<template>
  <div class="hello">
        <div v-if="show_menu_btn" id="header-right-btn" >
            <el-dropdown  trigger="click" @command="handleCommand">
              <span class="el-dropdown-link">
                <i class="el-icon-caret-bottom el-icon--right"></i>
              </span>
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item command="goback">{{$t('goback')}}</el-dropdown-item>
                <el-dropdown-item command="share">{{$t('share')}}</el-dropdown-item>
                <el-dropdown-item v-if="item_info.ItemPermn" command="new_page">{{$t('new_page')}}</el-dropdown-item>
                <el-dropdown-item v-if="item_info.ItemPermn" command="new_catalog">{{$t('new_catalog')}}</el-dropdown-item>
                <el-dropdown-item v-if="item_info.ItemPermn" command="edit_page">{{$t('edit_page')}}</el-dropdown-item>
                <el-dropdown-item v-if="item_info.ItemPermn" command="copy">{{$t('copy')}}</el-dropdown-item>
                <el-dropdown-item v-if="item_info.ItemPermn" command="ShowHistoryVersion">{{$t('history_version')}}</el-dropdown-item>
                <el-dropdown-item v-if="item_info.ItemPermn" command="export">{{$t('export')}}</el-dropdown-item>
                <el-dropdown-item v-if="item_info.ItemPermn" command="delete_page">{{$t('delete_interface')}}</el-dropdown-item>

              </el-dropdown-menu>
            </el-dropdown>
        </div>

        <div class="op-bar" v-if="show_op_bar">

             <span v-if="!item_info.is_login">
                <el-tooltip class="item" effect="dark" :content="$t('index_login_or_register')" placement="top">
                      <router-link to="/user/login"><i class="el-icon-user" ></i></router-link>
                </el-tooltip>
                <el-tooltip class="item" effect="dark" :content="$t('detail')" placement="top">
                      <i class="el-icon-info" @click="show_page_info"></i>
                </el-tooltip>
                <el-tooltip class="item" effect="dark" v-if="lang =='zh-cn'" :content="$t('about_showdoc')" placement="top">
                <a href="https://www.showdoc.cc/help" target="_blank"><i class="el-icon-arrow-right" ></i></a>
                </el-tooltip>



             </span>

             <span v-if="item_info.is_login">
                <el-tooltip class="item" effect="dark" :content="$t('goback')" placement="left">
                      <router-link to="/item/index"><i class="el-icon-back" ></i></router-link>
                </el-tooltip>

                <el-tooltip class="item" effect="dark" :content="$t('share')" placement="top">
                      <i class="el-icon-share" @click="share_page"></i>
                </el-tooltip>
                
                <el-tooltip v-if="! item_info.ItemPermn" class="item" effect="dark" :content="$t('detail')" placement="top">
                      <i class="el-icon-info" @click="show_page_info"></i>
                </el-tooltip>

             </span>

            <span v-if="item_info.ItemPermn">
              <el-tooltip class="item" effect="dark" :content="$t('new_page')" placement="top">
                    <i class="el-icon-plus" @click="new_page"></i>
              </el-tooltip>
              <el-tooltip class="item" effect="dark" :content="$t('new_catalog')" placement="left">
                    <i class="el-icon-folder" @click="mamage_catalog"></i>
              </el-tooltip>
              <el-tooltip class="item" effect="dark" :content="$t('edit_page')" placement="top">
                    <i class="el-icon-edit" @click="edit_page"></i>
              </el-tooltip> 


              <el-tooltip v-show="!showMore" class="item" effect="dark" :content="$t('more')" placement="top">
                    <i class="el-icon-caret-top" @click="showMoreAction"></i>
              </el-tooltip>
              <el-tooltip v-show="showMore" class="item" effect="dark" :content="$t('more')" placement="top">
                    <i class="el-icon-caret-bottom" @click="hideMoreAction"></i>
              </el-tooltip>

              <span v-show="showMore">
                  <el-tooltip class="item" effect="dark" :content="$t('copy')" placement="left"> 
                    <router-link :to="'/page/edit/'+item_id+'/0?copy_page_id='+page_id"><i class="el-icon-document" ></i></router-link>
                  </el-tooltip>
                  <el-tooltip class="item" effect="dark" :content="$t('history_version')" placement="top">
                        <i class="el-icon-goods" @click="ShowHistoryVersion"></i>
                  </el-tooltip>
                  <el-tooltip class="item" effect="dark" :content="$t('detail')" placement="top">
                        <i class="el-icon-info" @click="show_page_info"></i>
                  </el-tooltip>
                  <el-tooltip class="item" effect="dark" :content="$t('export')" placement="left">
                      <router-link :to="'/item/export/'+item_info.item_id" v-if="item_info.ItemPermn"><i class="el-icon-download"></i></router-link>
                  </el-tooltip>
                  <el-tooltip class="item" effect="dark" :content="$t('delete_interface')" placement="top">
                        <i class="el-icon-delete" @click="delete_page"></i>
                  </el-tooltip>

