<template>
  <div>
    <div class="treebox-header">
      <el-input :placeholder="$t('TsStudent.inschooltree.5205mp7k0p80')" v-model="filterTree" size="mini" clearable>
        <el-select v-if="tags && tags.length>0" v-model="tagIds" slot="prepend" multiple collapse-tags :placeholder="$t('TsStudent.inschooltree.5205mp7k3ak0')">
          <el-option v-for="item in tags" :key="item.Id" :label="item.Name" :value="item.Id"> </el-option>
        </el-select>
      </el-input>
    </div>
    <div class="treebox-content">
      <el-tree
        v-if="inSchoolNodeData"
        ref="tree"
        node-key="value"
        :data="inSchoolNodeData"
        :check-strictly="checkStrictly"
        :check-on-click-node="true"
        :expand-on-click-node="false"
        :filter-node-method="filterNode"
        @check-change="nodeClick"
        :highlight-current="true"
        :show-checkbox="showCheckbox"
      >
        <span class="custom-tree-node" slot-scope="{ node, data }">
          <span v-if="data.icon" style="margin-right:10px;">
            <i :class="data.icon" />
          </span>
          <span>{{ node.label }}-{{data.tel}}</span>
        </span>
      </el-tree>
    </div>
  </div>
</template>

<script>
export default {
  name: 'inschooltree',
  props: {
    value: { required: true },
    valueType: { type: Number, default: 0 }, //0 只选择用户 1混合选择
    multiple: Boolean,
    mixed: Boolean, //混合选择
    treeData: { dafault: null },
    closeTag: { default: null },
    tags:{default:null},
      tagDict:{default:null}
  },
  data() {
    return {
      title: this.$t('TsStudent.inschooltree.5205mp7k3h00'),
      filterTree: '',
      inSchoolNodeData: null,
      tagIds:null
    }
  },
  computed: {
    checkStrictly() {
      if (this.multiple) {
        return false
      } else {
        return true
      }
    },
    showCheckbox() {
      if (this.multiple) {
        return true
      } else {
        return false
      }
    }
  },
  methods: {
    deepClone(obj) {
      var _obj = JSON.stringify(obj),
        objClone = JSON.parse(_obj)
      return objClone
    },
    filterNode(value, data) {
      if(this.tagIds && this.tagIds.length>0){
        if(!this.filterTags(data.id)){
          return false
        }
      }
      if (!value) return true
      return data.label.includes(value) || data.tel.includes(value)
    },
    filterTags(itemId) {
      if (this.tagIds.length == 0) {
        return true;
      }
      if (!this.tagDict[itemId]) {
        return false;
      }
      let refObjectTagIds = this.tagDict[itemId];
      for (let i = 0; i < refObjectTagIds.length; i++) {
        const refObjectTagId = refObjectTagIds[i];

        if (this.tagIds.indexOf(refObjectTagId) > -1) {
          return true;
        }
      }
      return false;
    },
    addChildrenTag(childrens) {
      console.log(childrens)
      let chickChildrens = childrens.filter(item => {
        return this.$refs.tree.getCheckedKeys().includes(item.value)
      })
      chickChildrens.forEach(data => {
        let index = this.value.findIndex(value => value.Id == data.id && value.Type == data.type)
        if (index == -1) {
          this.value.push({ Id: data.id, Label: data.label, Type: data.type,PhotoImageUrl:data.photoImageUrl })
        }
      })
    },
    parentIsChecked(parentId) {
      return this.$refs.tree.getCheckedKeys().findIndex(key => key == parentId) > -1
    },
    deleteChildrenTag(childrens) {
      console.log(childrens)
      childrens.forEach(data => {
        let index = this.value.findIndex(value => value.Id == data.id && value.Type == data.type)
        if (index > -1) {
          this.value.splice(index, 1)
        }
      })
    },
    nodeClick(data, checked, indeterminate) {
      if (this.multiple) {
        if (data.type == 'class' && !this.mixed) {
          if (checked) {
            this.addChildrenTag(data.children)
          } else {
            if (!indeterminate) {
              this.deleteChildrenTag(data.children)
            }
          }
          return
        }
        let index = this.value.findIndex(value => value.Id == data.id && value.Type == data.type)
        // data.selected = checked
        if (!checked) {
          if (index > -1) {
            this.value.splice(index, 1)
          }
          if (indeterminate && this.mixed) {
            this.addChildrenTag(data.children)
          }
        } else {
          if (this.mixed && this.parentIsChecked(data.parentId)) {
            this.deleteChildrenTag(data.children)
            return
          }
          if (index == -1) {
            this.value.push({ Id: data.id, Label: data.label, Type: data.type,PhotoImageUrl:data.photoImageUrl })
            if (this.mixed) {
              this.deleteChildrenTag(data.children)
            }
          }
        }
      } else {
        if (data.type == 'student' || (data.type == 'class' && this.mixed)) {
          if (this.value.length > 0) {
            this.value.splice(0, 1, { Id: data.id, Label: data.label, Type: data.type,PhotoImageUrl:data.photoImageUrl })
          } else {
            this.value.push({ Id: data.id, Label: data.label, Type: data.type,PhotoImageUrl:data.photoImageUrl })
          }
        }
      }
    }
  },
  mounted() {
    this.inSchoolNodeData = this.treeData
    this.$nextTick(() => {
      this.$refs.tree.filter(this.filterTree)
      this.value.forEach(val => {
        this.$refs.tree.setChecked(`${val.Type}_${val.Id}`, true, true)
      })
    })
  },
  watch: {
    closeTag: {
      handler(val) {
        if (val) {
          if (this.multiple) {
            this.$refs.tree.setChecked(`${val.Type}_${val.Id}`, false, true)
          } else {
            this.$refs.tree.setCurrentKey(`${val.Type}_${val.Id}`)
          }
        }
      },
      deep: true
    },
    filterTree(val) {
      console.log(val)
      if(this.$refs.tree){
      this.$refs.tree.filter(val)
      }
    },
    tagIds(val){
      console.log(val)
      if(this.$refs.tree){
this.$refs.tree.filter(this.filterTree)
      }
      
    }
  }
}
</script>
