<template>
  <div class="hello">
    <Header> </Header>

    <el-container class="container-narrow">

      <el-row class="masthead">
        <el-form :inline="true"   class="demo-form-inline" size="small">
          <el-form-item :label="$t('title')+' : '">
            <el-input  placeholder="" v-model="title"></el-input>
          </el-form-item>
          <el-form-item :label="$t('level_2_directory')+' : '" >
            <el-select  :placeholder="$t('optional')" class="cat" v-model="cat_id2" @change="get_cat3">
              <el-option v-if="cat2" v-for="cat in cat2 " :key="cat.cat_name" :label="cat.cat_name" :value="cat.cat_id"></el-option>
            </el-select>
          </el-form-item>
          <el-form-item :label="$t('level_3_directory')+' : '" >
            <el-select  :placeholder="$t('optional')" class="cat" v-model="cat_id3">
              <el-option v-if="cat3" v-for="cat in cat3 " :label="cat.cat_name" :key="cat.cat_name" :value="cat.cat_id"></el-option>
            </el-select>
          </el-form-item>
          <el-form-item :label="$t('s_number')+' : '">
            <el-input  :placeholder="$t('optional')" class="num" v-model="s_number"></el-input>
          </el-form-item>
          <el-form-item label="" >
            <el-button type="text" @click="ShowHistoryVersion">{{$t('history_version')}}</el-button>
          </el-form-item>

          <el-form-item class="pull-right">
              <el-dropdown  @command="dropdown_callback" split-button type="primary" size="medium" trigger="click" @click="save">
                {{$t('save')}}
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item :command="save_to_template">{{$t('save_to_templ')}}</el-dropdown-item>
                  <!-- <el-dropdown-item>保存前添加注释</el-dropdown-item> -->
                </el-dropdown-menu>
              </el-dropdown>
            <el-button type="" size="medium" @click="goback">{{$t('cancel')}}</el-button>
          </el-form-item>
        </el-form>

        <el-row class="fun-btn-group">
          <el-button type="" size="medium" @click="insert_api_template">{{$t('insert_apidoc_template')}}</el-button>
          <el-button type="" size="medium" @click="insert_database_template">{{$t('insert_database_doc_template')}}</el-button>
          <el-button type="" size="medium" @click.native="ShowTemplateList">{{$t('more_templ')}}</el-button>
            <el-dropdown split-button type="" style="margin-left:100px;" size="medium" trigger="hover" >
              {{$t('json_tools')}}
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item @click.native="ShowJsonToTable">{{$t('json_to_table')}}</el-dropdown-item>
                <el-dropdown-item @click.native="ShowJsonBeautify">{{$t('beautify_json')}}</el-dropdown-item>
              </el-dropdown-menu>
            </el-dropdown>
          <el-button type="" size="medium" @click="ShowFormatJson">在线JSON格式化</el-button>
          <el-button type="" size="medium" @click="ShowRunApi">{{$t('http_test_api')}}</el-button>

          </el-row>

      <Editormd v-bind:content="content" v-if="content" ref="Editormd"  type="editor" ></Editormd>

        
      </el-row>

        <!-- 更多模板 -->
        <TemplateList :callback="insertValue" ref="TemplateList"></TemplateList>

        <!-- 历史版本 -->
        <HistoryVersion :callback="insertValue" ref="HistoryVersion"></HistoryVersion>

        <!-- Json转表格 组件 -->
        <JsonToTable   :callback="insertValue" ref="JsonToTable" ></JsonToTable>

        <!-- Json格式化 -->
        <JsonBeautify :callback="insertValue" ref="JsonBeautify"></JsonBeautify>

      </el-container>
    <Footer> </Footer>
    <div class=""></div>
<!-- 模板存放的地方 -->
<div id="api-doc-templ"  ref="api_doc_templ" style="display:none">


