'use client'

import { useState } from 'react'
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/Card'
import { Button } from '@/components/ui/Button'
import { Modal } from '@/components/ui/Modal'
import { SuccessTag, PendingTag, WarningTag } from '@/components/ui/Tag'
import {
  Search,
  Plus,
  Users,
  TrendingUp,
  TrendingDown,
  Mail,
  Copy,
  CheckCircle,
  Clock,
  MoreVertical
} from 'lucide-react'

// 模拟代理商列表
const mockAgencies = [
  {
    id: 'agency-001',
    name: '星耀传媒',
    email: 'contact@xingyao.com',
    status: 'active',
    creatorCount: 50,
    projectCount: 8,
    passRate: 92,
    trend: 'up',
    joinedAt: '2025-06-15',
  },
  {
    id: 'agency-002',
    name: '创意无限',
    email: 'hello@chuangyi.com',
    status: 'active',
    creatorCount: 35,
    projectCount: 5,
    passRate: 88,
    trend: 'up',
    joinedAt: '2025-08-20',
  },
  {
    id: 'agency-003',
    name: '美妆达人MCN',
    email: 'biz@meizhuang.com',
    status: 'active',
    creatorCount: 28,
    projectCount: 4,
    passRate: 75,
    trend: 'down',
    joinedAt: '2025-10-10',
  },
  {
    id: 'agency-004',
    name: '时尚风向标',
    email: 'info@shishang.com',
    status: 'pending',
    creatorCount: 0,
    projectCount: 0,
    passRate: 0,
    trend: 'stable',
    joinedAt: '2026-02-01',
  },
]

function StatusTag({ status }: { status: string }) {
  if (status === 'active') return <SuccessTag>已激活</SuccessTag>
  if (status === 'pending') return <PendingTag>待接受</PendingTag>
  return <WarningTag>已暂停</WarningTag>
}

export default function AgenciesManagePage() {
  const [searchQuery, setSearchQuery] = useState('')
  const [showInviteModal, setShowInviteModal] = useState(false)
  const [inviteEmail, setInviteEmail] = useState('')
  const [inviteLink, setInviteLink] = useState('')

  const filteredAgencies = mockAgencies.filter(agency =>
    agency.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
    agency.email.toLowerCase().includes(searchQuery.toLowerCase())
  )

  const handleInvite = () => {
    if (!inviteEmail.trim()) {
      alert('请输入代理商邮箱')
      return
    }
    // 模拟生成邀请链接
    const link = `https://miaosi.app/invite/agency/${Date.now()}`
    setInviteLink(link)
  }

  const handleCopyLink = () => {
    navigator.clipboard.writeText(inviteLink)
    alert('链接已复制')
  }

  const handleSendInvite = () => {
    alert(`邀请已发送至 ${inviteEmail}`)
    setShowInviteModal(false)
    setInviteEmail('')
    setInviteLink('')
  }

  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">代理商管理</h1>
          <p className="text-sm text-text-secondary mt-1">管理合作代理商，查看代理商绩效数据</p>
        </div>
        <Button onClick={() => setShowInviteModal(true)}>
          <Plus size={16} />
          邀请代理商
        </Button>
      </div>

      {/* 统计卡片 */}
      <div className="grid grid-cols-1 md:grid-cols-4 gap-4">
        <Card>
          <CardContent className="py-4">
            <div className="flex items-center justify-between">
              <div>
                <p className="text-sm text-text-secondary">总代理商</p>
                <p className="text-2xl font-bold text-text-primary">{mockAgencies.length}</p>
              </div>
              <div className="w-10 h-10 rounded-lg bg-accent-indigo/20 flex items-center justify-center">
                <Users size={20} className="text-accent-indigo" />
              </div>
            </div>
          </CardContent>
        </Card>
        <Card>
          <CardContent className="py-4">
            <div className="flex items-center justify-between">
              <div>
                <p className="text-sm text-text-secondary">已激活</p>
                <p className="text-2xl font-bold text-accent-green">{mockAgencies.filter(a => a.status === 'active').length}</p>
              </div>
              <div className="w-10 h-10 rounded-lg bg-accent-green/20 flex items-center justify-center">
                <CheckCircle size={20} className="text-accent-green" />
              </div>
            </div>
          </CardContent>
        </Card>
        <Card>
          <CardContent className="py-4">
            <div className="flex items-center justify-between">
              <div>
                <p className="text-sm text-text-secondary">待接受</p>
                <p className="text-2xl font-bold text-yellow-400">{mockAgencies.filter(a => a.status === 'pending').length}</p>
              </div>
              <div className="w-10 h-10 rounded-lg bg-yellow-500/20 flex items-center justify-center">
                <Clock size={20} className="text-yellow-400" />
              </div>
            </div>
          </CardContent>
        </Card>
        <Card>
          <CardContent className="py-4">
            <div className="flex items-center justify-between">
              <div>
                <p className="text-sm text-text-secondary">平均通过率</p>
                <p className="text-2xl font-bold text-text-primary">
                  {Math.round(mockAgencies.filter(a => a.status === 'active').reduce((sum, a) => sum + a.passRate, 0) / mockAgencies.filter(a => a.status === 'active').length)}%
                </p>
              </div>
              <div className="w-10 h-10 rounded-lg bg-purple-500/20 flex items-center justify-center">
                <TrendingUp size={20} className="text-purple-400" />
              </div>
            </div>
          </CardContent>
        </Card>
      </div>

