"use client"

import { useState } from 'react'
import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs'
import { Card } from '@/components/ui/card'
import { Button } from '@/components/ui/button'
import { Badge } from '@/components/ui/badge'
import { ShoppingCart, Package, Plus, Calendar, TrendingUp, AlertCircle, Building2 } from 'lucide-react'

interface MarketplaceSupply {
  id: string
  name: string
  marketplace: 'wildberries' | 'ozon'
  category: string
  quantity: number
  status: 'planned' | 'in-transit' | 'delivered' | 'accepted'
  date: string
  warehouse: string
  amount: number
  sku: string
}

const mockMarketplaceSupplies: MarketplaceSupply[] = [
  {
    id: '1',
    name: 'Наушники AirPods Pro',
    marketplace: 'wildberries',
    category: 'Аудио',
    quantity: 30,
    status: 'delivered',
    date: '2024-01-20',
    warehouse: 'WB Подольск',
    amount: 750000,
    sku: 'APL-AP-PRO2'
  },
  {
    id: '2',
    name: 'Смарт часы Apple Watch',
    marketplace: 'ozon',
    category: 'Электроника',
    quantity: 25,
    status: 'in-transit',
    date: '2024-01-22',
    warehouse: 'Ozon Тверь',
    amount: 1250000,
    sku: 'APL-AW-S9'
  },
  {
    id: '3',
    name: 'Зарядные устройства',
    marketplace: 'wildberries',
    category: 'Аксессуары',
    quantity: 100,
    status: 'accepted',
    date: '2024-01-18',
    warehouse: 'WB Электросталь',
    amount: 350000,
    sku: 'ACC-CHG-20W'
  }
]

export function MarketplaceSuppliesTab() {
  const [activeMarketplace, setActiveMarketplace] = useState<'all' | 'wildberries' | 'ozon'>('all')

  const formatCurrency = (amount: number) => {
    return new Intl.NumberFormat('ru-RU', {
      style: 'currency',
      currency: 'RUB',
      minimumFractionDigits: 0
    }).format(amount)
  }

  const formatDate = (dateString: string) => {
    return new Date(dateString).toLocaleDateString('ru-RU', {
      day: '2-digit',
      month: '2-digit',
      year: 'numeric'
    })
  }

  const getStatusBadge = (status: string) => {
    const statusConfig = {
      planned: { variant: 'outline' as const, color: 'text-blue-300 border-blue-400/30', label: 'Запланировано' },
      'in-transit': { variant: 'outline' as const, color: 'text-yellow-300 border-yellow-400/30', label: 'В пути' },
      delivered: { variant: 'outline' as const, color: 'text-green-300 border-green-400/30', label: 'Доставлено' },
      accepted: { variant: 'outline' as const, color: 'text-purple-300 border-purple-400/30', label: 'Принято' }
    }
    
    const config = statusConfig[status as keyof typeof statusConfig] || statusConfig.planned
    
    return (
      <Badge variant={config.variant} className={`glass-secondary ${config.color}`}>
        {config.label}
      </Badge>
    )
  }

  const getMarketplaceBadge = (marketplace: string) => {
    if (marketplace === 'wildberries') {
      return (
        <Badge variant="outline" className="glass-secondary text-purple-300 border-purple-400/30">
          Wildberries
        </Badge>
      )
    } else if (marketplace === 'ozon') {
      return (
        <Badge variant="outline" className="glass-secondary text-blue-300 border-blue-400/30">
          Ozon
        </Badge>
      )
    }
    return null
  }

  const filteredSupplies = activeMarketplace === 'all' 
    ? mockMarketplaceSupplies 
    : mockMarketplaceSupplies.filter(supply => supply.marketplace === activeMarketplace)

  const getTotalAmount = () => {
    return filteredSupplies.reduce((sum, supply) => sum + supply.amount, 0)
  }

  const getTotalQuantity = () => {
    return filteredSupplies.reduce((sum, supply) => sum + supply.quantity, 0)
  }

  return (
    <div className="h-full flex flex-col space-y-4 p-4">
      {/* Компактный заголовок */}
      <div className="flex items-center justify-between">
        <div className="flex items-center gap-2">
          <ShoppingCart className="h-4 w-4 text-purple-400" />
          <span className="text-white font-medium text-sm">Маркетплейсы</span>
        </div>
        <Button 
          size="sm"
          className="bg-gradient-to-r from-purple-500 to-pink-500 hover:from-purple-600 hover:to-pink-600 text-white text-xs"
        >
          <Plus className="h-3 w-3 mr-1" />
          Создать
        </Button>
      </div>

      {/* Компактная статистика */}
      <div className="grid grid-cols-2 lg:grid-cols-4 gap-3">
        <Card className="glass-card p-3">
          <div className="flex items-center space-x-2">
            <div className="p-1.5 bg-purple-500/20 rounded">
              <Package className="h-3 w-3 text-purple-400" />
            </div>
            <div>
              <p className="text-white/60 text-xs">Поставок</p>
              <p className="text-lg font-bold text-white">{filteredSupplies.length}</p>
            </div>
          </div>
        </Card>

