(function(context,$) {

    "use strict";

    context.JK = context.JK || {};

    context.JK.refreshMusicSession = function(session_id) {
        var logger = context.JK.logger;
        var server = context.JK.JamServer;
        var client = context.jamClient;

        if (!server.signedIn)
        {
            logger.log("Can't refresh a session because the client is not connected.");
            return;
        }

        function _toJamClientParticipant(participant) {
            return {
                userID : "",
                clientID : participant.client_id,
                tcpPort : 0,
                udpPort : 0,
                localIPAddress : "",
                globalIPAddress : "",
                latency : 0,
                natType : ""
            };
        }

        logger.log("Refreshing session: " + session_id);

        var url = "/api/sessions/" + session_id;
        $.ajax({
            type: "GET",
            url: url
        }).done(function (response) {
            logger.log("Session:");
            logger.log(response);

            var changes = context.JK.Sessions.UpdateSessionParticipants(session_id, response.participants);

            logger.log("Changes:");
            logger.log(changes);

            if (client !== undefined)
            {
                var session = { sessionID: session_id };

                $.each(changes.removed, function(index, participant) {
                    if (participant.client_id != server.clientID) {
                        client.ParticipantLeft(session, _toJamClientParticipant(participant));
                    }
                });

                $.each(changes.added, function(index, participant) {
                    if (participant.client_id != server.clientID) {
                        client.ParticipantJoined(session, _toJamClientParticipant(participant));
                    }
                });
            }
        });
    };

 })(window,jQuery);