var Search = {

    submitArray: [],
    submitArrayExpected: null,

    showSearch: function(){
    	$("#search-wrapper").toggleClass("hide");
    	if(Helper.mobilecheck())
    	{
    		$(".search_input").focus();
    	}
    	$("#song-title").toggleClass("hide");
    	$("#results").toggleClass("hide");
    	$("#results").empty();
    	$("#search-btn i").toggleClass("mdi-navigation-close");
    	$("#search-btn i").toggleClass("mdi-action-search");
    	$("#search").focus();

    },

    search: function(search_input){
      if(result_html === undefined || empty_results_html === undefined) {
        result_html         = $("#temp-results-container");
        empty_results_html    = $("#empty-results-container").html();
      }
      $(".search_results").html('');
      if(search_input !== ""){
        searching = true;
        var keyword= encodeURIComponent(search_input);
        //response= x
        var yt_url = "https://www.googleapis.com/youtube/v3/search?key="+api_key+"&videoEmbeddable=true&part=id&fields=items(id)&type=video&order=viewCount&safeSearch=none&maxResults=25";
        yt_url+="&q="+keyword;
        if(music)yt_url+="&videoCategoryId=10";

        var vid_url = "https://www.googleapis.com/youtube/v3/videos?part=contentDetails,snippet,id&key="+api_key+"&id=";

        if(Helper.contains($("#search_loader").attr("class").split(" "), "hide"))
          $("#search_loader").removeClass("hide");

        if(Helper.contains($("#results").attr("class").split(" "), "hide"))
          $("#results").removeClass("hide");

        $.ajax({
          type: "GET",
          url: yt_url,
          dataType:"jsonp",
          success: function(response){
            if(response.items.length === 0)
            {

              $("<div style='display:none;' id='mock-div'>"+empty_results_html+"</div>").appendTo($("#results")).show("blind", 83.33);
              if(!Helper.contains($("#search_loader").attr("class").split(" "), "hide"))
                $("#search_loader").addClass("hide");

            }else if(response.items){
            //get list of IDs and make new request for video info
              $.each(response.items, function(i,data)
              {
                vid_url += data.id.videoId+",";
              });

              $.ajax({
                type: "GET",
                url: vid_url,
                dataType:"jsonp",
                success: function(response){

                  var output = "";
                  var pre_result = $(result_html);

                  //$("#results").append(result_html);

                  $.each(response.items, function(i,song)
                  {
                    var duration=song.contentDetails.duration;
                    secs=Search.durationToSeconds(duration);
                    if(!longsongs || secs<720){
                      title=song.snippet.title;
                      enc_title=title;//encodeURIComponent(title).replace(/'/g, "\\\'");
                      id=song.id;
                      duration = duration.replace("PT","").replace("H","h ").replace("M","m ").replace("S","s");
                      thumb=song.snippet.thumbnails.medium.url;

                      //$("#results").append(result_html);
                      var songs = pre_result;

                      songs.find(".search-title").text(title);
                      songs.find(".result_info").text(duration);
                      songs.find(".thumb").attr("data-original", thumb);
                      //songs.find(".add-many").attr("onclick", "submit('"+id+"','"+enc_title+"',"+secs+");");
                      songs.find("#add-many").attr("data-video-id", id);
                      songs.find("#add-many").attr("data-video-title", enc_title);
                      songs.find("#add-many").attr("data-video-length", secs);
                      //$($(songs).find("div")[0]).attr("onclick", "submitAndClose('"+id+"','"+enc_title+"',"+secs+");");
                      songs.find("#temp-results").attr("data-video-id", id);
                      songs.find("#temp-results").attr("data-video-title", enc_title);
                      songs.find("#temp-results").attr("data-video-length", secs);
                      //$($(songs).find("div")[0]).attr("id", id)
                      output += songs.html();

                    }
                  });

                  $("<div style='display:none;' id='mock-div'>"+output+"</div>").appendTo($("#results")).show("blind", (response.items.length-1) * 83.33);

                  setTimeout(function(){$(".thumb").lazyload({container: $("#results")});}, 250);

                  if(!Helper.contains($("#search_loader").attr("class").split(" "), "hide"))
                    $("#search_loader").addClass("hide");

                  $(".add-many").click(function(e) {
                      e.preventDefault();
                      e.stopPropagation();
                      return false;
                  });
                }
              });
            }
          }
        });

      }else{
        $(".main").removeClass("blurT");
        $("#controls").removeClass("blurT");
        $(".main").removeClass("clickthrough");
      }
    },

