var ZonePro = function() {
    var self = {
        system      : "",
        model       : "",
        feedback    : "",
        debug       : 1,
        zone1       : ["01","05","00","10"],
        zone2       : ["01","05","01","11"],
        zone3       : ["01","05","02","12"],
        zone4       : ["01","05","03","13"],
    };

    self.setup = function(system, feedback) {
            self.log("Creating " + system + " " + feedback );
            self.system = system;
            self.feedback = feedback;
    };

    self.initialize = function() {
        self.log("init");
        CF.watch(CF.FeedbackMatchedEvent, self.system, self.feedback, self.ProcessFeedback);
        self.sendHeartbeat();
    };

    ///////////////////////////////
    // VOLUME FUNCTIONS          //
    ///////////////////////////////
    self.setVolume = function(zone, volume) {
        switch (zone) {
            case 1:
            self.setZoneVolume(self.zone1, volume);
            break;
            case 2:
            self.setZoneVolume(self.zone2, volume);
            break;
            case 3:
            self.setZoneVolume(self.zone3, volume);
            self.setZoneVolume(self.zone4, volume);
            break;

        }

    };
    self.setZoneVolume = function(zone, volume) {
        var commandarray = ["F0","64","00","01","00","00","00","1C","00","33"];
        var fillarray    = ["00","30"];
        var endarray     = ["01","00","00","00","00","01","00","01","03","00"];
        commandarray = commandarray.concat(zone, fillarray, zone, endarray);
        commandarray.push((parseInt(volume) * 2 + 181).toString(16));
        commandarray.push(self.checksum(commandarray));
        self.log(commandarray);
        self.sendCommand(self.hexify(commandarray));
    };



    ///////////////////////////////
    // MUTE FUNCTIONS            //
    ///////////////////////////////
    self.muteOn = function() {
        self.log("Mute");
        self.muteZoneOn(1, "01");
        self.muteZoneOn(2, "01");
        self.muteZoneOn(3, "01");
        self.muteZoneOn(4, "01");
    };
    self.muteOff = function() {
        self.log("UnMute");
        self.muteZoneOn(1, "00");
        self.muteZoneOn(2, "00");
        self.muteZoneOn(3, "00");
        self.muteZoneOn(4, "00");
    };
    self.muteZoneOn = function(zone, mute) {
        var commandarray = ["F0","64","00","01","00","00","00","1B","00","33"];
        var fillarray    = ["00","30"];
        var endarray     = ["01","00","00","00","00","01","00","02","01"];
        var target = "";
        switch (zone) {
            case 1:
            target = self.zone1;
            break;
            case 2:
            target = self.zone2;
            break;
            case 3:
            target = self.zone3;
            break;
            case 4:
            target = self.zone4;
            break;
        }
        commandarray = commandarray.concat(target, fillarray, target, endarray);
        commandarray.push(mute);
        commandarray.push(self.checksum(commandarray));
        self.sendCommand(self.hexify(commandarray));
    };




    ///////////////////////////////
    // FEEDBACK                  //
    ///////////////////////////////
    self.ProcessFeedback = function(feedbackname, feedbackstring) {
        return;
// hahahaha

// hahahahahahahahahahah

// yea right
    };


    ///////////////////////////////
    // INTERNAL HELPER FUNCTIONS //
    ///////////////////////////////
    self.sendHeartbeat = function() {
        // Heartbeat F0 8C
        self.log("heartbeat");
        self.sendCommand("\xF0\x8C");
    };

    self.hexify = function( array ) {
        var string = "";
        for ( var i = 0; i < array.length; i++) {
            string = string + String.fromCharCode(parseInt(array[i],16));
        }
        return string;
    };

    self.checksum = function(dbx) {
        var ccit = ["5E","BC","E2","61","3F","DD","83","C2","9C","7E","20","A3","FD","1F","41","9D","C3","21","7F","FC","A2","40","1E","5F","01","E3","BD","3E","60","82","DC","23","7D","9F","C1","42","1C","FE","A0","E1","BF","5D","03","80","DE","3C","62","BE","E0","02","5C","DF","81","63","3D","7C","22","C0","9E","1D","43","A1","FF","46","18","FA","A4","27","79","9B","C5","84","DA","38","66","E5","BB","59","07","DB","85","67","39","BA","E4","06","58","19","47","A5","FB","78","26","C4","9A","65","3B","D9","87","04","5A","B8","E6","A7","F9","1B","45","C6","98","7A","24","F8","A6","44","1A","99","C7","25","7B","3A","64","86","D8","5B","05","E7","B9","8C","D2","30","6E","ED","B3","51","0F","4E","10","F2","AC","2F","71","93","CD","11","4F","AD","F3","70","2E","CC","92","D3","8D","6F","31","B2","EC","0E","50","AF","F1","13","4D","CE","90","72","2C","6D","33","D1","8F","0C","52","B0","EE","32","6C","8E","D0","53","0D","EF","B1","F0","AE","4C","12","91","CF","2D","73","CA","94","76","28","AB","F5","17","49","08","56","B4","EA","69","37","D5","8B","57","09","EB","B5","36","68","8A","D4","95","CB","29","77","F4","AA","48","16","E9","B7","55","0B","88","D6","34","6A","2B","75","97","C9","4A","14","F6","A8","74","2A","C8","96","15","4B","A9","F7","B6","E8","0A","54","D7","89","6B","35"];
        var bcc = "FF";
        for (var i = 1; i < dbx.length; i++ ) {
            var dbx1 = parseInt(dbx[i],16);
            var bcc1 = parseInt(bcc,16);
            var bcc = ccit[(bcc1^dbx1)-1];
        }
        return bcc;
    };

    self.sendCommand = function (command) {
        CF.send("Moxa_ZonePro", command + "\n");
    };

    // Only allow logging calls when CF is in debug mode - better performance in release mode this way
    self.log = function(msg) {
        if (CF.debug && self.debug) {
            CF.log("ZonePro: " + msg);
        }
    };

    return self;
};

CF.modules.push({
    name: "DBX ZonePro",
    object: ZonePro,
    version: 1.0
});