<template>
  <div class="wrapper">
    <div class="item-detail-show">
      <!-- 详情左侧展示数据、图片，收藏、举报 -->
      <div class="item-detail-left">
        <!-- 大图、放大镜 -->
        <div class="item-detail-big-img">
          <pic-zoom :url="imgList[imgIndex].url" :scale="2"></pic-zoom>
        </div>
        <div class="item-detail-img-row">
          <div
            class="item-detail-img-small"
            @mouseover="imgIndex = index"
            v-for="(item, index) in imgList"
            :key="index"
          >
            <img :src="item.url" />
          </div>
        </div>

        <div class="goodsConfig mt_10">
          <span @click="collect" ><Icon type="ios-heart" :color="isCollected ? '#ed3f14' : '#666'" />{{isCollected?'已收藏':'收藏'}}</span>
        </div>
      </div>
      <!-- 右侧商品信息、活动信息、操作展示 -->
      <div class="item-detail-right">
        <div class="item-detail-title">
          <p>
            {{ skuDetail.goodsName }}
          </p>
        </div>
        <!-- 限时秒杀 -->
        <Promotion v-if="promotionMap['SECKILL']" :time="promotionMap['SECKILL'].endTime"></Promotion>
        <!-- 商品详细 价格、优惠券、促销 -->
        <div class="item-detail-price-row">
          <div class="item-price-left">
            <!-- 商品原价 -->
            <div class="item-price-row" v-if="!skuDetail.promotionPrice">
              <p>
                <span class="item-price-title">价 &nbsp;&nbsp;&nbsp;&nbsp;格</span>
                <span class="item-price">{{skuDetail.price | unitPrice("￥")}}</span>
              </p>
            </div>
            <!-- 秒杀价格 -->
            <div class="item-price-row" v-if="skuDetail.promotionPrice">
              <p>
                <span class="item-price-title" v-if="promotionMap['SECKILL']">秒 &nbsp;杀&nbsp;价</span>
                <span class="item-price">{{skuDetail.promotionPrice | unitPrice("￥")}}</span>
                <span class="item-price-old">{{skuDetail.price | unitPrice("￥")}}</span>
              </p>
            </div>
            <!-- 优惠券展示 -->
            <div class="item-price-row"  v-if="promotionMap['COUPON'].length">
              <p>
                <span class="item-price-title">优 惠 券</span>
                <span
                  class="item-coupon"
                  v-for="(item, index) in promotionMap['COUPON']"
                  :key="index"
                  @click="receiveCoupon(item.id)"
                  >
                  <span v-if="item.couponType == 'PRICE'">满{{ item.consumeThreshold }}减{{item.price}}</span>
                  <span v-if="item.couponType == 'DISCOUNT'">满{{ item.consumeThreshold }}打{{item.couponDiscount}}折</span>
                  </span>
              </p>
            </div>
             <!-- 满减展示 -->
            <div class="item-price-row" v-if="promotionMap['FULL_DISCOUNT']">
              <p>
                <span class="item-price-title">促&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;销</span>
                <span class="item-promotion">满减</span>
                <span class="item-desc-pintuan" v-if="promotionMap['FULL_DISCOUNT'].fullMinus">满{{ promotionMap['FULL_DISCOUNT'].fullMoney }}元，立减现金{{ promotionMap['FULL_DISCOUNT'].fullMinus}}元</span>
                <span class="item-desc-pintuan" v-if="promotionMap['FULL_DISCOUNT'].fullRate">满{{ promotionMap['FULL_DISCOUNT'].fullMoney }}元，立享{{ promotionMap['FULL_DISCOUNT'].fullRate}}折</span>
              </p>
            </div>
          </div>
          <div class="item-price-right">
            <div class="item-remarks-sum">
              <p>累计评价</p>
              <p>
                <span class="item-remarks-num">{{ skuDetail.commentNum || 0 }} 条</span>
              </p>
            </div>
          </div>
        </div>
        <!-- 选择颜色 -->
        <div class="item-select" v-for="(sku, index) in formatList" :key="sku.id">
          <div class="item-select-title">
            <p>{{ sku.name }}</p>
          </div>
          <div class="item-select-column">
            <div class="item-select-row" v-for="(item) in sku.values" :key="item.id">
              <div class="item-select-box" @click="select(index, sku.id, item.id)"
                :class="{ 'item-select-box-active': item.id === currentSelceted[index] }"
              >
                <div class="item-select-intro">
                  <p>{{ item.value }}</p>
                </div>
              </div>
            </div>
          </div>
        </div>
        <br />
        <div class="add-buy-car-box">
          <div class="item-select">
            <div class="item-select-title">
              <p>数量</p>
            </div>
            <div class="item-select-row">
              <InputNumber :min="1" :disabled="skuDetail.quantity === 0" v-model="count"></InputNumber>
              <span class="inventory"> 库存{{skuDetail.quantity}}</span>
            </div>
          </div>
          <div class="item-select">
            <div class="item-select-title">
              <p>重量</p>
            </div>
            <div class="item-select-row">
              <span class="inventory"> {{skuDetail.weight}}kg</span>
            </div>
          </div>
          <div class="add-buy-car" v-if="$route.query.way === 'POINT'">
            <Button type="error" :loading="loading" :disabled="skuDetail.quantity === 0" @click="pointPay">积分购买</Button>
          </div>
          <div class="add-buy-car" v-else>
            <Button type="error" :loading="loading" :disabled="skuDetail.quantity === 0" @click="addShoppingCartBtn">加入购物车</Button>
            <Button type="warning" :loading="loading1" :disabled="skuDetail.quantity === 0" @click="buyNow">立即购买</Button>
          </div>
          