      {/* 搜索 */}
      <div className="relative max-w-md">
        <Search size={18} className="absolute left-3 top-1/2 -translate-y-1/2 text-text-tertiary" />
        <input
          type="text"
          placeholder="搜索代理商名称或邮箱..."
          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>

      {/* 代理商列表 */}
      <Card>
        <CardContent className="p-0">
          <table className="w-full">
            <thead>
              <tr className="border-b border-border-subtle text-left text-sm text-text-secondary bg-bg-elevated">
                <th className="px-6 py-4 font-medium">代理商</th>
                <th className="px-6 py-4 font-medium">状态</th>
                <th className="px-6 py-4 font-medium">达人数</th>
                <th className="px-6 py-4 font-medium">项目数</th>
                <th className="px-6 py-4 font-medium">通过率</th>
                <th className="px-6 py-4 font-medium">加入时间</th>
                <th className="px-6 py-4 font-medium">操作</th>
              </tr>
            </thead>
            <tbody>
              {filteredAgencies.map((agency) => (
                <tr key={agency.id} className="border-b border-border-subtle last:border-0 hover:bg-bg-elevated/50">
                  <td className="px-6 py-4">
                    <div>
                      <div className="font-medium text-text-primary">{agency.name}</div>
                      <div className="text-sm text-text-tertiary">{agency.email}</div>
                    </div>
                  </td>
                  <td className="px-6 py-4">
                    <StatusTag status={agency.status} />
                  </td>
                  <td className="px-6 py-4 text-text-primary">{agency.creatorCount}</td>
                  <td className="px-6 py-4 text-text-primary">{agency.projectCount}</td>
                  <td className="px-6 py-4">
                    {agency.status === 'active' ? (
                      <div className="flex items-center gap-2">
                        <span className={`font-medium ${agency.passRate >= 90 ? 'text-accent-green' : agency.passRate >= 80 ? 'text-accent-indigo' : 'text-orange-400'}`}>
                          {agency.passRate}%
                        </span>
                        {agency.trend === 'up' && <TrendingUp size={14} className="text-accent-green" />}
                        {agency.trend === 'down' && <TrendingDown size={14} className="text-accent-coral" />}
                      </div>
                    ) : (
                      <span className="text-text-tertiary">-</span>
                    )}
                  </td>
                  <td className="px-6 py-4 text-sm text-text-tertiary">{agency.joinedAt}</td>
                  <td className="px-6 py-4">
                    <Button variant="ghost" size="sm">
                      <MoreVertical size={16} />
                    </Button>
                  </td>
                </tr>
              ))}
            </tbody>
          </table>
        </CardContent>
      </Card>

      {/* 邀请代理商弹窗 */}
      <Modal isOpen={showInviteModal} onClose={() => { setShowInviteModal(false); setInviteEmail(''); setInviteLink(''); }} title="邀请代理商">
        <div className="space-y-4">
          <p className="text-text-secondary text-sm">输入代理商邮箱，系统将发送邀请链接。</p>

          <div>
            <label className="block text-sm font-medium text-text-primary mb-1">代理商邮箱</label>
            <div className="flex gap-2">
              <input
                type="email"
                value={inviteEmail}
                onChange={(e) => setInviteEmail(e.target.value)}
                placeholder="agency@example.com"
                className="flex-1 px-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"
              />
              <Button variant="secondary" onClick={handleInvite}>
                生成链接
              </Button>
            </div>
          </div>

          {inviteLink && (
            <div className="p-4 bg-bg-elevated rounded-lg">
              <div className="flex items-center justify-between mb-2">
                <span className="text-sm font-medium text-text-primary">邀请链接</span>
                <button
                  type="button"
                  onClick={handleCopyLink}
                  className="flex items-center gap-1 text-sm text-accent-indigo hover:underline"
                >
                  <Copy size={14} />
                  复制
                </button>
              </div>
              <p className="text-sm text-text-secondary break-all">{inviteLink}</p>
            </div>
          )}

          <div className="flex gap-3 justify-end pt-4">
            <Button variant="ghost" onClick={() => { setShowInviteModal(false); setInviteEmail(''); setInviteLink(''); }}>
              取消
            </Button>
            <Button onClick={handleSendInvite} disabled={!inviteEmail.trim()}>
              <Mail size={16} />
              发送邀请
            </Button>
          </div>
        </div>
      </Modal>
    </div>
  )
}