JXA script which automates playlists import to the Apple Music using iTunes

apple_music.js

// ======= Motivation ========
// http://www.theverge.com/2015/6/30/8871591/spotify-to-apple-music-migrate
// http://i.giphy.com/1zTqgW6bS2jWU.gif
// https://goo.gl/lMTvOj

// All the delays in this script could be adapted
// for your own needs…

// Add this code to the Script Editor (OS X Only!)
// and press Run… http://i.giphy.com/QfGMSZ25v3pGU.gif
// WARNING: Do not use your computer during script execution!
var itunes = Application('iTunes');
itunes.activate();

var system = Application('System Events');
var proc = system.processes.byName('iTunes').windows[0];

// Set the correct context of search
proc.radioGroups.at(1).radioButtons.byName("New").click();

var not_found = [];

// Init your own tracks list (see: Yandex.Music export example)
var tracks = [
"(Exchange) - Massive Attack",
"Please Don't Let Me Be Misunderstood - Nina Simone",
"Ungodly Fruit - Wax Tailor",
"La Ritournelle - Sebastien Tellier",
"Skinny Love - Birdy",
"Demons - Imagine Dragons",
"Jailhouse Rock - Elvis Presley",
"Fish Don't Scream - Serj Tankian"
];

// Add tracks to the My Library
tracks.forEach(function(t){
	try {
		// Search for the songs not for the albums
		proc.textFields.at(0).value.set("song " + t);
		proc.textFields.at(0).focused = true;

		// Wait a bit for a popup to appear
		delay(1);
		
		// Search! (Press Return)
		system.keyCode(36);

		// Wait for a web page to load
		delay(1);

		// If the song was found…
		if (/^Song by/.test(proc.scrollAreas.at(1).uiElements.at(0).groups.at(0).lists.at(0).groups.at(1).staticTexts.at(0).value()))
		{
			// Click on the (●●●) button next to the Cover
			proc.scrollAreas.at(1).uiElements.at(0).groups.at(0).lists.at(0).groups.at(0).groups.at(1).groups.at(0).click();
			proc.scrollAreas.at(1).uiElements.at(0).groups.at(0).lists.at(0).groups.at(0).groups.at(1).groups.at(0).focused = true;

			// Put cursor to the popup-menu
			system.keyCode(36);
			
			// Go to the very top of the menu
			// 10 times is an important constant 
			// which allows to RErun script again if needed
			for (var i = 0; i < 9; i++) {
	 			system.keyCode(126);
			}
			
			// Add the song to the My Music
			system.keyCode(36);
			
			// Wait a bit for data to be send
			delay(2);	
		} else {
			throw 42; // because why not? :)
		}

	} catch (e) {
		// Add the song to the "Not found" list
		not_found.push(t);
	}
});

// Output all songs which haven't been found
not_found;

get_playlist.js

// Example of Yandex.Music playlist export using 
// https://github.com/itsmepetrov/yandex-music-api

// List of "Song Title - Artist" strings could be parsed
// from any service in any convenient way and then should
// be added to the initial tracks array in JXA script

var YandexMusicApi = require('yandex-music-api');

var api = new YandexMusicApi();

api.init({username: 'user_goes_here', password: 'password_should_be_here'}).then(function(token) {
  console.log("Boss, I'm in!");

  var options = { 'rich-tracks': true };

  // ID 1005 I got using getUserPlaylists method https://goo.gl/ziY5oj
  return api.getPlaylists(null, [1005], options).then(function(playlist) {
    console.log(playlist[0].tracks.length);
    var artist_name = '';

    playlist[0].tracks.forEach(function(item) {
      if (item.track.artists.length > 0 && item.track.artists[0].hasOwnProperty('name')) {
        artist_name = item.track.artists[0].name;
      } else {
        artist_name = '';
      }

      console.log('"' + item.track.title + ' - ' + artist_name + '",');
    });

    return playlist[0];
  });
});