/*
 * @Author: Badguy
 * @Date: 2022-03-04 11:50:22
 * @LastEditTime: 2022-03-15 17:56:34
 * @LastEditors: your name
 * @Description: 航站视图表格通用部分
 * have a nice day!
 */

export default {
  data() {
    return {
      // 筛选后表头
      tableColsCopy: [],
      // 列设置弹框选中
      checkedKeys: [],
      checkedKeysTemp: [],
      halfCheckedKeys: [],
      // 列设置弹框开关
      dialogFlag: false
    }
  },
  created() {
    this.initTableCols()
  },
  updated() {
    // table数据更新
    this.$nextTick(() => {
      this.$refs.table?.doLayout()
    })
  },
  computed: {
    colsCheckClass() {
      return this.tableCols.some(col => col.children?.length) ? 'has-children' : 'no-children'
    }
  },
  methods: {
    // 列设置-初始化
    initTableCols() {
      const that = this
      function setTableCols(cols) {
        for (const col of cols) {
          col.index = that.checkedKeys.length
          that.checkedKeys.push(that.checkedKeys.length)
          if (col.children?.length) {
            setTableCols(col.children)
          }
        }
      }
      setTableCols(this.tableCols)
      this.tableColsCopy = this._.cloneDeep(this.tableCols)
      this.checkedKeysTemp = [...this.checkedKeys]
    },
    // 列设置-确定
    handleCheck(data, checked) {
      this.checkedKeysTemp = [...checked.checkedKeys]
      this.halfCheckedKeys = [...checked.halfCheckedKeys]
    },
    onCheck(tableDataName = 'tableData') {
      if (this.dialogFlag === false) {
        return
      }
      this.loading = true
      const tableDataTemp = this._.cloneDeep(this[tableDataName])
      this[tableDataName] = []
      this.dialogFlag = false
      this.checkedKeys = [...this.checkedKeysTemp]
      this.tableColsCopy = this.colsFilter(this._.cloneDeep(this.tableCols))
      setTimeout(() => {
        if (!this[tableDataName].length) {
          this[tableDataName] = tableDataTemp
        }
        this.loading = false
      }, 500)
    },
    colsFilter(cols) {
      const temp = cols.filter(col => {
        if (this.halfCheckedKeys.includes(col.index)) {
          col.children = this.colsFilter(col.children)
          return true
        } else if (this.checkedKeys.includes(col.index)) {
          return true
        }
        return false
      })
      return temp
    },
    // 弹框展开
    show() {
      this.dialogFlag = true
    },
    // 弹框关闭
    hide() {
      this.dialogFlag = false
      this.checkedKeysTemp = [...this.checkedKeys]
    }
  }
}