var helpfulThings = function() {

    // It'd be nice to base some recommendations on all time favourite artists. These should come lower down as they're likely to be always the same.

	var hpl = null;
	var medebug = "SPANKY";
	var trackseeds;
	var nonspotitracks;
	var artists;
    var maxwidth = 640;
    var doneonce = false;
    var current_seed = null;
	var trackfinder = new faveFinder(false);
	trackfinder.setCheckDb(false);
	trackfinder.setExact(true);
	trackfinder.setPriorities(['spotify']);

	function getRecommendationSeeds() {
		debug.log(medebug, "Getting Seeds For Recommendations");
		metaHandlers.genericAction([{action: 'getrecommendationseeds', days: 30, limit: 20, top: 15}],
    		gotRecommendationSeeds,
        	function() {
        		debug.error(medebug,"Error Getting Seeds");
        	}
        );
	}

	function gotRecommendationSeeds(data) {
		debug.log(medebug, "Got Seeds For Recommendations",data);
		if (doneonce) {
			$('#hplfoldup .helpfulholder').spotifyAlbumThing('destroy');
			doneonce = false;
		}
		trackseeds = new Array();
		nonspotitracks = new Array();
		artists = new Array();
		for (var i in data) {
			if (data[i].Uri && data[i].Artistname && artists.indexOf(data[i].Artistname) == -1) {
				var m = data[i].Uri.match(/spotify:track:(.*)$/);
				if (m && m[1]) {
					data[i].id = m[1];
					trackseeds.push(data[i]);
					artists.push(data[i].Artistname);
				} else {
					debug.log(medebug,"Didn't match Uri",data[i].Uri);
					nonspotitracks.push(data[i]);
				}
			}
		}
		if (trackseeds.length == 0 && nonspotitracks.length == 0) {
			$('#helpful_spinner').remove();
			$('#hplfoldup').append('<div class="textunderline containerbox menuitem" style="padding-left:12px;margin-top:1em"><h3 class="fixed">'
				+language.gettext('label_norecdata')+'</h3></div>');
		} else {
			helpfulThings.doStageTwo();
		}
	}

	return {

		open: function() {

        	if (hpl == null) {
	        	hpl = browser.registerExtraPlugin("hpl", language.gettext("button_infoyou"), helpfulThings, 'https://fatg3erman.github.io/RompR/Music-Discovery');

			    $('#hplfoldup').append('<div id="helpful_radio" class="containerbox wrap mixcontainer"></div>');

				var powers;
				if (player.canPlay('spotify') && player.canPlay('gmusic')) {
					powers = [', Spotify, and Google Play Music'];
				} else if (player.canPlay('gmusic')) {
					powers = [' and Google Play Music'];
				} else {
					powers = [' and Spotify'];
				}

			    if ((player.canPlay('spotify') || player.canPlay('gmusic')) && lastfm.isLoggedIn()) {
			    	var html = '<div class="fixed infosection containerbox mixbox playable smartradio" name="lastFMTrackRadio+1month">';
			    	html += '<img class="smallcover fixed" src="newimages/lastfm-icon.png" />';
			    	html +=	'<div class="expand alignmid mixinfo"><b>'+language.gettext("label_dailymix")+'</b><br/>';
					html += language.gettext('label_dailymixdesc', cloneObject(powers));
			    	html += '</div></div>';

			    	html += '<div class="fixed infosection containerbox mixbox playable smartradio" name="lastFMArtistRadio+6month">';
			    	html += '<img class="smallcover fixed" src="newimages/lastfm-icon.png" />';
			    	html +=	'<div class="expand alignmid mixinfo"><b>'+language.gettext("label_luckydip")+'</b><br/>';
					html += language.gettext('label_luckydipdesc', powers);
			    	html += '</div></div>';
			    } else if ((player.canPlay('spotify') || player.canPlay('gmusic')) && !lastfm.isLoggedIn()) {
			    	var html = '<div class="fixed infosection containerbox mixbox">';
			    	html += '<img class="smallcover fixed" src="newimages/lastfm-icon.png" />';
			    	html +=	'<div class="expand alignmid mixinfo"><b>'+language.gettext("label_startshere")+'</b><br/>';
			    	html += language.gettext('label_goonlogin')+"</div>";
			    	html += '</div>';
			    } else if (!player.canPlay('spotify') && !player.canPlay('gmusic')) {
			    	var html = '<div class="fixed infosection containerbox mixbox">';
			    	html += '<img class="smallcover fixed" src="newimages/spotify-icon.png" />';
			    	html +=	'<div class="expand alignmid mixinfo"><b>'+language.gettext("label_getspotify")+'</b><br/>';
			    	html += language.gettext('label_nospotify')+"</div>";
			    	html += '</div>';
			    }

			    if (player.canPlay('spotify')) {
			    	html += '<div class="fixed infosection containerbox mixbox playable smartradio" name="spotiMixRadio+7day">';
			    	html += '<img class="smallcover fixed" src="newimages/spotify-icon.png" />';
			    	html +=	'<div class="expand alignmid mixinfo"><b>'+language.gettext('label_spotify_mix')+'</b><br/>';
			    	html += language.gettext('label_spotimixdesc')+"</div>";
			    	html += '</div>';

			    	html += '<div class="fixed infosection containerbox mixbox playable smartradio" name="spotiMixRadio+1year">';
			    	html += '<img class="smallcover fixed" src="newimages/spotify-icon.png" />';
			    	html +=	'<div class="expand alignmid mixinfo"><b>'+language.gettext('label_spotify_dj')+'</b><br/>';
			    	html += language.gettext('label_spotiswimdesc')+"</div>";
			    	html += '</div>';
		        }

