parsingphase / takeAticket

 * Created by wechsler on 04/08/15.

 */

var ticketer = (function() {

  'use strict';

  return {

    upcomingTicketTemplate: null,

    manageTemplate: null,

    songAutocompleteItemTemplate: null,

    editTicketTemplate: null,

    songDetailsTemplate: null,

    appMessageTarget: null,

    searchCount: 10,

    instrumentOrder: ['V', 'G', 'B', 'D', 'K'],

    defaultSongLengthSeconds: 240,

    defaultSongIntervalSeconds: 120,

    messageTimer: null,

    /**

     * @var {{songInPreview,upcomingCount,iconMapHtml}}

     */

    displayOptions: {},

    /**

     * List of all performers (objects) who've signed up in this session

     */

    performers: [],

    /**

     * List of all platform names in the system

     */

    platforms: [],

    performerExists: function(performerName) {

      for (var i = 0; i < this.performers.length; i++) {

        if (this.performers[i].performerName.toLowerCase() == performerName.toLowerCase()) {

          return true;

        }

      }

      return false;

    },

    addPerformerByName: function(performerName) {

      this.performers.push({performerName: performerName});

      // Now resort it

      this.performers.sort(function(a, b) {

        return a.performerName.localeCompare(b.performerName);

      });

    },

    /**

     * Run the "upcoming" panel

     */

    go: function() {

      this.initTemplates();

      ticketer.reloadTickets();

    /**

     * Draw an "upcoming" ticket

     * @param ticket {{band}}

     * @returns {*}

     */

    drawDisplayTicket: function(ticket) {

      // Sort band into standard order

      var unsortedBand = ticket.band;

      var sortedBand = {};

      for (var i = 0; i < this.instrumentOrder.length; i++) {

        var instrument = this.instrumentOrder[i];

        if (unsortedBand.hasOwnProperty(instrument)) {

          sortedBand[instrument] = unsortedBand[instrument];

        }

      }

      ticket.band = sortedBand;

      var ticketParams = {ticket: ticket, icons: this.displayOptions.iconMapHtml};

      return this.upcomingTicketTemplate(ticketParams);

    },

    /**

     * Draw a "queue management" ticket

     * @param ticket

     * @returns {*}

     */

    drawManageableTicket: function(ticket) {

      ticket.used = Number(ticket.used); // Force int

      return this.manageTemplate({ticket: ticket});

    },

    /**

     * Reload all tickets on the upcoming page

     */

    reloadTickets: function() {

      var that = this;

      $.get('/api/next', function(tickets) {

        var out = '';

        for (var i = 0; i < tickets.length; i++) {

          var ticket = tickets[i];

          out += that.drawDisplayTicket(ticket);

        }

        var target = $('#target');

        target.html(out);

        target.find('.auto-font').each(

          function() {

            var fixedWidth = $(this).data('fixed-assetwidth');

            if (!fixedWidth) {

              fixedWidth = 0;

            }

            fixedWidth = Number(fixedWidth);

            var spaceUsedByText = (this.scrollWidth - fixedWidth);

            var spaceAvailableForText = (this.clientWidth - fixedWidth);

            var rawScale = Math.max(spaceUsedByText / spaceAvailableForText, 1);

            var scale = 1.05 * rawScale;

            if (that.displayOptions.adminQueueHasControls && that.displayOptions.isAdmin) {

              scale *= 1.25;

            }

            // 1.05 extra scale to fit neatly, fixedWidth is non-scaling elements

            var font = Number($(this).css('font-size').replace(/[^0-9]+$/, ''));

            $(this).css('font-size', Number(font / scale).toFixed() + 'px');

          }

        );

        target.find('.performingButton').click(function() {

          if (window.confirm('Mark song as performing?')) {

            that.performButtonCallback(this);

          }

        });

        target.find('.removeButton').click(function() {

          if (window.confirm('Remove song?')) {

            that.removeButtonCallback(this);

          }

        });

      });

    },

    /**

     * Enable queue management ticket buttons in the specified element

     * @param topElement

     */

    enableButtons: function(topElement) {

      var that = this;

      $(topElement).find('.performButton').click(function() {

        that.performButtonCallback(this);

      });

      $(topElement).find('.removeButton').click(function() {

        that.removeButtonCallback(this);

      });

      $(topElement).find('.editButton').click(function() {

        that.editButtonCallback(this);

      });

    },

    enableSongSearchBox: function(songSearchInput, songSearchResultsTarget, songClickHandler) {

      var that = this;

