

      {/* 搜索和筛选 */}
      <div className="flex items-center gap-4">
        <div className="relative flex-1 max-w-md">
          <Search size={18} className="absolute left-3 top-1/2 -translate-y-1/2 text-text-tertiary" />
          <input
            type="text"
            placeholder="搜索任务名称或达人..."
            value={searchQuery}
            onChange={(e) => setSearchQuery(e.target.value)}
            className="w-full pl-10 pr-4 py-2 border border-border-subtle rounded-lg bg-bg-elevated text-text-primary focus:outline-none focus:ring-2 focus:ring-accent-indigo"
          />
        </div>
        <div className="flex items-center gap-1 p-1 bg-bg-elevated rounded-lg">
          <button
            type="button"
            onClick={() => setActiveTab('all')}
            className={`px-4 py-2 rounded-md text-sm font-medium transition-colors ${
              activeTab === 'all' ? 'bg-bg-card text-text-primary shadow-sm' : 'text-text-secondary hover:text-text-primary'
            }`}
          >
            全部
          </button>
          <button
            type="button"
            onClick={() => setActiveTab('script')}
            className={`px-4 py-2 rounded-md text-sm font-medium transition-colors ${
              activeTab === 'script' ? 'bg-bg-card text-text-primary shadow-sm' : 'text-text-secondary hover:text-text-primary'
            }`}
          >
            脚本
          </button>
          <button
            type="button"
            onClick={() => setActiveTab('video')}
            className={`px-4 py-2 rounded-md text-sm font-medium transition-colors ${
              activeTab === 'video' ? 'bg-bg-card text-text-primary shadow-sm' : 'text-text-secondary hover:text-text-primary'
            }`}
          >
            视频
          </button>
        </div>
      </div>

      {/* 任务列表 */}
      <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
        {/* 脚本待审列表 */}
        {(activeTab === 'all' || activeTab === 'script') && (
          <Card>
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <FileText size={18} className="text-accent-indigo" />
                脚本终审
                <span className="ml-auto text-sm font-normal text-text-secondary">
                  {filteredScripts.length} 条待审
                </span>
              </CardTitle>
            </CardHeader>
            <CardContent className="space-y-3">
              {filteredScripts.length > 0 ? (
                filteredScripts.map((task) => (
                  <TaskCard key={task.id} task={task} type="script" />
                ))
              ) : (
                <div className="text-center py-8 text-text-tertiary">
                  <FileText size={32} className="mx-auto mb-2 opacity-50" />
                  <p>暂无待审脚本</p>
                </div>
              )}
            </CardContent>
          </Card>
        )}

        {/* 视频待审列表 */}
        {(activeTab === 'all' || activeTab === 'video') && (
          <Card>
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <Video size={18} className="text-purple-400" />
                视频终审
                <span className="ml-auto text-sm font-normal text-text-secondary">
                  {filteredVideos.length} 条待审
                </span>
              </CardTitle>
            </CardHeader>
            <CardContent className="space-y-3">
              {filteredVideos.length > 0 ? (
                filteredVideos.map((task) => (
                  <TaskCard key={task.id} task={task} type="video" />
                ))
              ) : (
                <div className="text-center py-8 text-text-tertiary">
                  <Video size={32} className="mx-auto mb-2 opacity-50" />
                  <p>暂无待审视频</p>
                </div>
              )}
            </CardContent>
          </Card>
        )}
      </div>
    </div>
  )
}