// ==UserScript==
// @name         arte stream and download
// @namespace    http://tampermonkey.net/
// @version      3.0.1.1
// @description  get arte stream url with just one click (or none at all) or download seperate audio/video mp4
// @author       mihau
// @match        https://www.arte.tv/*/videos*
// @match        https://www.arte.tv/*/live*
// @license MIT
// @supportURL   https://greasyfork.org/en/scripts/533451-arte-stream-and-download
// @downloadURL none
// ==/UserScript==

// if you want to get the url in the very moment the page loads, you may change this from 0 to 1:
var loadonload = 0;
// best not edit below this line

// from https://stackoverflow.com/questions/5525071/how-to-wait-until-an-element-exists
function waitforit(selector) {
  return new Promise(resolve => {
    if (document.querySelector(selector)) {
      return resolve(document.querySelector(selector));
    }

    var observer = new MutationObserver(mutations => {
      if (document.querySelector(selector)) {
        observer.disconnect();
        resolve(document.querySelector(selector));
      }
    });

    // If you get "parameter 1 is not of type 'Node'" error, see https://stackoverflow.com/a/77855838/492336
    observer.observe(document.body, { childList: true, subtree: true });
  });
}

waitforit('video').then((elm) => {

    $   = function(_) {return document.getElementById(_)}
    $tn = function(_) {return document.getElementsByTagName(_)}
    $cn = function(_) {return document.getElementsByClassName(_)}
    $qa = function(_) {return document.querySelectorAll(_)}

  var pathpart = window.location.pathname.split("/"),
    lang = pathpart[1],
    id = pathpart[3],
    name = pathpart[4],
    jsoncontainer,
    nix = "",
    url = "",
    filmid = "",
    cuescriptid = 0,
    liveid = "",
    archid = "",
    mode = "",
    kind = "",
    livelabel = "",
    chapterformat = "",
    trailer = "",
    loc_stream = "stream url",
    loc_video = "video",
    loc_audio = "audio",
    loc_subs = "subtitles",
    loc_set = "setlist",
    loc_cue = "cue file",
    loc_txt = "plain text",
    loc_dl = "download",
    loc_nodl = "(download unvailable)";

  var trash = ["- Regarder le documentaire complet", " - Die ganze Doku", " - Komplette Sendung", " - Programm in voller Länge", " - Film in voller Länge", " - Regarder le film complet", " - Regarder l’émission complète"];

  if (($qa('[data-testid="AUSSCHNITT"]')[0]) || ($qa('[data-testid="EXTRAIT"]')[0])) {
    trailer = "TRAILER";
    var desc = '[data-testid="pc_desc-Heading"]';
    var warn = $qa(desc)[0].innerText;
    var nraw = '<span style="color: red">' + trailer + ':</span> ';

    $qa(desc)[0].innerHTML = nraw + warn;
    var newtitle = document.title;
    trash.forEach((item) => {
      newtitle = newtitle.replace(item, "")
    });
    document.title = trailer + ": " + newtitle;
  }


  if (/ARTE Concert/.test(document.title)) {
    kind = "concert";
  }

  if (lang == "fr") {
    loc_subs = "sous-titres";
    loc_dl = "téléchargement";
    loc_nodl = "(téléchargement indisponible)";
  }
  if (lang == "de") {
    loc_stream = "Stream URL";
    loc_video = "Video";
    loc_audio = "Audio";
    loc_subs = "Untertitel";
    loc_set = "Setliste";
    loc_cue = "cue-Datei";
    loc_txt = "Textdatei";
    loc_dl = "Download";
    loc_nodl = "(Download nicht verfügbar)";
  }

