<template>
  <div class="detail">
    <div class="goods-img">
      <u-swiper :list="list" mode="none" img-mode="aspectFit" height="750" bg-color="#fff"></u-swiper>
    </div>
    <div class="goods-title">{{goodsInfo.merchandiseName}}</div>
    <div class="goods-point">
      <h3>{{goodsInfo.merchandiseIntegral}}<span>积分</span></h3>
      <div>库存{{goodsInfo.merchandiseNumber}}</div>
    </div>
    <div class="goods-btn status-lack">
      <div class="text">积分余额:{{userIntegral}}</div>
      <div class="btn" @click="toOrder()" v-if="goodsInfo.status == 0 && userIntegral >= goodsInfo.merchandiseIntegral">立即兑换</div>
      <div class="btn lack-btn" v-if="goodsInfo.status == 0 && userIntegral < goodsInfo.merchandiseIntegral">积分不足</div>
      <div class="btn lack-btn" v-if="goodsInfo.status != 0">缺货</div>
    </div>
  </div>
</template>

<script>
import {mapState} from "vuex";

export default {
  name: 'detail',
  data() {
    return {
      list: [],
      userIntegral: '',
      id: '',
      goodsInfo: {}
    }
  },
  computed: {
    ...mapState(['user']),
  },
  onLoad(option) {
    this.userIntegral = option.userIntegral
    this.id = option.id
    this.getDetail()
  },
  onShow() {
    document.title = '商品详情'
  },
  methods: {
    toOrder() {
      uni.navigateTo({url:`./order?userIntegral=${this.userIntegral}&id=${this.id}`})
    },
    getDetail() {
      this.$http.post(`/app/appintegralmerchandise/queryDetailById?id=${this.id}`).then((res) => {
        if (res.code == 0) {
          this.goodsInfo = res.data
          this.list = [{image: res.data.imageUrl}]
        }
      })
    },
  },
}
</script>

<style lang="scss" scoped>
uni-page-body {
  background-color: #fff;
}
.detail {
  .goods-img {
    width: 100%;
  }
  .goods-title {
    padding: 32px;
    font-family: PingFangSC-Medium;
    font-weight: 500;
    font-size: 32px;
    color: #333;
    word-break: break-all;
  }
  .goods-point{
    display: flex;
    justify-content: space-between;
    padding: 0 32px;
    h3 {
      line-height: 60px;
      font-family: PingFangSC-SNaNpxibold;
      font-weight: 600;
      font-size: 44px;
      color: #FF6900;
      span {
        font-family: PingFangSC-Medium;
        font-weight: 500;
        font-size: 24px;
      }
    }
    div {
      font-family: PingFangSC-Regular;
      font-size: 26px;
      color: #999;
    }
  }
  .goods-btn {
    width: 100%;
    height: 112px;
    line-height: 112px;
    background: #FFF;
    border-top: 1px solid #ddd;
    position: fixed;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 32px;
    box-sizing: border-box;
    .text {
      font-family: PingFangSC-Regular;
      font-size: 28px;
      color: #CA906A;
    }
    .btn {
      height: 80px;
      line-height: 80px;
      width: 224px;
      text-align: center;
      background-image: linear-gradient(90deg, #FFA044 0%, #FF8436 100%);
      border-radius: 52px;
      font-family: PingFangSC-Medium;
      font-weight: 500;
      font-size: 32px;
      color: #FFF;
      margin-top: 16px;
    }
    .lack-btn {
      background-image: linear-gradient(90deg, #ddd 0%, #ddd 100%);
    }
  }
}
</style>
