"use client"

import { useState, useEffect } from "react"
import type { Product } from "@/types/business"

// Mock products data
const mockProducts: Product[] = [
  {
    id: "1",
    name: "Wireless Headphones",
    category: "Audio",
    description: "High-quality wireless headphones with noise cancellation",
    buyPrice: 45.0,
    sellPrice: 89.99,
    stock: 25,
    minStock: 5,
    supplier: "Audio Tech Co",
    sku: "WH-001",
    createdAt: "2024-01-01",
    updatedAt: "2024-01-01",
  },
  {
    id: "2",
    name: "Phone Cases",
    category: "Accessories",
    description: "Protective cases for various phone models",
    buyPrice: 3.5,
    sellPrice: 12.99,
    stock: 150,
    minStock: 20,
    supplier: "Mobile Accessories Ltd",
    sku: "PC-002",
    createdAt: "2024-01-01",
    updatedAt: "2024-01-01",
  },
  {
    id: "3",
    name: "Power Banks",
    category: "Electronics",
    description: "10000mAh portable power banks",
    buyPrice: 18.0,
    sellPrice: 34.99,
    stock: 3,
    minStock: 10,
    supplier: "Power Solutions Inc",
    sku: "PB-003",
    createdAt: "2024-01-01",
    updatedAt: "2024-01-01",
  },
  {
    id: "4",
    name: "USB Cables",
    category: "Accessories",
    description: "USB-C charging cables 6ft length",
    buyPrice: 2.25,
    sellPrice: 8.99,
    stock: 0,
    minStock: 15,
    supplier: "Cable World",
    sku: "UC-004",
    createdAt: "2024-01-01",
    updatedAt: "2024-01-01",
  },
]

export function useProducts() {
  const [products, setProducts] = useState<Product[]>([])
  const [loading, setLoading] = useState(true)

  useEffect(() => {
    // Simulate loading from localStorage or API
    const savedProducts = localStorage.getItem("wholesale-products")
    if (savedProducts) {
      setProducts(JSON.parse(savedProducts))
    } else {
      setProducts(mockProducts)
      localStorage.setItem("wholesale-products", JSON.stringify(mockProducts))
    }
    setLoading(false)
  }, [])

  const addProduct = (productData: Omit<Product, "id" | "createdAt" | "updatedAt">) => {
    const newProduct: Product = {
      ...productData,
      id: Date.now().toString(),
      createdAt: new Date().toISOString(),
      updatedAt: new Date().toISOString(),
    }

    const updatedProducts = [...products, newProduct]
    setProducts(updatedProducts)
    localStorage.setItem("wholesale-products", JSON.stringify(updatedProducts))
  }

  const updateProduct = (productId: string, productData: Omit<Product, "id" | "createdAt" | "updatedAt">) => {
    const updatedProducts = products.map((product) =>
      product.id === productId ? { ...product, ...productData, updatedAt: new Date().toISOString() } : product,
    )
    setProducts(updatedProducts)
    localStorage.setItem("wholesale-products", JSON.stringify(updatedProducts))
  }

  const deleteProduct = (productId: string) => {
    const updatedProducts = products.filter((product) => product.id !== productId)
    setProducts(updatedProducts)
    localStorage.setItem("wholesale-products", JSON.stringify(updatedProducts))
  }

  const getProductById = (productId: string) => {
    return products.find((product) => product.id === productId)
  }

  const getLowStockProducts = () => {
    return products.filter((product) => product.stock <= product.minStock)
  }

  const getOutOfStockProducts = () => {
    return products.filter((product) => product.stock === 0)
  }

  return {
    products,
    loading,
    addProduct,
    updateProduct,
    deleteProduct,
    getProductById,
    getLowStockProducts,
    getOutOfStockProducts,
  }
}