<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="变动类型" prop="operation">
        <el-radio-group v-model="formData.operation">
          <el-radio :value="'+'">增加</el-radio>
          <el-radio :value="'-'">减少</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item label="金额" prop="balance">
        <el-input-number v-model="formData.balance" :min="0" :precision="0" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>

<script lang="ts" setup>
import * as UserAccountApi from '@/api/menduner/system/account/user'

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formData = ref<UserAccountApi.UserBalanceVO>({} as UserAccountApi.UserBalanceVO)

const formRules = reactive({
  operation: [{ required: true, message: '变动类型不能空', trigger: 'blur' }],
  balance: [{ required: true, message: '金额不能空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, id: number, userId: string) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  resetForm()
  // 修改时，设置数据
  if (id) {
    formData.value.userId = userId
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  if (!formRef) return
  const valid = await formRef.value.validate()
  
  if (!valid) return
  // 提交请求
  formLoading.value = true
  try {
    await UserAccountApi.updateUserBalance(formData.value)
    message.success(t('common.updateSuccess'))
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    balance: 0,
    userId: '',
    operation: '+'
  }
  formRef.value?.resetFields()
}
</script>