    backgroundSearch: function(title, artist, length, totalNumber, current){
        var keyword= encodeURIComponent(title + " " + artist);
        var yt_url = "https://www.googleapis.com/youtube/v3/search?key="+api_key+"&videoEmbeddable=true&part=id,snippet&fields=items(id,snippet)&type=video&order=relevance&safeSearch=none&maxResults=10";
        yt_url+="&q="+keyword;
        var vid_url = "https://www.googleapis.com/youtube/v3/videos?part=contentDetails,snippet,id&key="+api_key+"&id=";
        artist = artist.split(" ");
        var temptitle = title.split("-");
        temptitle = temptitle.join(" ").split(" ");
        $.ajax({
            type: "GET",
            url: yt_url,
            dataType:"jsonp",
            success: function(response){
                //Helper.log(response);
                if(response.items.length === 0){
                    Search.readySubmit(false, {totalLength: totalNumber - 1});
                    Helper.log("------------------------------");
                    Helper.log("NO MATCH FOR:");
                    Helper.log("Spotify title: " + title + " " + artist.join(" "));
                    Helper.log("Spotify length: " + length);
                    Helper.log("------------------------------");
                    var not_added_song = $("<div>" + not_import_html + "</div>");
                    not_added_song.find(".extra-add-text").text(title + " - " + artist.join(" "));
                    not_added_song.find(".extra-add-text").attr("title", title + " - " + artist.join(" "));
                    not_added_song.find(".extra-button-search").attr("data-text", title + " - " + artist.join(" "));
                    $(".not-imported-container").append(not_added_song.html());
                    $(".not-imported").removeClass("hide");
                } else if(response.items.length > 0) {
                    $.each(response.items, function(i,data)
                    {
                            vid_url += data.id.videoId+",";
                    });

                    $.ajax({
                      type: "GET",
                      url: vid_url,
                      dataType:"jsonp",
                      success: function(response){
                          if(response.items.length > 0) {
                              var matched = false;
                              $.each(response.items, function(i, data){
                                  //Helper.log(data);
                                 //var title = data.snippet.title;
                                 var duration = Search.durationToSeconds(data.contentDetails.duration);
                                 var not_matched = false;
                                 $.each(temptitle, function(i, data_title){
                                    if(data.snippet.title.toLowerCase().indexOf(data_title.toLowerCase()) == -1 || !(
                                        data.snippet.title.toLowerCase().indexOf("cover") == -1 &&
                                        title.toLowerCase().indexOf("cover") == -1 &&
                                        ((data.snippet.title.toLowerCase().indexOf("remix") == -1 &&
                                        title.toLowerCase().indexOf("remix") == -1) ||
                                        (data.snippet.title.toLowerCase().indexOf("remix") != -1 &&
                                        title.toLowerCase().indexOf("remix") != -1) || !(data.snippet.title.toLowerCase().indexOf(artist[0].toLowerCase()) == -1 &&
                                            (data.snippet.channelTitle.toLowerCase().indexOf(artist[0].toLowerCase()) == -1 &&
                                            data.snippet.channelTitle.toLowerCase().indexOf("vevo") == -1)))
                                    ))
                                        not_matched = true;

                                        return false;
                                 });

                                 if(
                                     (!not_matched //&&
                                         //(duration + 1 > length && duration - 1 < length)
                                     )
                                 ){
                                     matched = true;
                                     /*Helper.log("------------------------------");
                                     Helper.log("MATCH FOR:");
                                     Helper.log("YouTube title: " + data.snippet.title);
                                     Helper.log("YouTube Channel: " + data.snippet.channelTitle);
                                     Helper.log("YouTube duration: " + duration);
                                     Helper.log("Spotify title: " + title + " " + artist.join(" "));
                                     Helper.log("Spotify length: " + length);
                                     Helper.log("------------------------------");*/
                                     //Search.submit(data.id,data.snippet.title, duration, true, current, totalNumber);
                                     Search.readySubmit(true, { id: data.id, title: data.snippet.title, duration: duration, totalLength: totalNumber - 1});
                                     return false;
                                 }
                              });
                              if(!matched){
                                  Search.readySubmit(false, {totalLength: totalNumber - 1});
                                  Helper.log("------------------------------");
                                  Helper.log("NO MATCH FOR:");
                                  Helper.log("Spotify title: " + title + " " + artist.join(" "));
                                  Helper.log("Spotify length: " + length);
                                  Helper.log("------------------------------");
                                  var not_added_song = $("<div>" + not_import_html + "</div>");
                                  not_added_song.find(".extra-add-text").text(title + " - " + artist.join(" "));
                                  not_added_song.find(".extra-add-text").attr("title", title + " - " + artist.join(" "));
                                  not_added_song.find(".extra-button-search").attr("data-text", title + " - " + artist.join(" "));
                                  $(".not-imported-container").append(not_added_song.html());
                                  $(".not-imported").removeClass("hide");
                              }
                          }
                      }
                  });

                }
            }
        });
    },

    readySubmit: function(found, obj){
        if(Search.submitArrayExpected === null){
            Search.submitArrayExpected = obj.totalLength;
        }
        if(found){
            Search.submitArray.push(obj);
        } else {
            Search.submitArrayExpected -= 1;
        }
        if((Search.submitArray.length - 1) == Search.submitArrayExpected) {
            $.each(Search.submitArray, function(i, data){
                Search.submit(data.id, data.title, data.duration, true, i, Search.submitArray.length - 1);
            });
            document.getElementById("import_spotify").disabled = false;
            $("#import_spotify").removeClass("hide");
            $("#playlist_loader_spotify").addClass("hide");
            Search.submitArray = [];
            Search.submitArrayExpected = null;
        }
    },