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import Promotion from './Promotion.vue';
import PicZoom from 'vue-piczoom'; // 图片放大 https://github.com/826327700/vue-piczoom
import { collectGoods, isCollection, receiveCoupon, cancelCollect } from '@/api/member.js';
import { addCartGoods } from '@/api/cart.js';
export default {
  name: 'ShowGoods',
  props: {
    detail: {
      type: Object,
      default: null
    }
  },
  data () {
    return {
      count: 1, // 商品数量
      imgIndex: 0, // 展示图片下标
      currentSelceted: [], // 当前商品sku
      imgList: this.detail.data.specList[0].specImage, // 商品图片列表
      skuDetail: this.detail.data, // sku详情
      goodsSpecList: this.detail.specs, // 商品spec
      promotionMap: { // 活动状态
        SECKILL: null,
        FULL_DISCOUNT: null,
        COUPON: []
      }, // 促销活动
      formatList: [], // 选择商品品类的数组
      loading: false, // 立即购买loading
      loading1: false, // 加入购物车loading
      isCollected: false // 是否收藏
    };
  },
  components: {
    PicZoom,
    Promotion
  },
  methods: {
    select (index, id, valueId) { // 选择规格
      this.$set(this.currentSelceted, index, valueId);

      let selectedSkuId = this.goodsSpecList.find((i) => {
        let matched = true;
        let specValues = i.specValues.filter((j) => j.specName !== 'images');
        for (let n = 0; n < specValues.length; n++) {
          if (specValues[n].specValueId !== this.currentSelceted[n]) {
            matched = false;
            return;
          }
        }
        if (matched) {
          return i;
        }
      });
      console.log(selectedSkuId);
      this.$router.push({
        path: '/goodsDetail',
        query: { skuId: selectedSkuId.skuId, goodsId: this.skuDetail.goodsId }
      });
    },

    addShoppingCartBtn () { // 添加购物车
      const params = {
        num: this.count,
        skuId: this.skuDetail.id
      };
      this.loading = true;
      addCartGoods(params).then(res => {
        this.loading = false;
        if (res.success) {
          this.$router.push({path: '/shoppingCart', query: {detail: this.skuDetail, count: this.count}});
        } else {
          this.$Message.warning(res.message);
        }
      });
    },
    buyNow () { // 立即购买
      const params = {
        num: this.count,
        skuId: this.skuDetail.id,
        cartType: 'BUY_NOW'
      };
      this.loading1 = true;
      addCartGoods(params).then(res => {
        this.loading1 = false;
        if (res.success) {
          this.$router.push({path: '/pay', query: {way: 'BUY_NOW'}});
        } else {
          this.$Message.warning(res.message);
        }
      });
    },
    pointPay () { // 积分购买
      const params = {
        num: this.count,
        skuId: this.skuDetail.id,
        cartType: 'BUY_NOW'
      };
      this.loading1 = true;
      addCartGoods(params).then(res => {
        this.loading1 = false;
        if (res.success) {
          this.$router.push({path: '/pay', query: {way: 'POINT'}});
        } else {
          this.$Message.warning(res.message);
        }
      });
    },
    async collect () { // 收藏商品
      if (this.isCollected) {
        let cancel = await cancelCollect('GOODS', this.skuDetail.id)
        if (cancel.success) {
          this.$Message.success('取消收藏成功')
          this.isCollected = false
        }
      } else {
        let collect = await collectGoods('GOODS', this.skuDetail.id);
        if (collect.code === 200) {
          this.isCollected = true;
          this.$Message.success('收藏商品成功,可以前往个人中心我的收藏查看');
        }
      }
    },
    formatSku (list) {
      // 格式化数据

