<template>
  <el-drawer
    v-model="dialogVisible"
    :title="dialogTitle"
    direction="rtl"
    size="100%"
    :close-on-press-escape="true"
    :destroy-on-close="true"
    :append-to-body="true"
    class="mobile-form-drawer"
  >
    <div class="mobile-form" v-loading="formLoading">
      <el-form
        ref="formRef"
        :model="formData"
        :rules="formRules"
        label-position="top"
      >
        <div class="mobile-form-section">
          <div class="mobile-form-section__title">基础信息</div>
          <el-form-item label="产品名称" prop="name">
            <el-input v-model="formData.name" placeholder="请输入产品名称" clearable />
          </el-form-item>
          <el-form-item label="产品条码" prop="barCode">
            <el-input v-model="formData.barCode" placeholder="请输入产品条码" clearable />
          </el-form-item>
          <el-form-item label="产品分类" prop="categoryId">
            <el-tree-select
              v-model="formData.categoryId"
              :data="categoryList"
              :props="defaultProps"
              check-strictly
              default-expand-all
              placeholder="请选择产品分类"
            />
          </el-form-item>
          <el-form-item label="产品单位" prop="unitId">
            <el-select v-model="formData.unitId" clearable placeholder="请选择产品单位">
              <el-option
                v-for="unit in unitList"
                :key="unit.id"
                :label="unit.name"
                :value="unit.id"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="产品规格" prop="standard">
            <el-input v-model="formData.standard" placeholder="请输入产品规格" clearable />
          </el-form-item>
        </div>

        <div class="mobile-form-section">
          <div class="mobile-form-section__title">价格信息</div>
          <el-form-item label="采购价格（元）" prop="purchasePrice">
            <el-input-number
              v-model="formData.purchasePrice"
              placeholder="请输入采购价格"
              :min="0"
              :precision="4"
              controls-position="right"
            />
          </el-form-item>
          <el-form-item label="销售价格（元）" prop="salePrice">
            <el-input-number
              v-model="formData.salePrice"
              placeholder="请输入销售价格"
              :min="0"
              :precision="4"
              controls-position="right"
            />
          </el-form-item>
          <el-form-item label="货值（元）" prop="minPrice">
            <el-input-number
              v-model="formData.minPrice"
              placeholder="请输入最低价格"
              :min="0"
              :precision="4"
              controls-position="right"
            />
          </el-form-item>
        </div>

        <div class="mobile-form-section">
          <div class="mobile-form-section__title">库存信息</div>
          <el-form-item label="库存预警数量" prop="stockAlertCount">
            <el-input-number
              v-model="formData.stockAlertCount"
              placeholder="请输入库存预警数量"
              :min="0"
              :precision="2"
              controls-position="right"
            />
          </el-form-item>
          <el-form-item label="保质期天数" prop="expiryDay">
            <el-input-number
              v-model="formData.expiryDay"
              placeholder="请输入保质期天数"
              :min="0"
              :precision="0"
              controls-position="right"
            />
          </el-form-item>
          <el-form-item label="重量（kg）" prop="weight">
            <el-input-number
              v-model="formData.weight"
              placeholder="请输入重量"
              :min="0"
              controls-position="right"
            />
          </el-form-item>
        </div>

        <div class="mobile-form-section">
          <div class="mobile-form-section__title">供应商信息</div>
          <el-form-item label="供应商" prop="supplierId">
            <el-select v-model="formData.supplierId" clearable filterable placeholder="请选择供应商">
              <el-option
                v-for="item in supplierList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
        </div>

        <div class="mobile-form-section">
          <div class="mobile-form-section__title">其他信息</div>
          <el-form-item label="备注" prop="remark">
            <el-input type="textarea" v-model="formData.remark" placeholder="请输入备注" :rows="3" />
          </el-form-item>
        </div>

