<template>
  <el-dialog
    :title="!dataForm.id ? '新增' : '修改'"
    :close-on-click-modal="false"
    :visible.sync="visible">
    <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="handleConfirm()" label-width="80px">
      <el-form-item label="角色名称" prop="roleName">
        <el-input v-model="dataForm.roleName" placeholder="角色名称"></el-input>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="dataForm.remark" placeholder="备注"></el-input>
      </el-form-item>
      <el-form-item size="mini" label="授权">
        <el-tree
          :data="menuList"
          :props="menuListTreeProps"
          node-key="menuId"
          ref="menuListTree"
          :default-expand-all="true"
          show-checkbox>
        </el-tree>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="handleConfirm()">确定</el-button>
    </span>
  </el-dialog>
</template>

<script>
  import { treeDataTranslate } from '@/utils'
  import { apiSysMenuList, apiSysUserConfirm } from '@/api/api_sys'
  import { apiGetUserInfo } from '@/api/api_user'

  export default {
    data () {
      return {
        visible: false,
        menuList: [],
        menuListTreeProps: {
          label: 'name',
          children: 'children'
        },
        dataForm: {
          id: 0,
          roleName: '',
          remark: ''
        },
        dataRule: {
          roleName: [{ required: true, message: '角色名称不能为空', trigger: 'blur' }]
        },
        tempKey: -666666, // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
        apiType: '' // api类型
      }
    },
    methods: {
      init (id) {
        if (id) {
          this.dataForm.id = id || 0
          this.handleEdit()
          this.apiType = '/update'
        } else {
          this.handleAdd()
          this.apiType = '/save'
        }
      },
      // 新增
      handleAdd (id) {
        apiSysMenuList({}).then(res => {
          this.menuList = treeDataTranslate(res, 'menuId')
          this.visible = true
          this.$nextTick(() => {
            this.$refs['dataForm'].resetFields()
            this.$refs.menuListTree.setCheckedKeys([])
          })
        })
      },
      // 编辑
      handleEdit () {
        apiGetUserInfo({}, `/${this.dataForm.id}`).then(res => {
          if (res && res.code === 0) {
            this.dataForm.roleName = res.role.roleName
            this.dataForm.remark = res.role.remark
            var idx = res.role.menuIdList.indexOf(this.tempKey)
            if (idx !== -1) {
              res.role.menuIdList.splice(idx, res.role.menuIdList.length - idx)
            }
            this.$refs.menuListTree.setCheckedKeys(res.role.menuIdList)
          }
        })
      },
      // 提交
      handleConfirm () {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            let params = {
              'roleId': this.dataForm.id || undefined,
              'roleName': this.dataForm.roleName,
              'remark': this.dataForm.remark,
              'menuIdList': [].concat(this.$refs.menuListTree.getCheckedKeys(), [this.tempKey], this.$refs.menuListTree.getHalfCheckedKeys())
            }
            apiSysUserConfirm(params, this.apiType).then(res => {
              if (res && res.code === 0) {
                this.$message({
                  message: '操作成功',
                  type: 'success',
                  duration: 1500,
                  onClose: () => {
                    this.visible = false
                    this.$emit('refreshDataList')
                  }
                })
              } else {
                this.$message.error(res.msg)
              }
            })
          }
        })
      }
    }
  }
</script>
