<template>
  <el-form ref="productSpuBasicInfoRef" :model="formData" :rules="rules" label-width="120px">
    <el-row>
      <el-col :span="12">
        <el-form-item label="商品名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入商品名称" />
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <!-- TODO @puhui999：只能选根节点 -->
        <el-form-item label="商品分类" prop="categoryId">
          <el-tree-select
            v-model="formData.categoryId"
            :data="categoryList"
            :props="defaultProps"
            check-strictly
            class="w-1/1"
            node-key="id"
            placeholder="请选择商品分类"
          />
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="商品关键字" prop="keyword">
          <el-input v-model="formData.keyword" placeholder="请输入商品关键字" />
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="单位" prop="unit">
          <el-select v-model="formData.unit" class="w-1/1" placeholder="请选择单位">
            <el-option
              v-for="dict in getIntDictOptions(DICT_TYPE.PRODUCT_UNIT)"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="商品简介" prop="introduction">
          <el-input
            v-model="formData.introduction"
            :rows="3"
            placeholder="请输入商品简介"
            type="textarea"
          />
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="商品封面图" prop="picUrl">
          <UploadImg v-model="formData.picUrl" height="80px" />
        </el-form-item>
      </el-col>
      <el-col :span="24">
        <el-form-item label="商品轮播图" prop="sliderPicUrls">
          <UploadImgs v-model:modelValue="formData.sliderPicUrls" />
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="运费模板" prop="deliveryTemplateId">
          <el-select v-model="formData.deliveryTemplateId" placeholder="请选择">
            <el-option v-for="item in []" :key="item.id" :label="item.name" :value="item.id" />
          </el-select>
          <el-button class="ml-20px">运费模板</el-button>
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="品牌" prop="brandId">
          <el-select v-model="formData.brandId" placeholder="请选择">
            <el-option
              v-for="item in brandList"
              :key="item.id"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="商品规格" props="specType">
          <el-radio-group v-model="formData.specType" @change="onChangeSpec">
            <el-radio :label="false" class="radio">单规格</el-radio>
            <el-radio :label="true">多规格</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-col>
      <el-col :span="12">
        <el-form-item label="分销类型" props="subCommissionType">
          <el-radio-group v-model="formData.subCommissionType" @change="changeSubCommissionType">
            <el-radio :label="false">默认设置</el-radio>
            <el-radio :label="true" class="radio">自行设置</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-col>
      <!-- 多规格添加-->
      <el-col :span="24">
        <el-form-item v-if="formData.specType" label="商品属性">
          <!-- TODO @puhui999：参考 https://admin.java.crmeb.net/store/list/creatProduct 添加规格好做么？添加的时候，不用输入备注哈 fix-->
          <el-button class="mr-15px mb-10px" @click="attributesAddFormRef.open">添加规格</el-button>
          <ProductAttributes :propertyList="propertyList" @success="generateSkus" />
        </el-form-item>
        <template v-if="formData.specType && propertyList.length > 0">
          <el-form-item label="批量设置">
            <SkuList :is-batch="true" :prop-form-data="formData" :propertyList="propertyList" />
          </el-form-item>
          <el-form-item label="属性列表">
            <SkuList ref="skuListRef" :prop-form-data="formData" :propertyList="propertyList" />
          </el-form-item>
        </template>
        <el-form-item v-if="!formData.specType">
          <SkuList :prop-form-data="formData" :propertyList="propertyList" />
        </el-form-item>
      </el-col>
    </el-row>
  </el-form>
  <ProductAttributesAddForm ref="attributesAddFormRef" :propertyList="propertyList" />
</template>
<script lang="ts" name="ProductSpuBasicInfoForm" setup>
import { PropType } from 'vue'
import { copyValueToTarget } from '@/utils'
import { propTypes } from '@/utils/propTypes'
import { defaultProps, handleTree } from '@/utils/tree'
import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
import type { SpuType } from '@/api/mall/product/spu'
import { UploadImg, UploadImgs } from '@/components/UploadFile'
import { ProductAttributes, ProductAttributesAddForm, SkuList } from './index'
import * as ProductCategoryApi from '@/api/mall/product/category'
import { getSimpleBrandList } from '@/api/mall/product/brand'

