var genres = [
  'Aggrotech',
  'Ambient',
  'Beat',
  'Bluegrass',
  'Blues',
  'Chiptune',
  'Core',
  'Country',
  'Cumbia',
  'Dance',
  'Dancehall',
  'Drum and Bass',
  'Dub',
  'Dubstep',
  'EBM',
  'Flamenco',
  'Grunge',
  'Goa',
  'Gospel',
  'Hardstyle',
  'Hip-hop',
  'House',
  'Humppa',
  'Industrial',
  'Jazz',
  'Metal',
  'Oi!',
  'Polka',
  'Pop',
  'Punk',
  'Rap',
  'Rave',
  'Reggae',
  'Rockabilly',
  'Samba',
  'Schranz',
  'Ska',
  'Soul',
  'Techhouse',
  'Techno',
  'Tekkno',
  'Trance',
  'Triphop',
  'Twostep',
  'Western',
];

var subgenres = [
  '30s',
  '40s',
  '50s',
  '60s',
  '70s',
  '80s',
  'Acid',
  'Alternative',
  'Ambient',
  'Anatolian',
  'Arena',
  'Art',
  'Australian',
  'Australian',
  'Avantgarde',
  'Balearic',
  'Balkan',
  'Battle',
  'Black',
  'Body',
  'Bossa nova',
  'Brit',
  'Celtic',
  'Chinese',
  'Christian',
  'Comedy',
  'Conscious',
  'Cow',
  'Crust',
  'Dark',
  'Death',
  'Dirty',
  'Doom',
  'Drone',
  'Dream',
  'East Coast',
  'Electroclash',
  'Electronic',
  'Emo',
  'Euro',
  'Experimental',
  'Extreme',
  'Flower',
  'Folk',
  'Free',
  'Freestyle',
  'Fucking',
  'Fun',
  'Funk',
  'Fusion',
  'Future',
  'Gangsta',
  'Garage',
  'Ghetto',
  'Glam',
  'Gospel',
  'Gothic',
  'Grind',
  'Groove',
  'Happy',
  'Hard',
  'Hardcore',
  'Harmonica',
  'Handsup',
  'Heavy',
  'Horror',
  'Indian',
  'Indie',
  'Independent',
  'Industrial',
  'Instrumental',
  'Latin',
  'Lounge',
  'Mainstream',
  'Medieval',
  'Melodic',
  'Minimal',
  'Neo',
  'New age',
  'Ninja',
  'Nintendo',
  'Noise',
  'Nu',
  'Pagan',
  'Pirate',
  'Post',
  'Power',
  'Progressive',
  'Psychedelic',
  'Skate',
  'Sludge',
  'Southern',
  'Space',
  'Speed',
  'Stoner',
  'Street',
  'Sunshine',
  'Surf',
  'Swedish',
  'Swing',
  'Symphonic',
  'Synth',
  'Teutonic',
  'Traditional',
  'Trash',
  'Viking',
  'Vocal',
  'Wave',
  'West Coast',
  'World',
];

var cities = [
  'Berlin',
  'Bakersfield',
  'Detroit',
  'Frankfurt',
  'Gothenburg',
  'Ibiza',
  'London',
  'New Orleans',
  'Rio',
  'Rotterdam',
  'San Francisco',
];


function rand_choose(array) {
  return array[Math.floor(Math.random() * array.length)];
}

function chance(percent) {
  return Math.floor(Math.random() * 100) < percent;
}

function generate_genre() {
  var parts = [];
  if (chance(20)) parts.push(rand_choose(cities));
  if (chance(70)) parts.push(rand_choose(subgenres));
  parts.push(rand_choose(subgenres));
  parts.push(rand_choose(genres));
  
  var genre = parts.join(' ');
  $('#genre a').text(genre);
  return $('title').text('Listen to ' + genre);
}

$(document).ready(function() {
  $('#genre a').click(generate_genre);
  generate_genre();
});