**描述：**

 - 用户登录

**地址：**
 - api/user/login

**请求方式：**
 - GET
 - POST

**示例：**
 - ` http://xx.com/api/user/login?username=xxx&password=xxx `

**请求参数：**

|参数名|类型|必填|说明|备注|
|:----|:----|:----|:----|:----|
| username | string | 是 | 用户名 | |
| password | string | 是 | 密码 | 32位小写MD5 |

**响应参数：**

|参数名|父元素|类型|必填|说明|备注|
|:----|:----|:----|:----|:----|:----|
| uid | data | int | 是 | 用户ID | |
| name | data | string | 是 | 用户姓名 | |
| avatar | data | object | 否 | 用户头像 | |
| url | avatar | string | 是 | 头像地址 | |
| width | avatar | int | 是 | 头像图片宽度 | |
| height | avatar | int | 是 | 头像图片高度 | | |

**响应示例：**

 - 成功

```
 {
     "code": 0,
     "msg": "",
     "data": {
         "uid": 1,
         "username": "123456",
         "name": "张三",
         "reg_time": "1436864169",
         "last_login_time": "0",
         "avatar":{
             "url": "http://xx.com/avatar/default.png",
             "width": 300,
             "height": 300
         }
     }
 }
```

 - 失败

```
 {
     "code": 1,
     "msg": "账号或密码错误"
 }
```

**备注**

 - 更多返回错误代码请看错误代码描述页面


</div>
<div id="database-doc-templ" ref="database_doc_templ" style="display:none">

#### 用户表

 - 储存用户信息

|字段|类型|空|默认|额外|注释|
|:------|:-------|:-----|:-----|:------|:------|
|uid |int(10) |否 | 无 | 主键、自增|用户ID |
|username |varchar(20) |否 | 无 |  | 用户名 |
|password |varchar(50) |否 | 无 |  | 密码 |
|name     |varchar(15) |是 | NULL |  | 昵称 |
|reg_time |datetime    |否 |无 |  | 注册时间 |

 - 备注：无

</div>

  </div>
</template>

<style scoped>


  .container-narrow{
    margin: 0 auto;
    max-width: 90%;
  }

  .masthead{
    width: 100%;
    margin-top: 5px;
  }

  .cat{
    width: 130px;
  }

  .num{
    width: 60px;

  }
  .fun-btn-group{
    margin-top: 15px;
    margin-bottom: 15px;
  }

</style>

<script>
import Editormd from '@/components/common/Editormd'
import JsonToTable from '@/components/common/JsonToTable'
import JsonBeautify from '@/components/common/JsonBeautify'
import TemplateList from '@/components/page/edit/TemplateList'
import HistoryVersion from '@/components/page/edit/HistoryVersion'

export default {
  data () {
    return {
      currentDate: new Date(),
      itemList:{},
      content:"",
      title:"",
      item_id:0,
      cat2:[],
      cat_id2:'',
      cat3:[],
      cat_id3:'',
      s_number:'',
      page_id:'',
      copy_page_id:'',

    };
  },
  components:{
    Editormd,
    JsonToTable,
    JsonBeautify,
    TemplateList,
    HistoryVersion
  },
  methods:{
    //获取页面内容
    get_page_content(page_id){
        if (!page_id) {
          var page_id = this.page_id ;
        };
        var that = this ;
        var url = DocConfig.server+'/api/page/info';
        var params = new URLSearchParams();
        params.append('page_id', page_id );
        that.axios.post(url, params)
          .then(function (response) {
            if (response.data.error_code === 0 ) {
              //that.$message.success("加载成功");
              that.content = response.data.data.page_content ;
              that.title = response.data.data.page_title ;
              that.item_id = response.data.data.item_id ;
              that.s_number = response.data.data.s_number ;
            }else{
              that.$alert(response.data.error_message);
            }
            
          })
          .catch(function (error) {
            console.log(error);
          });
    },