                  <span v-if="item_info.ItemCreator">

                      <el-tooltip class="item" effect="dark" :content="$t('item_setting')" placement="top">
                        <router-link :to="'/item/setting/'+item_info.item_id"  v-if="item_info.ItemCreator"><i class="el-icon-setting"></i></router-link>
                      </el-tooltip>
                    </span>
              </span>



            </span>




        </div>


  <el-dialog
    :title="$t('share_page')"
    :visible.sync="dialogVisible"
    width="600px"
    :close-on-click-modal="false"
    >
    
    <p>{{$t('item_page_address')}} : <code >{{share_page_link}}</code>
    </p>
      <p v-if="false" style="border-bottom: 1px solid #eee;"><img  id="qr-page-link" style="width:114px;height:114px;" :src="qr_page_link"> </p>
      
      <div v-show="item_info.ItemPermn">
        <el-checkbox v-model="isCreateSiglePage" @change="CreateSiglePage">{{$t('create_sigle_page')}}</el-checkbox>

        <p v-if="isCreateSiglePage">{{$t('single_page_address')}} : <code >{{share_single_link}}</code> <p>

        <p>
          {{$t('create_sigle_page_tips')}}
        </p>
      </div>



    <span slot="footer" class="dialog-footer">
      <el-button type="primary" @click="dialogVisible = false">{{$t('confirm')}}</el-button>
    </span>
  </el-dialog>

    <!-- 历史版本 -->
    <HistoryVersion :page_id="page_id" :is_show_recover_btn="false" :is_modal="false" callback="insertValue" ref="HistoryVersion"></HistoryVersion>

  </div>
</template>


<style scoped>

  .op-bar{
    color: #333;
    position: fixed;
    top: 110px;
    margin-left: 840px;
    max-width: 250px;

  }
  .op-bar i{
    cursor:pointer ;
    font-size: 16px;
    margin-right: 55px;
    margin-bottom: 30px;
  }


  .icon-folder{
    width: 15px;
    height: 12px;
    cursor: pointer;
    margin-right: 55px;
  }

  a{
    color: #333;
  }

  #header-right-btn{
    font-size: 20px;
    top: 15px;
    right: 5%;
    cursor: pointer;
    position: fixed;
  }

  .el-dropdown-link{
    color: #000;
    font-size: 18px;
    font-weight: bolder;
  }

</style>

<script>
  import HistoryVersion from '@/components/page/edit/HistoryVersion'
  export default {
  props:{
    item_id:'',
    item_domain:'',
    page_id:'',
    item_info:'',
    page_info:{}
  },
    data() {
      return {
        menu: [],
        dialogVisible:false,
        qr_page_link:"#",
        qr_single_link:"#",
        share_page_link:"",
        share_single_link:"",
        copyText1:'',
        copyText2:'',
        isCreateSiglePage:false,
        showMore:false,
        lang:"",
        show_menu_btn:false,
        show_op_bar:true
      }
    },
  components:{
    HistoryVersion
  },
  methods:{
    edit_page(){
      var page_id = this.page_id > 0 ? this.page_id : 0 ;
      var url = '/page/edit/'+this.item_id+'/'+page_id;
      this.$router.push({path:url}) ;
    },
    share_page(){
      var page_id = this.page_id > 0 ? this.page_id : 0 ;
      let path = this.item_domain ? this.item_domain : this.item_id ;
      this.share_page_link = this.getRootPath()+"#/"+path+'?page_id='+page_id ;
      //this.share_single_link= this.getRootPath()+"/page/"+page_id ;
      this.qr_page_link = DocConfig.server +'/api/common/qrcode&size=3&url='+encodeURIComponent(this.share_page_link);
      //this.qr_single_link = DocConfig.server +'/api/common/qrcode&size=3&url='+encodeURIComponent(this.share_single_link);
      this.dialogVisible = true;
      this.copyText1 = this.item_info.item_name+' - '+this.page_info.page_title+"\r\n"+ this.share_page_link;
      this.copyText2 = this.page_info.page_title+"\r\n"+ this.share_single_link;
    },
    dropdown_callback(data){
      if (data) {
        data();
      };
    },
    show_page_info(){
      var html ="本页面由 "+this.page_info.author_username+' 于 '+this.page_info.addtime+' 更新';
      this.$alert(html);
    },

