<template>
  <div class="newList">
    <div class="header" v-if="tabList.length">
      <div class="header-tab">
        <img src="https://cdn.cunwuyun.cn/dvcp/live/dh.png" alt="" class="more-icon" @click="toSelect()">
        <u-tabs :list="tabList" :current="currIndex" @change="changeTab" :font-size="26"></u-tabs>
      </div>
    </div>
    <div class="news-list" v-if="tabList.length">
      <div class="item" v-for="(item,index) in newsList" :key="index" v-if="newsList.length" @click="toDetail(item.id)">
        <div class="left">
          <h2>{{ item.title }}</h2>
          <p><span>通知公告</span>{{ item.createTime }}</p>
        </div>
        <div class="right" v-if="item.pictureUrl.length">
          <img :src="item.pictureUrl" alt="">
        </div>
      </div>
      <AiEmpty description="暂无数据" v-if="!newsList.length" style="background: #f3f4f5;"/>
    </div>
    <AiEmpty description="暂无数据" v-else/>
  </div>
</template>

<script>
export default {
  name: 'newsList',
  data() {
    return {
      currIndex: 0,
      title: '',
      isLoading: false,
      newsList: [],
      isShowEmpty: false,
      current: 1,
      areaId: '',
      tabList: [],
      parentId: '',
      parentName: '',
    }
  },

  onLoad(params) {
    this.parentId = params.id
    this.parentName = params.parentName
    uni.$on('update', (tabIndex) => {
    this.currIndex = tabIndex
    })
  },
  onShow() {
    document.title = this.parentName
    this.getList().then(() => this.getListInit())
  },

  methods: {
    // 查看分类
    toSelect() {
      uni.navigateTo({url: `./select?parentId=${this.parentId}&index=${this.currIndex}`})
    },
    // 切换tab栏
    changeTab(index) {
      this.newsList = []
      this.currIndex = index
      this.current = 1
      this.getListInit()
    },

    // 获取新闻分类
    getList() {
      return this.$http.post('/app/apppublicitycategory/list', null, {
        params: {
          parentId: this.parentId,
          categoryType: '2',
        }
      }).then((res) => {
        var array = []
        res.data.records.map(item => {
          array.push({
            name: item.categoryName,
            id: item.id,
            parentId: item.parentId,
          })
        })
        return this.tabList = array
      })
    },

    getListInit() {
      this.current = 1
      this.newsList = []
      this.getNewsList()
    },
    // 获取新闻列表
    getNewsList() {
      this.$http.post(`/app/apppublicityinfo/list?`, null, {
        params: {
          current: this.current,
          moduleId: this.currIndex == 0 ? this.tabList[0].parentId : this.tabList[this.currIndex].parentId,
          categoryId: this.tabList[this.currIndex].id,
        }
      }).then(res => {
        if (res.code === 0) {
          this.newsList = this.current == 1 ? res.data.records : [...this.newsList, ...res.data.records]
        }
      })
    },
    // 查详情
    toDetail(id) {
      uni.navigateTo({url: `./newsDetail?id=${id}`})
    },
  },

  onReachBottom() {
    this.current++,
    this.getNewsList()
  }
}
</script>

<style lang="scss" scoped>
.header-tab {
  background-color: #fff;
  position: relative;
  padding: 0 100px 0 0;

  .more-icon {
    position: absolute;
    width: 40px;
    height: 38px;
    right: 32px;
    top: 20px;
  }

  div {
    height: 80px;
    line-height: 80px;
    font-size: 26px;
    transition-duration: 1s;
    padding: 0px 30px;
  }

  .tab-item {
    color: #666;
    position: relative;
  }

  .active-item {
    color: #3376FD;
    font-weight: 600;

  }

  .active-line {
    width: 48px;
    height: 4px;
    background: #FFF;
    position: absolute;
    bottom: 14px;
    left: 50%;
    margin-left: -24px;
    background-color: #3376FD;
  }
}

.news-list {
  background: #FFF;
  padding-top: 90px;
  box-sizing: border-box;

  .item {
    padding: 30px 30px 20px 30px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #DDDDDD;

    .left {
      h2 {
        font-size: 30px;
        color: #333333;
        font-weight: 600;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
      }

      p {
        margin-top: 30px;
        font-size: 22px;
        color: #999999;

        span {
          margin-right: 15px;
        }
      }

    }

    .right {
      width: 224px;
      height: 140px;
      margin-left: 40px;

      img {
        width: 100%;
        height: 100%;
      }
    }
  }
}

.news {
  min-height: 100vh;
  padding-top: 96px;
  background: #fff;
}

.item-video {
  position: relative;
  height: 388px;
  margin-bottom: 24px;

  .mask {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 11;
    background: rgba(0, 0, 0, 0.16);
  }

  .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 121;
    width: 80px;
    height: 80px;
    margin: 0;
    transform: translate(-50%, -50%);
  }

  .item-title {
    width: 100%;
    padding: 0 30px 10px;
    font-size: 28px;
    font-weight: 500;
    color: #FFF;
    line-height: 40px;
    position: absolute;
    bottom: 0;
    left: 0;
    word-break: break-all;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    background: rgba(0, 0, 0, .4);
    box-sizing: border-box;
  }

  .cover {
    display: block;
    width: 100% !important;
    height: 388px !important;
    margin-left: 0 !important;
  }
}

div {
  box-sizing: border-box;
}

.noMore {
  line-height: 90px;
  text-align: center;
  color: #999;
  font-size: 26px;
}

.news {
  background: #fff;
}

.header {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 10000;
  width: 100%;
  padding: 8px 0;
  background: #fff;

  .header-search {
    display: flex;
    align-items: center;
    width: 690px;
    height: 60px;
    margin: 0 auto 8px;
    padding: 0 32px;
    background: #0D6DDC;
    border-radius: 30px;

    image {
      flex-shrink: 1;
      width: 32px;
      height: 32px;
      margin-right: 12px;
    }

    input {
      flex: 1;
      height: 100%;
      font-size: 28px;
      color: #fff;
    }
  }
}

.item {
  padding: 0 30px;

  &:first-child {
    .item-wrapper {
      padding-top: 0 !important;
    }
  }

  .item-wrapper {
    padding: 30px 0 20px;
    display: flex;
    align-items: center;
  }

  .item-left {
    flex: 1;

    h2 {
      margin-bottom: 32px;
      color: #333333;
      font-size: 30px;
      font-weight: 700;
    }

    .item-left__bottom {
      display: flex;

      span {
        margin-right: 10px;
        color: #999999;
        font-size: 22px;

        &:last-child {
          margin-right: 0;
        }
      }

      .top-text {
        font-size: 22px;
        color: #EF4645;
        margin-right: 16px;
      }
    }
  }

  image {
    flex-shrink: 0;
    width: 224px;
    height: 140px;
    // margin-left: 46px;
  }
}

.no-more {
  margin-top: 20px;
  text-align: center;
  color: #999;

  image {
    width: 400px;
    height: 240px;
  }

  p {
    text-align: center;
    color: #999;
    font-size: 28px;
  }
}

::v-deep .emptyWrap .emptyImg {
  margin-top: 40px;
}
</style>