      $(songSearchInput).keyup(

        function() {

          var songComplete = $(songSearchResultsTarget);

          var input = $(this);

          var searchString = input.val();

          if (searchString.length >= 3) {

            $.ajax({

              method: 'POST',

              data: {

                searchString: searchString,

                searchCount: that.searchCount

              },

              url: '/api/songSearch',

              /**

               * @param {{songs, searchString}} data

               */

              success: function(data) {

                var songs = data.songs;

                if (input.val() == data.searchString) {

                  // Ensure autocomplete response is still valid for current input value

                  var out = '';

                  var song; // Used twice below

                  for (var i = 0; i < songs.length; i++) {

                    song = songs[i];

                    out += that.songAutocompleteItemTemplate({song: song});

                  }

                  songComplete.html(out).show();

                  // Now attach whole song as data:

                  for (i = 0; i < songs.length; i++) {

                    song = songs[i];

                    var songId = song.id;

                    songComplete.find('.acSong[data-song-id=' + songId + ']').data('song', song);

                  }

                  that.enableAcSongSelector(songComplete, songClickHandler);

                }

              },

              error: function(xhr, status, error) {

                void(error);

              }

            });

          } else {

            songComplete.html('');

          }

        }

      );

    },

    /**

     * Completely (re)generate the add ticket control panel and enable its controls

     * @param {?number} currentTicket Optional

     */

    resetEditTicketBlock: function(currentTicket) {

      var that = this;

      var controlPanelOuter = $('.editTicketOuter');

      // Current panel state in function scope

      var selectedInstrument = 'V';

      var currentBand = {};

      // Reset band to empty (or to ticket band state)

      for (var instrumentIdx = 0; instrumentIdx < that.instrumentOrder.length; instrumentIdx++) {

        var instrument = that.instrumentOrder[instrumentIdx];

        currentBand[instrument] = [];

        if (currentTicket && currentTicket.band) {

          // Ticket.band is a complex datatype. Current band is just one array of names per instrument. Unpack to show.

          if (currentTicket.band.hasOwnProperty(instrument)) {

            var instrumentPerformerObjects = currentTicket.band[instrument];

            for (var pIdx = 0; pIdx < instrumentPerformerObjects.length; pIdx++) {

              currentBand[instrument].push(instrumentPerformerObjects[pIdx].performerName);

            }

          }

        }

        // Store all instruments as arrays - most can only be single, but vocals is 1..n potentially

      }

      drawEditTicketForm(currentTicket);

      // X var editTicketBlock = $('.editTicket'); // only used in inner scope (applyNewSong)

      // Enable 'Add' button

      $('.editTicketButton').click(editTicketCallback);

      $('.cancelTicketButton').click(cancelTicketCallback);

      $('.removeSongButton').click(removeSong);

      $('.toggleButton').click(

        function() {

          var check = $(this).find('input[type=checkbox]');

          check.prop('checked', !check.prop('checked'));

        }

      );

      // Enable the instrument tabs

      var allInstrumentTabs = controlPanelOuter.find('.instrument');

      allInstrumentTabs.click(

        function() {

          selectedInstrument = $(this).data('instrumentShortcode');

          setActiveTab(selectedInstrument);

        }

      );

      var ticketTitleInput = $('.editTicketTitle');

      // Copy band name into summary area on Enter

      ticketTitleInput.keydown(function(e) {

        if (e.keyCode == 13) {

          updateBandSummary();

        }

      });

      $('.newPerformer').keydown(function(e) {

        if (e.keyCode == 13) {

          var newPerformerInput = $('.newPerformer');

          var newName = newPerformerInput.val();

          if (newName.trim().length) {

            alterInstrumentPerformerList(selectedInstrument, newName, true);

          }

          newPerformerInput.val('');

        }

      });

      // Set up the song search box in this control panel and set the appropriate callback

      var songSearchInput = '.addSongTitle';

      var songSearchResultsTarget = '.songComplete';

      this.enableSongSearchBox(songSearchInput, songSearchResultsTarget, applyNewSong);

      // ************* Inner functions **************

      /**

       * Switch to the next visible instrument tab

       */

      function nextInstrumentTab() {

        // Find what offset we're at in instrumentOrder

        var currentOffset = 0;

        for (var i = 0; i < that.instrumentOrder.length; i++) {

          if (that.instrumentOrder[i] == selectedInstrument) {

            currentOffset = i;

          }

        }

        var nextOffset = currentOffset + 1;

        if (nextOffset >= that.instrumentOrder.length) {

          nextOffset = 0;

        }

        var instrument = that.instrumentOrder[nextOffset];

        selectedInstrument = instrument; // Reset before we redraw tabs

        var newActiveTab = setActiveTab(instrument);

