"use client";

import React, { useState } from "react";
import { Card } from "@/components/ui/card";
import { Button } from "@/components/ui/button";
import { Badge } from "@/components/ui/badge";
import { StatsCard } from "../ui/stats-card";
import { StatsGrid } from "../ui/stats-grid";
import {
  ChevronDown,
  ChevronRight,
  Calendar,
  Package,
  MapPin,
  TrendingUp,
  AlertTriangle,
  DollarSign,
  Truck,
  ShoppingBag,
} from "lucide-react";

// Типы данных для поставок на Wildberries
interface WbProduct {
  id: string;
  name: string;
  sku: string;
  nmId: number;
  category: string;
  plannedQty: number;
  actualQty: number;
  defectQty: number;
  productPrice: number;
}

interface WbWarehouse {
  id: string;
  name: string;
  address: string;
  warehouseId: number;
  products: WbProduct[];
  totalAmount: number;
}

interface WbRoute {
  id: string;
  from: string;
  fromAddress: string;
  to: string;
  toAddress: string;
  warehouses: WbWarehouse[];
  totalProductPrice: number;
  logisticsPrice: number;
  totalAmount: number;
}

interface WbSupply {
  id: string;
  number: number;
  supplyId: string;
  deliveryDate: string;
  createdDate: string;
  routes: WbRoute[];
  plannedTotal: number;
  actualTotal: number;
  defectTotal: number;
  totalProductPrice: number;
  totalLogisticsPrice: number;
  grandTotal: number;
  status: "planned" | "in-transit" | "delivered" | "completed";
}

// Моковые данные для поставок на Wildberries
const mockWbSupplies: WbSupply[] = [
  {
    id: "wb1",
    number: 4001,
    supplyId: "WB24010001",
    deliveryDate: "2024-01-22",
    createdDate: "2024-01-16",
    status: "delivered",
    plannedTotal: 120,
    actualTotal: 118,
    defectTotal: 2,
    totalProductPrice: 2400000,
    totalLogisticsPrice: 18000,
    grandTotal: 2418000,
    routes: [
      {
        id: "wbr1",
        from: "Садовод",
        fromAddress: "Москва, 14-й км МКАД",
        to: "WB Подольск",
        toAddress: "Подольск, ул. Складская, 25",
        totalProductPrice: 2400000,
        logisticsPrice: 18000,
        totalAmount: 2418000,
        warehouses: [
          {
            id: "wbw1",
            name: "Склад WB Подольск",
            address: "Подольск, ул. Складская, 25",
            warehouseId: 117501,
            totalAmount: 2400000,
            products: [
              {
                id: "wbp1",
                name: "Смартфон Samsung Galaxy S24",
                sku: "SAMS-GS24-256",
                nmId: 123456789,
                category: "Смартфоны и гаджеты",
                plannedQty: 40,
                actualQty: 39,
                defectQty: 1,
                productPrice: 65000,
              },
              {
                id: "wbp2",
                name: "Чехол для Samsung Galaxy S24",
                sku: "CASE-GS24-BLK",
                nmId: 987654321,
                category: "Аксессуары для телефонов",
                plannedQty: 80,
                actualQty: 79,
                defectQty: 1,
                productPrice: 1200,
              },
            ],
          },
        ],
      },
    ],
  },
  {
    id: "wb2",
    number: 4002,
    supplyId: "WB24010002",
    deliveryDate: "2024-01-28",
    createdDate: "2024-01-20",
    status: "in-transit",
    plannedTotal: 60,
    actualTotal: 60,
    defectTotal: 0,
    totalProductPrice: 1800000,
    totalLogisticsPrice: 15000,
    grandTotal: 1815000,
    routes: [
      {
        id: "wbr2",
        from: "ТЯК Москва",
        fromAddress: "Москва, Алтуфьевское шоссе, 27",
        to: "WB Электросталь",
        toAddress: "Электросталь, ул. Промышленная, 10",
        totalProductPrice: 1800000,
        logisticsPrice: 15000,
        totalAmount: 1815000,
        warehouses: [
          {
            id: "wbw2",
            name: "Склад WB Электросталь",
            address: "Электросталь, ул. Промышленная, 10",
            warehouseId: 117986,
            totalAmount: 1800000,
            products: [
              {
                id: "wbp3",
                name: "Наушники Sony WH-1000XM5",
                sku: "SONY-WH1000XM5",
                nmId: 555666777,
                category: "Наушники и аудио",
                plannedQty: 30,
                actualQty: 30,
                defectQty: 0,
                productPrice: 35000,
              },
              {
                id: "wbp4",
                name: "Кабель USB-C",
                sku: "CABLE-USBC-2M",
                nmId: 111222333,
                category: "Кабели и адаптеры",
                plannedQty: 30,
                actualQty: 30,
                defectQty: 0,
                productPrice: 800,
              },
            ],
          },
        ],
      },
    ],
  },
];

