<template>
  <view class="container">
    <!-- 搜索 -->
    <view class="search">
      <view class="search-wrapper">
        <view class="index-search">
          <view class="index-cont-search t-c">
            <text class="search-icon iconfont icon-search"></text>
            <text class="search-text">
              <input type="text" placeholder="请输入搜索关键字" v-model="searchValue">
            </text>
            <button class="search-text-bu" @click="onSearch">搜索</button>
          </view>
        </view>
      </view>
    </view>
    <view class="order">
      <view v-for="items in tabText" class="tab_text" :class="{tab_link : items.value === targetTab}"
            @click="changeTab(items.value)">{{ items.title }}
      </view>
    </view>
    <view class="glistzone">
      <view class="diy-goods">
        <view class="goods-list display__list column__2">
          <mescroll-body ref="mescrollRef" :sticky="true" @init="mescrollInit" :down="{ native: true }"
                         @down="downCallback" :up="upOption" @up="upCallback">
            <view class="goods-item" v-for="(dataItem, index) in gdlist.data" :key="index"
                  @click="onTargetGoods(dataItem.goods_islicode)">
              <!-- 多列商品 -->
              <block>
                <!-- 标的图片 -->
                <view class="goods-image">
                  <image class="image" mode="aspectFill" :src="dataItem.gdimg"></image>
                </view>
                <view class="detail">
                  <!-- 标的标题 -->
                  <view class="goods-name">
                    <text class="twoline-hide">{{ dataItem.goods_name }}</text>
                  </view>
                  <!-- 标的价格 && 销量-->
                  <view class="detail-price oneline-hide">
                    <text class="goods-price f-30 col-m">￥ {{ dataItem.price }}</text>
                    <text class="sale-count col-9 f-24">销量：{{ dataItem.sale_count }}</text>
                  </view>
                  <!-- 标的所有者的信息 -->
                  <view class="detail-owner oneline-hide">
                    <text class="oneline-hide"> {{ dataItem.username }}</text>
                  </view>

                </view>
              </block>

            </view>
          </mescroll-body>
        </view>
      </view>

    </view>
  </view>
</template>

<script>
// 滚动加载
import MescrollBody from '@/components/mescroll-uni/mescroll-body.vue'
import MescrollMixin from '@/components/mescroll-uni/mescroll-mixins'
import {getEmptyPaginateObj, getMoreListData} from '@/core/app'
import { base64ToUint8Array,numberWithCommas } from '@/utils/util'
import * as Api from '@/api/page'
import * as Gapi from '@/api/goods'
import pako from '@/core/pako'

// 每页记录数量
const pageSize = 10

export default {
  components: {
    MescrollBody, // 滚动标签
  },
  mixins: [MescrollMixin],
  data() {
    return {
      searchValue: '',
      tabText: [
        {
          title: '上新排序',
          value: 1
        },
        {
          title: '销量排序',
          value: 2
        },
        {
          title: '价格排序',
          value: 3
        },
      ],
      targetTab: 1,
      // 上拉加载配置
      upOption: {
        // 首次自动执行
        auto: true,
        // 每页数据的数量; 默认10
        page: {size: pageSize},
        // 数量要大于4条才显示无更多数据
        noMoreSize: 4,
        // 空布局
        empty: {
          tip: '暂无记录'
        }
      },
      gdlist: getEmptyPaginateObj(),
    };
  },
  methods: {
    // 搜索
    async onSearch() {
      await this.getHomeList(1)
      await this.getHomeListImage()
    },
    // 切换tab
    async changeTab(val) {
      this.targetTab = val
      await this.getHomeList(1)
      await this.getHomeListImage()
    },
    /**
     * 上拉加载的回调 (页面初始化时也会执行一次)
     * 其中page.num:当前页 从1开始, page.size:每页数据条数,默认10
     * @param {Object} page
     */
    async upCallback(page) {
      const app = this
      // 设置列表数据
      await app.getHomeList(page.num)
          .then(list => {
            const curPageLen = list.data.length
            const totalSize = list.data.total
            app.mescroll.endBySize(curPageLen, totalSize)
          })
          .catch(() => app.mescroll.endErr())
      // 标的列表
      await app.getHomeListImage()
    },
    //商品列表
    getHomeList(pageNo = 1) {
      const app = this
      // 必须的字段
      let stimestamp = new Date().getTime()
      // promise 方式
      return new Promise((resolve, reject) => {
        let rqdata = {"pay_type": 2, "goods_status": 1, "page": pageNo, "limit": pageSize}
        rqdata.record_type = 1
        if (app.searchValue != '') {
          rqdata.goods_name = app.searchValue
        }
        if (app.targetTab == 2) {
          rqdata.order_type = 'sale'
        } else if (app.targetTab == 3) {
          rqdata.order_type = 'price'
          rqdata.order = 'asc'
        }
        // 获取列表
        Gapi.nbgoods(rqdata)
            .then(res => {
              // 合并新数据
              const newList = app.initList(res.data)
              app.gdlist.data = getMoreListData(newList, app.gdlist, pageNo)
              resolve(newList)
            })
      })
    },
    // 初始化订单列表数据
    initList(newList) {
      newList.data.forEach(item => {
        // 处理价格表现形式
        item.price = numberWithCommas(item.price)
        item.gdimg = item.goods_image === "" ? '' : pako.inflateRaw(base64ToUint8Array(item.goods_image), {to: 'string'})
      })
      return newList
    },
    async getHomeListImage() {
		uni.hideLoading()
      this.gdlist.data.forEach((item, key) => {
        if (item.goods_image === "") {
          Gapi.nbgoodsImage({"id": item.id}).then(res2 => {
            if (res2.code === 200) {
              this.gdlist.data[key].goods_image = res2.data.data[0].goods_image;
              this.gdlist.data[key].gdimg = pako.inflateRaw(base64ToUint8Array(res2.data.data[0].goods_image), {to: 'string'})
            }
          })
        }
      })
    },
    /**
     * 跳转商品详情页
     */
    onTargetGoods(gislicode) {
      this.$navTo('pages/goods/detail', {gislicode})
    },
  }
}
</script>

