'use strict';

const RSVP = require('rsvp');

const appInstance = require('./app');

const AppConstructor = require('./app/constructor');

const DOM = require('./dom');

const Server = require('./server');

const Helpers = require('./server/helpers');

const modules = require('./module');

const {

extend

} = $;

$.ajaxSetup({

cache: false,

dataType: 'text'

});

// set global promise error handler

RSVP.on('error', function(reason) {

console.assert(false, reason);

});

$(() => {

// initialize the application and attach in to the instance module

const app = new AppConstructor();

extend(true, appInstance, app);

// load modules to the global scope so they can be evaled

extend(true, window, modules);

Server.loadCategories().then((data) => {

appInstance.setCategories(data);

DOM.showCategories();

// determine if the app is loading a pre-existing scratch-pad

// or the home page

const gistID = Helpers.getParameterByName('scratch-paper');

if (gistID) {

Server.loadScratchPaper(gistID).then(({

category,

algorithm,

data

}) => {

DOM.showAlgorithm(category, algorithm, data);

});

} else {

DOM.showFirstAlgorithm();

}

});

// http://localhost:8080/?scratch-paper=dcf0d0de60a4ad335b3b0cb5c39035e7

});