"use client"

import { useAuth } from '@/hooks/useAuth'
import { useSidebar } from '@/hooks/useSidebar'
import { Button } from '@/components/ui/button'
import { Card } from '@/components/ui/card'
import { Avatar, AvatarImage, AvatarFallback } from '@/components/ui/avatar'
import { useRouter, usePathname } from 'next/navigation'
import { useQuery } from '@apollo/client'
import { GET_CONVERSATIONS, GET_INCOMING_REQUESTS } from '@/graphql/queries'
import { 
  Settings, 
  LogOut,
  Store,
  MessageCircle,
  Wrench,
  Warehouse,
  Users,
  Truck,
  Handshake,
  ChevronLeft,
  ChevronRight
} from 'lucide-react'

export function Sidebar() {
  const { user, logout } = useAuth()
  const router = useRouter()
  const pathname = usePathname()
  const { isCollapsed, toggleSidebar } = useSidebar()


  // Загружаем список чатов для подсчета непрочитанных сообщений
  const { data: conversationsData } = useQuery(GET_CONVERSATIONS, {
    pollInterval: 60000, // Обновляем каждую минуту в сайдбаре - этого достаточно
    fetchPolicy: 'cache-first',
    errorPolicy: 'ignore', // Игнорируем ошибки чтобы не ломать сайдбар
    notifyOnNetworkStatusChange: false, // Плавные обновления без мерцания
  })

  // Загружаем входящие заявки для подсчета новых запросов
  const { data: incomingRequestsData } = useQuery(GET_INCOMING_REQUESTS, {
    pollInterval: 60000, // Обновляем каждую минуту
    fetchPolicy: 'cache-first',
    errorPolicy: 'ignore',
    notifyOnNetworkStatusChange: false,
  })

  const conversations = conversationsData?.conversations || []
  const incomingRequests = incomingRequestsData?.incomingRequests || []
  const totalUnreadCount = conversations.reduce((sum: number, conv: { unreadCount?: number }) => sum + (conv.unreadCount || 0), 0)
  const incomingRequestsCount = incomingRequests.length

  const getInitials = () => {
    const orgName = getOrganizationName()
    return orgName.charAt(0).toUpperCase()
  }

  const getOrganizationName = () => {
    if (user?.organization?.name) {
      return user.organization.name
    }
    if (user?.organization?.fullName) {
      return user.organization.fullName
    }
    return 'Организация'
  }

  const getCabinetType = () => {
    if (!user?.organization?.type) return 'Кабинет'
    
    switch (user.organization.type) {
      case 'FULFILLMENT':
        return 'Фулфилмент'
      case 'SELLER':
        return 'Селлер'
      case 'LOGIST':
        return 'Логистика'  
      case 'WHOLESALE':
        return 'Оптовик'
      default:
        return 'Кабинет'
    }
  }

  const handleSettingsClick = () => {
    router.push('/settings')
  }

  const handleMarketClick = () => {
    router.push('/market')
  }

  const handleMessengerClick = () => {
    router.push('/messenger')
  }

  const handleServicesClick = () => {
    router.push('/services')
  }

  const handleWarehouseClick = () => {
    router.push('/warehouse')
  }

  const handleEmployeesClick = () => {
    router.push('/employees')
  }

  const handleSuppliesClick = () => {
    // Для каждого типа кабинета свой роут
    switch (user?.organization?.type) {
      case 'FULFILLMENT':
        router.push('/fulfillment-supplies')
        break
      case 'SELLER':
        router.push('/supplies')
        break
      case 'WHOLESALE':
        router.push('/supplies')
        break
      case 'LOGIST':
        router.push('/logistics')
        break
      default:
        router.push('/supplies')
    }
  }

  const handlePartnersClick = () => {
    router.push('/partners')
  }



  const isSettingsActive = pathname === '/settings'
  const isMarketActive = pathname.startsWith('/market')
  const isMessengerActive = pathname.startsWith('/messenger')
  const isServicesActive = pathname.startsWith('/services')
  const isWarehouseActive = pathname.startsWith('/warehouse')
  const isEmployeesActive = pathname.startsWith('/employees')
  const isSuppliesActive = pathname.startsWith('/supplies') || pathname.startsWith('/fulfillment-supplies') || pathname.startsWith('/logistics')
  const isPartnersActive = pathname.startsWith('/partners')

