<template>
<!--pages/category/category.wxml-->

<view class="container">


<!-- 头部搜索区 -->

  <view class="search-bar">
    <view class="search-box" @tap="toSearchPage">
      <image src="/static/images/icon/search.png" class="search-img"></image>
      <text class="sear-input">搜索您想要的商品</text>
    </view>
  </view>
<!-- 滚动内容区 -->
  <view class="main">
    <!-- 左侧菜单start -->
    <scroll-view scroll-y="true" class="leftmenu">
      <block v-for="(item, index) in categoryList" :key="index">
        <view :class="'menu-item ' + (selIndex==index?'active':'') + ' '" :data-index="index" :data-id="item.categoryId" @tap="onMenuTab">
          {{item.categoryName}}
        </view>
      </block>
    </scroll-view>
    <!-- 左侧菜单end -->

    <!-- 右侧内容start -->
    <scroll-view scroll-y="true" class="rightcontent">
    <!-- <block wx:for='{{ productList}}' wx:key=''> -->
      <view class="adver-map">
        <view class="item-a">
            <image :src="categoryImg" mode="widthFix"></image>
        </view>
      </view>
      <view v-if="productList.length" class="cont-item">
        <block v-for="(item, index) in productList" :key="index">
          <view class="show-item" @tap="toProdPage" :data-prodid="item.prodId">
            <view class="more-prod-pic">
              <image :src="item.pic" class="more-pic" mode="widthFix"></image>
            </view>
            <view class="prod-text-right">
              <view class="prod-text more">{{item.prodName}}</view>
              <view class="cate-prod-info">{{item.brief}}</view>
              <view class="prod-price more">
                <text class="symbol">￥</text> <text class="big-num">{{wxs.parsePrice(item.price)[0]}}</text><text class="small-num">.{{wxs.parsePrice(item.price)[1]}}</text> 
              </view>
            </view>
          </view>
         
        </block>
      </view>
      <view v-if="!productList.length" class="cont-item empty">该分类下暂无商品</view>
     <!-- </block> -->
    </scroll-view>
    <!-- 右侧内容end -->
    <!-- </block> -->
  </view>

</view>
</template>

<script module="wxs" lang="wxs" src="../../wxs/number.wxs"></script>

<script>
// pages/category/category.js
var http = require("../../utils/http.js");
var config = require("../../utils/config.js");

export default {
  data() {
    return {
      selIndex: 0,
      categoryList: [],
      productList: [],
      categoryImg: '',
      prodid: ''
    };
  },

  components: {},
  props: {},

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var ths = this; //加载分类列表

    var params = {
      url: "/category/categoryInfo",
      method: "GET",
      data: {
        parentId: ''
      },
      callBack: function (res) {
        // console.log(res);
        ths.setData({
          categoryImg: res[0].pic,
          categoryList: res
        });
        ths.getProdList(res[0].categoryId);
      }
    };
    http.request(params);
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {},

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {},

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {},

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {},

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {},

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {},

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {},
  methods: {
    /**
     * 分类点击事件
     */
    onMenuTab: function (e) {
      console.log(e);
      var id = e.currentTarget.dataset.id;
      var index = e.currentTarget.dataset.index; // this.getProdList(id);

      this.getProdList(this.categoryList[index].categoryId);
      this.setData({
        categoryImg: this.categoryList[index].pic,
        selIndex: index
      });
    },
    // 跳转搜索页
    toSearchPage: function () {
      uni.navigateTo({
        url: '/pages/search-page/search-page'
      });
    },

    getProdList(categoryId) {
      //加载分类列表
      var params = {
        url: "/prod/pageProd",
        method: "GET",
        data: {
          categoryId: categoryId
        },
        callBack: res => {
          // console.log(res);
          this.setData({
            productList: res.records
          });
        }
      };
      http.request(params);
    },

    //跳转商品详情页
    toProdPage: function (e) {
      var prodid = e.currentTarget.dataset.prodid;
      uni.navigateTo({
        url: '/pages/prod/prod?prodid=' + prodid
      });
    }
  }
};
</script>
<style>
@import "./category.css";
</style>