export function WildberriesSuppliesTab() {
  const [expandedSupplies, setExpandedSupplies] = useState<Set<string>>(
    new Set()
  );
  const [expandedRoutes, setExpandedRoutes] = useState<Set<string>>(new Set());
  const [expandedWarehouses, setExpandedWarehouses] = useState<Set<string>>(
    new Set()
  );
  const [expandedProducts, setExpandedProducts] = useState<Set<string>>(
    new Set()
  );

  const toggleSupplyExpansion = (supplyId: string) => {
    const newExpanded = new Set(expandedSupplies);
    if (newExpanded.has(supplyId)) {
      newExpanded.delete(supplyId);
    } else {
      newExpanded.add(supplyId);
    }
    setExpandedSupplies(newExpanded);
  };

  const toggleRouteExpansion = (routeId: string) => {
    const newExpanded = new Set(expandedRoutes);
    if (newExpanded.has(routeId)) {
      newExpanded.delete(routeId);
    } else {
      newExpanded.add(routeId);
    }
    setExpandedRoutes(newExpanded);
  };

  const toggleWarehouseExpansion = (warehouseId: string) => {
    const newExpanded = new Set(expandedWarehouses);
    if (newExpanded.has(warehouseId)) {
      newExpanded.delete(warehouseId);
    } else {
      newExpanded.add(warehouseId);
    }
    setExpandedWarehouses(newExpanded);
  };

  const toggleProductExpansion = (productId: string) => {
    const newExpanded = new Set(expandedProducts);
    if (newExpanded.has(productId)) {
      newExpanded.delete(productId);
    } else {
      newExpanded.add(productId);
    }
    setExpandedProducts(newExpanded);
  };

  const getStatusBadge = (status: WbSupply["status"]) => {
    const statusMap = {
      planned: {
        label: "Запланирована",
        color: "bg-blue-500/20 text-blue-300 border-blue-500/30",
      },
      "in-transit": {
        label: "В пути",
        color: "bg-yellow-500/20 text-yellow-300 border-yellow-500/30",
      },
      delivered: {
        label: "Доставлена",
        color: "bg-green-500/20 text-green-300 border-green-500/30",
      },
      completed: {
        label: "Завершена",
        color: "bg-purple-500/20 text-purple-300 border-purple-500/30",
      },
    };
    const { label, color } = statusMap[status];
    return <Badge className={`${color} border`}>{label}</Badge>;
  };

  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 calculateProductTotal = (product: WbProduct) => {
    return product.actualQty * product.productPrice;
  };

  const getEfficiencyBadge = (
    planned: number,
    actual: number,
    defect: number
  ) => {
    const efficiency = ((actual - defect) / planned) * 100;
    if (efficiency >= 95) {
      return (
        <Badge className="bg-green-500/20 text-green-300 border-green-500/30 border">
          Отлично
        </Badge>
      );
    } else if (efficiency >= 90) {
      return (
        <Badge className="bg-yellow-500/20 text-yellow-300 border-yellow-500/30 border">
          Хорошо
        </Badge>
      );
    } else {
      return (
        <Badge className="bg-red-500/20 text-red-300 border-red-500/30 border">
          Проблемы
        </Badge>
      );
    }
  };

  return (
    <div className="space-y-6">
      {/* Статистика поставок на Wildberries */}
      <StatsGrid>
        <StatsCard
          title="Поставок на WB"
          value={mockWbSupplies.length}
          icon={ShoppingBag}
          iconColor="text-purple-400"
          iconBg="bg-purple-500/20"
          trend={{ value: 18, isPositive: true }}
          subtitle="Wildberries поставки"
        />

        <StatsCard
          title="Сумма WB поставок"
          value={formatCurrency(
            mockWbSupplies.reduce((sum, supply) => sum + supply.grandTotal, 0)
          )}
          icon={TrendingUp}
          iconColor="text-green-400"
          iconBg="bg-green-500/20"
          trend={{ value: 22, isPositive: true }}
          subtitle="Общая стоимость"
        />

