// ==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://www.video.mediaset.it/player/*
// @include     https://*.mediasetplay.mediaset.it/*
// @include     http://www.mediaset.it/*
// @version     6.5
// @require     http://code.jquery.com/jquery-latest.min.js
// @grant       GM_xmlhttpRequest
// @grant       GM.xmlHttpRequest
// @connect     mediaset.it
// @connect     video.mediaset.it
// @connect     cdnselector.xuniplay.fdnames.com
// @connect     video.lazza.dk
// @connect     execute-api.eu-west-1.amazonaws.com
// @connect     theplatform.eu
// @connect     akamaized.net
// @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// @downloadURL none
// ==/UserScript==

/* Greasemonkey 4 wrapper */
if (typeof GM !== "undefined" && !!GM.xmlHttpRequest) {
    GM_xmlhttpRequest = GM.xmlHttpRequest;
}

function fetch(params) {
    return new Promise(function(resolve, reject) {
        params.onload = resolve;
        params.onerror = reject;
        GM_xmlhttpRequest(params);
    });
}

var base_selector = "https://video.lazza.dk/mediaset?id=";
var loc = window.location;
var isIframe = loc.href.indexOf("player/") > 0;
var isPlay = loc.href.indexOf("mediasetplay.mediaset.it/video/") > 0;

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);
    $(selector + ' pre').css('white-space', 'pre-wrap');
    $(selector + ' *').css('font-size', '15px');
};

var writeLive = function(stream, highquality) {
    $('#stream-url').remove();
    console.log("LIVE");
	$('<div id="stream-url">').insertAfter($('#playerContainer').parent());
	$('#stream-url').append('<p>Flusso della diretta <strong>da aprire con VLC o <code>ffplay</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');

	// kill login timeout
	unsafeWindow.userNotLogged = function() { return; };
	setTimeout(function() {
        $('.countdown').remove();
    }, 1000);
};

var handleLive = function(pageURI) {
    var baseURL = "https://4wfluwho22.execute-api.eu-west-1.amazonaws.com/PROD/play/alive/nownext/v1.0?channelId=";
    if (pageURI.indexOf('/diretta/') < 0) {
        return;
    }
    fetch({
        method: 'GET',
        url: baseURL + pageURI.split('/diretta/')[1].split('_c')[1],
        headers: {
            'Accept': 'application/json'
        }
    }).then(function(responseDetails) {
        var r = responseDetails.responseText;
        var data = $.parseJSON(r);
        var instruction = data.response.tuningInstruction;
        for (var i = 0; i < 5; i++) {
            var public = instruction['urn:theplatform:tv:location:any'][i].publicUrls[0];
            var streaming = instruction['urn:theplatform:tv:location:any'][i].streamingUrl;
            if (streaming.indexOf('m3u8') > 0) {
                return fetch({
                    method: 'GET',
                    url: public,
                    headers: {
                        'Accept': 'application/atom+xml,application/xml,text/xml'
                    }
                });
            }
        }
    }).then(function(responseDetails) {
        var src = responseDetails.finalUrl;
        var highquality = src.replace('index.m3u8', 'Stream(04)/index.m3u8');
		writeLive(src, highquality);
    });
};

var displayURLs = function(responseDetails) {
    var r = responseDetails.responseText;
    var doc = $.parseXML(r);
    var $xml = $( doc );
    var videos = $xml.find("video");
    var vlinks = [];

    var appended = {};
    // 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 "3u8":
            case "pl)": name = "M3U8"; break;
            case "mpd": name = "skip"; 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;
        }
        var ending = url.slice(-20);
        if (name != "skip" && !appended[ending]) {
            vlinks.push( { na: name, url: url } );
            appended[ending] = true;
        }
    });

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

    if(isIframe) {
        $('<div id="video-links">').appendTo('body');
    }
    else {
        $('#playerContainer').parent().after('<div id="video-links">');
    }
    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").after("<div id='video-links-actions'></div>");
        $("#video-links-actions")
            .append('<center style="opacity: 75%; font-size: 75%">' +
                    '<iframe allowtransparency="true" style="width: 94px; height: 20px; position: relative; vertical-align: middle; display: inline-block;" src="https://www.facebook.com/v2.12/plugins/like.php?href=https%3A%2F%2Ffacebook.com%2FAndreaLazzarottoSoftware&layout=button_count&sdk=joey&share=false&show_faces=false" frameborder="0"></iframe>' +
                    '&nbsp;&nbsp;—&nbsp;&nbsp;<a href="https://lazza.me/RecensioneScript">Recensisci lo script</a>' +
                    '&nbsp;&nbsp;—&nbsp;&nbsp;<a href="https://lazza.me/DonazioneScript">Fai una donazione</a>' +
                    '</center>')
            .find('a').css('text-decoration', 'underline');
        boxStyle('#video-links-actions', 'rgba(0,0,0,0.35)', 'white');
    }

    if(isIframe) {
        $('#video-links').css({
            'position': 'absolute',
            'bottom': '1.5em',
            'left': '5%',
            'right': '5%',
            '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');
    }
};

var get_urls = function(suggestion) {
    var params = new URLSearchParams(location.search.slice(1));
    var guid = suggestion || params.get('id') || params.get('programGuid');
    if (guid != suggestion && guid > "80000") {
        guid = params.get('programGuid');
    }
    fetch({
		method: 'GET',
		url: base_selector + guid,
		headers: {
			'Accept': 'application/atom+xml,application/xml,text/xml'
        }
    }).then(displayURLs);
}

var old_href = "";
var new_href = "";

$(document).ready(function(){
	// handle live stream
    if (loc.href.indexOf('/diretta/') > 0) {
        setInterval(function() {
            old_href = new_href;
            new_href = loc.href;
            if (new_href != old_href) {
                handleLive(loc.href);
            }
        }, 500);
    }

	// kill ads
	unsafeWindow.adsEnabled = false;

	if (isPlay) {
        get_urls(loc.href.slice(-16));
    }
    if (isIframe) {
        get_urls("");
    }
});