        // Make sure we switch to a *visible* tab

        if (newActiveTab.hasClass('instrumentUnused')) {

          nextInstrumentTab();

        }

      }

      /**

       * (re)Draw the add/edit ticket control panel in the .editTicketOuter element

       */

      function drawEditTicketForm(ticket) {

        var templateParams = {performers: that.performers};

        if (ticket) {

          templateParams.ticket = ticket;

        }

        controlPanelOuter.html(that.editTicketTemplate(templateParams));

        updateInstrumentTabs();

        if (ticket && ticket.song) {

          applyNewSong(ticket.song);

        }

      }

      function findPerformerInstrument(name) {

        var instrumentPlayers;

        for (var instrumentCode in currentBand) {

          if (currentBand.hasOwnProperty(instrumentCode)) {

            instrumentPlayers = currentBand[instrumentCode];

            for (var i = 0; i < instrumentPlayers.length; i++) {

              if (instrumentPlayers[i].toUpperCase() == name.toUpperCase()) {

                return instrumentCode;

              }

            }

          }

        }

        return null;

      }

      /**

       * Rebuild list of performer buttons according to overall performers list

       * and which instruments they are assigned to

       */

      function rebuildPerformerList() {

        var newButton;

        var targetElement = controlPanelOuter.find('.performers');

        targetElement.text(''); // Remove existing list

        var lastInitial = '';

        var performerCount = that.performers.length;

        var letterSpan;

        for (var pIdx = 0; pIdx < performerCount; pIdx++) {

          var performerName = that.performers[pIdx].performerName;

          var performerInstrument = findPerformerInstrument(performerName);

          var isPerforming = performerInstrument ? 1 : 0;

          var initialLetter = performerName.charAt(0).toUpperCase();

          if (lastInitial !== initialLetter) {

            if (letterSpan) {

              targetElement.append(letterSpan);

            }

            letterSpan = $('<span class="letterSpan"></span>');

            if ((performerCount > 15)) {

              letterSpan.append($('<span class="initialLetter">' + initialLetter + '</span>'));

            }

          }

          lastInitial = initialLetter;

          newButton = $('<span></span>');

          newButton.addClass('btn addPerformerButton');

          newButton.addClass(isPerforming ? 'btn-primary' : 'btn-default');

          if (isPerforming && (performerInstrument !== selectedInstrument)) { // Dim out buttons for other instruments

            newButton.attr('disabled', 'disabled');

          }

          newButton.text(performerName);

          newButton.data('selected', isPerforming); // This is where it gets fun - check if user is in band!

        }

        targetElement.append(letterSpan);

        // Enable the new buttons

        $('.addPerformerButton').click(function() {

          var name = $(this).text();

          var selected = $(this).data('selected') ? 0 : 1; // Reverse to get new state

          if (selected) {

            $(this).removeClass('btn-default').addClass('btn-primary');

          } else {

            $(this).removeClass('btn-primary').addClass('btn-default');

          }

          $(this).data('selected', selected); // Toggle

          alterInstrumentPerformerList(selectedInstrument, name, selected);

        });

      }

      /**

       * Handle click on edit ticket button

       */

      function editTicketCallback() {

        var titleInput = $('.editTicketTitle');

        var ticketTitle = titleInput.val();

        var songInput = $('.selectedSongId');

        var songId = songInput.val();

        var privateCheckbox = $('input.privateCheckbox');

        var isPrivate = privateCheckbox.is(':checked');

        var blockingCheckbox = $('input.blockingCheckbox');

        var isBlocked = blockingCheckbox.is(':checked');

        var data = {

          title: ticketTitle,

          songId: songId,

          band: currentBand,

          private: isPrivate,

          blocking: isBlocked

        };

        if (currentTicket) {

          data.existingTicketId = currentTicket.id;

        }

        that.showAppMessage('Saving ticket');

        $.ajax({

            method: 'POST',

            data: data,

            url: '/api/saveTicket',

            success: function(data, status) {

              that.showAppMessage('Saved ticket', 'success');

              void(status);

              var ticketId = data.ticket.id;

              var ticketBlockSelector = '.ticket[data-ticket-id="' + ticketId + '"]';

              var existingTicketBlock = $(ticketBlockSelector);

              if (existingTicketBlock.length) {

                // Replace existing

                existingTicketBlock.after(that.drawManageableTicket(data.ticket));

                existingTicketBlock.remove();

              } else {

                // Append new

                $('#target').append(that.drawManageableTicket(data.ticket));

              }

              var ticketBlock = $(ticketBlockSelector);

              ticketBlock.data('ticket', data.ticket);

              that.enableButtons(ticketBlock);

              if (data.performers) {

                that.performers = data.performers;