			    $('#helpful_radio').append(html);

			    if (player.canPlay('spotify')) {
					$('#hplfoldup').append('<div id="helpful_spinner"><i class="svg-square icon-spin6 spinner"></i></div>');
		            getRecommendationSeeds();
		        }

				hpl.slideToggle('fast');
	        	browser.goToPlugin("hpl");
	        	browser.rePoint();

	        } else {
	        	browser.goToPlugin("hpl");
	        }

		},

		handleClick: function(element, event) {
			if (element.hasClass('clickrefreshalbums')) {
				getRecommendationSeeds();
            } else if (element.hasClass('clickspotifywidget')) {
            	var e = element;
            	while (!e.hasClass('helpfulholder')) {
            		e = e.parent();
            	}
            	e.spotifyAlbumThing('handleClick', element);
        	}
		},

		close: function() {
            nowplaying.notifyTrackChanges('helpfulthings', null);
			if (doneonce) {
				$('#hplfoldup .helpfulholder').each(function() {
					debug.log(medebug,"Removing And Destroying",$(this).attr("id"));
					$(this).prev().remove();
					$(this).remove();
				});
			}
			doneonce = false;
			hpl = null;
		},

		doStageTwo: function() {
			if (nonspotitracks.length > 0) {
				var t = nonspotitracks[0];
				debug.log(medebug, "Searching For Spotify ID for",t);
				trackfinder.findThisOne(
					{
						title: t.Title,
						artist: t.Artistname,
						duration: 0,
						albumartist: t.Artistname,
						date: 0
					},
					helpfulThings.gotTrackResults
				);
			}
			helpfulThings.getMoreStuff();
		},

		gotTrackResults: function(data) {
			debug.log(medebug,"Got Track Results",data);
			var t = nonspotitracks.shift();
			if (data.uri && data.artist && artists.indexOf(data.artist) == -1) {
				var m = data.uri.match(/spotify:track:(.*)$/);
				if (m && m[1]) {
					debug.log(medebug,"Found Spotify Track Uri",m[1]);
					t.id = m[1];
					trackseeds.push(t);
					artists.push(data.artist);
				}
			}
			helpfulThings.doStageTwo();
		},

		getMoreStuff: function() {
			if (trackseeds.length > 0) {
				current_seed = trackseeds.shift();
				var params = { limit: 8 }
				if (prefs.lastfm_country_code) {
					params.market = prefs.lastfm_country_code;
				}
				params.seed_tracks = current_seed.id;
				spotify.recommendations.getRecommendations(params, helpfulThings.gotTrackRecommendations, helpfulThings.spotiError);
			} else if (nonspotitracks.length == 0) {
				$('#helpful_spinner').remove();
				setDraggable('.helpfulholder');
				browser.rePoint();
			}
		},

		gotTrackRecommendations: function(data) {
			debug.log(medebug, "Got Track Recommendations for", current_seed.Artistname, current_seed.id, data);
			if (data.tracks.length == 0) {
				helpfulThings.getMoreStuff();
				return true;
			}
			if (current_seed.playtotal == 0) {
				$('#helpful_spinner').before('<div class="textunderline containerbox menuitem" style="padding-left:12px;margin-top:1em"><h3 class="fixed">'
				+language.gettext('because_listened',[current_seed.Artistname])+'</h3></div>');
			} else {
				$('#helpful_spinner').before('<div class="textunderline containerbox menuitem" style="padding-left:12px;margin-top:1em"><h3 class="fixed">'
				+language.gettext('because_liked',[current_seed.Artistname])+'</h3></div>');
			}
			var holder = $('<div>', {id: 'rec_'+current_seed.id, class: 'holdingcell masonified2 helpfulholder noselection'}).insertBefore($('#helpful_spinner'));

			// Need to make sure all the album IDs are unique, since we do get duplicates

			holder.spotifyAlbumThing({
				classes: 'brick tagholder2 selecotron',
				itemselector: 'brick',
				sub: 'album',
				showbiogs: true,
				layoutcallback: function() { doneonce = true; helpfulThings.getMoreStuff() },
				maxwidth: maxwidth,
				is_plugin: true,
				imageclass: 'jalopy',
				data: data.tracks
			});
		},

		spotiError: function() {
			debug.warn("HELPFULTHINGS","Spotify Error");
			helpfulthigs.getMoreStuff();
		}

	}
}();

pluginManager.setAction(language.gettext("button_infoyou"), helpfulThings.open);
helpfulThings.open();