// ==UserScript==
// @name        Video.mediaset.it native video player and direct links
// @namespace   http://andrealazzarotto.com
// @description This script allows you to watch and download videos on Video Mediaset.
// @include     http://www.video.mediaset.it/video/*
// @include     http://*.video.mediaset.it/player/playerIFrame*
// @include     http://www.mediaset.it/*
// @include     http://www.tgcom24.mediaset.it/video/
// @version     6.2.4
// @require     http://code.jquery.com/jquery-latest.min.js
// @grant       GM_xmlhttpRequest
// @connect		mediaset.it
// @connect     video.mediaset.it
// @connect     cdnselector.xuniplay.fdnames.com
// @connect     video.lazza.dk
// @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// @downloadURL none
// ==/UserScript==

var silverlight = function() {
	return !!unsafeWindow.Silverlight && !!unsafeWindow.Silverlight.isInstalled();
};

var boxStyle = function(selector, color, textcolor) {
	$(selector).css({
		'padding': '.5em',
		'margin': '1em 4em',
		'text-align': 'center',
		'background-color': color,
		'color': textcolor
	});
	$(selector + ' a').css('color', textcolor);
};

var writeLive = function(stream, highquality) {
	$('<div id="stream-url">').insertAfter('#video-player');
	$('#stream-url').append('<p>Flusso della diretta <strong>da aprire con VLC o <code>avplay</code>:</strong></p>')
		.append('<pre><code>' + stream + '</code></pre>')
		.append('<p>Flusso a <strong>qualità più alta:</strong></p>')
		.append('<pre><code>' + highquality + '</code></pre>');
	boxStyle('#stream-url', 'rgba(255,255,255,0.5)', 'black');
	$('#stream-url p').css('font-size', '15px');

	// kill login timeout
	unsafeWindow.userNotLogged = function() { return; };
	$('.countdown').remove();

	// Firefox does not display the error correctly
	var obj = $('#video-player > object');
	if(!silverlight() && !!obj.length) {
		$('<div class="vjs-error-display"><div></div></div>').css({
			'display': 'block',
			'left': 0,
			'right': 0,
			'top': 0,
			'bottom': 0,
			'position': 'absolute'
		}).appendTo('#video-player');
		$('#video-player').css({
			'background-color': 'black',
			'height': obj.attr('height'),
			'width': obj.attr('width')
		});
		obj.remove();
	}

	// replace error message
	$('.vjs-error-display div').replaceWith('<div id="custom-error"></div>');
	$('#custom-error').append('<p><img src="http://i.imgur.com/10hLEEY.png" /></p>')
		.append('<p>Il tuo browser non supporta la riproduzione. Trovi sotto i link ai flussi in diretta.</p>')
		.append('<p>&mdash; Andrea Lazzarotto</p>')
		.css({
			'background-color': 'black',
			'margin': '3em',
			'text-align': 'center',
			'font-size': '15px'
		});
	$('#custom-error img').css({
		'margin-bottom': '4em',
		'display': 'inline-block'
	});
};

var handleLive = function(playlistUri) {
	GM_xmlhttpRequest({
		method: 'GET',
		url: playlistUri,
		headers: {
			'Accept': 'application/atom+xml,application/xml,text/xml'
		},
		onload: function(responseDetails) {
			var r = responseDetails.responseText;
			var doc = $.parseXML(r);
			var $xml = $( doc );
			var videoID = $xml.find('videoUrl').text();
			GM_xmlhttpRequest({
				method: 'GET',
				url: 'http://cdnselector.xuniplay.fdnames.com/GetCDN.aspx?type=livehls&streamid=' + videoID,
				headers: {
					'Accept': 'application/atom+xml,application/xml,text/xml'
				},
				onload: function(responseDetails) {
					var r = responseDetails.responseText;
					var doc = $.parseXML(r);
					var $xml = $( doc );
					var src = $xml.find('video').attr('src');
					var highquality = src.replace('index.m3u8', 'Stream(04)/index.m3u8');
					writeLive(src, highquality);
				}
			});
		}
	});
};

var fix_videoplayer = function() {
	setTimeout(function() {
		if($('#videoPlayer').length) {
			$('#videoPlayer').remove();
		}
		else {
			setTimeout(arguments.callee, 400);
		}
	}, 400);
}

var initialize = function(id) {
	$('#myVideoContainer').remove();
	$('.video-player')
		.prepend('<div id="myVideoContainer"></div>')
		.prepend(
			'<script type="text/javascript">' +
			'var initializer;' +
			'var id = "' + id + '"; initializer = ' +
			'new PlayerFramework.Initializer({ "containerElement":' + 'document.getElementById("myVideoContainer"), "id": id });' +
			'</script>'
		);
	fix_videoplayer();
	console.debug('Initialized.');
}

