<template>
  <div class="WatermarkSetting" v-if="pageShow">
    <div class="title">
      <h2>水印选择</h2>
      <span>*选择水印后，相册只能上传该水印照片</span>
    </div>
    <div class="cell-group">
      <div class="cell-item" hover-class="bg-hover" @click="currIndex = 0, chooseIndex = -1">
        <div class="cell-item__left">
          <h2>不限</h2>
        </div>
        <div class="cell-item__check" :class="[currIndex === 0 ? 'active' : '']"></div>
      </div>
      <div class="cell-item" hover-class="bg-hover" @click="currIndex = 1">
        <div class="cell-item__left">
          <h2>从库中选择水印</h2>
        </div>
        <div class="cell-item__check" :class="[currIndex === 1 ? 'active' : '']"></div>
      </div>
    </div>
    <div class="title" v-if="currIndex === 1">
      <h2>水印库</h2>
    </div>
    <div class="watermark-list" v-if="currIndex === 1">
      <div class="item" @click="chooseIndex = index" v-for="(item, index) in list" :key="index" :class="[chooseIndex === index ? 'active' : '']">
        <image class="checked" v-if="chooseIndex === index" src="./images/xuanzhong.png" />
        <image class="watermark" :src="item.thum" mode="aspectFill" />
      </div>
    </div>
    <div class="form-btn" hover-class="text-hover" @click="save">保存</div>
  </div>
</template>

<script>
  import { config } from './config'
  export default {
    name: 'WatermarkSetting',

    appName: '水印选择',

    data () {
      return {
        currIndex: 0,
        config,
        list: [],
        chooseIndex: -1,
        pageShow: false
      }
    },

    onLoad (query) {
      if (query.value) {
        this.currIndex = 1
        this.chooseIndex = query.value ? Number(query.value) : -1
      }

      this.getList()
    },

    methods: {
      getList () {
        this.$loading()
        this.$http.post(`/api/appalbumtemplate/list?size=1000&status=1`).then(res => {
          if (res.code === 0) {
            this.list = res.data.records
          }

          this.pageShow = true

          this.$hideLoading()
        })
      },

      save () {
        uni.$emit('change', {
          type: 'watermark',
          value: this.chooseIndex > -1 ? this.chooseIndex : ''
        })
        uni.navigateBack({
          delta: 1
        })
      }
    }
  }
</script>

<style lang="scss" scoped>
  .WatermarkSetting {
    padding-bottom: 130px;

    * {
      box-sizing: border-box;
    }

    .watermark-list {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      background: #fff;
      padding: 16px;

      .item {
        display: flex;
        position: relative;
        align-items: center;
        justify-content: center;
        margin-bottom: 16px;
        width: 352px;
        height: 240px;
        border-radius: 8px;
        font-size: 0;
        background: #2A3540;

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

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

        .watermark {
          width: 200px;
          height: 200px;
        }

        &:nth-of-type(2n) {
          margin-right: 0;
        }
      }
    }

    .form-btn {
      position: fixed;
      bottom: 0;
      left: 0;
      z-index: 1;
      width: 100%;
      height: 112px;
      line-height: 112px;
      text-align: center;
      color: #fff;
      font-size: 32px;
      background: #1365DD;

      &:active {
        opacity: 0.8;
      }
    }

    .tips {
      line-height: 44px;
      margin: 32px;
      font-size: 28px;
      color: #999999;
      white-space: pre-line;
    }

    .title {
      display: flex;
      align-items: center;
      height: 96px;
      padding: 0 32px;

      h2 {
        font-weight: normal;
        color: #666666;
        font-size: 32px;
      }

      span {
        margin-left: 16px;
        color: #999999;
        font-size: 30px;
      }
    }

    .cell-group {
      .cell-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 108px;
        margin-bottom: 16px;
        padding: 0 32px;
        background: #FFFFFF;

        &:active {
          background: #eee;
        }

        image {
          width: 32px;
          height: 32px;
        }

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

        h2 {
          margin-bottom: 12px;
          color: #333333;
          font-size: 32px;
        }

        p {
          color: #999999;
          font-size: 28px;
        }

        .cell-item__check {
          flex-shrink: 1;
          width: 32px;
          height: 32px;
          border-radius: 50%;
          border: 4px solid #CCCCCC;
          transition: all ease 0.3s;

          &.active {
            border: 10px solid #1365DD;
          }
        }
      }
    }
  }
</style>