  return (
    <div className="relative">
      {/* Основной сайдбар */}
      <div className={`fixed left-4 top-4 bottom-4 ${isCollapsed ? 'w-16' : 'w-56'} bg-white/10 backdrop-blur-xl border border-white/20 rounded-2xl ${isCollapsed ? 'p-2' : 'p-3'} transition-all duration-300 ease-in-out z-50`}>
        {/* ОХУЕННАЯ кнопка сворачивания - на правом краю сайдбара */}
        <div className="absolute -right-6 top-1/2 -translate-y-1/2 z-[999]">
          <div className="relative group">
            {/* Основная кнопка с безопасными эффектами */}
            <Button
              variant="ghost"
              size="icon"
              onClick={toggleSidebar}
              className="relative h-12 w-12 rounded-full bg-gradient-to-br from-white/20 to-white/5 border border-white/30 hover:from-white/30 hover:to-white/10 transition-all duration-300 ease-out hover:scale-110 active:scale-95 backdrop-blur-xl shadow-lg hover:shadow-xl hover:shadow-purple-500/20 group-hover:border-purple-300/50"
              title={isCollapsed ? "Развернуть сайдбар" : "Свернуть сайдбар"}
            >
              {/* Простая анимированная иконка */}
              <div className="transition-transform duration-300 ease-out group-hover:scale-110">
                {isCollapsed ? (
                  <ChevronRight className="h-6 w-6 text-white/80 group-hover:text-white transition-colors duration-300" />
                ) : (
                  <ChevronLeft className="h-6 w-6 text-white/80 group-hover:text-white transition-colors duration-300" />
                )}
              </div>
              
              {/* Простое свечение при наведении */}
              <div className="absolute inset-0 rounded-full bg-gradient-to-r from-purple-500/0 to-blue-500/0 group-hover:from-purple-500/10 group-hover:to-blue-500/10 transition-all duration-500"></div>
            </Button>
            
            {/* Подсказка только в свернутом состоянии */}
            {isCollapsed && (
              <div className="absolute left-full ml-3 top-1/2 -translate-y-1/2 whitespace-nowrap opacity-0 group-hover:opacity-100 transition-all duration-300">
                <div className="bg-gradient-to-r from-purple-500/20 to-blue-500/20 backdrop-blur-xl border border-white/20 rounded-lg px-3 py-2">
                  <div className="text-sm text-white font-medium flex items-center space-x-2">
                    <div className="w-2 h-2 bg-green-400 rounded-full animate-pulse"></div>
                    <span>⚡ Развернуть</span>
                  </div>
                </div>
              </div>
            )}
          </div>
        </div>

        <div className="flex flex-col h-full">
          {/* Информация о пользователе */}
          <div className="bg-white/5 backdrop-blur border border-white/30 rounded-xl mb-3 p-2.5 shadow-sm">
            {!isCollapsed ? (
              // Развернутое состояние - без карточки
              <div className="flex items-center space-x-2.5">
                <div className="relative flex-shrink-0">
                  <Avatar className="h-8 w-8 ring-2 ring-white/40">
                    {user?.avatar ? (
                      <AvatarImage 
                        src={user.avatar} 
                        alt="Аватар пользователя" 
                        className="w-full h-full object-cover"
                      />
                    ) : null}
                    <AvatarFallback className="bg-gradient-to-br from-purple-500 to-purple-600 text-white text-xs font-semibold">
                      {getInitials()}
                    </AvatarFallback>
                  </Avatar>
                  <div className="absolute -bottom-0.5 -right-0.5 w-2 h-2 bg-green-400 rounded-full border-2 border-white/40"></div>
                </div>
                <div className="flex-1 min-w-0">
                  <p className="text-white text-xs font-medium mb-0.5 break-words" title={getOrganizationName()}>
                    {getOrganizationName()}
                  </p>
                  <div className="flex items-center space-x-1">
                    <div className="w-1 h-1 bg-purple-400 rounded-full flex-shrink-0"></div>
                    <p className="text-white/50 text-[10px]">
                      {getCabinetType()}
                    </p>
                  </div>
                </div>
              </div>
            ) : (
              // Свернутое состояние - только аватар
              <div className="flex justify-center">
                <div className="relative" title={`${getOrganizationName()} - ${getCabinetType()}`}>
                  <Avatar className="h-7 w-7 ring-2 ring-white/40">
                    {user?.avatar ? (
                      <AvatarImage 
                        src={user.avatar} 
                        alt="Аватар пользователя" 
                        className="w-full h-full object-cover"
                      />
                    ) : null}
                    <AvatarFallback className="bg-gradient-to-br from-purple-500 to-purple-600 text-white text-[10px] font-semibold">
                      {getInitials()}
                    </AvatarFallback>
                  </Avatar>
                  <div className="absolute -bottom-0.5 -right-0.5 w-1.5 h-1.5 bg-green-400 rounded-full border-2 border-white/40"></div>
                </div>
              </div>
            )}
          </div>

