(function(context,$) {

  "use strict";
  context.JK = context.JK || {};
  context.JK.MusicianHoverBubble = function(userId, position) {

    var logger = context.JK.logger;
    var rest = context.JK.Rest();
    var instrumentLogoMap = context.JK.getInstrumentIconMap24();
    var hoverSelector = "#musician-hover";

    this.showBubble = function() {
      $(hoverSelector).css({left: position.left-100, top: position.top});
      $(hoverSelector).fadeIn(500);

      rest.getUserDetail({id: userId})
        .done(function(response) {
          $(hoverSelector).html('');

          // instruments
          var instrumentHtml = '';
          $.each(response.instruments, function(index, val) {
            instrumentHtml += '<div class="left mr10 mb"><img src="' + instrumentLogoMap[val.instrument_id] + '" width="24" height="24" /></div>';
          });

          // followings
          var followingHtml = '';
          $.each(response.followings, function(index, val) {
            if (index < 4) { // display max of 4 followings (NOTE: this only displays USER followings, not BAND followings)
              if (index % 2 === 0) { 
                followingHtml += '<tr>';
              }

              var avatarUrl, profilePath;

              if (val.type === "band") {
                avatarUrl = context.JK.resolveBandAvatarUrl(val.photo_url);
                profilePath = "bandProfile"
              }
              else {
                avatarUrl = context.JK.resolveAvatarUrl(val.photo_url);
                profilePath = "profile";
              }

              followingHtml += '<td width="24"><a href="#" class="avatar-tiny"><img src="' + avatarUrl + '" /></a></td>';
              followingHtml += '<td><a href="/client#/' + profilePath + '/' + val.id + '"><strong>' + val.name + '</strong></a></td>';

              if (index % 2 > 0) {
                followingHtml += '</tr>';
              }
            }
          });

          var template = $('#template-hover-musician').html();
          if (response.biography == null) {
            response.biography = 'No Biography Available';
          }

          var sessionDisplayStyle = 'none';
          var sessionId = '';
          if (response.sessions !== undefined && response.sessions.length > 0) {
            sessionDisplayStyle = 'block';
            sessionId = response.sessions[0].id;
          }

          var musicianHtml = context.JK.fillTemplate(template, {
              userId: response.id,
              avatar_url: context.JK.resolveAvatarUrl(response.photo_url),
              name: response.name,
              location: response.location,
              instruments: instrumentHtml,
              friend_count: response.friend_count,
              follower_count: response.follower_count,
              recording_count: response.recording_count,
              session_count: response.session_count,
              session_display: sessionDisplayStyle,
              session_id: sessionId,
              biography: response.biography,
              followings: response.followings && response.followings.length > 0 ? followingHtml : "<tr><td>N/A</td></tr>",
              profile_url: "/client#/profile/" + response.id
          });

          $(hoverSelector).append('<h2>Musician Detail</h2>' + musicianHtml);
        })
        .fail(function(xhr) {
          if(xhr.status >= 500) {
              context.JK.fetchUserNetworkOrServerFailure();
          }
          else if(xhr.status == 404) {
              context.JK.entityNotFound("User");
          }
          else {
              context.JK.app.ajaxError(arguments);
          }
        });
    };

    this.hideBubble = function() {
      $(hoverSelector).hide();
    };

    this.id = function() {
      return hoverSelector;
    };
  }
})(window,jQuery);