var FFZ = window.FrankerFaceZ;


// --------------------
// Settings
// --------------------

FFZ.settings_info.sort_viewers = {
	type: "boolean",
	value: true,

	category: "Chat Appearance",
	name: "Sort Viewer List",
	help: "Make sure the viewer list is alphabetically sorted and place the Broadcaster in their own category."
};


// --------------------
// Initialization
// --------------------

FFZ.prototype.setup_viewers = function() {
	this.log("Hooking the Ember Viewers controller.");
	var Viewers = App.__container__.resolve('controller:viewers');
	if ( Viewers )
		this._modify_viewers(Viewers);

	/* Disable for now because Twitch reverted this change
	this.log("Hooking the Ember Viewers view.");
	var ViewerView = App.__container__.resolve('view:viewers');
	if ( ViewerView )
		this._modify_viewer_view(ViewerView);*/
}


/*FFZ.prototype._modify_viewer_view = function(view) {
	view.reopen({
		setListDimensions: function(e) {
			// Don't set the stupid scroll thing. Don't use the stupid height thing.
			this.$(".js-chatters-container").width(e.width).height(e.height);
		}
	});
}*/


FFZ.prototype._modify_viewers = function(controller) {
	var f = this;

	controller.reopen({
		lines: function() {
			var viewers = this._super();
			if ( ! f.settings.sort_viewers )
				return viewers;

			try {
				var categories = [],
					data = {},
					last_category = null;

				// Get the broadcaster name.
				var Channel = App.__container__.lookup('controller:channel'),
					room_id = this.get('parentController.model.id'),
					broadcaster = Channel && Channel.get('id');

				// We can get capitalization for the broadcaster from the channel.
				if ( broadcaster ) {
					var display_name = Channel.get('display_name');
					if ( display_name )
						FFZ.capitalization[broadcaster] = [display_name, Date.now()];
				}

				// If the current room isn't the channel's chat, then we shouldn't
				// display them as the broadcaster.
				if ( room_id !== broadcaster )
					broadcaster = null;

				// Now, break the viewer array down into something we can use.
				for(var i=0; i < viewers.length; i++) {
					var entry = viewers[i];
					if ( entry.category ) {
						last_category = entry.category;
						categories.push(last_category);
						data[last_category] = [];

					} else {
						var viewer = entry.chatter.toLowerCase();
						if ( ! viewer )
							continue;

						// If the viewer is the broadcaster, give them their own
						// group. Don't put them with normal mods!
						if ( viewer == broadcaster ) {
							categories.unshift("Broadcaster");
							data["Broadcaster"] = [viewer];

						} else if ( data.hasOwnProperty(last_category) )
							data[last_category].push(viewer);
					}
				}

				// Now, rebuild the viewer list. However, we're going to actually
				// sort it this time.
				viewers = [];
				for(var i=0; i < categories.length; i++) {
					var category = categories[i],
						chatters = data[category];

					if ( ! chatters || ! chatters.length )
						continue;

					viewers.push({category: category});
					viewers.push({chatter: ""});

					// Push the chatters, capitalizing them as we go.
					chatters.sort();
					while(chatters.length) {
						var viewer = chatters.shift();
						viewer = FFZ.get_capitalization(viewer);
						viewers.push({chatter: viewer});
					}
				}

			} catch(err) {
				f.error("ViewersController lines: " + err);
			}

			return viewers;
		}.property("content.chatters")
	});
}