          {/* Навигация */}
          <div className="space-y-1 mb-3 flex-1">
            <Button
              variant={isMarketActive ? "secondary" : "ghost"}
              className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                isMarketActive
                  ? 'bg-white/20 text-white hover:bg-white/30' 
                  : 'text-white/80 hover:bg-white/10 hover:text-white'
              } cursor-pointer`}
              onClick={handleMarketClick}
              title={isCollapsed ? "Маркет" : ""}
            >
              <Store className={`${isCollapsed ? 'h-4 w-4' : 'h-4 w-4'} flex-shrink-0`} />
              {!isCollapsed && <span className="ml-3">Маркет</span>}
            </Button>

            <Button
              variant={isMessengerActive ? "secondary" : "ghost"}
              className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs relative ${
                isMessengerActive
                  ? 'bg-white/20 text-white hover:bg-white/30' 
                  : 'text-white/80 hover:bg-white/10 hover:text-white'
              } cursor-pointer`}
              onClick={handleMessengerClick}
              title={isCollapsed ? "Мессенджер" : ""}
            >
              <MessageCircle className="h-4 w-4 flex-shrink-0" />
              {!isCollapsed && <span className="ml-3">Мессенджер</span>}
              {/* Индикатор непрочитанных сообщений */}
              {totalUnreadCount > 0 && (
                <div className={`absolute ${
                  isCollapsed 
                    ? 'top-1 right-1 w-3 h-3' 
                    : 'top-2 right-2 w-4 h-4'
                } bg-red-500 text-white text-xs rounded-full flex items-center justify-center font-bold`}>
                  {isCollapsed ? '' : (totalUnreadCount > 99 ? '99+' : totalUnreadCount)}
                </div>
              )}
            </Button>

            <Button
              variant={isPartnersActive ? "secondary" : "ghost"}
              className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs relative ${
                isPartnersActive
                  ? 'bg-white/20 text-white hover:bg-white/30' 
                  : 'text-white/80 hover:bg-white/10 hover:text-white'
              } cursor-pointer`}
              onClick={handlePartnersClick}
              title={isCollapsed ? "Партнёры" : ""}
            >
              <Handshake className="h-4 w-4 flex-shrink-0" />
              {!isCollapsed && <span className="ml-3">Партнёры</span>}
              {/* Индикатор входящих заявок */}
              {incomingRequestsCount > 0 && (
                <div className={`absolute ${
                  isCollapsed 
                    ? 'top-1 right-1 w-3 h-3' 
                    : 'top-2 right-2 w-4 h-4'
                } bg-red-500 text-white text-xs rounded-full flex items-center justify-center font-bold`}>
                  {isCollapsed ? '' : (incomingRequestsCount > 99 ? '99+' : incomingRequestsCount)}
                </div>
              )}
            </Button>

            {/* Услуги - только для фулфилмент центров */}
            {user?.organization?.type === 'FULFILLMENT' && (
              <Button
                variant={isServicesActive ? "secondary" : "ghost"}
                className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                  isServicesActive
                    ? 'bg-white/20 text-white hover:bg-white/30' 
                    : 'text-white/80 hover:bg-white/10 hover:text-white'
                } cursor-pointer`}
                onClick={handleServicesClick}
                title={isCollapsed ? "Услуги" : ""}
              >
                <Wrench className="h-4 w-4 flex-shrink-0" />
                {!isCollapsed && <span className="ml-3">Услуги</span>}
              </Button>
            )}

            {/* Сотрудники - только для фулфилмент центров */}
            {user?.organization?.type === 'FULFILLMENT' && (
              <Button
                variant={isEmployeesActive ? "secondary" : "ghost"}
                className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                  isEmployeesActive
                    ? 'bg-white/20 text-white hover:bg-white/30' 
                    : 'text-white/80 hover:bg-white/10 hover:text-white'
                } cursor-pointer`}
                onClick={handleEmployeesClick}
                title={isCollapsed ? "Сотрудники" : ""}
              >
                <Users className="h-4 w-4 flex-shrink-0" />
                {!isCollapsed && <span className="ml-3">Сотрудники</span>}
              </Button>
            )}

