<template>
  <!-- 商品组 -->
  <view class="diy-goods" :style="{ background: itemStyle.background }">
    <view class="goods-list" :class="[`display__${itemStyle.display}`, `column__${itemStyle.column}`]">
      <scroll-view :scroll-x="itemStyle.display === 'slide'">
        <view class="goods-item" v-for="(dataItem, index) in dataList" :key="index" @click="onTargetGoods(dataItem.goods_id)">

          <!-- 单列商品 -->
          <block v-if="itemStyle.column === 1">
            <view class="dis-flex">
              <!-- 商品图片 -->
              <view class="goods-item-left">
                <image class="image" :src="dataItem.goods_image"></image>
              </view>
              <view class="goods-item-right">
                <!-- 商品名称 -->
                <view v-if="itemStyle.show.includes('goodsName')" class="goods-name">
                  <text class="twoline-hide">{{ dataItem.goods_name }}</text>
                </view>
                <view class="goods-item-desc">
                  <!-- 商品卖点 -->
                  <view v-if="itemStyle.show.includes('sellingPoint')" class="desc-selling-point dis-flex">
                    <text class="oneline-hide">{{ dataItem.selling_point }}</text>
                  </view>
                  <!-- 商品销量 -->
                  <view v-if="itemStyle.show.includes('goodsSales')" class="desc-goods-sales dis-flex">
                    <text>已售{{ dataItem.goods_sales }}件</text>
                  </view>
                  <!-- 商品价格 -->
                  <view class="desc-footer">
                    <text v-if="itemStyle.show.includes('goodsPrice')" class="price-x">¥{{ dataItem.goods_price_min }}</text>
                    <text class="price-y col-9"
                      v-if="itemStyle.show.includes('linePrice') && dataItem.line_price_min > 0">¥{{ dataItem.line_price_min }}</text>
                  </view>
                </view>
              </view>
            </view>
          </block>
          <!-- 多列商品 -->
          <block v-else>
            <!-- 商品图片 -->
            <view class="goods-image">
              <image class="image" mode="aspectFill" :src="dataItem.goods_image"></image>
            </view>
            <view class="detail">
              <!-- 商品标题 -->
              <view v-if="itemStyle.show.includes('goodsName')" class="goods-name twoline-hide">
                <text class="twoline-hide">{{ dataItem.goods_name }}</text>
              </view>
              <!-- 商品价格 -->
              <view class="detail-price oneline-hide">
                <text v-if="itemStyle.show.includes('goodsPrice')" class="goods-price f-30 col-m">￥{{ dataItem.goods_price_min }}</text>
                <text v-if="itemStyle.show.includes('linePrice') && dataItem.line_price_min > 0"
                  class="line-price col-9 f-24">￥{{ dataItem.line_price_min }}</text>
              </view>
            </view>
          </block>

        </view>
      </scroll-view>
    </view>
  </view>
</template>

<script>
  export default {
    name: "Goods",
    /**
     * 组件的属性列表
     * 用于组件自定义设置
     */
    props: {
      itemIndex: String,
      itemStyle: Object,
      params: Object,
      dataList: Array
    },

    /**
     * 组件的方法列表
     * 更新属性和数据的方法与更新页面数据的方法类似
     */
    methods: {

      /**
       * 跳转商品详情页
       */
      onTargetGoods(goodsId) {
        this.$navTo(`pages/goods/detail`, { goodsId })
      }

    }

  }
</script>

<style lang="scss" scoped>
  .diy-goods {
    .goods-list {
      padding: 4rpx;
      box-sizing: border-box;

      .goods-item {
        box-sizing: border-box;
        padding: 6rpx;

        .goods-image {
          position: relative;
          width: 100%;
          height: 0;
          padding-bottom: 100%;
          overflow: hidden;
          background: #fff;

          &:after {
            content: '';
            display: block;
            margin-top: 100%;
          }

          .image {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            -o-object-fit: cover;
            object-fit: cover;
          }
        }

        .detail {
          padding: 8rpx;
          background: #fff;

          .goods-name {
            min-height: 68rpx;
            line-height: 1.3;
            white-space: normal;
            color: #484848;
            font-size: 26rpx;
            margin-bottom: 4rpx;
          }

          .detail-price {
            .goods-price {
              margin-right: 8rpx;
            }

            .line-price {
              text-decoration: line-through;
            }
          }
        }
      }

      &.display__slide {
        white-space: nowrap;
        font-size: 0;

        .goods-item {
          display: inline-block;
        }
      }

      &.display__list {
        .goods-item {
          float: left;
        }
      }

      &.column__2 {
        .goods-item {
          width: 50%;
        }
      }

      &.column__3 {
        .goods-item {
          width: 33.33333%;
        }
      }

      &.column__1 {
        .goods-item {
          width: 100%;
          height: 280rpx;
          margin-bottom: 12rpx;
          padding: 20rpx;
          box-sizing: border-box;
          background: #fff;
          line-height: 1.6;

          &:last-child {
            margin-bottom: 0;
          }
        }

        .goods-item-left {
          display: flex;
          width: 40%;
          background: #fff;
          align-items: center;

          .image {
            display: block;
            width: 240rpx;
            height: 240rpx;
          }
        }

        .goods-item-right {
          position: relative;
          width: 60%;

          .goods-name {
            margin-top: 20rpx;
            min-height: 68rpx;
            line-height: 1.3;
            white-space: normal;
            color: #484848;
            font-size: 26rpx;
          }
        }

        .goods-item-desc {
          margin-top: 8rpx;
        }

        .desc-selling-point {
          width: 400rpx;
          font-size: 24rpx;
          color: #e49a3d;
        }

        .desc-goods-sales {
          color: #999;
          font-size: 24rpx;
        }

        .desc-footer {
          font-size: 24rpx;

          .price-x {
            margin-right: 16rpx;
            color: $main-bg;
            font-size: 30rpx;
          }

          .price-y {
            text-decoration: line-through;
          }
        }
      }
    }
  }
</style>