              }

              that.updatePerformanceStats();

              that.resetEditTicketBlock();

            },

            error: function(xhr, status, error) {

              var message = 'Ticket save failed';

              that.reportAjaxError(message, xhr, status, error);

              void(error);

              // FIXME handle error

            }

          }

        );

      }

      function cancelTicketCallback() {

        that.resetEditTicketBlock();

      }

      function getTabByInstrument(instrument) {

        return controlPanelOuter.find('.instrument[data-instrument-shortcode=' + instrument + ']');

      }

      function setActiveTab(selectedInstrument) {

        allInstrumentTabs.removeClass('instrumentSelected');

        var selectedTab = getTabByInstrument(selectedInstrument);

        selectedTab.addClass('instrumentSelected');

        rebuildPerformerList(); // Rebuild in current context

        return selectedTab;

      }

      function updateBandSummary() {

        var bandName = $('.editTicketTitle').val();

        var members = [];

        for (var instrument in currentBand) {

          if (currentBand.hasOwnProperty(instrument)) {

            for (var i = 0; i < currentBand[instrument].length; i++) {

              members.push(currentBand[instrument][i]);

            }

          }

        }

        var memberList = members.join(', ');

        var summaryHtml = (bandName ? bandName + '<br />' : '') + memberList;

        $('.selectedBand').html(summaryHtml);

      }

      function updateInstrumentTabs() {

        var performersSpan;

        var performerString;

        for (var iIdx = 0; iIdx < that.instrumentOrder.length; iIdx++) {

          var instrument = that.instrumentOrder[iIdx];

          performersSpan = controlPanelOuter

            .find('.instrument[data-instrument-shortcode=' + instrument + ']')

            .find('.instrumentPerformer');

          performerString = currentBand[instrument].join(', ');

          if (!performerString) {

            performerString = '<i>Needed</i>';

          }

          performersSpan.html(performerString);

        }

        updateBandSummary();

      }

      /**

       * Handle performer add / remove by performer button / text input

       * @param instrument

       * @param changedPerformer

       * @param isAdd

       */

      function alterInstrumentPerformerList(instrument, changedPerformer, isAdd) {

        var currentInstrumentPerformers = currentBand[selectedInstrument];

        var newInstrumentPerformers = [];

        for (var i = 0; i < currentInstrumentPerformers.length; i++) {

          var member = currentInstrumentPerformers[i].trim(); // Trim only required when we draw data from manual input

          if (member.length) {

            if (member.toUpperCase() != changedPerformer.toUpperCase()) {

              // If it's not the name on our button, no change

              newInstrumentPerformers.push(member);

            }

          }

        }

        if (isAdd) { // If we've just selected a new user, append them

          newInstrumentPerformers.push(changedPerformer);

          if (!that.performerExists(changedPerformer)) {

            that.addPerformerByName(changedPerformer);

          }

        }

        currentBand[selectedInstrument] = newInstrumentPerformers;

        // Now update band with new performers of this instrument

        updateInstrumentTabs();

        rebuildPerformerList();

        if (newInstrumentPerformers.length) { // If we've a performer for this instrument, skip to next

          nextInstrumentTab();

        }

      }

      /**

       *

       * @param {{id, title, artist, hasKeys, hasHarmony}} song

       */

      function applyNewSong(song) {

        var selectedId = song.id;

        var selectedSong = song.artist + ': ' + song.title;

        var removeSongButton = $('.removeSongButton');

        removeSongButton.removeClass('hidden');

        // Perform actions with selected song

        var editTicketBlock = $('.editTicket'); // Temp hack, should already be in scope?

        editTicketBlock.find('input.selectedSongId').val(selectedId);

        editTicketBlock.find('.selectedSong').text(selectedSong);

        var keysTab = controlPanelOuter.find('.instrumentKeys');

        if (song.instruments && (song.instruments.indexOf('Keyboard') !== -1)) {

          keysTab.removeClass('instrumentUnused');

        } else {

          keysTab.addClass('instrumentUnused');

          // Also uncheck any performer for instrument (allow use elsewhere)

          currentBand.K = [];

          keysTab.find('.instrumentPerformer').html('<i>Needed</i>');

          rebuildPerformerList();

        }

      }

      function removeSong() {

        var editTicketBlock = $('.editTicket'); // Temp hack, should already be in scope?

        editTicketBlock.find('input.selectedSongId').val(0);

        editTicketBlock.find('.selectedSong').text('');

        $(songSearchInput).val('');

        var removeSongButton = $('.removeSongButton');

        removeSongButton.hide();