        <Card className="glass-card p-4">
          <div className="flex items-center space-x-3">
            <div className="p-2 bg-green-500/20 rounded-lg">
              <TrendingUp className="h-5 w-5 text-green-400" />
            </div>
            <div>
              <p className="text-white/60 text-sm">Общая сумма</p>
              <p className="text-xl font-bold text-white">{formatCurrency(getTotalAmount())}</p>
            </div>
          </div>
        </Card>

        <Card className="glass-card p-4">
          <div className="flex items-center space-x-3">
            <div className="p-2 bg-blue-500/20 rounded-lg">
              <AlertCircle className="h-5 w-5 text-blue-400" />
            </div>
            <div>
              <p className="text-white/60 text-sm">Единиц товара</p>
              <p className="text-xl font-bold text-white">{getTotalQuantity()}</p>
            </div>
          </div>
        </Card>

        <Card className="glass-card p-4">
          <div className="flex items-center space-x-3">
            <div className="p-2 bg-yellow-500/20 rounded-lg">
              <Calendar className="h-5 w-5 text-yellow-400" />
            </div>
            <div>
              <p className="text-white/60 text-sm">В пути</p>
              <p className="text-xl font-bold text-white">
                {filteredSupplies.filter(s => s.status === 'in-transit').length}
              </p>
            </div>
          </div>
        </Card>
      </div>

      {/* Фильтры по маркетплейсу */}
      <div className="flex items-center space-x-2">
        <span className="text-white/60 text-sm">Маркетплейс:</span>
        <div className="flex space-x-2">
          <Button
            variant={activeMarketplace === 'all' ? 'secondary' : 'ghost'}
            size="sm"
            onClick={() => setActiveMarketplace('all')}
            className={`${activeMarketplace === 'all' ? 'bg-white/20 text-white' : 'text-white/70 hover:bg-white/10'}`}
          >
            Все
          </Button>
          <Button
            variant={activeMarketplace === 'wildberries' ? 'secondary' : 'ghost'}
            size="sm"
            onClick={() => setActiveMarketplace('wildberries')}
            className={`${activeMarketplace === 'wildberries' ? 'bg-white/20 text-white' : 'text-white/70 hover:bg-white/10'} flex items-center gap-1`}
          >
            <div className="w-3 h-3 bg-purple-400 rounded-full"></div>
            Wildberries
          </Button>
          <Button
            variant={activeMarketplace === 'ozon' ? 'secondary' : 'ghost'}
            size="sm"
            onClick={() => setActiveMarketplace('ozon')}
            className={`${activeMarketplace === 'ozon' ? 'bg-white/20 text-white' : 'text-white/70 hover:bg-white/10'} flex items-center gap-1`}
          >
            <div className="w-3 h-3 bg-blue-400 rounded-full"></div>
            Ozon
          </Button>
        </div>
      </div>

      {/* Таблица поставок */}
      <Card className="glass-card flex-1 overflow-hidden">
        <div className="p-6 h-full flex flex-col">
          <div className="overflow-x-auto flex-1">
            <table className="w-full">
              <thead>
                <tr className="border-b border-white/20">
                  <th className="text-left p-3 text-white font-semibold">Маркетплейс</th>
                  <th className="text-left p-3 text-white font-semibold">Наименование</th>
                  <th className="text-left p-3 text-white font-semibold">SKU</th>
                  <th className="text-left p-3 text-white font-semibold">Категория</th>
                  <th className="text-left p-3 text-white font-semibold">Количество</th>
                  <th className="text-left p-3 text-white font-semibold">Склад</th>
                  <th className="text-left p-3 text-white font-semibold">Дата</th>
                  <th className="text-left p-3 text-white font-semibold">Сумма</th>
                  <th className="text-left p-3 text-white font-semibold">Статус</th>
                </tr>
              </thead>
              <tbody>
                {filteredSupplies.map((supply) => (
                  <tr key={supply.id} className="border-b border-white/10 hover:bg-white/5 transition-colors">
                    <td className="p-3">
                      {getMarketplaceBadge(supply.marketplace)}
                    </td>
                    <td className="p-3">
                      <span className="text-white font-medium">{supply.name}</span>
                    </td>
                    <td className="p-3">
                      <span className="text-white/80 font-mono text-sm">{supply.sku}</span>
                    </td>
                    <td className="p-3">
                      <span className="text-white/80">{supply.category}</span>
                    </td>
                    <td className="p-3">
                      <span className="text-white font-semibold">{supply.quantity}</span>
                    </td>
                    <td className="p-3">
                      <span className="text-white/80">{supply.warehouse}</span>
                    </td>
                    <td className="p-3">
                      <span className="text-white/80">{formatDate(supply.date)}</span>
                    </td>
                    <td className="p-3">
                      <span className="text-white font-semibold">{formatCurrency(supply.amount)}</span>
                    </td>
                    <td className="p-3">
                      {getStatusBadge(supply.status)}
                    </td>
                  </tr>
                ))}
              </tbody>
            </table>

            {filteredSupplies.length === 0 && (
              <div className="flex items-center justify-center p-8">
                <div className="text-center">
                  <ShoppingCart className="h-12 w-12 text-white/20 mx-auto mb-4" />
                  <p className="text-white/60">Поставки не найдены</p>
                  <p className="text-white/40 text-sm mt-2">
                    Измените фильтр или создайте новую поставку
                  </p>
                </div>
              </div>
            )}
          </div>
        </div>
      </Card>
    </div>
  )
}