        <StatsCard
          title="В пути"
          value={
            mockWbSupplies.filter((supply) => supply.status === "in-transit")
              .length
          }
          icon={Calendar}
          iconColor="text-yellow-400"
          iconBg="bg-yellow-500/20"
          subtitle="Активные поставки"
        />

        <StatsCard
          title="С браком"
          value={
            mockWbSupplies.filter((supply) => supply.defectTotal > 0).length
          }
          icon={AlertTriangle}
          iconColor="text-red-400"
          iconBg="bg-red-500/20"
          trend={{ value: 1, isPositive: false }}
          subtitle="Требуют проверки"
        />
      </StatsGrid>

      {/* Таблица поставок на Wildberries */}
      <Card className="bg-white/10 backdrop-blur border-white/20 overflow-hidden">
        <div className="overflow-x-auto">
          <table className="w-full">
            <thead>
              <tr className="border-b border-white/20">
                <th className="text-left p-4 text-white font-semibold">№</th>
                <th className="text-left p-4 text-white font-semibold">
                  ID поставки
                </th>
                <th className="text-left p-4 text-white font-semibold">
                  Дата поставки
                </th>
                <th className="text-left p-4 text-white font-semibold">
                  Дата создания
                </th>
                <th className="text-left p-4 text-white font-semibold">План</th>
                <th className="text-left p-4 text-white font-semibold">Факт</th>
                <th className="text-left p-4 text-white font-semibold">Брак</th>
                <th className="text-left p-4 text-white font-semibold">
                  Цена товаров
                </th>
                <th className="text-left p-4 text-white font-semibold">
                  Логистика
                </th>
                <th className="text-left p-4 text-white font-semibold">
                  Итого сумма
                </th>
                <th className="text-left p-4 text-white font-semibold">
                  Статус
                </th>
              </tr>
            </thead>
            <tbody>
              {mockWbSupplies.map((supply) => {
                const isSupplyExpanded = expandedSupplies.has(supply.id);

                return (
                  <React.Fragment key={supply.id}>
                    {/* Основная строка поставки на WB */}
                    <tr
                      className="border-b border-white/10 hover:bg-white/5 transition-colors bg-purple-500/10 cursor-pointer"
                      onClick={() => toggleSupplyExpansion(supply.id)}
                    >
                      <td className="p-4">
                        <div className="flex items-center space-x-2">
                          <span className="text-white font-normal text-lg">
                            {supply.number}
                          </span>
                        </div>
                      </td>
                      <td className="p-4">
                        <span className="text-purple-300 font-mono text-sm">
                          {supply.supplyId}
                        </span>
                      </td>
                      <td className="p-4">
                        <div className="flex items-center space-x-2">
                          <Calendar className="h-4 w-4 text-white/40" />
                          <span className="text-white font-semibold">
                            {formatDate(supply.deliveryDate)}
                          </span>
                        </div>
                      </td>
                      <td className="p-4">
                        <span className="text-white/80">
                          {formatDate(supply.createdDate)}
                        </span>
                      </td>
                      <td className="p-4">
                        <span className="text-white font-semibold">
                          {supply.plannedTotal}
                        </span>
                      </td>
                      <td className="p-4">
                        <span className="text-white font-semibold">
                          {supply.actualTotal}
                        </span>
                      </td>
                      <td className="p-4">
                        <span
                          className={`font-semibold ${
                            supply.defectTotal > 0
                              ? "text-red-400"
                              : "text-white"
                          }`}
                        >
                          {supply.defectTotal}
                        </span>
                      </td>
                      <td className="p-4">
                        <span className="text-green-400 font-semibold">
                          {formatCurrency(supply.totalProductPrice)}
                        </span>
                      </td>
                      <td className="p-4">
                        <span className="text-purple-400 font-semibold">
                          {formatCurrency(supply.totalLogisticsPrice)}
                        </span>
                      </td>
                      <td className="p-4">
                        <div className="flex items-center space-x-2">
                          <DollarSign className="h-4 w-4 text-white/40" />
                          <span className="text-white font-bold text-lg">
                            {formatCurrency(supply.grandTotal)}
                          </span>
                        </div>
                      </td>
                      <td className="p-4">{getStatusBadge(supply.status)}</td>
                    </tr>

