<template>
  <div class="mobile-sale-return">
    <!-- 顶部操作栏 -->
    <div class="mobile-header">
      <div class="mobile-header__search">
        <el-input
          v-model="queryParams.no"
          placeholder="搜索退货单号"
          clearable
          @keyup.enter="handleQuery"
          :prefix-icon="Search"
        />
      </div>
      <div class="mobile-header__actions">
        <el-button :icon="Filter" circle @click="filterVisible = true" />
        <el-button
          type="primary"
          :icon="Plus"
          circle
          @click="openForm('create')"
          v-hasPermi="['erp:sale-return:create']"
        />
      </div>
    </div>

    <div class="mobile-header__quick-filter">
      <div
        class="quick-filter-item"
        :class="{ active: queryParams.status === undefined }"
        @click="handleQuickFilter(undefined)"
      >
        全部订单
      </div>
      <div
        class="quick-filter-item"
        :class="{ active: queryParams.status === 10 }"
        @click="handleQuickFilter(10)"
      >
        待审核
      </div>
      <div
        class="quick-filter-item"
        :class="{ active: queryParams.status === 20 }"
        @click="handleQuickFilter(20)"
      >
        已审核
      </div>
    </div>

    <!-- 卡片列表 -->
    <div class="mobile-list" v-loading="loading">
      <div v-if="list.length === 0 && !loading" class="mobile-empty">
        <el-empty description="暂无销售退货" />
      </div>
      <div
        v-for="item in list"
        :key="item.id"
        class="mobile-card"
        @click="handleCardClick(item)"
      >
        <div class="mobile-card__header">
          <span class="mobile-card__no">{{ item.no }}</span>
          <dict-tag :type="DICT_TYPE.ERP_AUDIT_STATUS" :value="item.status" />
        </div>
        <div class="mobile-card__body">
          <div class="mobile-card__row">
            <span class="mobile-card__label">客户</span>
            <span class="mobile-card__value">{{ item.customerName || '-' }}</span>
          </div>
          <div class="mobile-card__row">
            <span class="mobile-card__label">产品</span>
            <span class="mobile-card__value mobile-card__value--ellipsis">{{ item.productNames || '-' }}</span>
          </div>
          <div class="mobile-card__row">
            <span class="mobile-card__label">退货时间</span>
            <span class="mobile-card__value">{{ formatDate2Fn(item.returnTime) }}</span>
          </div>
          <div class="mobile-card__row">
            <span class="mobile-card__label">创建人</span>
            <span class="mobile-card__value">{{ item.creatorName || '-' }}</span>
          </div>
          <div class="mobile-card__nums">
            <div class="mobile-card__num-item">
              <div class="mobile-card__num-val">{{ erpCountInputFormatter(item.totalCount) }}</div>
              <div class="mobile-card__num-label">总数量</div>
            </div>
            <div class="mobile-card__num-item">
              <div class="mobile-card__num-val mobile-card__num-val--price">¥{{ erpPriceInputFormatter(item.totalPrice) }}</div>
              <div class="mobile-card__num-label">应退</div>
            </div>
            <div class="mobile-card__num-item">
              <div class="mobile-card__num-val">¥{{ erpPriceInputFormatter(item.refundPrice) }}</div>
              <div class="mobile-card__num-label">已退</div>
            </div>
            <div class="mobile-card__num-item">
              <div class="mobile-card__num-val" :class="{ 'mobile-card__num-val--danger': item.refundPrice !== item.totalPrice }">
                ¥{{ erpPriceInputFormatter(item.totalPrice - item.refundPrice) }}
              </div>
              <div class="mobile-card__num-label">未退</div>
            </div>
          </div>
        </div>
        <div class="mobile-card__footer">
          <el-button size="small" @click.stop="openForm('detail', item.id)" v-hasPermi="['erp:sale-return:query']">详情</el-button>
          <el-button size="small" type="primary" @click.stop="openForm('update', item.id)" v-hasPermi="['erp:sale-return:update']" :disabled="item.status === 20">编辑</el-button>
          <el-button size="small" type="primary" @click.stop="handleUpdateStatus(item.id, 20)" v-hasPermi="['erp:sale-return:update-status']" v-if="item.status === 10">审批</el-button>
          <el-button size="small" type="danger" @click.stop="handleUpdateStatus(item.id, 10)" v-hasPermi="['erp:sale-return:update-status']" v-if="item.status === 20">反审批</el-button>
          <el-button size="small" type="danger" @click.stop="handleDelete([item.id])" v-hasPermi="['erp:sale-return:delete']">删除</el-button>
        </div>
      </div>
    </div>