  function streamurl() {
    if (mode == "live") {
      var test = prompt(livelabel + loc_stream, url);
    } else {
      var test = prompt(loc_stream + " (click 'OK' for ffmpeg command)", url);
      if (test !== null) {
        prompt("ffmpeg command ('OK' for ffmpeg AUDIO-ONLY command)", 'ffmpeg -referer "' + location.href + '" -user_agent "' + window.navigator.userAgent + '" -i "' + url + '" -c copy -bsf:a aac_adtstoasc "' + filmtitle + '.mp4"');
        if (test !== null) {
          prompt("ffmpeg AUDIO-ONLY command ('OK' for yt-dlp command)", 'ffmpeg -referer "' + location.href + '" -user_agent "' + window.navigator.userAgent + '" -i "' + url + '" -vn -c:a copy "' + filmtitle + '-audio.m4a"');
          if (test !== null) {
            prompt("yt-dlp command", "yt-dlp '" + url + "'");
          }
        }
      }
    }
  }

  function parsescripts(nextfid) {

    if (nextfid != -1) {
      nix = self.__next_f[nextfid].toString();
    }

    if (mode == "live") {

      var mynewregex = new RegExp("m3u8.*", "gi");
      url = nix.match("https://artesimulcast\.akamaized\.net.*m3u8")[0];
      url = url.replace(mynewregex, "m3u8")

      if (lang == "de") {
        url = url.replace("artelive_fr", "artelive_de")
      } else {
        url = url.replace("artelive_de", "artelive_fr")
      }

    } else {

      var myregex = /Generate\/.*?\/\//;
      var match = nix.match(myregex);
      var mynewregex = new RegExp("\/.*", "gi")
      filmid = match[0].replace("Generate/", "").replace(mynewregex, "");
      url = "https://manifest-arte.akamaized.net/api/manifest/v1/Generate/" + filmid + "/" + lang + "/XQ+KS+CHEV1/" + id + ".m3u8";

    }

    return url;

  }

  function setlist() {

    var cue = "REM edit all fields to your liking, especially the filename (FILE ...)\n\n",
      txt = "",
      cuefilename = "",
      cuescript = "",
      schemaObj = "";

    if (chapterformat == "chapter") {
      cuescript = self.__next_f[cuescriptid].toString().slice(22).slice(0, -2);
      schemaObj = JSON.parse(cuescript);
      var artistcreds = new Array();
      artistcreds[0] = schemaObj.apiPlayerConfig.attributes.metadata.title;
      artistcreds[1] = schemaObj.apiPlayerConfig.attributes.metadata.subtitle;
    } else {
      cuescript = self.__next_f[cuescriptid].toString().slice(2);
      schemaObj = JSON.parse(cuescript);
      if (/ - /.test(schemaObj.name)) {
        var artistcreds = schemaObj.name.split(" - ");
      } else {
        var artistcreds = new Array();
        artistcreds[0] = schemaObj.name;
        artistcreds[1] = schemaObj.name;
      }

    }

    cuefilename = artistcreds[0] + "-" + artistcreds[1];
    cuefilename = cuefilename.replace(/[^a-z0-9-.]/gi, '_').toLowerCase();

    cue += 'PERFORMER "' + artistcreds[0] + '"' + "\n";
    cue += 'TITLE "' + artistcreds[1] + '"' + "\n";
    cue += 'FILE "' + cuefilename + '.m4a" M4A' + "\n\n  TRACK 01 AUDIO\n";
    var cueperf = '    PERFORMER "' + artistcreds[0] + '"' + "\n";
    cue += cueperf;
    cue += '    TITLE "Intro/Prologue"' + "\n";
    cue += "    INDEX 01 00:00:00\n";

    txt += "00:00 Intro/Prologue\n";
    var setlistlength = 0;

    if (chapterformat == "chapter") {
      setlistlength = schemaObj.apiPlayerConfig.attributes.chapters.elements.length;
    } else {
      setlistlength = schemaObj.hasPart.length;
    }

    for (var j = 0, k = setlistlength; j < k; ++j) {

      var songtitle = "";
      var timestamp = "";
      if (chapterformat == "chapter") {
        songtitle = schemaObj.apiPlayerConfig.attributes.chapters.elements[j].title;
        timestamp = schemaObj.apiPlayerConfig.attributes.chapters.elements[j].startTime;
      } else {
        songtitle = schemaObj.hasPart[j].name;
        timestamp = schemaObj.hasPart[j].startOffset;
      }

