/**
 * 中国蚁剑::编码器管理
 * 创建：2017-05-30
 * 更新：2018-08-19
 * 作者：Virink <virink@outlook.com>
 * 作者：Medici.Yan <Medici.Yan@gmail.com>
 */

const LANG = antSword['language']['settings']['encoders'];
const LANG_T = antSword['language']['toastr'];
const fs = require('fs');
const path = require('path');
const WIN = require("../../ui/window");

class Encoders {

  constructor(sidebar) {
    var that = this;
    this.encoders = antSword["encoders"];

    sidebar.addItem({
      id: 'encoders',
      text: `<i class="fa fa-file-code-o"></i> ${LANG['title']}`
    });

    that.cell = sidebar.cells('encoders');
    const toolbar = that.cell.attachToolbar();

    toolbar.loadStruct([
      { type: 'buttonSelect', text: LANG['toolbar']['new'], icon: 'plus-circle', id: 'new', openAll: true,
      options: [
        { id: 'new_asp',  icon: 'file-code-o', type: 'button', text: "ASP" },
        { id: 'new_aspx', icon: 'file-code-o', type: 'button', text: "ASPX"},
        { id: 'new_php',  icon: 'file-code-o', type: 'button', text: "PHP"},
        { type: 'separator' },
        { id: 'new_custom', icon: 'file-code-o', type: 'button', text: "Custom"}
      ]},
      { type: 'separator' },
      { type: 'button', text: LANG['toolbar']['edit'], icon: 'fa fa-edit', id: 'edit' },
      { type: 'button', text: LANG['toolbar']['delete'], icon: 'fa fa-trash-o', id: 'delete' },
    ]);

    toolbar.attachEvent("onClick", (id)=>{
      switch(id) {
        case "new_asp":
        that.createEncoder("asp");
        break;
        case "new_aspx":
        that.createEncoder("aspx");
        break;
        case "new_php":
        that.createEncoder("php");
        break;
        case "new_custom":
        that.createEncoder("custom");
        break;
        case "edit":
        that.editEncoder();
        break;
        case "delete":
        that.deleteEncoder();
        break;
      }
    });

    let grid = that.cell.attachGrid();
    grid.setHeader(`
      &nbsp;,
      ${LANG['grid']['ename']},
      ${LANG['grid']['etype']}
    `);
    grid.setColTypes("ro,edtxt,coro");
    grid.setColSorting('str,str,str');
    grid.setInitWidths("40,*,150");
    grid.setColAlign("center,left,center");
    grid.enableMultiselect(true);
    var combobox = grid.getCombo(2);
    combobox.put("asp","ASP");
    combobox.put("aspx","ASPX");
    combobox.put("php","PHP");
    combobox.put("custom","CUSTOM");
    
    grid.attachEvent("onEditCell", function(stage,rId,cInd,nValue,oValue){
      // 2 编辑完成
      if(stage === 2) {
        nValue = nValue.toLocaleLowerCase();
        oValue = oValue.toLocaleLowerCase();
        if(nValue === oValue){return;}
        var oename = grid.getRowAttribute(rId, "ename");
        var oepath = grid.getRowAttribute(rId, "epath");
        var oetype = grid.getRowAttribute(rId, "etype");
        oepath = oepath+".js";
        switch(cInd){
          case 1:
          // name
          if(!nValue.match(/^[a-zA-Z0-9_]+$/)){
            toastr.error(LANG["message"]["ename_invalid"],LANG_T['error']);
            return
          }
          if(that._checkname(nValue, oetype)){
            toastr.error(LANG['message']['ename_duplicate'], LANG_T['error']);
            return;
          }
          fs.renameSync(oepath, path.join(process.env.AS_WORKDIR, `antData/encoders/${oetype}/encoder/${nValue}.js`));
          toastr.success(LANG['message']["rename_success"],LANG_T["success"]);
          break
          case 2:
          // type
          if(nValue != "asp" && nValue != "aspx" && nValue != "php" && nValue != "custom") {
            toastr.error(LANG['message']["etype_error"], LANG_T['error']);
            return
          }
          if(that._checkname(oename, nValue)){
            toastr.error(LANG['message']['ename_duplicate'], LANG_T['error']);
            return;
          }
          fs.renameSync(oepath, path.join(process.env.AS_WORKDIR, `antData/encoders/${nValue}/encoder/${oename}.js`));
          toastr.success(LANG['message']["retype_success"],LANG_T["success"]);
          break
        }
        that.syncencoders();
      }
    });
    grid.init();
    
