<!--
MIT License

Copyright (c) 2020 www.joolun.com

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
-->
<template>
  <div class="app-container">
    <!-- 搜索工作栏 -->
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="公众号" prop="accountId">
        <el-select v-model="queryParams.accountId" placeholder="请选择公众号">
          <el-option v-for="item in accounts" :key="parseInt(item.id)" :label="item.name" :value="parseInt(item.id)" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 操作工具栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                   v-hasPermi="['mp:draft:create']">新增
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <!-- 列表 -->
    <div class="waterfall" v-loading="loading">
      <div v-if="item.content && item.content.newsItem" class="waterfall-item" v-for="item in list"
           :key='item.articleId'>
        <wx-news :articles="item.content.newsItem" />
        <!-- TODO 芋艿：权限、样式（搜索框之类的） -->
        <el-row class="ope-row">
          <el-button type="success" circle @click="handlePublishNews(item)">发布</el-button>
          <el-button type="primary" icon="el-icon-edit" circle @click="handleEditNews(item)"></el-button>
          <el-button type="danger" icon="el-icon-delete" circle @click="delMaterial(item)"></el-button>
        </el-row>
      </div>
    </div>
    <!-- 分页记录 -->
    <div v-if="list.length <= 0 && !loading" class="el-table__empty-block">
      <span class="el-table__empty-text">暂无数据</span>
    </div>
    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNo" :limit.sync="queryParams.pageSize"
                @pagination="getList"/>