    <!-- 分页 -->
    <div class="mobile-pagination" v-if="total > 0">
      <Pagination
        :total="total"
        v-model:page="queryParams.pageNo"
        v-model:limit="queryParams.pageSize"
        :page-sizes="[10, 20]"
        layout="total, prev, pager, next"
        :pager-count="5"
        @pagination="getList"
      />
    </div>

    <!-- 筛选抽屉 -->
    <el-drawer v-model="filterVisible" title="筛选条件" direction="btt" size="70%">
      <el-form :model="queryParams" ref="queryFormRef" label-position="top">
        <el-form-item label="产品" prop="productId">
          <el-select v-model="queryParams.productId" clearable filterable placeholder="请选择产品" style="width:100%">
            <el-option v-for="item in productList" :key="item.id" :label="item.name" :value="item.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="客户" prop="customerId">
          <el-select v-model="queryParams.customerId" clearable filterable placeholder="请选择客户" style="width:100%">
            <el-option v-for="item in customerList" :key="item.id" :label="item.name" :value="item.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="退货时间" prop="outTime">
          <el-date-picker v-model="queryParams.outTime" value-format="YYYY-MM-DD HH:mm:ss" type="daterange" start-placeholder="开始日期" end-placeholder="结束日期" :default-time="[new Date('1 00:00:00'), new Date('1 23:59:59')]" style="width:100%" />
        </el-form-item>
        <el-form-item label="仓库" prop="warehouseId">
          <el-select v-model="queryParams.warehouseId" clearable filterable placeholder="请选择仓库" style="width:100%">
            <el-option v-for="item in warehouseList" :key="item.id" :label="item.name" :value="item.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="审核状态" prop="status">
          <el-select v-model="queryParams.status" placeholder="请选择状态" clearable style="width:100%">
            <el-option v-for="dict in getIntDictOptions(DICT_TYPE.ERP_AUDIT_STATUS)" :key="dict.value" :label="dict.label" :value="dict.value" />
          </el-select>
        </el-form-item>
        <el-form-item label="退款状态" prop="refundStatus">
          <el-select v-model="queryParams.refundStatus" placeholder="请选择" clearable style="width:100%">
            <el-option label="未退款" value="0" />
            <el-option label="部分退款" value="1" />
            <el-option label="全部退款" value="2" />
          </el-select>
        </el-form-item>
      </el-form>
      <template #footer>
        <el-button @click="resetQuery">重置</el-button>
        <el-button type="primary" @click="handleFilterConfirm">确认筛选</el-button>
      </template>
    </el-drawer>

    <!-- 表单弹窗：添加/修改 -->
    <SaleReturnForm ref="formRef" @success="getList" />
  </div>
</template>

<script setup lang="ts">
import { Search, Filter, Plus } from '@element-plus/icons-vue'
import { getIntDictOptions, DICT_TYPE } from '@/utils/dict'
import { formatDate } from '@/utils/formatTime'
import download from '@/utils/download'
import { SaleReturnApi, SaleReturnVO } from '@/api/erp/sale/return'
import SaleReturnForm from './SaleReturnForm.vue'
import { ProductApi, ProductVO } from '@/api/erp/product/product'
import { UserVO } from '@/api/system/user'
import * as UserApi from '@/api/system/user'
import {
  erpCountInputFormatter,
  erpPriceInputFormatter
} from '@/utils'
import { CustomerApi, CustomerVO } from '@/api/erp/sale/customer'
import { WarehouseApi, WarehouseVO } from '@/api/erp/stock/warehouse'
import { AccountApi, AccountVO } from '@/api/erp/finance/account'

/** ERP 销售退货列表 */
defineOptions({ name: 'ErpSaleReturn' })

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

const loading = ref(true) // 列表的加载中
const list = ref<SaleReturnVO[]>([]) // 列表的数据
const total = ref(0) // 列表的总页数
const filterVisible = ref(false) // 筛选抽屉

const formatDate2Fn = (date: any) => {
  if (!date) return '-'
  return formatDate(new Date(date), 'YYYY-MM-DD')
}

const queryParams = reactive({
  pageNo: 1,
  pageSize: 10,
  no: undefined,
  customerId: undefined,
  productId: undefined,
  warehouseId: undefined,
  returnTime: [],
  orderNo: undefined,
  accountId: undefined,
  status: undefined,
  remark: undefined,
  creator: undefined,
  refundStatus: undefined
})
const queryFormRef = ref() // 搜索的表单
const exportLoading = ref(false) // 导出的加载中
const productList = ref<ProductVO[]>([]) // 产品列表
const customerList = ref<CustomerVO[]>([]) // 客户列表
const userList = ref<UserVO[]>([]) // 用户列表
const warehouseList = ref<WarehouseVO[]>([]) // 仓库列表
const accountList = ref<AccountVO[]>([]) // 账户列表