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

    delete_page(){
      var page_id = this.page_id > 0 ? this.page_id : 0 ;
      var that = this ;
      var url = DocConfig.server+'/api/page/delete';

      this.$confirm(that.$t('comfirm_delete'), ' ', {
        confirmButtonText: that.$t('confirm'),
        cancelButtonText: that.$t('cancel'),
        type: 'warning'
      }).then(() => {
        var params = new URLSearchParams();
        params.append('page_id',  page_id);
        that.axios.post(url, params)
        .then(function (response) {
          if (response.data.error_code === 0 ) {
            window.location.reload() 
          }else{
            that.$alert(response.data.error_message);
          }
        }); 
      });
    },
    onCopy(){
      this.$message(this.$t("copy_success"));
    },
    CreateSiglePage(){
        var page_id = this.page_id > 0 ? this.page_id : 0 ;
        var that = this ;
        var url = DocConfig.server+'/api/page/createSinglePage';
        var params = new URLSearchParams();
        params.append('page_id',  page_id);
        params.append('isCreateSiglePage',  this.isCreateSiglePage);

        that.axios.post(url, params)
        .then(function (response) {
          if (response.data.error_code === 0 ) {
            var unique_key = response.data.data.unique_key ;
            if (unique_key) {
              that.share_single_link = that.getRootPath()+"#/p/"+unique_key ;
            }else{
              that.share_single_link = '';
            }
            

          }else{
            that.$alert(response.data.error_message);
          }
        });

    },
    new_page(){
      var url = '/page/edit/'+this.item_info.item_id+'/0';
      this.$router.push({path:url});
    },

    mamage_catalog(){
      var url = '/catalog/'+this.item_info.item_id;
      this.$router.push({path:url});
    },
    showMoreAction(){
      this.showMore = true ;
      var element = document.getElementById('page_md_content').getElementsByClassName('open-list');
      element[0].style.top = '330px';
    },
    hideMoreAction(){
      this.showMore = false ;
      var element = document.getElementById('page_md_content').getElementsByClassName('open-list');
      element[0].style.top = '230px';
    },
    handleCommand(command) {
      switch(command){
        case 'goback':
            this.$router.push({path:"/item/index"})
            break;
        case 'share':
            this.share_page();
            break;
        case 'new_page':
            this.new_page();
            break;
        case 'new_catalog':
            this.mamage_catalog();
            break;
        case 'edit_page':
            this.edit_page();
            break;
        case 'ShowHistoryVersion':
            this.ShowHistoryVersion();
            break;
        case 'copy':
            this.$router.push({path:'/page/edit/'+this.item_info.item_id+'/0?copy_page_id='+this.page_id})
            break; 
        case 'export':
            this.$router.push({path:"/item/export/"+this.item_info.item_id})
            break;
        case 'delete_page':
            this.delete_page();
            break;    
      }
    }
    
  },
  mounted () {
    var that = this ;
    this.lang = DocConfig.lang ;
    if (this.page_info.unique_key) {
      this.isCreateSiglePage = true ;
      this.share_single_link = this.getRootPath()+"/p/"+this.page_info.unique_key ;
    };
    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 == 69 && e.ctrlKey) {  //Ctrl +e 为编辑
        that.edit_page();
        e.preventDefault();
      };

      if (keyNum == 46 && e.ctrlKey) {  //Ctrl +del 为删除
        that.delete_page();
        e.preventDefault();
      };

    }

    if ( this.isMobile() || ( window.innerWidth< 1300 && !this.item_info.is_login ) ) {
        this.show_menu_btn = false ;
        this.show_op_bar = false;
    }
    if (this.isMobile() || ( window.innerWidth< 1300 && this.item_info.is_login ) ) {
        this.show_menu_btn = true ;
        this.show_op_bar = false;
    }



  },
  watch:{
    page_info:function(){
      if (this.page_info.unique_key) {
        this.isCreateSiglePage = true ;
        this.share_single_link = this.getRootPath()+"/p/"+this.page_info.unique_key ;
      }else{
        this.isCreateSiglePage = false ;
        this.share_single_link = '' ;
      }
    }
  }
  
};
</script>