$(document).ready(function(){
	// handle live stream
	var playlistUri = (unsafeWindow.playlistUri || null);
	if (playlistUri !== null)
		return handleLive('http://www.mediaset.it' + playlistUri);

	// check if it contains a video
	if (unsafeWindow.CDN_SELECTOR_URL === null)
		return;

	if(!silverlight()) {
		unsafeWindow.CDN_SELECTOR_URL = "http://video.lazza.dk/vd.php?id=";
		unsafeWindow.CDN_SELECTOR_SECURE_URL = "https://video.lazza.dk/vd.php?id=";
	}

	// kill ads
	unsafeWindow.adsEnabled = false;

	var loc = window.location;
	var isIframe = (loc.href.indexOf("playerIFrame") > 0);
	var id = (unsafeWindow.videoMetadataId) || 0;
	if (!id) {
		if(isIframe)
			id = loc.href.split("id=")[1].split("&")[0];
		else {
			var chunks = loc.pathname.replace(/[\._]/g, "/").split("/");
			for (var i in chunks) {
				id = chunks[i];
				if(!!parseInt(id) && id.length > 4)
					break;
			}
		}
	}

	// kill registration request
	if (!!unsafeWindow.trafficlight)
		initialize(id);

	GM_xmlhttpRequest({
		method: 'GET',
		url: 'http://video.lazza.dk/vd.php?id='+id,
		headers: {
			'Accept': 'application/atom+xml,application/xml,text/xml'
		},
		onload: function(responseDetails) {
			var r = responseDetails.responseText;
			var doc = $.parseXML(r);
			var $xml = $( doc );
			var videos = $xml.find("video");
			var vlinks = [];

			// parse video URLs
			videos.each(function (i) {
				var url = $( videos.get(i) ).attr("src");
				var type = url.slice(-3);
				var name = "";
				switch(type) {
					case "est": name = "Smooth streaming"; break;
					case "pl)": name = "Apple streaming"; break;
					case "flv": name = "Video FLV"; break;
					case "f4v": name = "Video F4V"; break;
					case "mp4": name = "Video MP4"; break;
					case "wmv": name = "Video WMV"; break;
				}
				vlinks.push( { na: name, url: url } );
			});

			// display video URLs
			var num = vlinks.length;

			if(isIframe)
				$('<div id="video-links">').appendTo('body');
			else {
				$('#box-apertura').after('<div id="video-links">');
				$('#myVideoContainer').css({
					'position': 'absolute',
					'top': 0,
					'bottom': 0,
					'left': 0,
					'right': 0
				}).parent().css('position', 'relative');
			}
			for(var i=0; i<num; i++) {
				var o = vlinks[i];
				var s = '<a href="'+o.url+'">'+o.na+'</a>';
				$(s).appendTo('#video-links');
				if(i!=num-1)
					$('<span>&nbsp;|&nbsp;</span>').appendTo('#video-links');
			}
			boxStyle('#video-links', 'rgba(0,0,0,0.5)', 'white');

			if(isIframe) {
				$('#video-links').css({
					'position': 'absolute',
					'bottom': '1.5em',
					'left': '10%',
					'right': '10%',
					'font-size': '.9em',
					'z-index': '9999'
				})
				.append("<span id='close'>&times;</span>");
				$("#close").css({
					'font-weight': 'bold',
					'position': 'absolute',
					'right': '1em',
					'cursor': 'pointer'
				}).click(function() {
					$("#video-links").fadeOut();
				});
				boxStyle('#video-links', 'rgba(255,255,255,0.5)', 'black');
			}

			$("#spinner").remove();
		}
	});
});