    <!-- TODO 芋艿：位置调整 -->
    <el-dialog :title="operateMaterial === 'add' ? '新建图文' : '修改图文'"
               append-to-body
               :before-close="dialogNewsClose"
               :close-on-click-modal="false"
               :visible.sync="dialogNewsVisible"
               width="80%"
               top="20px">
      <div class="left">
        <div class="select-item">
          <div v-for="(news, index) in articlesAdd" :key='news.id'>
            <div class="news-main father" v-if="index === 0" :class="{'activeAddNews': isActiveAddNews === index}"
                 @click="activeNews(index)">
              <div class="news-content">
                <img class="material-img" v-if="news.thumbUrl" :src="news.thumbUrl"/>
                <div class="news-content-title">{{news.title}}</div>
              </div>
              <div class="child" v-if="articlesAdd.length>1">
                <el-button type="mini" icon="el-icon-sort-down" @click="downNews(index)">下移</el-button>
                <el-button v-if="operateMaterial === 'add'" type="mini" icon="el-icon-delete"
                           @click="minusNews(index)">删除
                </el-button>
              </div>
            </div>
            <div class="news-main-item father" v-if="index>0" :class="{'activeAddNews': isActiveAddNews === index}"
                 @click="activeNews(index)">
              <div class="news-content-item">
                <div class="news-content-item-title ">{{news.title}}</div>
                <div class="news-content-item-img">
                  <img class="material-img" v-if="news.thumbUrl" :src="news.thumbUrl" height="100%"/>
                </div>
              </div>
              <div class="child">
                <el-button v-if="articlesAdd.length > index+1" type="mini" icon="el-icon-sort-down"
                           @click="downNews(index)">下移
                </el-button>
                <el-button type="mini" icon="el-icon-sort-up" @click="upNews(index)">上移</el-button>
                <el-button v-if="operateMaterial=== 'add'" type="mini" icon="el-icon-delete"
                           @click="minusNews(index)">删除
                </el-button>
              </div>
            </div>
          </div>
          <div class="news-main-plus" @click="plusNews" v-if="articlesAdd.length<8 && operateMaterial==='add'">
            <i class="el-icon-circle-plus icon-plus"></i>
          </div>
        </div>
      </div>
      <div class="right" v-loading="addMaterialLoading" v-if="articlesAdd.length > 0">
        <!--富文本编辑器组件-->
        <el-row>
          <wx-editor v-model="articlesAdd[isActiveAddNews].content" :uploadData="uploadData"
                    v-if="hackResetEditor"/>
        </el-row>
        <br><br><br><br>
        <!-- 封面和摘要 -->
        <div class="input-tt">封面和摘要：</div>
        <div>
          <div class="thumb-div">
            <img class="material-img" v-if="articlesAdd[isActiveAddNews].thumbUrl"
                 :src="articlesAdd[isActiveAddNews].thumbUrl" :class="isActiveAddNews === 0 ? 'avatar':'avatar1'">
            <i v-else class="el-icon-plus avatar-uploader-icon"
               :class="isActiveAddNews === 0 ? 'avatar':'avatar1'"></i>
            <div class="thumb-but">
              <el-upload :action="actionUrl" :headers="headers" multiple :limit="1" :file-list="fileList" :data="uploadData"
                         :before-upload="beforeThumbImageUpload" :on-success="handleUploadSuccess">
                <el-button slot="trigger" size="mini" type="primary">本地上传</el-button>
                <el-button size="mini" type="primary" @click="openMaterial" style="margin-left: 5px">素材库选择</el-button>
                <div slot="tip" class="el-upload__tip">支持 bmp/png/jpeg/jpg/gif 格式，大小不超过 2M</div>
              </el-upload>
            </div>
          </div>
          <el-dialog title="选择图片" :visible.sync="dialogImageVisible" width="80%" append-to-body>
            <WxMaterialSelect :objData="{repType:'image'}" @selectMaterial="selectMaterial" />
          </el-dialog>
          <el-input :rows="8" type="textarea" v-model="articlesAdd[isActiveAddNews].digest" placeholder="请输入摘要"
                    class="digest" maxlength="120"></el-input>
        </div>
        <!-- 标题、作者、原文地址 -->
        <div class="input-tt">标题：</div>
        <el-input v-model="articlesAdd[isActiveAddNews].title" placeholder="请输入标题"></el-input>
        <div class="input-tt">作者：</div>
        <el-input v-model="articlesAdd[isActiveAddNews].author" placeholder="请输入作者"></el-input>
        <div class="input-tt">原文地址：</div>
        <el-input v-model="articlesAdd[isActiveAddNews].contentSourceUrl" placeholder="请输入原文地址"></el-input>
      </div>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogNewsVisible = false">取 消</el-button>
        <el-button type="primary" @click="submitForm">提 交</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
// import { getPage as getPage1 } from '@/api/wxmp/wxmaterial'
import WxEditor from '@/views/mp/components/wx-editor/WxEditor.vue';
import WxNews from '@/views/mp/components/wx-news/main.vue';
import WxMaterialSelect from '@/views/mp/components/wx-material-select/main.vue'
import { getAccessToken } from '@/utils/auth'
import { createDraft, getDraftPage } from "@/api/mp/draft";
import { getSimpleAccounts } from "@/api/mp/account";

export default {
  name: 'mpDraft',
  components: {
    WxEditor,
    WxNews,
    WxMaterialSelect
  },
  data() {
    return {
      // 遮罩层
      loading: false,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 数据列表
      list: [],
      queryParams: {
        pageNo: 1,
        pageSize: 10,
        accountId: undefined,
      },

      page1: {
        total: 0, // 总页数
        currentPage: 1, // 当前页数
        pageSize: 10 // 每页显示多少条
      },

      // ========== 文件上传 ==========
      actionUrl: process.env.VUE_APP_BASE_API + "/admin-api/mp/material/upload-permanent", // 上传永久素材的地址
      headers: { Authorization: "Bearer " + getAccessToken() }, // 设置上传的请求头部
      fileList: [],
      uploadData: {
        "type": 'image', // TODO 芋艿：试试要不要换成 thumb
        "title": '',
        "introduction": '',
        "accountId": 1,
      },

      // ========== 草稿新建 or 修改 ==========
      dialogNewsVisible: false,
      addMaterialLoading: false, // 添加草稿的 loading 标识
      articlesAdd: [],
      isActiveAddNews: 0,
      dialogImageVisible: false,
      imageListData: [],
      tableLoading1: false,
      operateMaterial: 'add',
      articlesMediaId: '',
      hackResetEditor: false,

