<template>
  <div class="EditAlbum" v-if="pageShow">
    <div class="img-item" v-for="(item, index) in list" :key="index" @click="choose(index)">
      <u-lazy-load class="img" :image="item.photoUrl" img-mode="aspectFill"></u-lazy-load>
      <span class="icon" v-if="!item.checked"></span>
      <image class="icon" v-else src="./images/img-choose.png" />
    </div>
    <span class="empty" v-if="!list.length">该相册暂无可编辑内容</span>
    <div class="EditAlbum-footer">
      <div @click="move">移动至</div>
      <div @click="remove">删除</div>
    </div>
    <u-popup v-model="isShow" :closeable="false" border-radius="32" height="70%" mode="bottom">
			<div class="album">
        <div class="top">
          <span @click="isShow = false">取消</span>
          <span @click="confirm">确定</span>
        </div>
        <scroll-view scroll-y class="album-list__wrapper">
          <div
            class="item"
            @click="currIndex = index"
            v-for="(item, index) in albumList"
            :key="index"
            :class="[currIndex === index ? 'active' : '']">
            <image class="checked" v-if="currIndex === index" src="./images/xuanzhong.png" />
            <image class="icon" v-if="!item.lastPhotoUrl" src="./images/icon.png" />
            <image class="img" v-if="item.lastPhotoUrl" :src="item.lastPhotoUrl" mode="aspectFill" />
            <div class="item-bottom">
              <h2>{{ item.albumName }}</h2>
              <div class="item-bottom__info">
                <div class="left">
                  <span>今日新增</span>
                  <i>{{ item.dayPhtoto }}</i>
                  <span>张</span>
                </div>
                <div class="right">
                  <image src="./images/zhaopianshuliang.png" />
                  <span>{{ item.photoTotal || 0 }}</span>
                </div>
              </div>
            </div>
          </div>
				</scroll-view>
      </div>
		</u-popup>
  </div>
</template>

<script>
  export default {
    appName: '相片编辑',

    data () {
      return {
        id: '',
        isShow: false,
        list: [],
        currIndex: 0,
        isAdmin: false,
        albumList: [],
        pageShow: false
      }
    },

    computed: {
      chooseImg () {
        if (!this.list.length) {
          return ''
        }

        return this.list.filter(v => v.checked).map(v => v.id).join(',')
      }
    },

    onLoad (query) {
      this.$loading()
      this.isAdmin = !!this.$store.state.user.adminAuthType
      this.id = query.id
      this.getAlbumList()

      this.$nextTick(() => {
        this.getList()
      })
    },

    methods: {
      getList () {
        this.$http.post(`/api/appalbumphoto/DetailByAlbumID`, null, {
          params: {
            albumId: this.id,
            pageSize: 100000,
            userId: this.isAdmin ? '' : this.$store.state.user.openId
          }
        }).then(res => {
          if (res.code === 0) {
            this.list = res.data.records.map(v => {
              return {
                ...v,
                checked: false
              }
            })

            this.pageShow = true
          }
        })
      },

      confirm () {
        this.$http.post(`/api/appalbumphoto/move?ids=${this.chooseImg}&targetId=${this.albumList[this.currIndex].id}`).then(res => {
          if (res.code == 0) {
            this.$u.toast('移入成功')
            this.getAlbumList()
            this.getList()

            this.isShow = false
          }
        })
      },

      remove () {
        if (!this.chooseImg) {
          return this.$u.toast('请选择相片')
        }

        this.$confirm('确定删除这些图片？').then(() => {
          this.$http.post(`/api/appalbumphoto/delete?ids=${this.chooseImg}`).then(res => {
            if (res.code == 0) {
              this.$u.toast('删除成功')
              this.getAlbumList()
              this.getList()
              uni.$emit('update')
            }
          })
        }).catch(() => {
        })
      },

      move () {
        if (!this.chooseImg) {
          return this.$u.toast('请选择相片')
        }

        this.isShow = true
      },

      getAlbumList () {
        this.$http.post('/api/appalbum/list', null, {
          parmas: {
            size: 1000
          }
        }).then(res => {
          if (res.code === 0) {
            this.albumList = res.data.records
          }
        })
      },

      choose (index) {
        this.$set(this.list[index], 'checked', !this.list[index].checked)
      }
    }
  }
</script>