    //获取二级目录
    get_cat2(item_id){
      var that = this ;
      var url = DocConfig.server+'/api/catalog/secondCatList';
      var params = new URLSearchParams();
      params.append('item_id',  item_id);
      that.axios.post(url, params)
        .then(function (response) {
          if (response.data.error_code === 0 ) {
            //that.$message.success("加载成功");
            that.cat2 = response.data.data ;
            that.get_default_cat();
          }else{
            that.$alert(response.data.error_message);
          }
          
        });
    },
    //获取三级目录
    get_cat3(cat_id,callback){
      var that = this ;
      var url = DocConfig.server+'/api/catalog/childCatList';
      var params = new URLSearchParams();
      params.append('cat_id',  cat_id);
      that.axios.post(url, params)
        .then(function (response) {
          if (response.data.error_code === 0 ) {
            //that.$message.success("加载成功");
            that.cat_id3 = '';
            that.cat3 = response.data.data ;
            if(callback){
              callback();
            }

          }else{
            that.$alert(response.data.error_message);
          }
          
        });
    },
    //获取默认该选中的目录
    get_default_cat(){
      var that = this ;
      var url = DocConfig.server+'/api/catalog/getDefaultCat';
      var params = new URLSearchParams();
      params.append('page_id',  this.page_id);
      params.append('copy_page_id',  this.copy_page_id);

      that.axios.post(url, params)
        .then(function (response) {
          if (response.data.error_code === 0 ) {
            //that.$message.success("加载成功");
            var json = response.data.data ;
            that.cat_id2 = json.default_cat_id2 ;
            that.get_cat3(json.default_cat_id2,function(){
              that.cat_id3 = json.default_cat_id3 ;
            }) ;

          }else{
            that.$alert(response.data.error_message);
          }
          
        });
    },
    //插入数据到编辑器中。插入到光标处。如果参数is_cover为真，则清空后再插入(即覆盖)。
    insertValue(value,is_cover){
      if (value) {
        let childRef = this.$refs.Editormd ;//获取子组件
        if (is_cover) {
          // 清空
          childRef.clear();
        };
        childRef.insertValue(value) ; //调用子组件的方法
      };

    },

    //插入api模板
    insert_api_template(){
//      this.insertValue(this.$refs.api_doc_templ.innerHTML ) ;
      this.insertValue(this.$refs.api_doc_templ.childNodes[0].nodeValue ) ;
    },

    //插入数据字典模板
    insert_database_template(){
//      this.insertValue(this.$refs.database_doc_templ.innerHTML ) ;
      this.insertValue(this.$refs.database_doc_templ.childNodes[0].nodeValue ) ;
    },

    //json转参数表格
    ShowJsonToTable(){
        let childRef = this.$refs.JsonToTable ;//获取子组件
        childRef.dialogFormVisible = true ; 
    },
    //json格式化
    ShowJsonBeautify(){
        let childRef = this.$refs.JsonBeautify ;//获取子组件
        childRef.dialogFormVisible = true ; 
    },
    ShowFormatJson(){
        window.open('https://www.bejson.com/');
    },
    ShowRunApi(){
//      window.open('http://runapi.showdoc.cc/');
        window.open('https://www.sojson.com/httpRequest/');
    },
    //更多模板、模板列表
    ShowTemplateList(){
        let childRef = this.$refs.TemplateList ;//获取子组件
        childRef.show() ; 
    },

    //展示历史版本
    ShowHistoryVersion(){
        let childRef = this.$refs.HistoryVersion ;//获取子组件
        childRef.show() ; 
    },

    save(){
      var that = this ;
      var loading = that.$loading();
      let childRef = this.$refs.Editormd ;
      var content = childRef.getMarkdown() ;
      var cat_id = 0 ;
      if (that.cat_id2 > 0 ) {
        cat_id = that.cat_id2 ;
      };     
      if (that.cat_id3 > 0 ) {
        cat_id = that.cat_id3 ;
      };
      var item_id = that.$route.params.item_id ;
      var page_id = that.$route.params.page_id ;
      var url = DocConfig.server+'/api/page/save';
      var params = new URLSearchParams();
      params.append('page_id',  page_id);
      params.append('item_id',  item_id);
      params.append('s_number',  that.s_number);
      params.append('page_title',  that.title);
      params.append('page_content',  content);
      params.append('cat_id',  cat_id);
      that.axios.post(url, params)
        .then(function (response) {
          loading.close();
          if (response.data.error_code === 0 ) {
            //that.$message.success("加载成功");
            localStorage.removeItem("page_content");
            that.$router.push({path:'/'+item_id,query:{page_id:response.data.data.page_id}}) ; 
          }else{
            that.$alert(response.data.error_message);
          }
          
