import { defineStore } from 'pinia'
import router from '@/router'

interface cartState {
  cartList: Api.myShoppingCart[]
  /**
   * 是否正在加入购物车
   */
  isAddingCart: boolean
  /**
   * 星闪豹购物车全选按钮状态
   */
  isCartAllChecked: boolean
  totalProduct: Api.shoppingCartOrderConfirm | null
}
export const useSmqjhCartStore = defineStore('smqjh-cart', {
  state: (): cartState => ({
    cartList: [],
    isAddingCart: false,
    isCartAllChecked: false,
    totalProduct: null,
  }),
  getters: {
    /**
     * 计算星闪豹购物车商品总数量
     * @returns 购物车商品总数量
     */
    getTotalNum(): number {
      return this.cartList.map(it => it.skuList.map(its => its.num)).reduce((a, b) => a.concat(b), []).reduce((a, b) => a + b, 0)
    },
  },
  actions: {
    /**
     * 星闪豹加入购物车逻辑
     * @param skuId 商品skuId
     * @param num 商品数量
     * @param shopId 门店id
     * @param businessType 是否是加入购物车
     */
    async addCart(skuId: number, num: number, shopId: number, businessType: string) {
      return new Promise((resolve, reject) => {
        if (!skuId) {
          useGlobalToast().show({ msg: '请选择商品规格' })
          return reject(new Error('请选择商品规格'))
        }
        const { userInfo } = storeToRefs(useUserStore())
        useUserStore().checkLogin().then(() => {
          this.isAddingCart = true
          Apis.common.addShoppingCart({
            data: {
              businessType,
              skuId,
              num,
              shopId,
              channelId: Number(userInfo.value.channelId),
            },
          }).then((res) => {
            this.getCartList('XSB')
            resolve(res)
          }).finally(() => {
            this.isAddingCart = false
          })
        }).catch(err => reject(err))
      })
    },
    /**
     * 星闪豹获取购物车列表
     */
    async getCartList(businessType: string) {
      const { userInfo, token } = storeToRefs(useUserStore())
      if (!unref(token)) {
        return
      }
      const res = await Apis.common.myShoppingCart({
        data: {
          channelId: unref(userInfo).channelId,
          businessType,
        },
      })
      this.cartList = res.data.map((it) => {
        return {
          ...it,
          allGoods: [],
        }
      })
      this.isCartAllChecked = false
      this.totalProduct = null
      useTabbar().setTabbarItem('smqjh-cart', this.getTotalNum)
    },
    /**
     *
     * @param ids
     * @returns 计算选中商品总价
     */
    async getCartAddGoodsPrice(ids: string): Promise<Api.shoppingCartOrderConfirm> {
      return new Promise((resolve, reject) => {
        uni.showLoading({ mask: true })
        Apis.common.shoppingCartOrderConfirm({
          pathParams: {
            ids,
          },
        }).then((res) => {
          resolve(res.data)
        }).catch(err => reject(err)).finally(() => uni.hideLoading())
      })
    },
    /**
     * 购物车店铺全选按钮点击逻辑
     */
    async cartStoreAllChecked(e: { value: boolean }, shop: Api.myShoppingCart) {
      if (e.value) {
        shop.allGoods = shop.skuList.filter(it => it.shopSkuStocks !== '0' && it.isDelete !== '1').map(it => Number(it.id))
      }
      else {
        shop.allGoods = []
        this.totalProduct = null
      }
    },
    /**
     * 购物车商品选中逻辑
     */
    cartGoodsChecked(e: { value: number[] }, shop: Api.myShoppingCart) {
      if (e.value.length === shop.skuList.length) {
        shop.AllShopGoods = true
      }
      else {
        shop.AllShopGoods = false
        this.totalProduct = null
      }
    },
    /**
     * 购物车底部全选
     */
    cartAllChecked(e: { value: boolean }) {
      if (e.value) {
        this.cartList = this.cartList.map((it) => {
          return {
            ...it,
            AllShopGoods: true,
            allGoods: it.skuList.map(it => Number(it.id)),
          }
        })
      }
      else {
        this.cartList = this.cartList.map((it) => {
          return {
            ...it,
            AllShopGoods: false,
            allGoods: [],
          }
        })
        this.totalProduct = null
      }
    },
    /**
     * 购物车删除商品逻辑
     */
    cartDeleteGoods() {
      useGlobalMessage().confirm({
        title: '删除商品',
        msg: '是否删除选中的商品？',
        success: async () => {
          const delGoods = this.cartList.filter(it => it.allGoods?.length > 0)
          if (delGoods.length) {
            await Apis.common.deleteShoppingCart({
              pathParams: {
                ids: delGoods.map(it => it.allGoods).join(','),
              },
            })
            this.getCartList('XSB')
            useGlobalToast().show({ msg: '删除成功！' })
          }
          else {
            useGlobalToast().show({ msg: '请选择要删除的商品' })
          }
        },
      })
    },
    /**
     * 购物车减按钮逻辑
     */
    async cartSubGoods(item: Api.CartSkuVo) {
      if (this.isAddingCart) {
        useGlobalToast().show({ msg: '移除商品中，请稍后' })
        return
      }
      if (item.num === 1) {
        useGlobalMessage().confirm({
          msg: '是否删除该商品？',
          success: async () => {
            await this.addCart(item.skuId, -1, item.shopId, 'XSB')
          },
        })
      }
      else {
        await this.addCart(item.skuId, -1, item.shopId, 'XSB')
      }
    },
    /**
     * 购物车加按钮逻辑
     */
    async cartAddGoods(item: Api.CartSkuVo) {
      if (this.isAddingCart) {
        useGlobalToast().show({ msg: '加入购物车中，请稍后' })
        return
      }
      await this.addCart(item.skuId, 1, item.shopId, 'XSB')
    },
    /**
     * 统一结算按钮逻辑
     */
    async cartOrderConfirm() {
      if (!this.totalProduct) {
        useGlobalToast().show({ msg: '请选择商品' })
        return
      }
      const list = this.cartList.filter(it => it.allGoods.length)
      if (list.length > 1) {
        useGlobalToast().show({ msg: '不能同时选中两个店铺的商品' })
        return
      }
      const shopSkuStock = this.totalProduct.skuList.filter(it => it.num > Number(it.shopSkuStocks))
      if (shopSkuStock.length) {
        useGlobalToast().show({ msg: `${shopSkuStock[0].skuName}库存不足` })
      }
      else {
        router.push({
          name: 'xsb-confirmOrder',
          params: { data: JSON.stringify(this.totalProduct) },
        })
      }
    },
    /**
     * 统一获取价格逻辑
     */
    async getCartTotalPrice() {
      const ids = this.cartList.filter(it => it.allGoods.length)
      if (ids.length) {
        const shopIds = ids.map(it => it.allGoods).flat()
        const id = shopIds.join(',')
        const res = await this.getCartAddGoodsPrice(id)
        this.totalProduct = res
      }
      if (ids.length === this.cartList.length) {
        const goodsindex = ids.filter(it => it.allGoods.length === it.skuList.length)
        if (goodsindex.length === this.cartList.length) {
          this.isCartAllChecked = true
        }
        else {
          this.isCartAllChecked = false
        }
      }
      else {
        this.isCartAllChecked = false
      }
    },

  },
})