<style lang="scss" scoped>
  .EditAlbum {
    min-height: 100vh;
    padding: 16px 4px 130px;
    font-size: 0;
    box-sizing: border-box;
    background: #1E1E21;

    * {
      box-sizing: border-box;
    }

    .empty {
      position: absolute;
      top: 160px;
      left: 50%;
      color: #8e8e90;
      font-size: 28px;
      transform: translateX(-50%);
    }

    .album {
      height: 100%;
      overflow: hidden;

      .album-list__wrapper {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        justify-content: space-between;

        .item {
          display: inline-block;
          position: relative;
          width: 328px;
          height: 328px;
          margin-bottom: 32px;
          box-shadow: 0px 4px 8px 0px rgba(17, 67, 110, 0.1);
          border-radius: 16px;
          overflow: hidden;
          background: #EFF5FA;

          &:nth-of-type(2n) {
            margin-left: 30px;
          }

          &.active {
            border: 4px solid #2477F1;
          }

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

          .item-bottom {
            position: absolute;
            left: 0;
            bottom: 0;
            z-index: 1;
            width: 100%;
            padding: 20px 16px 16px;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.6) 100%);
            box-shadow: 0px 4px 8px 0px rgba(17, 67, 110, 0.1);

            & > h2 {
              margin-bottom: 14px;
              font-size: 32px;
              color: #fff;
            }

            .item-bottom__info {
              display: flex;
              align-items: center;
              justify-content: space-between;

              .right {
                display: flex;
                align-items: center;
                justify-content: space-between;
                width: 86px;
                height: 48px;
                padding: 0 8px;
                color: #fff;
                background: rgba(0, 0, 0, 0.5);
                box-shadow: 0px 4px 8px 0px rgba(17, 67, 110, 0.1);
                border-radius: 8px;

                image {
                  width: 28px;
                  height: 28px;
                }

                span {
                  font-size: 28px;
                }
              }

              .left {
                span {
                  color: #c6c5c4;
                  font-size: 28px;
                }

                i {
                  padding: 0 3px;
                  color: #fff;
                  font-size: 28px;
                  font-style: normal;
                }
              }
            }
          }

          & > span {
            position: absolute;
            left: 16px;
            top: 16px;
            z-index: 1;
            width: 94px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            color: #fff;
            font-size: 28px;
            background: #FF524F;
            box-shadow: 0px 4px 8px 0px rgba(17, 67, 110, 0.1);
            border-radius: 8px;
          }

          .checked {
            position: absolute;
            top: 0;
            right: 0;
            z-index: 1;
            width: 64px;
            height: 64px;
          }

          .icon {
            position: absolute;
            top: 50%;
            left: 50%;
            z-index: 1;
            width: 80px;
            height: 80px;
            transform: translate(-50%, -50%);
          }
        }
      }

      scroll-view {
        height: calc(100% - 96px);
        padding: 0 32px;
        font-size: 0;
      }

      .top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 96px;
        padding: 0 32px;
        font-size: 32px;
        color: #999;
        font-weight: 600;

        span:last-child {
          color: #222;
        }
      }
    }

    .EditAlbum-footer {
      display: flex;
      position: fixed;
      align-items: center;
      left: 0;
      bottom: 0;
      z-index: 11;
      width: 100%;
      height: 112px;
      text-align: center;
      background: #343437;
      box-shadow: inset 0px 1px 0px 0px #666666, inset -1px 0px 0px 0px #666666;

      div {
        flex: 1;
        line-height: 112px;
        color: #fff;
        font-size: 36px;

        &:last-child {
          border-left: 1px solid #666666;
        }
      }
    }

    .img-item {
      display: inline-block;
      position: relative;
      width: 182px;
      height: 182px;
      margin-right: 4px;
      margin-bottom: 4px;
      box-shadow: 0px 0px 8px 0px rgba(0, 0, 0, 0.02);
      border-radius: 4px;

      .icon {
        position: absolute;
        top: 8px;
        right: 8px;
        z-index: 1;
        width: 32px;
        height: 32px;
        content: ' ';
      }

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

      span {
        width: 32px;
        height: 32px;
        background: rgba(0, 0, 0, 0.4);
        border-radius: 16px;
        border: 3px solid #FFFFFF;
      }

      &:nth-of-type(4n) {
        margin-right: 0;
      }
    }
  }
</style>