                    {/* Развернутые уровни */}
                    {isSupplyExpanded &&
                      supply.routes.map((route) => {
                        const isRouteExpanded = expandedRoutes.has(route.id);
                        return (
                          <React.Fragment key={route.id}>
                            <tr className="border-b border-white/10 hover:bg-white/5 transition-colors bg-blue-500/10">
                              <td className="p-4 pl-12">
                                <div className="flex items-center space-x-2">
                                  <Button
                                    variant="ghost"
                                    size="sm"
                                    onClick={() =>
                                      toggleRouteExpansion(route.id)
                                    }
                                    className="h-6 w-6 p-0 text-white/60 hover:text-white hover:bg-white/10"
                                  >
                                    {isRouteExpanded ? (
                                      <ChevronDown className="h-4 w-4" />
                                    ) : (
                                      <ChevronRight className="h-4 w-4" />
                                    )}
                                  </Button>
                                  <MapPin className="h-4 w-4 text-blue-400" />
                                  <span className="text-white font-medium">
                                    Маршрут
                                  </span>
                                </div>
                              </td>
                              <td className="p-4" colSpan={3}>
                                <div className="text-white">
                                  <div className="flex items-center space-x-2 mb-1">
                                    <span className="font-medium">
                                      {route.from}
                                    </span>
                                    <span className="text-white/60">→</span>
                                    <span className="font-medium">
                                      {route.to}
                                    </span>
                                  </div>
                                  <div className="text-xs text-white/60">
                                    {route.fromAddress} → {route.toAddress}
                                  </div>
                                </div>
                              </td>
                              <td className="p-4">
                                <span className="text-white/80">
                                  {route.warehouses.reduce(
                                    (sum, w) =>
                                      sum +
                                      w.products.reduce(
                                        (pSum, p) => pSum + p.plannedQty,
                                        0
                                      ),
                                    0
                                  )}
                                </span>
                              </td>
                              <td className="p-4">
                                <span className="text-white/80">
                                  {route.warehouses.reduce(
                                    (sum, w) =>
                                      sum +
                                      w.products.reduce(
                                        (pSum, p) => pSum + p.actualQty,
                                        0
                                      ),
                                    0
                                  )}
                                </span>
                              </td>
                              <td className="p-4">
                                <span className="text-white/80">
                                  {route.warehouses.reduce(
                                    (sum, w) =>
                                      sum +
                                      w.products.reduce(
                                        (pSum, p) => pSum + p.defectQty,
                                        0
                                      ),
                                    0
                                  )}
                                </span>
                              </td>
                              <td className="p-4">
                                <span className="text-green-400 font-medium">
                                  {formatCurrency(route.totalProductPrice)}
                                </span>
                              </td>
                              <td className="p-4">
                                <span className="text-purple-400 font-medium">
                                  {formatCurrency(route.logisticsPrice)}
                                </span>
                              </td>
                              <td className="p-4">
                                <span className="text-white font-semibold">
                                  {formatCurrency(route.totalAmount)}
                                </span>
                              </td>
                              <td className="p-4"></td>
                            </tr>

