<template>
  <div class="rabattBox sub-main">
    <!-- 根据路由传参type 渲染店铺 -->
    <ActivitySlot class="activityRabatt" :img-title="imgTitle">
      <!-- 顶部标题填充内容 -->
      <template #title>
        <div v-if="flag && $route.query.shopId || !$route.query.shopId" class="title">
          <span v-if="$route.query.shopId && !ifPreheat" class="glodTxt">
            活动结束倒计时
          </span>
          <span v-if="$route.query.shopId && ifPreheat" class="glodTxt">
            活动开始倒计时
          </span>
          <span v-if="!$route.query.shopId && sessionList[idInx] && sessionList[idInx].type === 1" class="glodTxt">
            {{ sessionList[idInx].startTime }} 场结束倒计时
          </span>
          <span v-if="!$route.query.shopId && sessionList[idInx] && !sessionList[idInx].type" class="glodTxt">
            {{ sessionList[idInx].startTime }} 场开始倒计时
          </span>
          <div class="timeBox">
            <div class="hour bc">{{ time | formatHours }}</div>
            <div class="after">:</div>
            <div class="min bc">{{ time | formatMinutes }}</div>
            <div class="after">:</div>
            <div class="sec bc">{{ time | formatSeconds }}</div>
          </div>
        </div>
      </template>
      <template #section>
        <div v-if="!$route.query.shopId" class="timeList" :class="sessionList.length > 4 ? 'long' : ''">
          <div
            v-for="(item, index) in sessionList" :key="index" class="time" :class="index === idInx ? 'start' : ''"
            @click="changeSession(index)"
          >
            {{ item.startTime }}&emsp;{{ item.type === 1 ? '抢购中' : item.type === 2 ? '已结束' : '未开始' }}
          </div>
        </div>
        <div v-if="flag" v-loading="loadingList" class="rabattList">
          <div v-for="item in proList" :key="item.productId" class="item">
            <ItemSlot :data="item" @toDetail="toProductDetail(item)">
              <template v-if="item.limitStockNumber" #extra>
                <div class="progress">
                  <span>限量{{ item.limitStockNumber }}件</span>
                  <el-progress
                    color="#C83732" :show-text="false" :stroke-width="26"
                    :percentage="(item.limitStockNumber / item.limitNumber) * 100"
                  ></el-progress>
                </div>
              </template>
              <template #icon>
                <icon-svg style="font-size:57px;" icon-class="activity-miaosha" />
              </template>
              <template v-if="sessionList.length" #button>
                <button
                  class="buy"
                  :class="sessionList[idInx].type === 1 ? 'butNow' : sessionList[idInx].type === 2 ? 'buyNot' : 'buyWill'"
                  @click="toProductDetail(item)"
                >
                  {{ sessionList[idInx].type === 1 ? '立即抢购' : sessionList[idInx].type === 2 ? '已结束' : '未开始' }}
                </button>
              </template>
              <template v-else #button>
                <button class="buy" :class="ifPreheat ? 'buyWill' : 'butNow'" @click="toProductDetail(item)">
                  {{ ifPreheat ? '未开始' : '立即抢购' }}
                </button>
              </template>
            </ItemSlot>
          </div>
        </div>
        <div v-else class="noproduct">
          <icon-svg style="width: 240px; height: 240px; margin-bottom: 20px;" icon-class="user-order-nodata" />
          <p class="fs20 font-color-999">该活动没有商品～</p>
        </div>
      </template>
    </ActivitySlot>
    <el-pagination
      v-if="flag" style="margin-bottom:20px;" background layout="prev, pager, next, jumper"
      :page-size="pageSize" :current-page="page" :total="total" @current-change="changePage"
    >
    </el-pagination>
  </div>
</template>

<script>
import ActivitySlot from '@/components/activity/activitySlot.vue'
import ItemSlot from '@/views/promotions/components/itemSlot.vue'

