
<template>
  <view>
    <view class="quan"
          @click.stop="goCart">
      <img :src="smallCarLength>0?cart:cartEmpty"
           alt="">
      <view class="qiu"
            v-show="smallCarLength > 0">{{ smallCarLength }}</view>

    </view>
    <u-popup
      :show="downShow"
      mode="bottom"
      closeOnClickOverlay
      closeable
      round="10"
      @close="close"
    >
      <view class="title">{{ '购物车' }}</view>
      <cartBtmList ref="cartBtmList" @orderCallBack="orderCallBack"></cartBtmList>
    </u-popup>
  </view>
</template>

<script>
import { mapGetters, mapActions } from 'vuex'
import cartBtmList from '@/components/cartBtmList.vue'

export default {
  props: {
    carLength: {
      type: Number | String,
      default: 0,
    },
    specialArea: {
      type: Number | String,
      default: 1,
    },
  },
  components: {
    cartBtmList,
  },
  data() {
    return {
      downShow: false,
      cart: require('@/static/images/cart-not-empty.png'),
      cartEmpty: require('@/static/images/cart-empty.png'),
    }
  },
  computed: {
    ...mapGetters(['smallCarLength']),
  },
  created() {
    this.getCar()
  },
  methods: {
    close() {
      this.downShow = false
      this.getCar()
    },
    
    getCar() {
      this.$store.dispatch('getCarLength', this.specialArea)
    },
    goCart() {
      this.downShow = true
      this.$nextTick(() => {
        this.$refs.cartBtmList.getCarList(this.specialArea)
      })
      // uni.switchTab({ url: '/pages/shoppingCar/index' })
    },
    orderCallBack() {
      this.close()
    },
  },
}
</script>

<style lang="scss" scoped>
.title {
  font-size: 40rpx;
  text-align: center;
  margin: 20rpx auto;
  color: #333;
  font-weight: bold;
}
.quan {
  position: absolute;
  right: 24rpx;
  bottom: 33%;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0px 2px 20px 0px rgba(204, 204, 204, 1);
  width: 100rpx;
  height: 100rpx;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
  img {
    width: 60rpx;
    height: 60rpx;
    position: relative;
  }
  .qiu {
    position: absolute;
    width: 30rpx;
    height: 30rpx;
    background: #e03030;
    border-radius: 50%;
    color: #fff;
    text-align: center;
    line-height: 30rpx;
    right: 0;
    top: -10rpx;
    font-size: 10px;
  }
}
::v-deep .u-popup__content {
  overflow: hidden;
}
</style>