<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="固件名称" prop="name">
        <el-input v-model="formData.name" placeholder="请输入固件名称" />
      </el-form-item>
      <el-form-item label="固件描述" prop="description">
        <el-input
          v-model="formData.description"
          type="textarea"
          :rows="3"
          placeholder="请输入固件描述"
        />
      </el-form-item>
      <el-form-item label="所属产品" prop="productId">
        <el-select
          v-model="formData.productId"
          placeholder="请选择产品"
          clearable
          class="!w-100%"
          :disabled="formType === 'update'"
        >
          <el-option
            v-for="product in productList"
            :key="product.id"
            :label="product.name"
            :value="product.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="版本号" prop="version" v-if="formType === 'create'">
        <el-input v-model="formData.version" placeholder="请输入版本号" />
      </el-form-item>
      <el-form-item label="固件文件" prop="fileUrl" v-if="formType === 'create'">
        <UploadFile
          v-model="formData.fileUrl"
          :file-type="['bin', 'zip', 'pdf']"
          :file-size="50"
          :limit="1"
        />
      </el-form-item>
      <!-- 更新时显示只读信息 -->
      <template v-if="formType === 'update'">
        <el-form-item label="版本号">
          <el-input v-model="formData.version" readonly />
        </el-form-item>
        <el-form-item label="固件文件">
          <el-link
            type="primary"
            :href="formData.fileUrl"
            target="_blank"
            download
            v-if="formData.fileUrl"
          >
            <Icon icon="ep:download" class="mr-5px" />
            下载固件文件
          </el-link>
          <span v-else>无文件</span>
        </el-form-item>
      </template>
    </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 setup lang="ts">
import { IoTOtaFirmwareApi, IoTOtaFirmware } from '@/api/iot/ota/firmware'
import { ProductApi, ProductVO } from '@/api/iot/product/product'
import { UploadFile } from '@/components/UploadFile'

/** IoT OTA 固件表单 */
defineOptions({ name: 'IoTOtaFirmwareForm' })

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 formType = ref('') // 表单的类型：create - 新增；update - 修改
const productList = ref<ProductVO[]>([]) // 产品列表
const formData = ref({
  id: undefined,
  name: undefined,
  description: undefined,
  version: undefined,
  productId: undefined,
  fileUrl: ''
})
const formRules = reactive({
  name: [{ required: true, message: '固件名称不能为空', trigger: 'blur' }],
  version: [{ required: true, message: '版本号不能为空', trigger: 'blur' }],
  productId: [{ required: true, message: '产品不能为空', trigger: 'change' }],
  fileUrl: [{ required: true, message: '固件文件不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()

  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await IoTOtaFirmwareApi.getOtaFirmware(id)
    } finally {
      formLoading.value = false
    }
  }

  // 获取产品列表
  productList.value = await ProductApi.getSimpleProductList()
}
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
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as IoTOtaFirmware
    if (formType.value === 'create') {
      await IoTOtaFirmwareApi.createOtaFirmware(data)
      message.success(t('common.createSuccess'))
    } else {
      // 更新时只提交可编辑的字段
      await IoTOtaFirmwareApi.updateOtaFirmware({
        id: data.id,
        name: data.name,
        description: data.description
      })
      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 = {
    id: undefined,
    name: undefined,
    description: undefined,
    version: undefined,
    productId: undefined,
    fileUrl: ''
  }
  formRef.value?.resetFields()
}
</script>