<template>
    <el-dialog
      :title="$t('role.staff')"
      :visible.sync="visible"
      width="70%"
      @close="resetForm"
    >
      <el-row>
        <el-col :span="24">
          <el-input
            v-model="searchForm.staffName"
            :placeholder="$t('role.staffName')"
            style="width: 300px; margin-right: 10px"
          />
          <el-button type="primary" @click="queryStaffs">
            {{ $t('common.search') }}
          </el-button>
        </el-col>
      </el-row>
      
      <el-table
        :data="staffs"
        style="width: 100%; margin-top: 15px"
        @selection-change="handleSelectionChange"
      >
        <el-table-column
          type="selection"
          width="55"
          align="center"
        />
        <el-table-column
          prop="userId"
          :label="$t('role.staffName')"
          align="center"
        />
        <el-table-column
          prop="name"
          :label="$t('role.staffName')"
          align="center"
        />
        <el-table-column
          prop="address"
          :label="$t('role.address')"
          align="center"
        />
      </el-table>
      
      <el-pagination
        :current-page="page.current"
        :page-sizes="[10, 20, 30, 50]"
        :page-size="page.size"
        :total="page.total"
        layout="total, sizes, prev, pager, next, jumper"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
      
      <span slot="footer" class="dialog-footer">
        <el-button @click="visible = false">{{ $t('role.cancel') }}</el-button>
        <el-button type="primary" @click="submit">{{ $t('role.save') }}</el-button>
      </span>
    </el-dialog>
  </template>
  
  <script>
  import { listStaffsNoRole, saveRoleStaff } from '@/api/role/roleApi'
  
  export default {
    name: 'AddRoleStaff',
    props: {
      roleId: {
        type: String,
        required: true
      }
    },
    data() {
      return {
        visible: false,
        searchForm: {
          staffName: ''
        },
        staffs: [],
        selectedStaffs: [],
        page: {
          current: 1,
          size: 10,
          total: 0
        }
      }
    },
    methods: {
      show() {
        this.visible = true
        this.queryStaffs()
      },
      async queryStaffs() {
        try {
          const params = {
            page: this.page.current,
            row: this.page.size,
            userName: this.searchForm.staffName,
            roleId: this.roleId
          }
          const res = await listStaffsNoRole(params)
          this.staffs = res.data
          this.page.total = res.total
        } catch (error) {
          this.$message.error(error.message)
        }
      },
      handleSelectionChange(val) {
        this.selectedStaffs = val
      },
      async submit() {
        if (this.selectedStaffs.length === 0) {
          this.$message.warning(this.$t('role.selectStaff'))
          return
        }
        
        try {
          const staffs = this.selectedStaffs.map(item => ({
            staffId: item.userId,
            staffName: item.name
          }))
          
          await saveRoleStaff({
            roleId: this.roleId,
            staffs
          })
          
          this.$message.success(this.$t('role.saveSuccess'))
          this.$emit('success')
          this.visible = false
        } catch (error) {
          this.$message.error(error.message)
        }
      },
      handleSizeChange(size) {
        this.page.size = size
        this.queryStaffs()
      },
      handleCurrentChange(current) {
        this.page.current = current
        this.queryStaffs()
      },
      resetForm() {
        this.searchForm.staffName = ''
        this.selectedStaffs = []
      }
    }
  }
  </script>