import {
  getSeckill,
  getSeckillIndex,
  getSeckillTime
} from '@/api/Activity/ActivitySeckill.js'
export default {
  name: 'Rabatt',
  components: { ActivitySlot, ItemSlot },
  filters: {
    formatHours(value) {
      const hours = Math.floor(value / (1000 * 60 * 60))
      if (hours < 10 && hours > 0) {
        return '0' + hours
      } else if (hours > 10) {
        return hours
      }
      return '00'
    },
    formatMinutes(value) {
      const minutes = Math.floor((value % (1000 * 60 * 60)) / (1000 * 60))
      if (minutes < 10 && minutes > 0) {
        return '0' + minutes
      } else if (minutes > 10) {
        return minutes
      }
      return '00'
    },
    formatSeconds(value) {
      const seconds = Math.round((value % (1000 * 60)) / 1000)
      if (seconds < 10 && seconds > 0) {
        return '0' + seconds
      } else if (seconds > 10) {
        return seconds
      }
      return '00'
    }
  },
  data() {
    return {
      imgTitle: 'static/image/activity/rabattTitle.webp',
      page: 1,
      pageSize: 12,
      total: 0,
      ids: '',
      shopId: '',
      proList: [],
      loadingList: false,
      time: '',
      setTime: null,
      limitNumber: null,
      ifPreheat: false, // 是否预热
      // shopName: '',
      // shopLogo: '',
      value: 1,
      type: '',
      volume: '',
      index: '1',
      flag: true,
      idInx: 0,
      sessionList: [],
      session: ''
    }
  },
  mounted() {
    if (this.$route.query.ids) {
      this.ids = this.$route.query.ids
    }
    if (this.$route.query.shopId) {
      this.shopId = this.$route.query.shopId
      this.getSeckill()
    } else {
      this.getSeckills()
    }
  },
  beforeDestroy() {
    // 离开页面清除定时器
    clearInterval(this.setTime)
  },
  methods: {
    // 倒计时
    countDown() {
      clearInterval(this.setTime)
      this.setTime = setInterval(() => {
        if (this.time < 1000) {
          clearInterval(this.setTime)
          return alert('活动已结束')
        }
        this.time -= 1000
      }, 1000)
    },
    // 跳转到商品详情
    toProductDetail(item) {
      const data = {
        productId: item.productId,
        shopId: item.shopId,
        skuId: item.skuId
      }
      this.$router.push({
        path: '/productDetail',
        query: {
          proData: JSON.stringify(data)
        }
      })
    },
    // 获取平台秒杀专区列表
    async getPlatformSeckills() {
      if (!this.sessionList[this.idInx]) {
        this.flag = false
        return
      }
      const response = await getSeckill({
        page: this.page,
        pageSize: this.pageSize,
        session: this.sessionList[this.idInx].startTime
      })
      const res = response.data
      if (res.code === '200') {
        this.proList = res.data.list
        this.total = res.data.total
        if (res.data.list.length) {
          this.flag = true
        } else {
          this.flag = false
        }
      }
    },
    // 获取秒杀专区列表
    async getSeckill() {
      this.loadingList = true
      const params = {
        shopId: this.shopId,
        shopSeckillId: this.ids[0] || this.ids,
        page: this.page,
        pageSize: this.pageSize
      }
      if (this.ids === '') {
        params.volume = this.volume
        params.type = this.type
      }
      const response = await getSeckillIndex(params)
      const res = response.data
      if (res.code === '200') {
        this.ifPreheat = res.data.state !== 1
        this.proList = res.data.page.list
        this.total = res.data.page.total
        this.time = this.ifPreheat ? res.data.enableTime : res.data.time
        this.limitNumber = res.data.limitNumber
        if (res.data.page.list.length) {
          this.flag = true
        } else {
          this.flag = false
          this.time = 0
        }
        if (this.ids !== '' && this.flag) {
          this.countDown()
        }
        // this.shopName = res.data.shopName
        // this.shopLogo = res.data.shopLogo
      } else {
        this.$message.warning(res.message)
      }
      this.loadingList = false
    },
    // 切换活动
    changeSession(index) {
      this.idInx = index
      this.page = 1
      if (this.sessionList[this.idInx].type === 1) { // 抢购中
        this.time = new Date(this.sessionList[this.idInx].endTime).getTime() - new Date().getTime()
      }
      if (!this.sessionList[this.idInx].type) { // 未开始
        this.time = new Date(this.sessionList[this.idInx].startTime).getTime() - new Date().getTime()
      }
      if (this.time > 0) {
        this.countDown()
      } else {
        this.time = 0
      }
      this.getPlatformSeckills()
    },
    // 获取活动时间段
    async getSeckills() {
      const response = await getSeckillTime()
      const res = response.data
      if (res.code === '200') {
        // type: 0 未开始    1抢购中   2已结束
        this.sessionList = res.data.map((item) => {
          const [startTime, endTime] = item.split('|')
          const timesStart = new Date(startTime).getTime() - new Date().getTime() > 0 ? 0 : 1
          const timesEnd = new Date(endTime).getTime() - new Date().getTime() > 0 ? 0 : 1
          return {
            startTime,
            endTime,
            type: timesStart && !timesEnd ? 1 : timesStart && timesEnd ? 2 : 0
          }
        })
        console.log(this.sessionList)
        if (this.sessionList[this.idInx] && this.sessionList[this.idInx].type === 1) { // 抢购中
          this.time = new Date(this.sessionList[this.idInx].endTime).getTime() - new Date().getTime()
        }
        if (this.sessionList[this.idInx] && !this.sessionList[this.idInx].type) { // 未开始
          this.time = new Date(this.sessionList[this.idInx].startTime).getTime() - new Date().getTime()
        }
        if (this.time > 0) {
          this.countDown()
        } else {
          this.time = 0
        }
        this.getPlatformSeckills()
      } else {
        this.$message.warning(res.message)
      }
    },
    // 翻页
    changePage(val) {
      this.page = val
      this.getSeckill()
    },
    // 默认
    defaultSort() {
      this.index = '1'
      this.page = 1
      this.type = ''
      this.volume = ''
      this.getSeckill()
    },
    // 价格
    priceSort() {
      this.index = '2'
      this.page = 1
      if (this.type === '' || this.type === 2) {
        this.type = 1
      } else {
        this.type = 2
      }
      this.volume = ''
      this.getSeckill()
    },
    // 销量
    salesSort() {
      this.index = '3'
      this.page = 1
      if (this.volume === '' || this.volume === 2) {
        this.volume = 1
      } else {
        this.volume = 2
      }
      this.type = ''
      this.getSeckill()
    }
  }
}
</script>