            {/* Мои поставки - для селлеров */}
            {user?.organization?.type === 'SELLER' && (
              <Button
                variant={isSuppliesActive ? "secondary" : "ghost"}
                className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                  isSuppliesActive
                    ? 'bg-white/20 text-white hover:bg-white/30' 
                    : 'text-white/80 hover:bg-white/10 hover:text-white'
                } cursor-pointer`}
                onClick={handleSuppliesClick}
                title={isCollapsed ? "Мои поставки" : ""}
              >
                <Truck className="h-4 w-4 flex-shrink-0" />
                {!isCollapsed && <span className="ml-3">Мои поставки</span>}
              </Button>
            )}

            {/* Входящие поставки - для фулфилмент */}
            {user?.organization?.type === 'FULFILLMENT' && (
              <Button
                variant={isSuppliesActive ? "secondary" : "ghost"}
                className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                  isSuppliesActive
                    ? 'bg-white/20 text-white hover:bg-white/30' 
                    : 'text-white/80 hover:bg-white/10 hover:text-white'
                } cursor-pointer`}
                onClick={handleSuppliesClick}
                title={isCollapsed ? "Входящие поставки" : ""}
              >
                <Truck className="h-4 w-4 flex-shrink-0" />
                {!isCollapsed && <span className="ml-3">Входящие поставки</span>}
              </Button>
            )}

            {/* Отгрузки - для оптовиков */}
            {user?.organization?.type === 'WHOLESALE' && (
              <Button
                variant={isSuppliesActive ? "secondary" : "ghost"}
                className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                  isSuppliesActive
                    ? 'bg-white/20 text-white hover:bg-white/30' 
                    : 'text-white/80 hover:bg-white/10 hover:text-white'
                } cursor-pointer`}
                onClick={handleSuppliesClick}
                title={isCollapsed ? "Отгрузки" : ""}
              >
                <Truck className="h-4 w-4 flex-shrink-0" />
                {!isCollapsed && <span className="ml-3">Отгрузки</span>}
              </Button>
            )}

            {/* Перевозки - для логистов */}
            {user?.organization?.type === 'LOGIST' && (
              <Button
                variant={isSuppliesActive ? "secondary" : "ghost"}
                className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                  isSuppliesActive
                    ? 'bg-white/20 text-white hover:bg-white/30' 
                    : 'text-white/80 hover:bg-white/10 hover:text-white'
                } cursor-pointer`}
                onClick={handleSuppliesClick}
                title={isCollapsed ? "Перевозки" : ""}
              >
                <Truck className="h-4 w-4 flex-shrink-0" />
                {!isCollapsed && <span className="ml-3">Перевозки</span>}
              </Button>
            )}

            {/* Склад - только для оптовиков */}
            {user?.organization?.type === 'WHOLESALE' && (
              <Button
                variant={isWarehouseActive ? "secondary" : "ghost"}
                className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                  isWarehouseActive
                    ? 'bg-white/20 text-white hover:bg-white/30' 
                    : 'text-white/80 hover:bg-white/10 hover:text-white'
                } cursor-pointer`}
                onClick={handleWarehouseClick}
                title={isCollapsed ? "Склад" : ""}
              >
                <Warehouse className="h-4 w-4 flex-shrink-0" />
                {!isCollapsed && <span className="ml-3">Склад</span>}
              </Button>
            )}
            
            <Button
              variant={isSettingsActive ? "secondary" : "ghost"}
              className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-left transition-all duration-200 text-xs ${
                isSettingsActive
                  ? 'bg-white/20 text-white hover:bg-white/30' 
                  : 'text-white/80 hover:bg-white/10 hover:text-white'
              } cursor-pointer`}
              onClick={handleSettingsClick}
              title={isCollapsed ? "Настройки профиля" : ""}
            >
              <Settings className="h-4 w-4 flex-shrink-0" />
              {!isCollapsed && <span className="ml-3">Настройки профиля</span>}
            </Button>
          </div>

          {/* Кнопка выхода */}
          <div>
            <Button
              variant="ghost"
              className={`w-full ${isCollapsed ? 'justify-center px-2 h-9' : 'justify-start h-10'} text-white/80 hover:bg-red-500/20 hover:text-red-300 cursor-pointer text-xs transition-all duration-200`}
              onClick={logout}
              title={isCollapsed ? "Выйти" : ""}
            >
              <LogOut className="h-4 w-4 flex-shrink-0" />
              {!isCollapsed && <span className="ml-3">Выйти</span>}
            </Button>
          </div>
        </div>
      </div>
    </div>
  )
}