<template>
  <doc-alert title="公众号图文" url="https://doc.iocoder.cn/mp/article/" />

  <!-- 搜索工作栏 -->
  <ContentWrap>
    <el-form
      class="-mb-15px"
      :model="queryParams"
      ref="queryFormRef"
      :inline="true"
      label-width="68px"
    >
      <el-form-item label="公众号" prop="accountId">
        <WxAccountSelect @change="onAccountChanged" />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          plain
          @click="handleAdd"
          v-hasPermi="['mp:draft:create']"
          :disabled="accountId === 0"
        >
          <Icon icon="ep:plus" />新增
        </el-button>
      </el-form-item>
    </el-form>
  </ContentWrap>

  <!-- 列表 -->
  <ContentWrap>
    <DraftTable
      :loading="loading"
      :list="list"
      @update="onUpdate"
      @delete="onDelete"
      @publish="onPublish"
    />
    <!-- 分页记录 -->
    <Pagination
      :total="total"
      v-model:page="queryParams.pageNo"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />
  </ContentWrap>

  <!-- 添加或修改草稿对话框 -->
  <el-dialog
    :title="isCreating ? '新建图文' : '修改图文'"
    width="80%"
    v-model="showDialog"
    :before-close="onBeforeDialogClose"
    destroy-on-close
  >
    <NewsForm v-model="newsList" v-loading="isSubmitting" :is-creating="isCreating" />
    <template #footer>
      <el-button @click="showDialog = false">取 消</el-button>
      <el-button type="primary" @click="onSubmitNewsItem">提 交</el-button>
    </template>
  </el-dialog>
</template>

<script lang="ts" setup>
import WxAccountSelect from '@/views/mp/components/wx-account-select'
import * as MpDraftApi from '@/api/mp/draft'
import * as MpFreePublishApi from '@/api/mp/freePublish'
import {
  type Article,
  type NewsItem,
  NewsForm,
  DraftTable,
  createEmptyNewsItem
} from './components/'
// import drafts from './mock' // 可以用改本地数据模拟，避免API调用超限

defineOptions({ name: 'MpDraft' })

const message = useMessage() // 消息

const accountId = ref(-1)
provide('accountId', accountId)

const loading = ref(true) // 列表的加载中
const list = ref<any[]>([]) // 列表的数据
const total = ref(0) // 列表的总页数

const queryParams = reactive({
  pageNo: 1,
  pageSize: 10,
  accountId: accountId
})

// ========== 草稿新建 or 修改 ==========
const showDialog = ref(false)
const newsList = ref<NewsItem[]>([])
const mediaId = ref('')
const isCreating = ref(true)
const isSubmitting = ref(false)

/** 侦听公众号变化 **/
const onAccountChanged = (id: number) => {
  accountId.value = id
  queryParams.pageNo = 1
  getList()
}

// 关闭弹窗
const onBeforeDialogClose = async (onDone: () => {}) => {
  try {
    await message.confirm('修改内容可能还未保存，确定关闭吗?')
    onDone()
  } catch {
    //
  }
}

// ======================== 列表查询 ========================
/** 查询列表 */
const getList = async () => {
  loading.value = true
  try {
    const drafts = await MpDraftApi.getDraftPage(queryParams)
    drafts.list.forEach((draft) => {
      const newsList = draft.content.newsItem
      // 将 thumbUrl 转成 picUrl，保证 wx-news 组件可以预览封面
      newsList.forEach((item) => {
        item.picUrl = item.thumbUrl
      })
    })
    list.value = drafts.list
    total.value = drafts.total
  } finally {
    loading.value = false
  }
}

// ======================== 新增/修改草稿 ========================
/** 新增按钮操作 */
const handleAdd = () => {
  isCreating.value = true
  newsList.value = [createEmptyNewsItem()]
  showDialog.value = true
}

/** 更新按钮操作 */
const onUpdate = (item: Article) => {
  mediaId.value = item.mediaId
  newsList.value = JSON.parse(JSON.stringify(item.content.newsItem))
  isCreating.value = false
  showDialog.value = true
}

/** 提交按钮 */
const onSubmitNewsItem = async () => {
  isSubmitting.value = true
  try {
    if (isCreating.value) {
      await MpDraftApi.createDraft(accountId.value, newsList.value)
      message.notifySuccess('新增成功')
    } else {
      await MpDraftApi.updateDraft(accountId.value, mediaId.value, newsList.value)
      message.notifySuccess('更新成功')
    }
  } finally {
    showDialog.value = false
    isSubmitting.value = false
    await getList()
  }
}

// ======================== 草稿箱发布 ========================
const onPublish = async (item: Article) => {
  const mediaId = item.mediaId
  const content =
    '你正在通过发布的方式发表内容。 发布不占用群发次数，一天可多次发布。' +
    '已发布内容不会推送给用户，也不会展示在公众号主页中。 ' +
    '发布后，你可以前往发表记录获取链接，也可以将发布内容添加到自定义菜单、自动回复、话题和页面模板中。'
  try {
    await message.confirm(content)
    await MpFreePublishApi.submitFreePublish(accountId.value, mediaId)
    message.notifySuccess('发布成功')
    await getList()
  } catch {
    //
  }
}

/** 删除按钮操作 */
const onDelete = async (item: Article) => {
  const mediaId = item.mediaId
  try {
    await message.confirm('此操作将永久删除该草稿, 是否继续?')
    await MpDraftApi.deleteDraft(accountId.value, mediaId)
    message.notifySuccess('删除成功')
    await getList()
  } catch {
    //
  }
}
</script>

<style lang="scss" scoped>
.pagination {
  float: right;
  margin-right: 25px;
}
</style>