        <div class="mobile-form-section">
          <div class="mobile-form-section__title">状态信息</div>
          <el-form-item label="开启状态" prop="status">
            <el-radio-group v-model="formData.status">
              <el-radio
                v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
                :key="dict.value"
                :value="dict.value"
              >
                {{ dict.label }}
              </el-radio>
            </el-radio-group>
          </el-form-item>
        </div>
      </el-form>

      <!-- 底部操作按钮 -->
      <div class="mobile-form__footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      </div>
    </div>
  </el-drawer>
</template>
<script setup lang="ts">
import { ProductApi, ProductVO } from '@/api/erp/product/product'
import { ProductCategoryApi, ProductCategoryVO } from '@/api/erp/product/category'
import { ProductUnitApi, ProductUnitVO } from '@/api/erp/product/unit'
import { SupplierApi, SupplierVO } from '@/api/erp/purchase/supplier'
import { CommonStatusEnum } from '@/utils/constants'
import { defaultProps, handleTree } from '@/utils/tree'
import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'

/** ERP 产品 表单 */
defineOptions({ name: 'ProductForm' })

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 formData = ref({
  id: undefined,
  name: undefined,
  barCode: undefined,
  categoryId: undefined,
  unitId: undefined,
  status: undefined,
  standard: undefined,
  remark: undefined,
  expiryDay: undefined,
  weight: undefined,
  purchasePrice: undefined,
  salePrice: undefined,
  minPrice: undefined,
  supplierId: undefined
})
const formRules = reactive({
  name: [{ required: true, message: '产品名称不能为空', trigger: 'blur' }],
  barCode: [{ required: true, message: '产品条码不能为空', trigger: 'blur' }],
  categoryId: [{ required: true, message: '产品分类编号不能为空', trigger: 'blur' }],
  unitId: [{ required: true, message: '单位编号不能为空', trigger: 'blur' }],
  status: [{ required: true, message: '产品状态不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref
const categoryList = ref<ProductCategoryVO[]>([]) // 产品分类列表
const unitList = ref<ProductUnitVO[]>([]) // 产品单位列表
const supplierList = ref<SupplierVO[]>([]) // 供应商列表

/** 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 ProductApi.getProduct(id)
    } finally {
      formLoading.value = false
    }
  }
  // 产品分类
  const categoryData = await ProductCategoryApi.getProductCategorySimpleList()
  categoryList.value = handleTree(categoryData, 'id', 'parentId')
  // 产品单位
  unitList.value = await ProductUnitApi.getProductUnitSimpleList()
  // 供应商列表
  supplierList.value = await SupplierApi.getSupplierSimpleList()
}
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 ProductVO
    if (formType.value === 'create') {
      await ProductApi.createProduct(data)
      message.success(t('common.createSuccess'))
    } else {
      await ProductApi.updateProduct(data)
      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,
    barCode: undefined,
    categoryId: undefined,
    unitId: undefined,
    status: CommonStatusEnum.ENABLE,
    standard: undefined,
    remark: undefined,
    expiryDay: undefined,
    weight: undefined,
    purchasePrice: undefined,
    salePrice: undefined,
    minPrice: undefined,
    supplierId: undefined
  }
  formRef.value?.resetFields()
}
</script>

<style lang="scss" scoped>
.mobile-form {
  padding: 12px;
}
.mobile-form-section {
  background: #fff;
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}
.mobile-form-section__title {
  font-size: 15px;
  font-weight: 600;
  color: #303133;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f0f0f0;
}
.mobile-form__footer {
  position: sticky;
  bottom: 0;
  background: #fff;
  padding: 12px 16px;
  padding-bottom: calc(12px + constant(safe-area-inset-bottom));
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid #eee;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  z-index: 10;
  margin: 0 -12px -12px;

  .el-button {
    flex: 1;
    height: 40px;
    font-size: 15px;
  }
}

:deep(.el-form-item) {
  margin-bottom: 16px;
}
:deep(.el-input),
:deep(.el-select),
:deep(.el-input-number),
:deep(.el-tree-select) {
  width: 100% !important;
}
</style>
