var media = wp.media,
	baseSettings = window._wpmejsSettings || {},
	l10n = window._wpMediaViewsL10n || {};

/**
 * @mixin
 */
wp.media.mixin = {
	mejsSettings: baseSettings,

	removeAllPlayers: function() {
		var p;

		if ( window.mejs && window.mejs.players ) {
			for ( p in window.mejs.players ) {
				window.mejs.players[p].pause();
				this.removePlayer( window.mejs.players[p] );
			}
		}
	},

	/**
	 * Override the MediaElement method for removing a player.
	 *	MediaElement tries to pull the audio/video tag out of
	 *	its container and re-add it to the DOM.
	 */
	removePlayer: function(t) {
		var featureIndex, feature;

		if ( ! t.options ) {
			return;
		}

		// invoke features cleanup
		for ( featureIndex in t.options.features ) {
			feature = t.options.features[featureIndex];
			if ( t['clean' + feature] ) {
				try {
					t['clean' + feature](t);
				} catch (e) {}
			}
		}

		if ( ! t.isDynamic ) {
			t.$node.remove();
		}

		if ( 'native' !== t.media.pluginType ) {
			t.$media.remove();
		}

		delete window.mejs.players[t.id];

		t.container.remove();
		t.globalUnbind();
		delete t.node.player;
	},

	/**
	 * Allows any class that has set 'player' to a MediaElementPlayer
	 *  instance to remove the player when listening to events.
	 *
	 *  Examples: modal closes, shortcode properties are removed, etc.
	 */
	unsetPlayers : function() {
		if ( this.players && this.players.length ) {
			_.each( this.players, function (player) {
				player.pause();
				wp.media.mixin.removePlayer( player );
			} );
			this.players = [];
		}
	}
};

/**
 * Autowire "collection"-type shortcodes
 */
wp.media.playlist = new wp.media.collection({
	tag: 'playlist',
	editTitle : l10n.editPlaylistTitle,
	defaults : {
		id: wp.media.view.settings.post.id,
		style: 'light',
		tracklist: true,
		tracknumbers: true,
		images: true,
		artists: true,
		type: 'audio'
	}
});

/**
 * Shortcode modeling for audio
 *  `edit()` prepares the shortcode for the media modal
 *  `shortcode()` builds the new shortcode after update
 *
 * @namespace
 */
wp.media.audio = {
	coerce : wp.media.coerce,

	defaults : {
		id : wp.media.view.settings.post.id,
		src : '',
		loop : false,
		autoplay : false,
		preload : 'none',
		width : 400
	},

	edit : function( data ) {
		var frame, shortcode = wp.shortcode.next( 'audio', data ).shortcode;

		frame = wp.media({
			frame: 'audio',
			state: 'audio-details',
			metadata: _.defaults( shortcode.attrs.named, this.defaults )
		});

		return frame;
	},

	shortcode : function( model ) {
		var content;

		_.each( this.defaults, function( value, key ) {
			model[ key ] = this.coerce( model, key );

			if ( value === model[ key ] ) {
				delete model[ key ];
			}
		}, this );

		content = model.content;
		delete model.content;

		return new wp.shortcode({
			tag: 'audio',
			attrs: model,
			content: content
		});
	}
};

/**
 * Shortcode modeling for video
 *  `edit()` prepares the shortcode for the media modal
 *  `shortcode()` builds the new shortcode after update
 *
 * @namespace
 */
wp.media.video = {
	coerce : wp.media.coerce,

	defaults : {
		id : wp.media.view.settings.post.id,
		src : '',
		poster : '',
		loop : false,
		autoplay : false,
		preload : 'metadata',
		content : '',
		width : 640,
		height : 360
	},

	edit : function( data ) {
		var frame,
			shortcode = wp.shortcode.next( 'video', data ).shortcode,
			attrs;

		attrs = shortcode.attrs.named;
		attrs.content = shortcode.content;

		frame = wp.media({
			frame: 'video',
			state: 'video-details',
			metadata: _.defaults( attrs, this.defaults )
		});

		return frame;
	},

	shortcode : function( model ) {
		var content;

		_.each( this.defaults, function( value, key ) {
			model[ key ] = this.coerce( model, key );

			if ( value === model[ key ] ) {
				delete model[ key ];
			}
		}, this );

		content = model.content;
		delete model.content;

		return new wp.shortcode({
			tag: 'video',
			attrs: model,
			content: content
		});
	}
};

media.model.PostMedia = require( './models/post-media.js' );
media.controller.AudioDetails = require( './controllers/audio-details.js' );
media.controller.VideoDetails = require( './controllers/video-details.js' );
media.view.MediaFrame.MediaDetails = require( './views/frame/media-details.js' );
media.view.MediaFrame.AudioDetails = require( './views/frame/audio-details.js' );
media.view.MediaFrame.VideoDetails = require( './views/frame/video-details.js' );
media.view.MediaDetails = require( './views/media-details.js' );
media.view.AudioDetails = require( './views/audio-details.js' );
media.view.VideoDetails = require( './views/video-details.js' );
