<!-- 产品的物模型表单（property 项） -->
<template>
  <el-form-item
    :rules="[{ required: true, message: '请选择数据类型', trigger: 'change' }]"
    label="数据类型"
    prop="property.dataType"
  >
    <el-select v-model="property.dataType" placeholder="请选择数据类型" @change="handleChange">
      <!-- ARRAY 和 STRUCT 类型数据相互嵌套时，最多支持递归嵌套 2 层（父和子） -->
      <el-option
        v-for="option in getDataTypeOptions2"
        :key="option.value"
        :label="`${option.value}(${option.label})`"
        :value="option.value"
      />
    </el-select>
  </el-form-item>
  <!-- 数值型配置 -->
  <ThingModelNumberDataSpecs
    v-if="
      [
        IoTDataSpecsDataTypeEnum.INT,
        IoTDataSpecsDataTypeEnum.DOUBLE,
        IoTDataSpecsDataTypeEnum.FLOAT
      ].includes(property.dataType || '')
    "
    v-model="property.dataSpecs"
  />
  <!-- 枚举型配置 -->
  <ThingModelEnumDataSpecs
    v-if="property.dataType === IoTDataSpecsDataTypeEnum.ENUM"
    v-model="property.dataSpecsList"
  />
  <!-- 布尔型配置 -->
  <el-form-item v-if="property.dataType === IoTDataSpecsDataTypeEnum.BOOL" label="布尔值">
    <template v-for="(item, index) in property.dataSpecsList" :key="item.value">
      <div class="flex items-center justify-start w-1/1 mb-5px">
        <span>{{ item.value }}</span>
        <span class="mx-2">-</span>
        <el-form-item
          :prop="`property.dataSpecsList[${index}].name`"
          :rules="[
            { required: true, message: '枚举描述不能为空' },
            { validator: validateBoolName, trigger: 'blur' }
          ]"
          class="flex-1 mb-0"
        >
          <el-input
            v-model="item.name"
            :placeholder="`如：${item.value === 0 ? '关' : '开'}`"
            class="w-255px!"
          />
        </el-form-item>
      </div>
    </template>
  </el-form-item>
  <!-- 文本型配置 -->
  <el-form-item
    v-if="property.dataType === IoTDataSpecsDataTypeEnum.TEXT"
    label="数据长度"
    prop="property.dataSpecs.length"
  >
    <el-input v-model="property.dataSpecs.length" class="w-255px!" placeholder="请输入文本字节长度">
      <template #append>字节</template>
    </el-input>
  </el-form-item>
  <!-- 时间型配置 -->
  <el-form-item
    v-if="property.dataType === IoTDataSpecsDataTypeEnum.DATE"
    label="时间格式"
    prop="date"
  >
    <el-input class="w-255px!" disabled placeholder="String 类型的 UTC 时间戳（毫秒）" />
  </el-form-item>
  <!-- 数组型配置-->
  <ThingModelArrayDataSpecs
    v-if="property.dataType === IoTDataSpecsDataTypeEnum.ARRAY"
    v-model="property.dataSpecs"
  />
  <!-- Struct 型配置-->
  <ThingModelStructDataSpecs
    v-if="property.dataType === IoTDataSpecsDataTypeEnum.STRUCT"
    v-model="property.dataSpecsList"
  />
  <el-form-item v-if="!isStructDataSpecs && !isParams" label="读写类型" prop="property.accessMode">
    <el-radio-group v-model="property.accessMode">
      <el-radio
        v-for="accessMode in Object.values(IoTThingModelAccessModeEnum)"
        :key="accessMode.value"
        :label="accessMode.value"
      >
        {{ accessMode.label }}
      </el-radio>
    </el-radio-group>
  </el-form-item>
</template>

<script lang="ts" setup>
import { useVModel } from '@vueuse/core'
import {
  ThingModelArrayDataSpecs,
  ThingModelEnumDataSpecs,
  ThingModelNumberDataSpecs,
  ThingModelStructDataSpecs
} from './dataSpecs'
import { ThingModelProperty, validateBoolName } from '@/api/iot/thingmodel'
import { isEmpty } from '@/utils/is'
import {
  getDataTypeOptions,
  IoTDataSpecsDataTypeEnum,
  IoTThingModelAccessModeEnum
} from '@/views/iot/utils/constants'

/** IoT 物模型属性 */
defineOptions({ name: 'ThingModelProperty' })

const props = defineProps<{ modelValue: any; isStructDataSpecs?: boolean; isParams?: boolean }>()
const emits = defineEmits(['update:modelValue'])
const property = useVModel(props, 'modelValue', emits) as Ref<ThingModelProperty>
const getDataTypeOptions2 = computed(() => {
  if (!props.isStructDataSpecs) {
    return getDataTypeOptions()
  }
  const excludedTypes = [IoTDataSpecsDataTypeEnum.STRUCT, IoTDataSpecsDataTypeEnum.ARRAY]
  return getDataTypeOptions().filter((item: any) => !excludedTypes.includes(item.value))
}) // 获得数据类型列表

/** 属性值的数据类型切换时初始化相关数据 */
const handleChange = (dataType: any) => {
  property.value.dataSpecs = {}
  property.value.dataSpecsList = []
  // 不是列表型数据才设置 dataSpecs.dataType
  ![
    IoTDataSpecsDataTypeEnum.ENUM,
    IoTDataSpecsDataTypeEnum.BOOL,
    IoTDataSpecsDataTypeEnum.STRUCT
  ].includes(dataType) && (property.value.dataSpecs.dataType = dataType)
  switch (dataType) {
    case IoTDataSpecsDataTypeEnum.ENUM:
      property.value.dataSpecsList.push({
        dataType: IoTDataSpecsDataTypeEnum.ENUM,
        name: '', // 枚举项的名称
        value: undefined // 枚举值
      })
      break
    case IoTDataSpecsDataTypeEnum.BOOL:
      for (let i = 0; i < 2; i++) {
        property.value.dataSpecsList.push({
          dataType: IoTDataSpecsDataTypeEnum.BOOL,
          name: '', // 布尔值的名称
          value: i // 布尔值
        })
      }
      break
  }
}

/** 默认选中读写 */
watch(
  () => property.value.accessMode,
  (val: string) => {
    if (props.isStructDataSpecs || props.isParams) {
      return
    }
    isEmpty(val) && (property.value.accessMode = IoTThingModelAccessModeEnum.READ_WRITE.value)
  },
  { immediate: true }
)
</script>

<style lang="scss" scoped>
:deep(.el-form-item) {
  .el-form-item {
    margin-bottom: 0;
  }
}
</style>