      var padm = "";
      if (timestamp < 600) {
        padm = "0";
      }
      var cuetrackid = j + 2;
      var ctidpad = "";
      if (cuetrackid < 10) {
        ctidpad = "0";
      }
      cue += "\n  TRACK " + ctidpad + cuetrackid + " AUDIO \n";
      cue += cueperf;
      cue += "    TITLE " + '"' + songtitle + '"';
      cue += "\n    INDEX 01 " + padm + fmtMSS(timestamp) + ":00\n";

      txt += padm + fmtMSS(timestamp) + " " + songtitle + "\n";

    }

    cue += "\n";
    window.cue = cue;
    window.txt = txt;

    window.cuefilename = cuefilename;

  }

  // https://stackoverflow.com/questions/3733227/javascript-seconds-to-minutes-and-seconds
  function fmtMSS(s) {
    return (s - (s %= 60)) / 60 + (9 < s ? ':' : ':0') + s;
  }

  // ...

  if (self.__next_f) {

    for (var i = 0, l = self.__next_f.length; i < l; ++i) {

      var it = self.__next_f[i].toString();

      if (kind == "concert") {
        if (/startOffset/.test(it)) {
          cuescriptid = i;
          chapterformat = "offset";
        }
        if (/chapterId/.test(it)) {
          cuescriptid = i;
          chapterformat = "chapter";

        }
      }

      if (/m3u8/.test(it)) {
        if (/artelive/.test(it)) {

          liveid = i;
          mode = "live";
          parsescripts(i);

        } else if (/Generate/.test(it)) {

          archid = i;
          mode = "archive";

          var thestring = self.__next_f[archid].toString().slice(22, -1).slice(0, -1);
          if (/Generate\//.test(thestring)) {
            var schemaObj = JSON.parse(thestring);
            filmid = "notnull";
            url = schemaObj.apiPlayerConfig.attributes.streams[0].url;

          } else {

            parsescripts(i);

          }

        }

      }

    }

  } else {

    for (var i = 0, l = $tn("script").length; i < l; ++i) {

      if ($tn("script")[i].innerText.indexOf("Generate/") != -1) {
        jsoncontainer = i;
        break;
      }

    }

    nix = $tn("script")[jsoncontainer].innerText;
    parsescripts(-1);

  }

  var download_url = "";
  if ((url != "") && (url != null) && (url != "null")) {
    download_url = url;
  } else {
    download_url = "https://api.arte.tv/api/player/v2/config/" + lang + "/" + id;
  }

  var xhr = new XMLHttpRequest();

  if (loadonload != 0) {
    if ((filmid != null) && (filmid != "null") && (filmid != "") && (filmid != "undefined") && (filmid != undefined) && (filmid != NaN)) {
      streamurl();
    }
  }

  var filmtitle = document.querySelector('meta[property="og:title"]').content;
  filmtitle = filmtitle.replace(" | ARTE Concert", "").replace(" | ARTE", "");
  trash.forEach((item) => {
    filmtitle = filmtitle.replace(item, "")
  });
  filmtitle = filmtitle.replace(/ /g, "_").replace(/[^a-z0-9 \.,_-]/gim, "").replace("_-_", "-");

  if (mode == "live") {
    livelabel = "live ";
  }
  if (lang == "de") {
    if (mode == "live") {
      livelabel = "Live ";
    }
  }

  var aclass = "ds-1nr7pfe";
  var spanclass = "ds-92m6hs";

  var topelementstream = document.createElement("a");
  topelementstream.setAttribute('id', 'arteuserjsstream');
  topelementstream.setAttribute('class', aclass);

  var innerelementstream = document.createElement("span");
  innerelementstream.setAttribute('id', 'streamurl');
  innerelementstream.setAttribute('class', spanclass);
  innerelementstream.setAttribute('style', 'color: #FA481C');
  innerelementstream.innerText = livelabel + loc_stream;

  topelementstream.appendChild(innerelementstream);