        });
        //设置一个最长关闭时间
        setTimeout(() => {
          loading.close();
        }, 20000);
    },
    goback(){
      var url = '/'+this.$route.params.item_id;
      this.$router.push({path:url,query:{page_id:this.$route.params.page_id}}) ; 
    },
    dropdown_callback(data){
      if (data) {
        data();
      };
    },
    //另存为模板
    save_to_template(){
      var that = this ;
      let childRef = this.$refs.Editormd ;
      var content = childRef.getMarkdown() ;
       this.$prompt(that.$t("save_templ_title"), ' ', {
       }).then(function(data){
          var url = DocConfig.server+'/api/template/save';
          var params = new URLSearchParams();
          params.append('template_title',  data.value);
          params.append('template_content',  content);
          that.axios.post(url, params)
            .then(function (response) {
              if (response.data.error_code === 0 ) {
                  that.$alert(that.$t("save_templ_text"));
              }else{
                that.$alert(response.data.error_message);
              }
              
            });
       });
    },

    /** 粘贴上传图片 **/
    on_paste(){
      var that = this;
      var url = DocConfig.server+'/api/page/uploadImg';
      document.addEventListener('paste', function(e) {
        var clipboard = e.clipboardData;
        for (var i = 0, len = clipboard.items.length; i < len; i++) {
          if (clipboard.items[i].kind == 'file' || clipboard.items[i].type.indexOf('image') > -1) {
            var imageFile = clipboard.items[i].getAsFile();
            var form = new FormData;
            form.append('t', 'ajax-uploadpic');
            form.append('editormd-image-file', imageFile);
            var loading = '';
            var callback = function(type, data) {
              type = type || 'before';
              switch (type) {
                // 开始上传
                case 'before':
                  loading = that.$loading();
                  break;
                  // 服务器返回错误
                case 'error':
                  loading.close();
                  that.$alert('图片上传失败');
                  break;
                  // 上传成功
                case 'success':
                  loading.close();
                  if (data.success == 1) {
                    var value = '![](' + data.url + ')';
                    that.insertValue(value);
                  } else {
                    that.$alert(data.message);
                  }

                  break;
              }
            };
            $.ajax({
              url: url,
              type: "POST",
              dataType: "json",
              data: form,
              processData: false,
              contentType: false,
              beforeSend: function() {
                callback('before');
              },
              error: function() {
                callback('error');
              },
              success: function(data) {
                callback('success', data);
              }
            })
            e.preventDefault();
          }
        }
      });
    }
  },

  mounted () {
    var that = this ;
    this.page_id = this.$route.params.page_id ;
    this.copy_page_id = this.$route.query.copy_page_id ? this.$route.query.copy_page_id : '' ;
    
    if (this.copy_page_id > 0 ) {
      this.get_page_content(this.copy_page_id);
    }
    else if (this.page_id > 0 ) {
      this.get_page_content(this.page_id);
    }else{
      this.item_id = this.$route.params.item_id ;
      this.content = this.$t("welcome_use_showdoc") ;
    }
    this.get_cat2(this.$route.params.item_id);
    
    that.on_paste();
    
    document.onkeydown=function(e){  //对整个页面文档监听 其键盘快捷键
      var keyNum=window.event ? e.keyCode :e.which;  //获取被按下的键值 
      if (keyNum == 83 && e.ctrlKey) {  //Ctrl +S 为保存
        that.save();
        e.preventDefault();
      };
    }
    
  }
}
</script>