'use strict';

var JSON3 = require('json3')
  , iframeUtils = require('./utils/iframe')
  ;

function FacadeJS(transport) {
  this._transport = transport;
  transport.on('message', this._transportMessage.bind(this));
  transport.on('close', this._transportClose.bind(this));
}

FacadeJS.prototype._transportClose = function(code, reason) {
  iframeUtils.postMessage('c', JSON3.stringify([code, reason]));
};
FacadeJS.prototype._transportMessage = function(frame) {
  iframeUtils.postMessage('t', frame);
};
FacadeJS.prototype._send = function(data) {
  this._transport.send(data);
};
FacadeJS.prototype._close = function() {
  this._transport.close();
  this._transport.removeAllListeners();
};

module.exports = FacadeJS;