<template>
  <ContentWrap>
    <!-- 搜索工作栏 -->
    <el-form
      class="-mb-15px"
      :model="queryParams"
      ref="queryFormRef"
      :inline="true"
      label-width="68px"
    >
      <el-form-item label="新闻标题" prop="newsTitle">
        <el-input
          v-model="queryParams.newsTitle"
          placeholder="请输入新闻标题"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="新闻描述" prop="newsDesc">
        <el-input
          v-model="queryParams.newsDesc"
          placeholder="请输入新闻描述"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="新闻类型" prop="newsTypeId">
        <el-select v-model="queryParams.newsTypeId" placeholder="请选择新闻类型" clearable class="!w-240px">
          <el-option
            v-for="dict in getStrDictOptions(DICT_TYPE.PORTAL_NEWS_TYPE)"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="发布时间" prop="publishTime">
        <el-date-picker
          v-model="queryParams.publishTime"
          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')]"
          class="!w-220px"
        />
      </el-form-item>
      <el-form-item>
        <el-button @click="handleQuery"><Icon icon="ep:search" class="mr-5px" /> 搜索</el-button>
        <el-button @click="resetQuery"><Icon icon="ep:refresh" class="mr-5px" /> 重置</el-button>
        <el-button
          type="primary"
          plain
          @click="openForm('create')"
          v-hasPermi="['portal:news:create']"
        >
          <Icon icon="ep:plus" class="mr-5px" /> 新增
        </el-button>
        <el-button
          type="success"
          plain
          @click="handleExport"
          :loading="exportLoading"
          v-hasPermi="['portal:news:export']"
        >
          <Icon icon="ep:download" class="mr-5px" /> 导出
        </el-button>
      </el-form-item>
    </el-form>
  </ContentWrap>

  <!-- 列表 -->
  <ContentWrap>
    <el-table v-loading="loading" :data="list" :stripe="true" :show-overflow-tooltip="true">
      <el-table-column label="主键ID" align="center" prop="id" />
      <el-table-column label="新闻标题" align="center" prop="newsTitle" />
      <el-table-column label="新闻描述" align="center" prop="newsDesc" />
      <el-table-column label="新闻内容" align="center" prop="newsContent" />
      <el-table-column label="新闻路径" align="center" prop="newsPath" />
      <el-table-column label="封面图片" align="center" prop="coverImg" />

      <el-table-column label="商品信息" min-width="300">
        <template #default="{ row }">
          <div class="flex">
            <el-image
              fit="cover"
              :src="row.coverImg"
              class="flex-none w-50px h-50px"
              @click="imagePreview(row.coverImg)"
            /></div>
        </template>
      </el-table-column>
      <el-table-column label="新闻类型" align="center" prop="newsTypeId">
        <template #default="scope">
          <dict-tag :type="DICT_TYPE.PORTAL_NEWS_TYPE" :value="scope.row.newsTypeId" />
        </template>
      </el-table-column>
      <el-table-column
        label="发布时间"
        align="center"
        prop="publishTime"
        :formatter="dateFormatter"
        width="180px"
      />
      <el-table-column
        label="创建时间"
        align="center"
        prop="createTime"
        :formatter="dateFormatter"
        width="180px"
      />
      <el-table-column label="操作" align="center" min-width="120px">
        <template #default="scope">
          <el-button
            link
            type="primary"
            @click="openForm('update', scope.row.id)"
            v-hasPermi="['portal:news:update']"
          >
            编辑
          </el-button>
          <el-button
            link
            type="danger"
            @click="handleDelete(scope.row.id)"
            v-hasPermi="['portal:news:delete']"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页 -->
    <Pagination
      :total="total"
      v-model:page="queryParams.pageNo"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />
  </ContentWrap>

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

<script setup lang="ts">
import { dateFormatter } from '@/utils/formatTime'
import download from '@/utils/download'
import { NewsApi, NewsVO } from '@/api/portal/news'
import NewsForm from './NewsForm.vue'
import {DICT_TYPE, getStrDictOptions} from "@/utils/dict";
import { createImageViewer } from '@/components/ImageViewer'

/** 新闻 列表 */
defineOptions({ name: 'News' })

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<NewsVO[]>([]) // 列表的数据
const total = ref(0) // 列表的总页数
const queryParams = reactive({
  pageNo: 1,
  pageSize: 10,
  newsTitle: undefined,
  newsDesc: undefined,
  newsContent: undefined,
  newsPath: undefined,
  coverImg: undefined,
  newsTypeId: undefined,
  publishTime: [],
  createTime: []
})
const queryFormRef = ref() // 搜索的表单
const exportLoading = ref(false) // 导出的加载中

/** 查询列表 */
const getList = async () => {
  loading.value = true
  try {
    const data = await NewsApi.getNewsPage(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()
}

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

/** 删除按钮操作 */
const handleDelete = async (id: number) => {
  try {
    // 删除的二次确认
    await message.delConfirm()
    // 发起删除
    await NewsApi.deleteNews(id)
    message.success(t('common.delSuccess'))
    // 刷新列表
    await getList()
  } catch {}
}
/** 商品图预览 */
const imagePreview = (imgUrl: string) => {
  createImageViewer({
    urlList: [imgUrl]
  })
}

/** 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 NewsApi.exportNews(queryParams)
    download.excel(data, '新闻.xls')
  } catch {
  } finally {
    exportLoading.value = false
  }
}

/** 初始化 **/
onMounted(() => {
  getList()
})
</script>
