<template>
  <div class="label-wrapper">
    <div class="list-box">
      <div
        class="label-box"
        v-for="(item, index) in labelList"
        :key="index"
        v-if="isUser"
      >
        <div class="title" v-if="item.children && item.children.length">
          {{ item.label_name }}
        </div>
        <div class="list" v-if="item.children && item.children.length">
          <div
            class="label-item"
            :class="{ on: label.disabled }"
            v-for="(label, j) in item.children"
            :key="j"
            @click="selectLabel(label)"
          >
            {{ label.label_name }}
          </div>
        </div>
      </div>
      <div v-if="!isUser">暂无标签</div>
    </div>
    <div class="footer">
      <Button type="primary" class="btns" @click="subBtn">确定</Button>
      <Button type="primary" class="btns" ghost @click="cancel">取消</Button>
    </div>
  </div>
</template>

<script>
import { productUserLabel } from '@/api/product';
export default {
  name: 'userLabel',
  props: {
    // dataLabel: {
    // 	type: Array,
    // 	default: () => []
    // }
  },
  data() {
    return {
      labelList: [],
      dataLabel: [],
      isUser: false
    };
  },
  mounted() {},
  methods: {
    // getArrEqual:function (arr1, arr2) {
    // 	let newArr = [];
    // 	   for (let i = 0; i < arr2.length; i++) {
    // 	       for (let j = 0; j < arr1.length; j++) {
    // 					   if(arr2[i].id){
    // 							 if(arr1[j] === arr2[i].id){
    // 							     newArr.push(arr2[i]);
    // 							 }
    // 						 }else{
    // 							 if(arr1[j] === arr2[i]){
    // 							     newArr.push(arr1[j]);
    // 							 }
    // 						 }
    // 	   }
    // 	}
    // 	return newArr;
    // }
    inArray: function(search, array) {
      for (const i in array) {
        if (array[i].id === search) {
          return true;
        }
      }
      return false;
    },
    // 用户标签
    userLabel(data) {
      this.dataLabel = data;
      productUserLabel()
        .then((res) => {
          res.data.map((el) => {
            if (el.children && el.children.length) {
              this.isUser = true;
              el.children.map((label) => {
                if (this.inArray(label.id, this.dataLabel)) {
                  label.disabled = true;
                } else {
                  label.disabled = false;
                }
              });
            }
          });
          this.labelList = res.data;
        })
        .catch((res) => {
          this.$Message.error(res.msg);
        });
    },
    selectLabel(label) {
      if (label.disabled) {
        const index = this.dataLabel.indexOf(
          this.dataLabel.filter((d) => d.id === label.id)[0]
        );
        this.dataLabel.splice(index, 1);
        label.disabled = false;
      } else {
        this.dataLabel.push({ label_name: label.label_name, id: label.id, tag_id: label.tag_id });
        label.disabled = true;
      }
    },
    // 确定
    subBtn() {
      this.$emit('activeData', JSON.parse(JSON.stringify(this.dataLabel)));
    },
    cancel() {
      this.$emit('close');
    }
  }
};
</script>

<style lang="stylus" scoped>
.label-wrapper {
  .list {
    display: flex;
    flex-wrap: wrap;

    .label-item {
      margin: 10px 8px 10px 0;
      padding: 3px 8px;
      background: #EEEEEE;
      color: #333333;
      border-radius: 2px;
      cursor: pointer;
      font-size: 12px;

      &.on {
        color: #fff;
        background: #1890FF;
      }
    }
  }

  .footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 40px;

    button {
      margin-left: 10px;
    }
  }
}

.btn {
  width: 60px;
  height: 24px;
}

.title {
  font-size: 13px;
}

.list-box {
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 240px;
  &::-webkit-scrollbar {
    width: 0;
  }
}
</style>
