<template>
  <goods-sku-popup :value="value" @input="onChangeValue" border-radius="20" :localdata="goodsInfo" :mode="skuMode" :maskCloseAble="true"
    :priceColor="appTheme.mainBg" :buyNowBackgroundColor="appTheme.mainBg" :addCartColor="appTheme.viceText" :addCartBackgroundColor="appTheme.viceBg"
    :activedStyle="{ color: appTheme.mainBg, borderColor: appTheme.mainBg, backgroundColor: activedBtnBackgroundColor }" @open="openSkuPopup"
    @close="closeSkuPopup" @buy-now="buyNow" buyNowText="立即购买" :maxBuyNum="goods.limit_num" :noStockText="noStockText" />
</template>

<script>
  import { hex2rgba } from '@/utils/color'
  import * as TaskApi from '@/api/bargain/task'
  import GoodsSkuPopup from '@/components/goods-sku-popup'

  export default {
    components: {
      GoodsSkuPopup
    },
    model: {
      prop: 'value',
      event: 'input'
    },
    props: {
      // true 组件显示 false 组件隐藏
      value: {
        Type: Boolean,
        default: false
      },
      // 模式 1:都显示 2:只显示购物车 3:只显示立即购买
      skuMode: {
        type: Number,
        default: 1
      },
      // 砍价活动详情
      active: {
        type: Object,
        default: {}
      },
      // 该商品已抢完时的按钮文字
      noStockText: {
        Type: String,
        default: "该商品已抢完"
      },
      // 商品详情信息
      goods: {
        type: Object,
        default: {}
      }
    },
    data() {
      return {
        goodsInfo: {}
      }
    },
    computed: {
      // 规格按钮选中时的背景色
      activedBtnBackgroundColor() {
        return hex2rgba(this.appTheme.mainBg, 0.1)
      }
    },
    created() {
      const app = this
      const { goods } = app
      app.goodsInfo = {
        _id: goods.goods_id,
        name: goods.goods_name,
        goods_thumb: goods.goods_image,
        sku_list: app.getSkuList(),
        spec_list: app.getSpecList()
      }
    },

    methods: {

      // 监听组件显示隐藏
      onChangeValue(val) {
        this.$emit('input', val)
      },

      /**
       * 获取商品信息
       * 这里可以看到每次打开SKU都会去重新请求商品信息,为的是每次打开SKU组件可以实时看到剩余库存
       */
      findGoodsInfo() {
        return new Promise((resolve, reject) => {
          resolve(goodsInfo)
        })
      },

      // 整理商品SKU列表
      getSkuList() {
        const app = this
        const { goods: { goods_name, goods_image, skuList } } = app
        const skuData = []
        skuList.forEach(item => {
          skuData.push({
            _id: item.id,
            goods_sku_id: item.goods_sku_id,
            goods_id: item.goods_id,
            goods_name: goods_name,
            image: item.image_url ? item.image_url : goods_image,
            price: item.seckill_price * 100,
            stock: item.seckill_stock,
            spec_value_ids: item.spec_value_ids,
            sku_name_arr: app.getSkuNameArr(item.spec_value_ids)
          })
        })
        return skuData
      },

      // 获取sku记录的规格值列表
      getSkuNameArr(specValueIds) {
        const app = this
        const defaultData = ['默认']
        const skuNameArr = []
        if (specValueIds) {
          specValueIds.forEach((valueId, groupIndex) => {
            const specValueName = app.getSpecValueName(valueId, groupIndex)
            skuNameArr.push(specValueName)
          })
        }
        return skuNameArr.length ? skuNameArr : defaultData
      },

      // 获取指定的规格值名称
      getSpecValueName(valueId, groupIndex) {
        const app = this
        const { goods: { specList } } = app
        const res = specList[groupIndex].valueList.find(specValue => {
          return specValue.spec_value_id == valueId
        })
        return res.spec_value
      },

      // 整理规格数据
      getSpecList() {
        const { goods: { specList } } = this
        const defaultData = [{ name: '默认', list: [{ name: '默认' }] }]
        const specData = []
        specList.forEach(group => {
          const children = []
          group.valueList.forEach(specValue => {
            children.push({ name: specValue.spec_value })
          })
          specData.push({
            name: group.spec_name,
            list: children
          })
        })
        return specData.length ? specData : defaultData
      },

      // sku组件 开始-----------------------------------------------------------
      openSkuPopup() {
        // console.log("监听 - 打开sku组件")
      },

      closeSkuPopup() {
        // console.log("监听 - 关闭sku组件")
      },

      // 立即购买
      buyNow(selectShop) {
        const app = this
        // 跳转到订单结算页
        app.$navTo('pages/checkout/index', {
          mode: 'sharp',
          activeTimeId: app.active.active_time_id,
          sharpGoodsId: app.goods.sharp_goods_id,
          goodsSkuId: selectShop.goods_sku_id,
          goodsNum: selectShop.buy_num
        })
        // 隐藏当前弹窗
        app.onChangeValue(false)
      }

    }
  }
</script>

<style lang="scss" scoped>

</style>