      // 公众号账号列表
      accounts: [],
    }
  },
  created() {
    getSimpleAccounts().then(response => {
      this.accounts = response.data;
      // 默认选中第一个
      if (this.accounts.length > 0) {
        this.queryParams.accountId = this.accounts[0].id;
        this.setAccountId(this.accounts[0].id);
      }
      // 加载数据
      // this.getList(); // TODO 芋艿：开发完，放出来
    })
  },
  methods: {
    /** 设置账号编号 */
    setAccountId(accountId) {
      this.queryParams.accountId = accountId;
      this.uploadData.accountId = accountId;
    },
    /** 查询列表 */
    getList() {
      // 如果没有选中公众号账号，则进行提示。
      if (!this.queryParams.accountId) {
        this.$message.error('未选中公众号，无法查询草稿箱')
        return false
      }

      this.loading = true
      getDraftPage((this.queryParams)).then(response => {
        // 将 thumbUrl 转成 picUrl，保证 wx-news 组件可以预览封面
        response.data.list.forEach(item => {
          const newsItem = item.content.newsItem;
          newsItem.forEach(article => {
            article.picUrl = article.thumbUrl;
          })
        })
        this.list = response.data.list
        this.total = response.data.total
      }).finally(() => {
        this.loading = false
      })
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNo = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      // 默认选中第一个
      if (this.accounts.length > 0) {
        this.setAccountId(this.accounts[0].id)
      }
      this.handleQuery()
    },

    delMaterial(item){
      this.$confirm('此操作将永久删除该草稿, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.loading = true
        delObj({
          id:item.mediaId
        }).then(response => {
          this.loading = false
          if(response.code == 200){
            this.getList(this.queryParams)
          }else{
            this.loading = false
            this.$message.error('删除出错：' + response.msg)
          }
        }).catch(() => {
          this.loading = false
        })
      })
    },
    getPage1(){
      this.tableLoading1 = true
      getPage1({
        current: this.page1.currentPage,
        size: this.page1.pageSize,
        type:'image'
      }).then(response => {
        this.tableLoading1 = false
        this.imageListData = response.data.items
        this.page1.total = response.data.totalCount
      }).catch(() => {
        this.tableLoading1 = false
      })
    },
    openMaterial(){
      this.imageListData = null
      this.page1.currentPage = 1
      this.getPage1()
      this.dialogImageVisible = true
    },
    dialogNewsClose(done){
      this.$confirm('修改内容可能还未保存，确定关闭吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.hackResetEditor = false//销毁组件
        this.$nextTick(() => {
          this.hackResetEditor = true//重建组件
        })
        this.isActiveAddNews = 0
        done()
      }).catch(() => {
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.addMaterialLoading = true
      if (this.operateMaterial === 'add') {
        createDraft(this.queryParams.accountId, this.articlesAdd).then(response => {
          this.$modal.msgSuccess("新增成功");
          this.dialogNewsVisible = false;
          this.getList()
        }).finally(() => {
          this.addMaterialLoading = false
        })
      }
      if(this.operateMaterial == 'edit'){
        putObj({
          articles:this.articlesAdd,
          mediaId:this.articlesMediaId
        }).then(response => {
          this.addMaterialLoading = false
          this.dialogNewsVisible = false
          if(response.code == 200){
            this.isActiveAddNews = 0
            this.articlesAdd = [
              {
                "title": '',
                "thumbMediaId": '',
                "author": '',
                "digest": '',
                "showCoverPic": '',
                "content": '',
                "contentSourceUrl": '',
                "needOpenComment":'',
                "onlyFansCanComment":'',
                "thumbUrl":''
              }
            ]
            this.getList(this.queryParams)
          }else{
            this.$message.error('修改图文出错：' + response.msg)
          }
        }).catch(() => {
          this.addMaterialLoading = false
        })
      }
    },
    handleEditNews(item){
      this.hackResetEditor = false // 销毁组件
      this.$nextTick(() => {
        this.hackResetEditor = true // 重建组件
      })
      if (this.operateMaterial == 'add') {
        this.isActiveAddNews = 0
      }
      this.operateMaterial = 'edit'
      this.articlesAdd = JSON.parse(JSON.stringify(item.content.newsItem))
      this.articlesMediaId = item.mediaId
      this.dialogNewsVisible = true
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.resetEditor();
      this.reset();
      // 打开表单，并设置初始化
      this.operateMaterial = 'add'
      this.dialogNewsVisible = true
    },
    // 表单重置
    reset() {
      this.isActiveAddNews = 0
      this.articlesAdd = [this.buildEmptyArticle()]
    },
    // 表单 Editor 重置
    resetEditor() {
      this.hackResetEditor = false // 销毁组件
      this.$nextTick(() => {
        this.hackResetEditor = true // 重建组件
      })
    },
    // 将图文向下移动
    downNews(index) {
      let temp = this.articlesAdd[index]
      this.articlesAdd[index] = this.articlesAdd[index+1]
      this.articlesAdd[index + 1] = temp
      this.isActiveAddNews = index + 1
    },
    // 将图文向上移动
    upNews(index) {
      let temp = this.articlesAdd[index]
      this.articlesAdd[index] = this.articlesAdd[index - 1]
      this.articlesAdd[index - 1] = temp
      this.isActiveAddNews = index - 1
    },
    // 选中指定 index 的图文
    activeNews(index) {
      this.resetEditor();
      this.isActiveAddNews = index
    },
    // 删除指定 index 的图文
    minusNews(index) {
      this.$modal.confirm('确定删除该图文吗?').then(() => {
        this.articlesAdd.splice(index,1);
        if (this.isActiveAddNews ===  index) {
          this.isActiveAddNews = 0
        }
      }).catch(() => {})
    },
    // 添加一个图文
    plusNews() {
      this.articlesAdd.push(this.buildEmptyArticle())
      this.isActiveAddNews = this.articlesAdd.length - 1
    },
    // 创建空的 article
    buildEmptyArticle() {
      return {
        "title": '',
        "thumbMediaId": '',
        "author": '',
        "digest": '',
        "showCoverPic": '',
        "content": '',
        "contentSourceUrl": '',
        "needOpenComment":'',
        "onlyFansCanComment":'',
        "thumbUrl":''
      }
    },