  if (!($("arteuserjsstream"))) {
    if ($cn('ds-1r0jukn')[0]) {
      $cn('ds-1r0jukn')[0].insertBefore(topelementstream, null);
    } else if ($cn('ds-1rm5mah')[0]) {
      $cn('ds-1rm5mah')[0].insertBefore(topelementstream, null);
    }
  }

  if (mode == "archive") {

    var topelementdl = document.createElement("a");
    topelementdl.setAttribute('id', 'arteuserjsdl');
    topelementdl.setAttribute('class', 'ds-1nr7pfe');

    var innerelementdl = document.createElement("span");
    innerelementdl.setAttribute('id', 'arteuserjsdlinner');
    innerelementdl.setAttribute('class', 'ds-11ckmbs');
    innerelementdl.innerText = "";

    topelementdl.appendChild(innerelementdl);

    if (!($("topelementdl"))) {
      if ($cn('ds-1r0jukn')[0]) {
        $cn('ds-1r0jukn')[0].insertBefore(topelementdl, null);
      } else if ($cn('ds-1rm5mah')[0]) {
        $cn('ds-1rm5mah')[0].insertBefore(topelementdl, null);
      }
    }

    var getJSON = function(url, callback) {

      xhr.open('GET', url, true);
      xhr.responseType = 'json';

      xhr.onload = function() {

        var status = xhr.status;

        if (status == 200) {
          callback(null, xhr.response);
        } else {
          callback(status);
        }
      };

      xhr.send();
    };

    var getM3U = function(url, callback) {

      xhr.open('GET', url, true);
      xhr.responseType = 'text';

      xhr.onload = function() {

        var status = xhr.status;

        if (status == 200) {
          callback(null, xhr.response);
        } else {
          callback(status);
        }
      };

      xhr.send();
    };


    if ((filmid != null) && (filmid != "null") && (filmid != "") && (filmid != "undefined") && (filmid != undefined) && (filmid != NaN)) {
      $("streamurl").onclick = function() {
        streamurl()
      }
    } else {
      getJSON(download_url, function(err, data) {
        if (err != null) {
          console.error(err);
        } else {
          url = data.data.attributes.streams[0].url;
        }
      });

    }

    getM3U(url, function(err, data) {
      if (err != null) {
        console.error(err);
      } else {

        getM3U = function() {};

        var mp4avail = 1,
          fhdavail = 0,
          videosarr = new Array(),
          audiosarr = new Array(),
          subtisarr = new Array(),
          videosarrng = new Array(),
          vid = 0,
          aud = 0,
          sub = 0,
          vidng = 0,
          videolinksng = "",
          result, videolinks, audiolinks, subtilinks = "",
          vregex = new RegExp(".*_v", "gi"),
          videoformats = /-([A-Z])_v/,
          uregex = /URI=(["'])(.*?)\1/,
          nregex = /NAME=(["'])(.*?)\1/;

        var lines = data.split(/[\r\n]/);

        for (var i in lines) {

          var line = lines[i];

          if (!(/iframe/.test(line))) {

            if (!(/h265/.test(line))) {

              if (videoformats.test(line)) {

                if (/aka_me_session/.test(line)) {
                  mp4avail = 0;
                }
                if (/v1080/.test(line)) {
                  fhdavail = 1;
                }

                videosarr[vid] = line;
                vid++;

              }

              if (/TYPE=AUDIO/.test(line)) {

                var audiofile = line.match(uregex)[2];
                var audiolabel = line.match(nregex)[2];

                audiosarr[aud] = audiolabel + "#" + audiofile;
                aud++;

              }

              if (/TYPE=SUBTITLES/.test(line)) {

                var subfile = line.match(uregex)[2];
                var sublabel = line.match(nregex)[2];

                subtisarr[sub] = sublabel + "#" + subfile.replace("m3u8", "vtt");
                sub++;

              }

            } else {
              videosarrng[vidng] = line;
              vidng++
            }

