<template>
    <div>
        <el-card class="box-card" shadow="always">
          <div slot="header" class="clearfix">
            <span>{{ title }}</span>
            <el-button-group style="float: right;">
              <el-button size="mini" icon="el-icon-plus" round @click="submitForm" :loading="loadingOptions.loading" :disabled="loadingOptions.isDisabled">{{loadingOptions.loadingText}}</el-button>
              <el-button size="mini" icon="el-icon-back" round @click="showCard">返回</el-button>
            </el-button-group>
          </div>
          <div :style="classCardbody">
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
              <el-form-item label="角色名称" prop="roleName">
                <el-input v-model="form.roleName" placeholder="请输入角色名称" />
              </el-form-item>
              <el-form-item label="角色编码" prop="roleCode">
                <el-input v-model="form.roleCode" placeholder="请输入角色编码" />
              </el-form-item>
              <el-row :gutter="20">
                <el-col :span="12">
                  <el-form-item label="菜单权限">
                    <el-tree
                      :data="menuOptions"
                      show-checkbox
                      ref="menu"
                      node-key="id"
                      empty-text="加载中，请稍后"
                      :check-strictly="menuCheckStrictly"
                      :props="menuDefaultProps"
                    ></el-tree>
                  </el-form-item>
                </el-col>
                <el-col :span="12">
                  <el-form-item label="权限范围" prop="dataScope">
                    <el-select v-model="form.dataScope">
                      <el-option
                        v-for="item in dataScopeOptions"
                        :key="item.id"
                        :label="item.itemValue"
                        :value="item.itemText"
                      ></el-option>
                    </el-select>
                  </el-form-item>
                  <el-form-item label="数据权限" v-show="form.dataScope === '2'">
                    <el-tree
                      :data="deptOptions"
                      show-checkbox
                      default-expand-all
                      ref="dept"
                      node-key="id"
                      empty-text="加载中，请稍后"
                      :check-strictly="deptCheckStrictly"
                      :props="deptDefaultProps"
                    ></el-tree>
                  </el-form-item>
                </el-col>
              </el-row>
              <el-form-item label="状态" prop="status">
                <el-radio-group v-model="form.status">
                  <el-radio
                    v-for="dict in statusOptions"
                    :key="dict.id"
                    :label="dict.itemText"
                  >{{dict.itemValue}}</el-radio>
                </el-radio-group>
              </el-form-item>
              <el-form-item label="备注" prop="remark">
                <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
              </el-form-item>
            </el-form>
          </div>
        </el-card>
    </div>
</template>

<script>
import { getRole, updateRole } from '@/api/system/role'
import { listMenu } from '@/api/system/menu'
import { listDept } from '@/api/system/dept'
import { construct } from '@/utils/json-tree'

export default {
  name: 'RoleEdit',
  props: {
    data: {
      type: Object,
      default: function () {
        return {}
      }
    }
  },
  data () {
    return {
      classCardbody: {
        overflow: 'auto',
        height: document.body.offsetHeight - 240 + 'px'
      },
      title: '角色编辑',
      // 展示切换
      showOptions: {
        data: {},
        showList: true,
        showAdd: false,
        showEdit: false,
        showDetail: false
      },
      // 保存按钮
      loadingOptions: {
        loading: false,
        loadingText: '保存',
        isDisabled: false
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        roleName: [
          { required: true, message: '角色名称不能为空', trigger: 'blur' }
        ],
        roleCode: [
          { required: true, message: '角色编码不能为空', trigger: 'blur' }
        ]
      },
      // 状态数据字典
      statusOptions: [],
      // 数据范围数据字典
      dataScopeOptions: [],
      // 菜单列表
      menuOptions: [],
      // 部门列表
      deptOptions: [],
      menuDefaultProps: {
        children: 'children',
        label: 'menuName'
      },
      deptDefaultProps: {
        children: 'children',
        label: 'deptName'
      },
      menuCheckStrictly: false,
      deptCheckStrictly: false
    }
  },
  created () {
    console.log('id:' + this.data.id)
    this.getDicts('sys_common_status').then(response => {
      if (response.success) {
        this.statusOptions = response.data
      }
    })
    this.getDicts('sys_data_scope').then(response => {
      if (response.success) {
        this.dataScopeOptions = response.data
      }
    })
    this.getMenuTree()
    this.getDeptTree()
    this.getRole(this.data.id)
  },
  methods: {
    showCard () {
      this.$emit('showCard', this.showOptions)
    },
    /** 查询菜单树结构 */
    getMenuTree () {
      listMenu().then(response => {
        if (response.success) {
          const { data } = response
          this.menuOptions = construct(data, {
            id: 'id',
            pid: 'parentId',
            children: 'children'
          })
        }
      })
    },
    /** 查询部门树结构 */
    getDeptTree () {
      listDept().then(response => {
        if (response.success) {
          const { data } = response
          this.deptOptions = construct(data, {
            id: 'id',
            pid: 'parentId',
            children: 'children'
          })
        }
      })
    },
    // 所有菜单节点数据
    getMenuAllCheckedKeys () {
      // 目前被选中的菜单节点
      let checkedKeys = this.$refs.menu.getHalfCheckedKeys()
      // 半选中的菜单节点
      let halfCheckedKeys = this.$refs.menu.getCheckedKeys()
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys)
      return checkedKeys
    },
    // 所有部门节点数据
    getDeptAllCheckedKeys () {
      // 目前被选中的部门节点
      let checkedKeys = this.$refs.dept.getHalfCheckedKeys()
      // 半选中的部门节点
      let halfCheckedKeys = this.$refs.dept.getCheckedKeys()
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys)
      return checkedKeys
    },
    /** 获取详情 */
    getRole: function (id) {
      getRole(id).then(response => {
        if (response.success) {
          this.form = response.data
          let menuCheckedKeys = response.data.menus.map(menu => menu.id)
          let deptCheckedKeys = response.data.depts.map(dept => dept.id)
          if (menuCheckedKeys && menuCheckedKeys.length > 0) {
            this.menuCheckStrictly = true
            this.$nextTick(() => {
              this.$refs.menu.setCheckedKeys(menuCheckedKeys)
              this.menuCheckStrictly = false
            })
          }
          if (deptCheckedKeys && deptCheckedKeys.length > 0) {
            this.deptCheckStrictly = true
            this.$nextTick(() => {
              this.$refs.dept.setCheckedKeys(deptCheckedKeys)
              this.deptCheckStrictly = false
            })
          }
        }
      })
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs['form'].validate(valid => {
        if (valid) {
          this.loadingOptions.loading = true
          this.loadingOptions.loadingText = '保存中...'
          this.loadingOptions.isDisabled = true
          this.form.menuList = this.getMenuAllCheckedKeys()
          this.form.deptList = this.getDeptAllCheckedKeys()
          updateRole(this.form).then(response => {
            if (response.success) {
              this.$message.success('保存成功')
              setTimeout(() => {
                // 2秒后跳转列表页
                this.$emit('showCard', this.showOptions)
              }, 2000)
            } else {
              this.$message.error('保存失败')
              this.loadingOptions.loading = false
              this.loadingOptions.loadingText = '保存'
              this.loadingOptions.isDisabled = false
            }
          })
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>

</style>