    submitAndClose: function(id,title,duration){
    	Search.submit(id,title, duration, false, 0, 1);
    	$("#results").html('');
    	Search.showSearch();
    	document.getElementById("search").value = "";
    	$("#results").html = "";
    	$(".main").removeClass("blurT");
    	$("#controls").removeClass("blurT");
    	$(".main").removeClass("clickthrough");
    },

    importPlaylist: function(pId,pageToken){
      token = "";
      var headers;
      var datatype;
      if(pageToken !== undefined)
        token = "&pageToken="+pageToken;
      playlist_url = "https://www.googleapis.com/youtube/v3/playlistItems?part=contentDetails&maxResults=49&key="+api_key+"&playlistId="+pId+token;
      if(youtube_authenticated){
          datatype = "html";
          headers = {
              'Content-Type': 'application/json',
              'Authorization': 'Bearer ' + access_token_data_youtube.access_token
          };
      } else {
          headers = {};//'Content-Type': 'application/json'};
          datatype = "jsonp";
      }
      $.ajax({
        type: "GET",
        url: playlist_url,
        dataType: datatype,
        //dataType:"jsonp",
        headers: headers,
        success: function(response)
        {
            if(response.error){
                if(response.error.errors[0].reason == "playlistItemsNotAccessible"){
                    var nonce = randomString(29);
                    window.callback = function(data) {
                        access_token_data_youtube = data;
                        if(access_token_data_youtube.state == nonce){
                            youtube_authenticated = true;
                            setTimeout(function(){
                                youtube_authenticated = false;
                                access_token_data_youtube = {};
                            }, access_token_data_youtube.expires_in * 1000);
                            Search.importPlaylist(pId, pageToken);
                        } else {
                            access_token_data_youtube = "";
                            console.error("Nonce doesn't match");
                        }
                        youtube_window.close();
                        window.callback = "";
                    };
                    youtube_window = window.open("/o_callback#youtube=true&nonce=" + nonce, "", "width=600, height=600");
                } else {
                    Helper.log(response.error);
                    document.getElementById("import").disabled = false;
                    $("#playlist_loader").addClass("hide");
                    $("#import").removeClass("hide");
                    Materialize.toast("It seems you've entered a invalid url.", 4000);
                }

            }  else {
              var ids="";
              if(typeof(response) == "string") response = $.parseJSON(response);
              //Search.addVideos(response.items[0].contentDetails.videoId);
              //response.items.shift();
              $.each(response.items, function(i,data)
              {
                ids+=data.contentDetails.videoId+",";
              });
              Search.addVideos(ids, true);
              if(response.nextPageToken) Search.importPlaylist(pId, response.nextPageToken);
              document.getElementById("import").value = "";
            }
        }
      });
    },

    importSpotifyPlaylist: function(url){
        $.ajax({
           url: url,
           headers: {
               'Authorization': 'Bearer ' + access_token_data.access_token
           },
           success: function(response) {
               $.each(response.items, function(i,data)
               {
                 //ids+=data.contentDetails.videoId+",";
                 Search.backgroundSearch(data.track.name, data.track.artists.map(function(elem){return elem.name;}).join(" "), Math.floor(data.track.duration_ms/1000), response.total, i + response.offset);

               });
               if(response.next){
                   Search.importSpotifyPlaylist(response.next);
               }
           },
           error: function() {
               document.getElementById("import_spotify").disabled = false;
               $("#import_spotify").removeClass("hide");
               $("#playlist_loader_spotify").addClass("hide");
               Materialize.toast("It seems you've entered a invalid url.", 4000);
           }
        });
    },

    addVideos: function(ids, playlist){
    	var request_url="https://www.googleapis.com/youtube/v3/videos?part=contentDetails,snippet,id&key=***REMOVED***&id=";
    	request_url += ids;

    	$.ajax({
    	type: "POST",
    	url: request_url,
    	dataType:"jsonp",
    	success: function(response){
            var x = 0;
            var to_add = [];
    		$.each(response.items, function(i,song)
    		{
    			var duration=Search.durationToSeconds(song.contentDetails.duration);
    			if(!longsongs || duration<720){
    				enc_title= song.snippet.title;//encodeURIComponent(song.snippet.title);
    				//Search.submit(song.id, enc_title, duration, playlist, i);
                    x += 1;
                    to_add.push({id: song.id, enc_title: enc_title, duration: duration, playlist: playlist});
    			}
    		});
            $.each(to_add, function(i, item){
                Search.submit(item.id, item.enc_title, item.duration, item.playlist, i, x);
            });

    	}
    	});
    },

    submit: function(id,title,duration, playlist, num, full_num){
    	socket.emit("add", {id: id, title: decodeURIComponent(title), adminpass: adminpass, list: chan.toLowerCase(), duration: duration, playlist: playlist, num: num, total: full_num});
        //[id, decodeURIComponent(title), adminpass, duration, playlist]);
    },

    durationToSeconds: function(duration) {
        var matches = duration.match(time_regex);
        hours= parseInt(matches[12])||0;
        minutes= parseInt(matches[14])||0;
        seconds= parseInt(matches[16])||0;
        return hours*60*60+minutes*60+seconds;
    }

};