    that.grid = grid;

    that.parseData();
  }
  
  // 创建新的编码器
  createEncoder(t) {
    let self = this;
    layer.prompt({
      value: `myencoder`,
      title: `<i class="fa fa-file-code-o"></i> ${LANG["prompt"]["create_encoder"]}`
    },(value, i, e) => {
      value = value.toLocaleLowerCase();
      if(!value.match(/^[a-zA-Z0-9_]+$/)){
        toastr.error(LANG["message"]["ename_invalid"],LANG_T['error']);
        return
      }
      if(self._checkname(value, t)){
        toastr.error(LANG["message"]["ename_duplicate"] ,LANG_T['error']);
        layer.close(i);
        return
      }
      let savePath= path.join(process.env.AS_WORKDIR,`antData/encoders/${t}/encoder/${value}.js`);

      fs.writeFileSync(savePath, self.default_template);

      var ids = self.grid.getAllRowIds();
      let _id = 1;
      if(ids.length > 0){
        _id = parseInt(ids[ids.length-1]);
      }
      _id ++;
      self.grid.addRow(_id, `${_id},${antSword.noxss(value)},${t}`);
      toastr.success(LANG["message"]["create_success"], LANG_T["success"]);
      self.cell.progressOff();
      layer.close(i);
      self.syncencoders();
    });
  }

  // 编辑选中的编码器代码
  editEncoder() {
    let self = this;
    // 获取选中ID列表
    let ids = self.grid.getSelectedId();
    if(!ids){
      toastr.warning(LANG["message"]["edit_not_select"], LANG_T["warning"]);
      return
    }
    let _ids = ids.split(",");
    if (_ids.length !== 1) {
      toastr.warning(LANG["message"]["edit_only_single"], LANG_T["warning"]);
      return
    }
    let _id = _ids[0];

    const ename = self.grid.getRowAttribute(_id, 'ename');
    const epath = self.grid.getRowAttribute(_id, 'epath');
    let buff = fs.readFileSync(epath+".js");
    let opt = {
      title: `${LANG["edit_win_title"]}: ${ename}`,
      width: 800,
      height: 600,
    };
    let _win = new WIN(opt);
    _win.win.centerOnScreen();
    _win.win.button('minmax').show();
    _win.win.button('minmax').enable();
    // _win.win.maximize();
    let toolbar = _win.win.attachToolbar();
    toolbar.loadStruct([
      { id: 'save', type: 'button', icon: 'save', text: LANG["toolbar"]['save'] },
      { type: 'separator' },
    ]);
    toolbar.attachEvent('onClick', (id) => {
      if (id === 'save') {
        // 保存代码
        let saveData = editor.session.getValue();
        if(!saveData){
          toastr.warning(LANG["message"]["edit_null_value"],LANG_T["warning"]);
          return
        }
        fs.writeFileSync(epath+".js", saveData);
        toastr.success(LANG["message"]["edit_save_success"], LANG_T["success"]);
      }
    });

    // 创建编辑器
    let editor = ace.edit(_win.win.cell.lastChild);
    editor.$blockScrolling = Infinity;
    editor.setTheme('ace/theme/tomorrow');
    editor.session.setMode(`ace/mode/javascript`);
    editor.session.setUseWrapMode(true);
    editor.session.setWrapLimitRange(null, null);
    editor.setOptions({
      fontSize: '14px',
      enableBasicAutocompletion: true,
      enableSnippets: true,
      enableLiveAutocompletion: true
    });
    // 编辑器快捷键
    editor.commands.addCommand({
      name: 'save',
      bindKey: {
        win: 'Ctrl-S',
        mac: 'Command-S'
      },
      exec: () => {
        toolbar.callEvent('onClick', ['save']);
      }
    });

    editor.session.setValue(buff.toString());
    // 定时刷新
    const inter = setInterval(editor.resize.bind(editor), 200);
    _win.win.attachEvent('onClose', () => {
      self.syncencoders();
      clearInterval(inter);
      return true;
    });
  }