    // ======================== 文件上传 ========================
    beforeThumbImageUpload(file) {
      this.addMaterialLoading = true
      const isType = file.type === 'image/jpeg'
          || file.type === 'image/png'
          || file.type === 'image/gif'
          || file.type === 'image/bmp'
          || file.type === 'image/jpg';
      if (!isType) {
        this.$message.error('上传图片格式不对!')
        this.addMaterialLoading = false
        return false;
      }
      const isLt = file.size / 1024 / 1024 < 2
      if (!isLt) {
        this.$message.error('上传图片大小不能超过 2M!')
        this.addMaterialLoading = false
        return false;
      }
      // 校验通过
      return true;
    },
    handleUploadSuccess(response, file, fileList) {
      this.addMaterialLoading = false // 关闭 loading
      if (response.code !== 0) {
        this.$message.error('上传出错：' + response.msg)
        return false;
      }

      // 重置上传文件的表单
      this.fileList = []
      this.uploadData.title = ''
      this.uploadData.introduction = ''

      // 设置草稿的封面字段
      this.articlesAdd[this.isActiveAddNews].thumbMediaId = response.data.mediaId
      this.articlesAdd[this.isActiveAddNews].thumbUrl = response.data.url
    },
    selectMaterial(item){
      this.dialogImageVisible = false
      this.articlesAdd[this.isActiveAddNews].thumbMediaId = item.mediaId
      this.articlesAdd[this.isActiveAddNews].thumbUrl = item.url
    },

    // ======================== 草稿箱发布 ========================
    handlePublishNews(item){
      this.$confirm('你正在通过发布的方式发表内容。 发布不占用群发次数，一天可多次发布。已发布内容不会推送给用户，也不会展示在公众号主页中。 发布后，你可以前往发表记录获取链接，也可以将发布内容添加到自定义菜单、自动回复、话题和页面模板中。', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.loading = true
        publish(item.mediaId).then(response => {
          this.loading = false
          this.$message.success('发布任务提交成功')
          this.getList(this.queryParams)
        }).catch(() => {
          this.loading = false
        })
      }).catch(() => {
      })
    }
  }
}
</script>