      let arr = [{}];

      list.forEach((item, index) => {
        item.specValues.forEach((spec, specIndex) => {
          let id = spec.specNameId;
          let name = spec.specName;
          let values = {
            id: spec.specValueId,
            value: spec.specValue,
            quantity: item.quantity
          };
          if (name === 'images') {
            return;
          }

          arr.forEach((arrItem, arrIndex) => {
            if (
              arrItem.name === name &&
              arrItem.values &&
              !arrItem.values.find((i) => i.id === values.id)
            ) {
              arrItem.values.push(values);
            }

            let keys = arr.map((key) => {
              return key.name;
            });
            if (!keys.includes(name)) {
              arr.push({
                id: id,
                name: name,
                values: [values]
              });
            }
          });
        });
      });
      arr.shift();
      this.formatList = arr;

      let cur = list.filter((i) => i.skuId === this.$route.query.skuId)[0];
      if (cur) {
        cur.specValues.filter((i) => i.specName !== 'images')
          .forEach((value, _index) => {
            this.currentSelceted[_index] = value.specValueId;
          });
      }
      this.skuList = list;
    },
    receiveCoupon (id) { // 领取优惠券
      receiveCoupon(id).then(res => {
        if (res.success) {
          this.$Message.success('优惠券领取成功')
        } else {
          this.$Message.warning(res.message)
        }
      })
    },
    promotion () { // 格式化促销活动，返回当前促销的对象
      let keysArr = Object.keys(this.detail.promotionMap);
      if (keysArr.length === 0) return false;

      for (let i = 0; i < keysArr.length; i++) {
        let key = keysArr[i].split('-')[0]
        if (key === 'COUPON') {
          this.promotionMap[key].push(this.detail.promotionMap[keysArr[i]])
        } else {
          this.promotionMap[key] = this.detail.promotionMap[keysArr[i]]
        }
      }
    }
  },
  mounted () {
    // 用户登录才会判断是否收藏
    if (this.Cookies.getItem('userInfo')) {
      isCollection('GOODS', this.skuDetail.id).then(res => {
        if (res.success && res.result) {
          this.isCollected = true;
        }
      })
    }
    
    this.formatSku(this.goodsSpecList);
    this.promotion()
    document.title = this.skuDetail.goodsName
  }
};
</script>

<style scoped lang="scss">
/******************商品图片及购买详情开始******************/
.item-detail-see {
  width: 175px;
  margin-left: 30px;
}
.inventory {
  padding-left: 4px;
  @include sub_color($light_sub_color);
}

.global_color {
  text-align: center;
}

.see-Img {
  width: 100%;
  height: 175px;
}

.see-Item {
  > p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

.Report {
  color: $theme_color !important;
}

.wrapper {
  @include white_background_color();
}
.item-sale-flex {
  width: 29%;
  padding: 0 3%;
}
.item-sale {
  margin: 10px 0;
  > h3 {
    width: 13%;
    text-align: center;
    font-size: 20px;
    line-height: 60px;
    box-sizing: border-box;
    border-right: 1px solid $border_color;
  }
  height: 60px;
  justify-content: center;
  align-items: center;
  display: flex;
  width: 1200px;
  margin: 0 auto;
  margin-bottom: 10px;
  border: 1px solid $border_color;
  background: #f7f7f7;
}

.item-detail-show {
  width: 1200px;
  margin: 0 auto;
  padding: 30px;
  display: flex;
  flex-direction: row;
}