      }

    },

    manage: function(tickets) {

      var that = this;

      this.appMessageTarget = $('#appMessages');

      this.initTemplates();

      var ticket, ticketBlock; // For loop iterations

      var out = '';

      for (var i = 0; i < tickets.length; i++) {

        ticket = tickets[i];

        out += that.drawManageableTicket(ticket);

        ticketBlock = $('.ticket[data-ticket-id="' + ticket.id + '"]');

        ticketBlock.data('ticket', ticket);

      }

      $('#target').html(out);

      // Find new tickets (now they're DOM'd) and add data to them

      for (i = 0; i < tickets.length; i++) {

        ticket = tickets[i];

        ticketBlock = $('.ticket[data-ticket-id="' + ticket.id + '"]');

        ticketBlock.data('ticket', ticket);

      }

      var $sortContainer = $('.sortContainer');

      $sortContainer.sortable({

        axis: 'y',

        update: function(event, ui) {

          void(event);

          void(ui);

          that.ticketOrderChanged();

        }

      }).disableSelection().css('cursor', 'move');

      this.enableButtons($sortContainer);

      this.updatePerformanceStats();

      this.resetEditTicketBlock();

    },

    initSearchPage: function() {

      var that = this;

      this.initTemplates();

      this.enableSongSearchBox('.searchString', '.songComplete', that.searchPageSongSelectionClick);

    },

    initTemplates: function() {

      var that = this;

      // CommaList = each, with commas joining. Returns value at t as tuple {k,v}

      // "The options hash contains a function (options.fn) that behaves like a normal compiled Handlebars template."

      // If called without inner template, options.fn is not populated

      Handlebars.registerHelper('commalist', function(context, options) {

        var retList = [];

        for (var key in context) {

          if (context.hasOwnProperty(key)) {

            retList.push(options.fn ? options.fn({k: key, v: context[key]}) : context[key]);

          }

        }

        return retList.join(', ');

      });

      Handlebars.registerHelper('instrumentIcon', function(instrumentCode) {

        var icon = '<span class="instrumentTextIcon">' + instrumentCode + '</span>';

        if (that.displayOptions.hasOwnProperty('iconMapHtml')) {

          if (that.displayOptions.iconMapHtml.hasOwnProperty(instrumentCode)) {

            icon = that.displayOptions.iconMapHtml[instrumentCode];

          }

        }

        return new Handlebars.SafeString(icon);

      });

      Handlebars.registerHelper('durationToMS', function(duration) {

        var seconds = (duration % 60);

        if (seconds < 10) {

          seconds = '0' + seconds;

        }

        return Math.floor(duration / 60) + ':' + seconds;

      });

      Handlebars.registerHelper('gameList', function(song) {

        return song.platforms.join(', ');

      });

      Handlebars.registerHelper('ifContains', function(haystack, needle, options) {

        return (haystack.indexOf(needle) === -1) ? '' : options.fn(this);

      });

      this.manageTemplate = Handlebars.compile(

        '<div class="ticket well well-sm {{#if ticket.used}}used{{/if}}' +

        ' {{#each ticket.song.platforms }}platform{{ this }} {{/each}}' +

        ' {{#if ticket.band.K}}withKeys{{/if}}"' +

        ' data-ticket-id="{{ ticket.id }}">' +

        '        <div class="pull-right">' +

        (function() {

          var s = '';

          for (var i = 0; i < that.platforms.length; i++) {

            var p = that.platforms[i];

            s += '<div class="gameMarker gameMarker' + p + '">' +

              '{{#ifContains ticket.song.platforms "' + p + '" }}' + p + '{{/ifContains}}</div>';

          }

          return s;

        })() +

        '        <button class="btn btn-primary performButton" data-ticket-id="{{ ticket.id }}">Performing</button>' +

        '        <button class="btn btn-danger removeButton" data-ticket-id="{{ ticket.id }}">Remove</button>' +

        '        <button class="btn editButton" data-ticket-id="{{ ticket.id }}">' +

        '<span class="fa fa-edit" title="Edit"></span>' +

        '</button>' +

        '        </div>' +

        '<div class="ticketOrder">' +

        '<div class="ticketOrdinal"></div>' +

        '<div class="ticketTime"></div>' +

        '</div>' +

        '<div class="ticketId">' +

        '<span class="fa fa-ticket"></span> {{ ticket.id }}</div> ' +

        '<div class="ticketMeta">' +

        '<div class="blocking">' +

        '{{#if ticket.blocking}}<span class="fa fa-hand-stop-o" title="Blocking" />{{/if}}' +

        '</div>' +

        '<div class="private">' +

        '{{#if ticket.private}}<span class="fa fa-eye-slash" title="Private" />{{/if}}' +

        '</div>' +

        '</div>' +

        '<div class="pendingSong">' +

        '<span class="fa fa-group"></span> ' +

        // Display performers with metadata if valid, else just the band title.

