/**
 * @license Licensed under the Apache License, Version 2.0 (the "License"):
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 * @fileoverview Front end code relevant only to the Desktop version of
*                Ardublockly.
 */
'use strict';

/** Create a namespace for the application. */
var Ardublockly = Ardublockly || {};

/**
 * Checks if the current JavaScript is loaded in the rendered process of
 * Electron. Works even if the node integration is turned off.
 * @return {!boolean} True if Ardublockly running in Electron application
 */
Ardublockly.isRunningElectron = function() {
  return navigator.userAgent.toLowerCase().indexOf('ardublockly') > -1;
};


(function loadJsInElectron(){
  if (Ardublockly.isRunningElectron()) {
    var projectLocator = require('electron').remote.require('./projectlocator.js');
    var projectRoot = projectLocator.getProjectRootPath();
    window.$ = window.jQuery = require(projectRoot +
        '/ardublockly/js_libs/jquery-2.1.3.min.js');
    window.Hammer = require(projectRoot + '/ardublockly/js_libs/hammer.min.js');
    window.JsDiff = require(projectRoot + '/ardublockly/js_libs/diff.js');
  }
})();

/** Sets all the elements using the container class to have a width of 100%. */
Ardublockly.containerFullWidth = function() {
  var containers = $('.container');
  for (var i = 0; i < containers.length; i++) {
    containers[i].style.width = '100%';
  }
};

/** Hides the side menu button. */
Ardublockly.hideSideMenuButton = function() {
  var sideMenuButton = document.getElementById('button-collapse');
  sideMenuButton.style.setProperty ('display', 'none', 'important');
};




Ardublockly.htmlPrompt = function(message, defaultValue, callback) {
  $('#gen_prompt_message').text('');
  $('#gen_prompt_message').append(message);
  $('#gen_prompt_input').val(defaultValue);
  // Bind callback events to buttons
  $('#gen_prompt_ok_link').bind('click', function() {
    callback($('#gen_prompt_input').val());
  });
  $('#gen_prompt_cancel_link').bind('click', function() {
    callback(null);
  });
  $('#gen_prompt').openModal();
  window.location.hash = '';
};

/** Initialize Ardublockly code required for Electron on page load. */
window.addEventListener('load', function load(event) {
  window.removeEventListener('load', load, false);
  if (Ardublockly.isRunningElectron()) {
    // Edit the page layout for better appearance on desktop
    Ardublockly.containerFullWidth();
    Ardublockly.hideSideMenuButton();

    // Prevent browser zoom changes like pinch-to-zoom
    var webFrame = require('electron').webFrame;
    webFrame.setZoomLevelLimits(1, 1);

    // Electron does not offer a prompt, so replace Blocks version with modal
    // Original signature: function(message, opt_defaultInput, opt_callback)
    Blockly.prompt = Ardublockly.htmlPrompt;
  }
});