<style lang="scss" scoped>
.rabattBox {
	max-width: 1250px;
	margin: auto;

	.activityRabatt {
		position: relative;

		.title {
			width: 40%;
			height: 60px;
			color: #FFF;
			margin: auto;
			text-align: center;
			position: absolute;
			top: 160px;
			left: 0;
			right: 0;
			display: flex;
			justify-content: space-around;
			align-items: center;

			.glodTxt {
				color: #FFEBC4;
				font-size: 16px;
			}

			.timeBox {
				height: 60px;
				display: flex;
				align-items: center;

				.after {
					font-size: 30px;
					margin: 0 13px;
				}

				.bc {
					width: 40px;
					height: 40px;
					line-height: 40px;
					font-size: 20px;
					color: #FFFFFF;
					background-color: #333333;
				}
			}
		}

		.timeList {
			// width: 1200px;
			height: 60px;
			margin-top: 20px;
			overflow-y: auto;
			display: flex;
			flex-wrap: nowrap;
			overflow-y: hidden;

			.time {
				flex: 0 0 23%;
				height: 60px;
				line-height: 60px;
				text-align: center;
				color: #999;
				margin: 0 1%;
				cursor: pointer;
				background-color: #E4E5E6;
			}

			.start {
				background-color: #333;
				color: #FFEBC4;
			}
		}

		.long {
			padding-bottom: 15px;
		}

		.rabattList {
			display: flex;
			flex-direction: row;
			flex-wrap: wrap;
			min-height: 532px;

			.item {
				width: 23%;
				margin: 20px 1%;
				transition: all 0.3s linear;

				.progress {
					width: 100%;
					height: 40px;
					background-color: #DADBDC;
					position: absolute;
					bottom: 0;
					display: flex;
					align-items: center;

					span {
						margin-left: 10px;
					}

					>>>.el-progress {
						flex: 1;
						height: 10px;
						margin: 0 10px;

						// .el-progress-bar{
						//   height: 10px;
						// }
						.el-progress-bar__outer,
						.el-progress-bar__inner {
							border-radius: 0;
							height: 10px !important;
						}
					}
				}

				.buy {
					width: 100%;
					height: 40px;
					padding: 0;
					margin: 15px 0 0;
					color: #fff;
					cursor: pointer;
				}

				.butNow {
					background: linear-gradient(90deg, #C83732 0%, #E25C44 100%);
					box-shadow: 0px 3px 6px rgba(233, 0, 0, 0.3);
				}

				.buyNot {
					background-color: #999999;
				}

				.buyWill {
					background: linear-gradient(90deg, #29C790 0%, #75D98C 100%);
					box-shadow: 0px 3px 6px rgba(52, 203, 144, 0.3);
				}
			}

			.item:hover {
				box-shadow: 0 0 20px #cccccc;
			}
		}
	}

	.noproduct {
		width: 100%;
		text-align: center;
		min-height: 500px;

		img {
			margin-top: 50px;
		}
	}
}

// 隐藏滚动条
// .timeList::-webkit-scrollbar {
//   display: none; /* Chrome Safari */
// }
// .timeList{
//   scrollbar-width: none; /* firefox */
//   -ms-overflow-style: none; /* IE 10+ */
// }
</style>