        /*

         '{{#if ticket.performers}}' +

         '{{#each ticket.performers}}' +

         '<span class="performer performerDoneCount{{songsDone}}" ' +

         'data-performer-id="{{performerId}}"> {{performerName}} ' +

         ' (<span class="songsDone">{{songsDone}}</span>/<span class="songsTotal">{{songsTotal}}</span>)' +

         '</span>' +

         '{{/each}}' +

         '{{else}}' +

         '{{ ticket.title }}' +

         '{{/if}}' +

         */

        // Display performers with metadata if valid, else just the band title.

        '{{#if ticket.band}}' +

        '{{#each ticket.band}} <span class="instrumentTextIcon">{{ @key }}</span>' +

        '{{#each this}}' +

        '<span class="performer performerDoneCount{{songsDone}}" ' +

        'data-performer-id="{{performerId}}" data-performer-name="{{performerName}}"> {{performerName}} ' +

        ' (<span class="songsDone">{{songsDone}}</span>/<span class="songsTotal">{{songsTotal}}</span>)' +

        '</span>' +

        '{{/each}}' +

        '{{/each}}' +

        '{{/if}}' +

        '{{#if ticket.title}}' +

        '<span class="ticketTitleIcon"><span class="instrumentTextIcon">Title</span> {{ ticket.title }}</span>' +

        '{{/if}}' +

        '{{#if ticket.song}}<br /><span class="fa fa-music"></span> {{ticket.song.artist}}: ' +

        '{{ticket.song.title}}' +

        ' ({{gameList ticket.song}})' +

        '{{/if}}' +

        '</div>' +

        '</div>'

      );

      this.upcomingTicketTemplate = Handlebars.compile(

        '<div class="ticket well ' +

        (this.displayOptions.songInPreview ? 'withSong' : 'noSong') +

        ' ' +

        (this.displayOptions.title ? 'withTitle' : 'noTitle') + // TODO is this used (correctly)?

        '" data-ticket-id="{{ ticket.id }}">' +

        (this.displayOptions.adminQueueHasControls && this.displayOptions.isAdmin ?

          '<div class="ticketAdminControls">' +

          '<button class="btn btn-sm btn-primary performingButton"' +

          ' data-ticket-id="{{ ticket.id }}">Performing</button>' +

          '<button class="btn btn-sm btn-danger removeButton" data-ticket-id="{{ ticket.id }}">Remove</button>' +

          '</div>'

          : '') +

        '<div class="ticketMeta">' +

        '<div class="blocking">' +

        '{{#if ticket.blocking}}<span class="fa fa-hand-stop-o" title="Blocking" />{{/if}}' +

        '</div>' +

        '<div class="private">' +

        '{{#if ticket.private}}<span class="fa fa-eye-slash" title="Private" />{{/if}}' +

        '</div>' +

        '</div>' +

        '  <div class="ticket-inner">' +

        '    <p class="text-center band auto-font">{{ticket.title}}</p>' +

        '    <p class="performers auto-font" data-fixed-assetwidth="200">' +

        '{{#each ticket.band}}' +

        '<span class="instrumentTag">{{instrumentIcon @key}}</span>' +

        '<span class="instrumentPerformers">{{#commalist this}}{{v.performerName}}{{/commalist}}</span>' +

        '{{/each}}' +

        '    </p>' +

        (this.displayOptions.songInPreview ?

          '{{#if ticket.song}}<p class="text-center song auto-font">' +

          '{{ticket.song.artist}}: {{ticket.song.title}}' +

          ' ({{gameList ticket.song}})' +

          '</p>{{/if}}' : '') +

        '        </div>' +

        '</div>  '

      );

      this.songAutocompleteItemTemplate = Handlebars.compile(

        '<div class="acSong" data-song-id="{{ song.id }}">' +

        '        <div class="acSong-inner {{#if song.queued}}queued{{/if}}">' +

        '        {{song.artist}}: {{song.title}} ({{gameList song}}) ' +

        '        </div>' +

        '</div>  '

      );

      this.editTicketTemplate = Handlebars.compile(

        '<div class="editTicket well">' +

        '<div class="pull-right editTicketButtons">' +

        '<button class="blockingButton btn btn-warning toggleButton">' +

        '<span class="fa fa-hand-stop-o" /> Blocking ' +

        ' <input type="checkbox" class="blockingCheckbox" ' +

        '  {{#if ticket}}{{# if ticket.blocking }}checked="checked"{{/if}}{{/if}} /></button>' +