          }

        }

        videosarr = videosarr.sort();
        if (fhdavail == 1) {
          videosarr.push(videosarr.shift());
        }

        videosarr = videosarr.reverse();

        audiosarr = audiosarr.sort();
        subtisarr = subtisarr.sort();

        var bp = "&#x95; ";

        for (var i = 0, l = subtisarr.length; i < l; ++i) {

          var subcom = subtisarr[i].split("#");
          subtilinks += '<option value="' + subcom[1] + '">' + subcom[0].replace("automatische", "erforderlich").replace("Für", "für").replace(" Untertitel", "").replace("forcé", "obligatoire") + '</option>';

        }

        for (var i = 0, l = audiosarr.length; i < l; ++i) {

          var audcom = audiosarr[i].split("#");
          audiolinks += '<option value="' + audcom[1] + '">' + audcom[0].replace(" (Original)", "").replace(" (VO)", "") + '</option>';

        }

        for (var i = 0, l = videosarr.length; i < l; ++i) {

          videolinks += '<option value="' + videosarr[i] + '">' + videosarr[i].replace(".m3u8", "").replace(vregex, "") + 'p</option>';

        }

        if (videosarrng.length > 0) {

          videosarrng = videosarrng.sort();
          videolinks += '<option value="">' + bp + 'h265 (hevc)/mp4 ' + loc_video + ':</option>';

          for (var i = 0, l = videosarrng.length; i < l; ++i) {

            videolinks += '<option value="' + videosarrng[i] + '">' + videosarrng[i].replace(".m3u8", "").replace("_h265", "").replace(vregex, "") + 'p</option>';

          }

        }

        if (mp4avail == 1) {
          trailer = " " + trailer;
          result = '<form name="jump" action=""><select id="dlmenu" style="background-color:black;color:white; width: 40px" class="' + spanclass + '" name="dlmenu" onchange="opennewtab()">';
          result += '<option value="" selected="selected">&#x1f847; ' + loc_dl + trailer + '</option>'; // 🡇
          result += '<option value=""></option>';
          result += '<option value="">' + bp + 'h264 (avc)/mp4 ' + loc_video + ':</option>';
          result += videolinks;
          result += '<option value=""></option>';
          result += '<option value="">' + bp + 'aac/mp4 ' + loc_audio + ':</option>';
          result += audiolinks;
          if (subtisarr.length > 0) {
            result += '<option value=""></option>';
            result += '<option value="">' + bp + 'vtt/txt ' + loc_subs + ':</option>';
            result += subtilinks;
          }
          if ((kind == "concert") && (cuescriptid > 0)) {
            result += '<option value=""></option>';
            result += '<option value="">' + bp + loc_set + ':</option>';
            result += '<option value="cue">' + loc_cue + '</option>';
            result += '<option value="txt">' + loc_txt + '</option>';
          }
          result += '</select></form>';
          result = result.replaceAll(".m3u8", ".mp4").replaceAll("undefined", "");

        } else {
          result = loc_nodl;
        }

        $("arteuserjsdlinner").innerHTML = result;

      }

    });

    var script = document.createElement("script");
    script.innerHTML = `
            function opennewtab() {
              var optionvalue = document.jump.dlmenu.options[document.jump.dlmenu.selectedIndex].value;
                if ((optionvalue == "cue") || (optionvalue == "txt")) {
                  var hiddenElement = document.createElement('a');
                  var format;
                    if (optionvalue == "cue") { format = encodeURIComponent(window.cue) }
                    else { format = encodeURIComponent(window.txt) }
                    hiddenElement.href = 'data:attachment/text,' + format;
                    hiddenElement.download = window.cuefilename + '.' + optionvalue;
                    hiddenElement.click();
                } else if ((document.jump.dlmenu.selectedIndex > 0) && (optionvalue != "") && (optionvalue != "#")) {
                    window.open(optionvalue, "artedltab");
                }

            }
       `;
    document.body.appendChild(script);
  }

  $("streamurl").onclick = function() { streamurl() }
  if ((kind == "concert") && (cuescriptid > 0)) { setlist() }

});