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

  .add_but {
    padding: 10px;
  }

  .ope-row {
    margin-top: 5px;
    text-align: center;
    border-top: 1px solid #eaeaea;
    padding-top: 5px;
  }

  .item-name {
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
  }

  .el-upload__tip {
    margin-left: 5px;
  }

  /*新增图文*/
  .left {
    display: inline-block;
    width: 35%;
    vertical-align: top;
    margin-top: 200px;
  }

  .right {
    display: inline-block;
    width: 60%;
    margin-top: -40px;
  }

  .avatar-uploader {
    width: 20%;
    display: inline-block;
  }

  .avatar-uploader .el-upload {
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-align: unset !important;
  }

  .avatar-uploader .el-upload:hover {
    border-color: #165dff;
  }

  .avatar-uploader-icon {
    border: 1px solid #d9d9d9;
    font-size: 28px;
    color: #8c939d;
    width: 120px;
    height: 120px;
    line-height: 120px;
    text-align: center;
  }

  .avatar {
    width: 230px;
    height: 120px;
  }

  .avatar1 {
    width: 120px;
    height: 120px;
  }

  .digest {
    width: 60%;
    display: inline-block;
    vertical-align: top;
  }

  /*新增图文*/
  /*瀑布流样式*/
  .waterfall {
    width: 100%;
    column-gap: 10px;
    column-count: 5;
    margin: 0 auto;
  }

  .waterfall-item {
    padding: 10px;
    margin-bottom: 10px;
    break-inside: avoid;
    border: 1px solid #eaeaea;
  }

  p {
    line-height: 30px;
  }

  @media (min-width: 992px) and (max-width: 1300px) {
    .waterfall {
      column-count: 3;
    }
    p {
      color: red;
    }
  }

  @media (min-width: 768px) and (max-width: 991px) {
    .waterfall {
      column-count: 2;
    }
    p {
      color: orange;
    }
  }

  @media (max-width: 767px) {
    .waterfall {
      column-count: 1;
    }
  }

  /*瀑布流样式*/
  .news-main {
    background-color: #FFFFFF;
    width: 100%;
    margin: auto;
    height: 120px;
  }

  .news-content {
    background-color: #acadae;
    width: 100%;
    height: 120px;
    position: relative;
  }

  .news-content-title {
    display: inline-block;
    font-size: 15px;
    color: #FFFFFF;
    position: absolute;
    left: 0px;
    bottom: 0px;
    background-color: black;
    width: 98%;
    padding: 1%;
    opacity: 0.65;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    height: 25px;
  }

  .news-main-item {
    background-color: #FFFFFF;
    padding: 5px 0px;
    border-top: 1px solid #eaeaea;
    width: 100%;
    margin: auto;
  }

  .news-content-item {
    position: relative;
    margin-left: -3px
  }

  .news-content-item-title {
    display: inline-block;
    font-size: 12px;
    width: 70%;
  }

  .news-content-item-img {
    display: inline-block;
    width: 25%;
    background-color: #acadae
  }

  .input-tt {
    padding: 5px;
  }

  .activeAddNews {
    border: 5px solid #2bb673;
  }

  .news-main-plus {
    width: 280px;
    text-align: center;
    margin: auto;
    height: 50px;
  }

  .icon-plus {
    margin: 10px;
    font-size: 25px;
  }

  .select-item {
    width: 60%;
    padding: 10px;
    margin: 0 auto 10px auto;
    border: 1px solid #eaeaea;
  }

  .father .child {
    display: none;
    text-align: center;
    position: relative;
    bottom: 25px;
  }

  .father:hover .child {
    display: block;
  }

  .thumb-div {
    display: inline-block;
    width: 30%;
    text-align: center;
  }

  .thumb-but {
    margin: 5px;
  }

  .material-img {
    width: 100%;
    height: 100%;
  }
</style>