/** 查询列表 */
const getList = async () => {
  loading.value = true
  try {
    const data = await SaleReturnApi.getSaleReturnPage(queryParams)
    list.value = data.list
    total.value = data.total
  } finally {
    loading.value = false
  }
}

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.pageNo = 1
  getList()
}

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef.value?.resetFields()
  handleQuery()
}

/** 筛选确认 */
const handleFilterConfirm = () => {
  filterVisible.value = false
  handleQuery()
}

/** 添加/修改操作 */
const formRef = ref()
const openForm = (type: string, id?: number) => {
  formRef.value.open(type, id)
}

/** 卡片点击 */
const handleCardClick = (row: SaleReturnVO) => {
  if (row.status === 20) {
    openForm('detail', row.id)
  } else if (row.status === 10) {
    openForm('update', row.id)
  }
}

/** 删除按钮操作 */
const handleDelete = async (ids: number[]) => {
  try {
    // 删除的二次确认
    await message.delConfirm()
    // 发起删除
    await SaleReturnApi.deleteSaleReturn(ids)
    message.success(t('common.delSuccess'))
    // 刷新列表
    await getList()
  } catch {}
}

/** 审批/反审批操作 */
const handleUpdateStatus = async (id: number, status: number) => {
  try {
    // 审批的二次确认
    await message.confirm(`确定${status === 20 ? '审批' : '反审批'}该退货吗？`)
    // 发起审批
    await SaleReturnApi.updateSaleReturnStatus(id, status)
    message.success(`${status === 20 ? '审批' : '反审批'}成功`)
    // 刷新列表
    await getList()
  } catch {}
}

/** 导出按钮操作 */
const handleExport = async () => {
  try {
    // 导出的二次确认
    await message.exportConfirm()
    // 发起导出
    exportLoading.value = true
    const data = await SaleReturnApi.exportSaleReturn(queryParams)
    download.excel(data, '销售退货.xls')
  } catch {
  } finally {
    exportLoading.value = false
  }
}

/** 初始化 **/
onMounted(async () => {
  await getList()
  // 加载产品、仓库列表、客户
  productList.value = await ProductApi.getProductSimpleList()
  customerList.value = await CustomerApi.getCustomerSimpleList()
  userList.value = await UserApi.getSimpleUserList()
  warehouseList.value = await WarehouseApi.getWarehouseSimpleList()
  accountList.value = await AccountApi.getAccountSimpleList()
})

/** 快捷分类筛选 */
const handleQuickFilter = (status: number | undefined) => {
  queryParams.status = status
  queryParams.pageNo = 1
  getList()
}
// TODO 芋艿：可优化功能：列表界面，支持导入
// TODO 芋艿：可优化功能：详情界面，支持打印
</script>

<style lang="scss" scoped>

.mobile-header__quick-filter {
  display: flex;
  gap: 12px;
  margin: 8px 0;
  justify-content: flex-start;

  .quick-filter-item {
    padding: 4px 12px;
    font-size: 14px;
    border-radius: 20px;
    cursor: pointer;
    color: #909399;
    background: transparent;
    transition: all 0.2s;

    &.active {
      color: #fff;
      background: #409eff;
    }
  }
}


.mobile-sale-return {
  padding: 12px;
  background: #f5f5f5;
  min-height: 100vh;
}

.mobile-header {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;

  &__search {
    flex: 1;
  }

  &__actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
  }
}

.mobile-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-empty {
  padding: 40px 0;
}

.mobile-card {
  background: #fff;
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);

  &__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
  }

  &__no {
    font-weight: 600;
    font-size: 15px;
    color: #303133;
  }

  &__body {
    font-size: 13px;
  }

  &__row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
  }

  &__label {
    color: #909399;
    flex-shrink: 0;
    margin-right: 12px;
  }

  &__value {
    color: #606266;
    text-align: right;

    &--ellipsis {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 200px;
    }
  }

  &__nums {
    display: flex;
    justify-content: space-around;
    margin-top: 10px;
    padding: 10px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
  }

  &__num-item {
    text-align: center;
  }

  &__num-val {
    font-size: 15px;
    font-weight: 600;
    color: #303133;

    &--price {
      color: #e6a23c;
    }

    &--danger {
      color: #f56c6c;
    }
  }

  &__num-label {
    font-size: 11px;
    color: #909399;
    margin-top: 2px;
  }

  &__footer {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
  }
}

.mobile-pagination {
  margin-top: 12px;
  display: flex;
  justify-content: center;

  :deep(.el-pagination) {
    flex-wrap: wrap;
    justify-content: center;
  }
}
</style>