        '<button class="privacyButton btn btn-warning toggleButton">' +

        '<span class="fa fa-eye-slash" /> Private ' +

        ' <input type="checkbox" class="privateCheckbox" ' +

        '  {{#if ticket}}{{# if ticket.private }}checked="checked"{{/if}}{{/if}} /></button>' +

        '<button class="editTicketButton btn btn-success">' +

        '<span class="fa fa-save" /> Save</button>' +

        '<button class="cancelTicketButton btn">' +

        '<span class="fa fa-close" /> Cancel</button>' +

        '</div>' +

        '{{# if ticket}}' +

        '<h3 class="editTicketHeader">Edit ticket <span class="fa fa-ticket"></span> {{ticket.id}}</h3>' +

        '{{else}}<h3 class="newTicketHeader">Add new ticket</h3>{{/if}}' +

        '<div class="editTicketInner">' +

        '<div class="editTicketSong">' +

        '<div class="ticketAspectSummary"><span class="fa fa-music fa-2x" title="Song"></span> ' +

        '<input type="hidden" class="selectedSongId"/> ' +

        '<span class="selectedSong">{{#if ticket}}{{#if ticket.song}}{{ticket.song.artist}}: ' +

        '{{ticket.song.title}}{{/if}}{{/if}}</span>' +

        '<button title="Remove song from ticket" ' +

        'class="btn removeSongButton{{#unless ticket}}{{#unless ticket.song}} hidden{{/unless}}{{/unless}}">' +

        ' <span class="fa fa-ban" />' +

        '</button>' +

        '</div>' +

        '<div class="input-group input-group">' +

        '<span class="input-group-addon" id="search-addon1"><span class="fa fa-search"></span> </span>' +

        '<input class="addSongTitle form-control" placeholder="Search song or use code"/>' +

        '</div>' +

        '<div class="songCompleteOuter">' +

        '<div class="songComplete"></div>' +

        '</div>' + // /songCompleteOuter

        '</div>' + // /editTicketSong

        '<div class="editTicketBandColumn">' +

        '<div class="ticketAspectSummary"><span class="fa fa-group fa-2x pull-left" title="Performers"></span>' +

        '<span class="selectedBand">{{#if ticket}}{{ticket.title}}{{/if}}</span>' +

        '</div>' + // /ticketAspectSummary

        '<div class="input-group">' +

        '<span class="input-group-addon" id="group-addon-band"><span class="fa fa-pencil"></span> </span>' +

        '<input class="editTicketTitle form-control" placeholder="Band name or message (optional)"' +

        ' value="{{#if ticket}}{{ticket.title}}{{/if}}"/>' +

        '</div>' + // /input-group

        '<div class="bandControls">' +

        '<div class="bandTabsOuter">' +

        '<div class="instruments">' +

        ' <div class="instrument instrumentVocals instrumentSelected" data-instrument-shortcode="V">' +

        '  <div class="instrumentName">Vocals</div>' +

        '  <div class="instrumentPerformer"><i>Needed</i></div>' +

        ' </div>' +

        ' <div class="instrument instrumentGuitar" data-instrument-shortcode="G">' +

        '  <div class="instrumentName">Guitar</div>' +

        '  <div class="instrumentPerformer"><i>Needed</i></div>' +

        ' </div>' +

        ' <div class="instrument instrumentBass" data-instrument-shortcode="B">' +

        '  <div class="instrumentName">Bass</div>' +

        '  <div class="instrumentPerformer"><i>Needed</i></div>' +

        ' </div>' +

        ' <div class="instrument instrumentDrums" data-instrument-shortcode="D">' +

        '  <div class="instrumentName">Drums</div>' +

        '  <div class="instrumentPerformer"><i>Needed</i></div>' +

        ' </div>' +

        ' <div class="instrument instrumentKeys instrumentUnused" data-instrument-shortcode="K">' +

        '  <div class="instrumentName">Keyboard</div>' +

        '  <div class="instrumentPerformer"><i>Needed</i></div>' +

        ' </div>' +

        '</div>' + // /instruments

        '<div class="performerSelect">' +

        '<div class="input-group input-group">' +

        '<span class="input-group-addon" id="group-addon-performer"><span class="fa fa-plus"></span> </span>' +

        '<input class="newPerformer form-control" placeholder="New performer (Firstname Initial)"/>' +