                            {/* Склады WB */}
                            {isRouteExpanded &&
                              route.warehouses.map((warehouse) => {
                                const isWarehouseExpanded =
                                  expandedWarehouses.has(warehouse.id);
                                return (
                                  <React.Fragment key={warehouse.id}>
                                    <tr className="border-b border-white/10 hover:bg-white/5 transition-colors bg-green-500/10">
                                      <td className="p-4 pl-20">
                                        <div className="flex items-center space-x-2">
                                          <Button
                                            variant="ghost"
                                            size="sm"
                                            onClick={() =>
                                              toggleWarehouseExpansion(
                                                warehouse.id
                                              )
                                            }
                                            className="h-6 w-6 p-0 text-white/60 hover:text-white hover:bg-white/10"
                                          >
                                            {isWarehouseExpanded ? (
                                              <ChevronDown className="h-4 w-4" />
                                            ) : (
                                              <ChevronRight className="h-4 w-4" />
                                            )}
                                          </Button>
                                          <Truck className="h-4 w-4 text-green-400" />
                                          <span className="text-white font-medium">
                                            Склад WB
                                          </span>
                                        </div>
                                      </td>
                                      <td className="p-4" colSpan={3}>
                                        <div className="text-white">
                                          <div className="font-medium mb-1">
                                            {warehouse.name}
                                          </div>
                                          <div className="text-xs text-white/60 mb-1">
                                            ID: {warehouse.warehouseId}
                                          </div>
                                          <div className="text-xs text-white/60">
                                            {warehouse.address}
                                          </div>
                                        </div>
                                      </td>
                                      <td className="p-4">
                                        <span className="text-white/80">
                                          {warehouse.products.reduce(
                                            (sum, p) => sum + p.plannedQty,
                                            0
                                          )}
                                        </span>
                                      </td>
                                      <td className="p-4">
                                        <span className="text-white/80">
                                          {warehouse.products.reduce(
                                            (sum, p) => sum + p.actualQty,
                                            0
                                          )}
                                        </span>
                                      </td>
                                      <td className="p-4">
                                        <span className="text-white/80">
                                          {warehouse.products.reduce(
                                            (sum, p) => sum + p.defectQty,
                                            0
                                          )}
                                        </span>
                                      </td>
                                      <td className="p-4">
                                        <span className="text-green-400 font-medium">
                                          {formatCurrency(
                                            warehouse.products.reduce(
                                              (sum, p) =>
                                                sum + calculateProductTotal(p),
                                              0
                                            )
                                          )}
                                        </span>
                                      </td>
                                      <td className="p-4"></td>
                                      <td className="p-4">
                                        <span className="text-white font-semibold">
                                          {formatCurrency(
                                            warehouse.totalAmount
                                          )}
                                        </span>
                                      </td>
                                      <td className="p-4"></td>
                                    </tr>

                                    {/* Товары WB */}
                                    {isWarehouseExpanded &&
                                      warehouse.products.map((product) => (
                                        <tr
                                          key={product.id}
                                          className="border-b border-white/10 hover:bg-white/5 transition-colors bg-yellow-500/10"
                                        >
                                          <td className="p-4 pl-28">
                                            <div className="flex items-center space-x-2">
                                              <Package className="h-4 w-4 text-yellow-400" />
                                              <span className="text-white font-medium">
                                                Товар WB
                                              </span>
                                            </div>
                                          </td>
                                          <td className="p-4" colSpan={3}>
                                            <div className="text-white">
                                              <div className="font-medium mb-1">
                                                {product.name}
                                              </div>
                                              <div className="text-xs text-white/60 mb-1">
                                                Артикул: {product.sku}
                                              </div>
                                              <div className="text-xs text-white/60 mb-1">
                                                NM ID: {product.nmId}
                                              </div>
                                              <Badge className="bg-gray-500/20 text-gray-300 border-gray-500/30 border text-xs">
                                                {product.category}
                                              </Badge>
                                            </div>
                                          </td>
                                          <td className="p-4">
                                            <span className="text-white font-semibold">
                                              {product.plannedQty}
                                            </span>
                                          </td>
                                          <td className="p-4">
                                            <span className="text-white font-semibold">
                                              {product.actualQty}
                                            </span>
                                          </td>
                                          <td className="p-4">
                                            <span
                                              className={`font-semibold ${
                                                product.defectQty > 0
                                                  ? "text-red-400"
                                                  : "text-white"
                                              }`}
                                            >
                                              {product.defectQty}
                                            </span>
                                          </td>
                                          <td className="p-4">
                                            <div className="text-white">
                                              <div className="font-medium">
                                                {formatCurrency(
                                                  calculateProductTotal(product)
                                                )}
                                              </div>
                                              <div className="text-xs text-white/60">
                                                {formatCurrency(
                                                  product.productPrice
                                                )}{" "}
                                                за шт.
                                              </div>
                                            </div>
                                          </td>
                                          <td className="p-4">
                                            {getEfficiencyBadge(
                                              product.plannedQty,
                                              product.actualQty,
                                              product.defectQty
                                            )}
                                          </td>
                                          <td className="p-4">
                                            <span className="text-white font-semibold">
                                              {formatCurrency(
                                                calculateProductTotal(product)
                                              )}
                                            </span>
                                          </td>
                                          <td className="p-4"></td>
                                        </tr>
                                      ))}
                                  </React.Fragment>
                                );
                              })}
                          </React.Fragment>
                        );
                      })}
                  </React.Fragment>
                );
              })}
            </tbody>
          </table>
        </div>
      </Card>
    </div>
  );
}