<style lang="scss" scoped>

.container {

  position: relative;
  min-height: 100vh;
  background-color: #efefef;

  // 搜索
  .search {
    position: fixed;
    float: top;
    top: var(--window-top);
    left: var(--window-left);
    right: var(--window-right);
    z-index: 19;

    .search-wrapper {
      background: #1c223b;
      padding: 0rpx 20rpx 20rpx 20rpx;
    }

    .index-search {
      border-bottom: 0;
      background: #fff;
      border-radius: 50rpx;
      overflow: hidden;
      font-size: 28rpx;
      color: #6d6d6d;
      box-sizing: border-box;
      height: 74rpx;
      line-height: 74rpx;

      .index-cont-search {
        width: 100%;
        font-size: 28rpx;
        background: #f7f7f7;
        display: flex;
        justify-content: center;
        align-items: center;

        .search-icon {
          font-size: 34rpx;
          margin-left: 50rpx;
        }

        .search-text {
          text-align: left;
          float: left;
          margin-left: 20rpx;
          width: 100%;

          input {
            font-size: 20rpx;
          }
        }
        .search-text-bu {
          margin-right: 20rpx;
          color: #ffffff;
          background-color: #1c223b;
          font-size: 20rpx;
          width: 120rpx;
          height: 50rpx;
          text-align: center;
          border-radius: 50rpx;
        }
      }
    }
  }

  .order {
    display: flex;
    padding: 110rpx 10rpx 20rpx;
    margin-left: -55rpx;
    z-index: 65;

    .tab_text {
      display: inline-block;
      color: #1b223b;
      font-size: 30rpx;
      margin-left: 80rpx;
    }

    .tab_link {
      border-bottom: 1rpx #1b223b solid;
    }
  }

  // goods
  .glistzone{
    padding: 4rpx;
  }

  .diy-goods {
    .goods-list {
      padding: 4rpx;
      box-sizing: border-box;
      margin-top: -20rpx;

      .goods-item {
        // background-color: #fff;
        box-sizing: border-box;
        padding: 16rpx;

        .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;
          border-radius: 0 0 6% 6%;
          box-shadow: #333 2rpx 3rpx 2rpx;

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

          .detail-price {
            .goods-price {
              font-weight: 800;
              margin-right: 8rpx;
            }

            .sale-count {
              maring-left:20rpx;
              font-size: 18rpx;
            }
          }

          .detail-owner{
            padding: 4rpx;
            font-size: 22rpx;
            color: #999;
            margin-left: 10rpx;
          }

        }
      }

      &.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: #f03c3c;
            font-size: 30rpx;
          }

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


</style>