.item-detail-left {
  width: 350px;
  margin-right: 30px;
}

.item-detail-big-img {
  width: 350px;
  height: 350px;
  box-shadow: 0px 0px 8px $border_color;
  cursor: pointer;
}

.item-detail-big-img img {
  width: 100%;
}

.item-detail-img-row {
  margin-top: 15px;
  display: flex;
}

.item-detail-img-small {
  width: 68px;
  height: 68px;
  box-shadow: 0px 0px 8px #ccc;
  cursor: pointer;
  margin-left: 5px;
}

.item-detail-img-small img {
  height: 100%;
  width: 100%;
}

/*商品选购详情*/
.item-detail-right {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.item-detail-title p {
  @include content_color($light_content_color);
  font-weight: bold;
  font-size: 20px;
  padding: 8px 0;
}

.item-detail-express {
  font-size: 14px;
  padding: 2px 3px;
  border-radius: 3px;
  background-color: $theme_color;
  color: #fff;
}

/*商品标签*/
.item-detail-tag {
  padding: 8px 0;
  font-size: 12px;
  color: $theme_color;
}

/*价格详情等*/
.item-detail-price-row {
  padding: 10px;
  display: flex;
  // width: 555px;
  flex-direction: row;
  justify-content: space-between;
  // @include background_color($light_background_color);
  background: url("../../assets/images/goodsDetail/price-bg.png");
}

.item-price-left {
  display: flex;
  flex-direction: column;
}

.item-price-title {
  color: #999999;
  font-size: 14px;
  margin-right: 15px;
}

.item-price-row {
  margin: 5px 0px;
}

.item-price {
  color: $theme_color;
  font-size: 20px;
  cursor: pointer;
}
.item-price-old {
  color: gray;
  text-decoration: line-through;
  font-size: 14px;
  margin-left: 5px;
}

.item-coupon {
  margin-right: 5px;
  padding: 3px;
  color: $theme_color;
  font-size: 12px;
  background-color: #ffdedf;
  border: 1px dotted $theme_color;
  cursor: pointer;
}
.item-promotion {
  margin-right: 5px;
  padding: 3px;
  color: $theme_color;
  font-size: 12px;
  border: 1px solid $theme_color;
}
.item-remarks-sum {
  padding-left: 8px;
  border-left: 1px solid $border_color;
}

.item-remarks-sum p {
  color: #999999;
  font-size: 12px;
  line-height: 10px;
  text-align: center;
}

.item-remarks-num {
  line-height: 18px;
  color: #005eb7;
}

.item-select {
  display: flex;
  flex-direction: row;
  margin-top: 15px;
}

.item-select-title {
  @include content_color($light_content_color);
  font-size: 14px;
  margin-right: 15px;
  width: 60px;
}

.item-select-column {
  display: flex;
  flex-wrap: wrap;
  flex: 1;
}

.item-select-row {
  // display: flex;
  // flex-direction: row;
  // flex-wrap: wrap;
  margin-bottom: 8px;
}

.item-select-box {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.item-select-img {
  width: 36px;
}

.item-select-box {
  padding: 5px;
  margin-right: 8px;
  @include background_color($light_background_color);
  border: 0.5px solid $border_color;
  cursor: pointer;
  @include content_color($light_content_color);
}

.item-select-box:hover {
  border: 0.5px solid $theme_color;
}

.item-select-box-active {
  border: 0.5px solid $theme_color;
}

.item-select-box-disabled {
  background-color: gray;
}

.item-select-img img {
  width: 100%;
}

.item-select-intro p {
  margin: 0px;
  padding: 5px;
}

.item-select-class {
  padding: 5px;
  margin-right: 8px;
  @include sub_background_color($light_background_color);
  border: 0.5px solid #ccc;
  cursor: pointer;
}

.item-select-class:hover {
  border: 0.5px solid $theme_color;
}

.add-buy-car-box {
  width: 100%;
  margin-top: 15px;
  border-top: 1px dotted $border_color;
}

.add-buy-car {
  margin-top: 15px;
}

.goodsConfig {
  display: flex;
  justify-content: space-between;
  > span {
    padding-right: 10px;
    &:hover{
      cursor: pointer;
      color: $theme_color;
    }
  }
}
/******************商品图片及购买详情结束******************/
</style>