const message = useMessage() // 消息弹窗

const props = defineProps({
  propFormData: {
    type: Object as PropType<SpuType>,
    default: () => {}
  },
  activeName: propTypes.string.def('')
})
const attributesAddFormRef = ref() // 添加商品属性表单 TODO @puhui999：小写开头哈 fix
const productSpuBasicInfoRef = ref() // 表单Ref TODO @puhui999：小写开头哈  fix
// TODO @puhui999：attributeList 改成 propertyList，会更统一一点 fix
const propertyList = ref([]) // 商品属性列表
const skuListRef = ref() // 商品属性列表Ref
/** 调用 SkuList generateTableData 方法*/
const generateSkus = (propertyList) => {
  skuListRef.value.generateTableData(propertyList)
}
const formData = reactive<SpuType>({
  name: '', // 商品名称
  categoryId: null, // 商品分类
  keyword: '', // 关键字
  unit: '', // 单位
  picUrl: '', // 商品封面图
  sliderPicUrls: [], // 商品轮播图
  introduction: '', // 商品简介
  deliveryTemplateId: 1, // 运费模版
  brandId: null, // 商品品牌
  specType: false, // 商品规格
  subCommissionType: false, // 分销类型
  skus: []
})
const rules = reactive({
  name: [required],
  categoryId: [required],
  keyword: [required],
  unit: [required],
  introduction: [required],
  picUrl: [required],
  sliderPicUrls: [required],
  // deliveryTemplateId: [required],
  brandId: [required],
  specType: [required],
  subCommissionType: [required]
})

/**
 * 将传进来的值赋值给 formData
 */
watch(
  () => props.propFormData,
  (data) => {
    if (!data) return
    // fix：三个表单组件监听赋值必须使用 copyValueToTarget 使用 formData.value = data 会监听非常多次
    copyValueToTarget(formData, data)
    // fix: 多图上传组件需要一个包含url属性的对象才能正常回显
    formData.sliderPicUrls = data['sliderPicUrls'].map((item) => ({
      url: item
    }))
    // 只有是多规格才处理
    if (formData.specType) {
      // TODO @puhui999：可以直接拿 propertyName 拼接处规格 id + 属性，可以看下商品 uniapp 详情的做法
      // fix: 直接拿返回的 skus 属性逆向生成出 propertyList
      const properties = []
      formData.skus.forEach((sku) => {
        sku.properties.forEach(({ propertyId, propertyName, valueId, valueName }) => {
          // 添加属性
          if (!properties.some((item) => item.id === propertyId)) {
            properties.push({ id: propertyId, name: propertyName, values: [] })
          }
          // 添加属性值
          const index = properties.findIndex((item) => item.id === propertyId)
          if (!properties[index].values.some((value) => value.id === valueId)) {
            properties[index].values.push({ id: valueId, name: valueName })
          }
        })
      })
      propertyList.value = properties
    }
  },
  {
    // fix: 去掉深度监听只有对象引用发生改变的时候才执行,解决改一动多的问题
    immediate: true
  }
)

/**
 * 表单校验
 */
const emit = defineEmits(['update:activeName'])
const validate = async () => {
  // 校验表单
  if (!productSpuBasicInfoRef) return
  return await unref(productSpuBasicInfoRef).validate((valid) => {
    if (!valid) {
      message.warning('商品信息未完善！！')
      emit('update:activeName', 'basicInfo')
      // 目的截断之后的校验
      throw new Error('商品信息未完善！！')
    } else {
      // 校验通过更新数据
      Object.assign(props.propFormData, formData)
    }
  })
}
defineExpose({ validate })

/** 分销类型 */
const changeSubCommissionType = () => {
  // 默认为零，类型切换后也要重置为零
  for (const item of formData.skus) {
    item.subCommissionFirstPrice = 0
    item.subCommissionSecondPrice = 0
  }
}

/** 选择规格 */
const onChangeSpec = () => {
  // 重置商品属性列表
  propertyList.value = []
  // 重置sku列表
  formData.skus = [
    {
      price: 0,
      marketPrice: 0,
      costPrice: 0,
      barCode: '',
      picUrl: '',
      stock: 0,
      weight: 0,
      volume: 0,
      subCommissionFirstPrice: 0,
      subCommissionSecondPrice: 0
    }
  ]
}

const categoryList = ref([]) // 分类树
const brandList = ref([]) // 精简商品品牌列表
onMounted(async () => {
  // 获得分类树
  const data = await ProductCategoryApi.getCategoryList({})
  categoryList.value = handleTree(data, 'id', 'parentId')
  // 获取商品品牌列表
  brandList.value = await getSimpleBrandList()
})
</script>
