/**
 * 分类数据获取 Hook
 * 封装店铺、场景、平台、品类的数据获取逻辑
 */

import { useState, useEffect, useCallback } from 'react'

/**
 * 分类项接口
 */
export interface CategoryItem {
  id: string
  name: string
}

/**
 * 分类数据接口
 */
export interface CategoryData {
  categories: CategoryItem[]
  scenes: CategoryItem[]
  platforms: CategoryItem[]
  productCategories: CategoryItem[]
}

/**
 * 分类数据 Hook 返回值
 */
export interface UseCategoryDataReturn {
  data: CategoryData
  loading: boolean
  error: string | null
  refresh: () => Promise<void>
  refreshCategories: () => Promise<void>
  refreshScenes: () => Promise<void>
  refreshPlatforms: () => Promise<void>
  refreshProductCategories: () => Promise<void>
}

/**
 * 分类数据获取 Hook
 */
export function useCategoryData(): UseCategoryDataReturn {
  const [categories, setCategories] = useState<CategoryItem[]>([])
  const [scenes, setScenes] = useState<CategoryItem[]>([])
  const [platforms, setPlatforms] = useState<CategoryItem[]>([])
  const [productCategories, setProductCategories] = useState<CategoryItem[]>([])
  const [loading, setLoading] = useState(true)
  const [error, setError] = useState<string | null>(null)

  // 获取店铺列表
  const fetchCategories = useCallback(async () => {
    try {
      const response = await fetch('/api/categories')
      if (response.ok) {
        const data = await response.json()
        setCategories(data)
      }
    } catch (err) {
      console.error('Error fetching categories:', err)
    }
  }, [])

  // 获取场景列表
  const fetchScenes = useCallback(async () => {
    try {
      const response = await fetch('/api/scenes')
      if (response.ok) {
        const data = await response.json()
        setScenes(data)
      }
    } catch (err) {
      console.error('Error fetching scenes:', err)
    }
  }, [])

  // 获取平台列表
  const fetchPlatforms = useCallback(async () => {
    try {
      const response = await fetch('/api/platforms')
      if (response.ok) {
        const data = await response.json()
        setPlatforms(data)
      }
    } catch (err) {
      console.error('Error fetching platforms:', err)
    }
  }, [])

  // 获取品类列表
  const fetchProductCategories = useCallback(async () => {
    try {
      const response = await fetch('/api/product-categories')
      if (response.ok) {
        const data = await response.json()
        setProductCategories(data)
      }
    } catch (err) {
      console.error('Error fetching product categories:', err)
    }
  }, [])

  // 刷新所有数据
  const refresh = useCallback(async () => {
    setLoading(true)
    setError(null)
    try {
      await Promise.all([
        fetchCategories(),
        fetchScenes(),
        fetchPlatforms(),
        fetchProductCategories(),
      ])
    } catch (err) {
      setError('获取分类数据失败')
      console.error('Error refreshing category data:', err)
    } finally {
      setLoading(false)
    }
  }, [fetchCategories, fetchScenes, fetchPlatforms, fetchProductCategories])

  // 初始加载
  useEffect(() => {
    refresh()
  }, [refresh])

  return {
    data: {
      categories,
      scenes,
      platforms,
      productCategories,
    },
    loading,
    error,
    refresh,
    refreshCategories: fetchCategories,
    refreshScenes: fetchScenes,
    refreshPlatforms: fetchPlatforms,
    refreshProductCategories: fetchProductCategories,
  }
}