        '</div>' +

        '<div class="performers"></div>' +

        '</div>' + // /performerSelect

        '</div>' + // /bandTabsOuter

        '</div>' + // /bandControls

        '</div>' + // /editTicketBandColumn

        '<div class="clearfix"></div>' + // Clear after editTicketBandColumn

        '</div>' + // /editTicketInner

        '</div>' // /editTicket

      );

      this.songDetailsTemplate = Handlebars.compile(

        '<div class="songDetails"><h3>{{song.artist}}: {{song.title}}</h3>' +

        '<table>' +

        '<tr><th>Duration</th><td>{{durationToMS song.duration}}</td></tr> ' +

        '<tr><th>Code</th><td>{{song.codeNumber}}</td></tr> ' +

        '<tr><th>Instruments </th><td>{{commalist song.instruments}}</td></tr> ' +

        '<tr><th>Games</th><td>{{commalist song.platforms}}</td></tr> ' +

        '<tr><th>Source</th><td>{{song.source}}</td></tr> ' +

        '</table>' +

        '</div>'

      );

    },

    ticketOrderChanged: function() {

      var that = this;

      var idOrder = [];

      $('#target').find('.ticket').each(

        function() {

          var ticketBlock = $(this);

          var ticketId = ticketBlock.data('ticketId');

          idOrder.push(ticketId);

        }

      );

      that.showAppMessage('Updating ticket order');

      $.ajax({

        method: 'POST',

        data: {

          idOrder: idOrder

        },

        url: '/api/newOrder',

          // FIXME check return status

          that.showAppMessage('Saved revised order', 'success');

        },

        error: function(xhr, status, error) {

          var message = 'Failed to save revised order';

          that.reportAjaxError(message, xhr, status, error);

        }

      });

      this.updatePerformanceStats();

    },

    performButtonCallback: function(button) {

      var that = this;

      button = $(button);

      var ticketId = button.data('ticketId');

      that.showAppMessage('Mark ticket used');

      $.ajax({

          method: 'POST',

          data: {

            ticketId: ticketId

          },

          url: '/api/useTicket',

          success: function(data, status) {

            that.showAppMessage('Marked ticket used', 'success');

            void(data);

            void(status);

            var ticketBlock = $('.ticket[data-ticket-id="' + ticketId + '"]');

            ticketBlock.addClass('used');

            // TicketBlock.append(' (done)');

            // Fixme receive updated ticket info from API

            var ticket = ticketBlock.data('ticket');

            ticket.startTime = Date.now() / 1000;

            ticket.used = true;

            ticketBlock.data('ticket', ticket);

            that.updatePerformanceStats();

          },

          error: function(xhr, status, error) {

            var message = 'Failed to mark ticket used';

            that.reportAjaxError(message, xhr, status, error);

          }

        }

      );

    },

    removeButtonCallback: function(button) {

      var that = this;

      button = $(button);

      var ticketId = button.data('ticketId');

      that.showAppMessage('Deleting ticket');

      $.ajax({

          method: 'POST',

          data: {

            ticketId: ticketId

          },

          url: '/api/deleteTicket',

          success: function(data, status) {

            that.showAppMessage('Deleted ticket', 'success');

            void(status);

            var ticketBlock = $('.ticket[data-ticket-id="' + ticketId + '"]');

            ticketBlock.remove();

            that.updatePerformanceStats();

          },

          error: function(xhr, status, error) {

            var message = 'Failed to deleted ticket';

            that.reportAjaxError(message, xhr, status, error);

          }

        }

      );

    },

    editButtonCallback: function(button) {

      var that = this;

      button = $(button);

      var ticketId = button.data('ticketId');

      var ticketBlock = $('.ticket[data-ticket-id="' + ticketId + '"]');

      var ticket = ticketBlock.data('ticket'); // TODO possibly load from ajax instead?

      that.resetEditTicketBlock(ticket);

    },

    enableAcSongSelector: function(outerElement, songClickHandler) {

      var that = this;

      outerElement.find('.acSong').click(

        function() {

          // Find & decorate clicked element

          outerElement.find('.acSong').removeClass('selected');

          $(this).addClass('selected');

          var song = $(this).data('song');

          songClickHandler.call(that, song); // Run in 'that' context

        }

      );

    },

    searchPageSongSelectionClick: function(song) {

      var target = $('#searchTarget');

      target.html(this.songDetailsTemplate({song: song}));

    },

    updatePerformanceStats: function() {

      var that = this;

      var performed = {};

      var lastByPerformer = {};

      var ticketOrdinal = 1;

      var ticketTime = null;

      var pad = function(number) {

        if (number < 10) {

          return '0' + number;

        }

        return number;

      };