  deleteEncoder() {
    let self = this;
    // 获取选中ID列表
    let ids = self.grid.getSelectedId();
    if(!ids){
      toastr.warning(LANG["message"]["delete_not_select"], LANG_T["warning"]);
      return
    }
    let _ids = ids.split(",");
    layer.confirm(`${LANG['confirm']['delete'](_ids.length==1?self.grid.getRowAttribute(_ids[0],"ename"): _ids.length)}`,
    {
      icon: 2,
      shift: 6,
      title: `<i class="fa fa-trash"></i> ${LANG["delete_title"]}`,
    },(_)=>{
      layer.close(_);
      _ids.map((_id)=>{
        var ename = self.grid.getRowAttribute(_id, 'ename');
        var epath = self.grid.getRowAttribute(_id, 'epath');
        fs.unlink(epath+".js");
      });
      toastr.success(LANG["message"]["delete_success"], LANG_T["success"]);
      self.syncencoders();
    });
  }
  get default_template() {
    return `/**
 * php::base64编码器
 * Create at: ${new Date().format("yyyy/MM/dd hh:mm:ss")}
 */

\'use strict\';

/*
* @param  {String} pwd   连接密码
* @param  {Array}  data  编码器处理前的 payload 数组
* @return {Array}  data  编码器处理后的 payload 数组
*/
module.exports = (pwd, data) => {
  // ##########    请在下方编写你自己的代码   ###################
  // 以下代码为 PHP Base64 样例

  // 生成一个随机变量名
  let randomID = \`_0x\${Math.random().toString(16).substr(2)}\`;
  // 原有的 payload 在 data['_']中
  // 取出来之后，转为 base64 编码并放入 randomID key 下
  data[randomID] = new Buffer(data['_']).toString('base64');

  // shell 在接收到 payload 后，先处理 pwd 参数下的内容，
  data[pwd] = \`eval(base64_decode($_POST[\${randomID}]));\`;

  // ##########    请在上方编写你自己的代码   ###################

  // 删除 _ 原有的payload
  delete data['_'];
  // 返回编码器处理后的 payload 数组
  return data;
}`;
  }
  // 检查 name 是否重复
  _checkname(name,t) {
    let tstr = ',' + antSword['encoders'][t].join(',')+',';
    return tstr.indexOf(","+name+",")!=-1;
  }
  // 解析数据
  parseData() {
    let data = [];
    let self = this;
    let _id = 1;

    Object.keys(self.encoders).map((t) => {
      self.encoders[t].map( _ => {
        data.push({
          id: _id,
          ename: _,
          epath: path.join(process.env.AS_WORKDIR, `antData/encoders/${t}/encoder/${_}`),
          etype: t,
          data: [
            `<i class="fa fa-file-code-o"></i>`,
            antSword.noxss(_),
            t
          ]
        });
        _id++;
      });
    });

    self.grid.clearAll();
    self.grid.parse({
      'rows': data
  }, 'json');
  }

  // 同步到全局编码器
  syncencoders() {
    antSword['encoders'] = (function(){
      var encoders = {asp:[],aspx:[],php:[],custom:[]};
      var encoders_path = {asp:[],aspx:[],php:[],custom:[]};
      let userencoder_path = path.join(process.env.AS_WORKDIR,'antData/encoders');
      // 初始化
      !fs.existsSync(userencoder_path) ? fs.mkdirSync(userencoder_path) : null;
      ['asp','aspx','php','custom'].map((t)=>{
        !fs.existsSync(path.join(userencoder_path, `${t}`))? fs.mkdirSync(path.join(userencoder_path, `${t}`)):null;
        let t_path = path.join(userencoder_path, `${t}/encoder/`);
        !fs.existsSync(t_path) ? fs.mkdirSync(t_path) : null;
    
        let es = fs.readdirSync(t_path);
        if(es){
          es.map((_)=>{
            if(!_.endsWith(".js")){
              return
            }
            encoders[t].push(_.slice(0,-3));
            encoders_path[t].push(path.join(t_path, _.slice(0,-3)));
          });
        }
        antSword["core"][t].prototype.user_encoders = encoders_path[t];
      });
      return encoders;
    })();
    this.encoders=antSword["encoders"];
    this.parseData();
  }
}

module.exports = Encoders;