loadAPI(1);

host.defineController("Cakewalk", "A-300 PRO", "1.0", "e504e660-2b27-11e4-8c21-0800200c9a66");
host.defineMidiPorts(1, 1);
host.addDeviceNameBasedDiscoveryPair(["A-PRO 1"], ["A-PRO"]);

// CC 0 and CCs 120+ are reserved
var LOWEST_CC = 1;
var HIGHEST_CC = 119;

// Two array-variables to hold the values of all the CCs and to check if they have changed
var ccValue = initArray(0, ((HIGHEST_CC - LOWEST_CC + 1)*16));
var ccValueOld = initArray(0, ((HIGHEST_CC - LOWEST_CC + 1)*16));


var _stop     = 25;
var _play     = 26;
var _record   = 28;



// A function to create an indexed function for the Observers
function getValueObserverFunc(index, varToStore)
{
    return function(value)
    {
        varToStore[index] = value;
    }
}

function init()
{
    transport = host.createTransport();

    // Create 16 NoteInputs + Omni.
    // Verbose to allow commenting out unneeded channels
    // To do so, put "//" in front of the lines containing channels you don't want to use
    // Be sure to do it for the "createNoteInput" lines as well as the corresponding
    // "setShouldConsumeEvents" and "assignPolyphonicAftertouchToExpression" lines below
    MultiBi   = host.getMidiInPort(0).createNoteInput("MultiBi - Omni", "??????");
    MultiBi1  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 1", "?0????");
    MultiBi2  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 2", "?1????");
    MultiBi3  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 3", "?2????");
    MultiBi4  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 4", "?3????");
    MultiBi5  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 5", "?4????");
    MultiBi6  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 6", "?5????");
    MultiBi7  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 7", "?6????");
    MultiBi8  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 8", "?7????");
    MultiBi9  = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 9", "?8????");
    MultiBi10 = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 10", "?9????");
    MultiBi11 = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 11", "?A????");
    MultiBi12 = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 12", "?B????");
    MultiBi13 = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 13", "?C????");
    MultiBi14 = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 14", "?D????");
    MultiBi15 = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 15", "?E????");
    MultiBi16 = host.getMidiInPort(0).createNoteInput("MultiBi - Ch 16", "?F????");

    // Disable the consuming of events by the NoteInputs, so they are also available for mapping
    MultiBi.setShouldConsumeEvents(false);
    MultiBi1.setShouldConsumeEvents(false);
    MultiBi2.setShouldConsumeEvents(false);
    MultiBi3.setShouldConsumeEvents(false);
    MultiBi4.setShouldConsumeEvents(false);
    MultiBi5.setShouldConsumeEvents(false);
    MultiBi6.setShouldConsumeEvents(false);
    MultiBi7.setShouldConsumeEvents(false);
    MultiBi8.setShouldConsumeEvents(false);
    MultiBi9.setShouldConsumeEvents(false);
    MultiBi10.setShouldConsumeEvents(false);
    MultiBi11.setShouldConsumeEvents(false);
    MultiBi12.setShouldConsumeEvents(false);
    MultiBi13.setShouldConsumeEvents(false);
    MultiBi14.setShouldConsumeEvents(false);
    MultiBi15.setShouldConsumeEvents(false);
    MultiBi16.setShouldConsumeEvents(false);

    // Enable Poly AT translation into Timbre for the internal BWS instruments
    MultiBi.assignPolyphonicAftertouchToExpression(0,   NoteExpression.TIMBRE_UP, 5);
    MultiBi1.assignPolyphonicAftertouchToExpression(0,   NoteExpression.TIMBRE_UP, 5);
    MultiBi2.assignPolyphonicAftertouchToExpression(1,   NoteExpression.TIMBRE_UP, 5);
    MultiBi3.assignPolyphonicAftertouchToExpression(2,   NoteExpression.TIMBRE_UP, 5);
    MultiBi4.assignPolyphonicAftertouchToExpression(3,   NoteExpression.TIMBRE_UP, 5);
    MultiBi5.assignPolyphonicAftertouchToExpression(4,   NoteExpression.TIMBRE_UP, 5);
    MultiBi6.assignPolyphonicAftertouchToExpression(5,   NoteExpression.TIMBRE_UP, 5);
    MultiBi7.assignPolyphonicAftertouchToExpression(6,   NoteExpression.TIMBRE_UP, 5);
    MultiBi8.assignPolyphonicAftertouchToExpression(7,   NoteExpression.TIMBRE_UP, 5);
    MultiBi9.assignPolyphonicAftertouchToExpression(8,   NoteExpression.TIMBRE_UP, 5);
    MultiBi10.assignPolyphonicAftertouchToExpression(9,  NoteExpression.TIMBRE_UP, 5);
    MultiBi11.assignPolyphonicAftertouchToExpression(10, NoteExpression.TIMBRE_UP, 5);
    MultiBi12.assignPolyphonicAftertouchToExpression(11, NoteExpression.TIMBRE_UP, 5);
    MultiBi13.assignPolyphonicAftertouchToExpression(12, NoteExpression.TIMBRE_UP, 5);
    MultiBi14.assignPolyphonicAftertouchToExpression(13, NoteExpression.TIMBRE_UP, 5);
    MultiBi15.assignPolyphonicAftertouchToExpression(14, NoteExpression.TIMBRE_UP, 5);
    MultiBi16.assignPolyphonicAftertouchToExpression(15, NoteExpression.TIMBRE_UP, 5);

    // Enable Midi Beat Clock. Comment out if you don't want that
    host.getMidiOutPort(0).setShouldSendMidiBeatClock;

    // Setting Callbacks for Midi and Sysex
    host.getMidiInPort(0).setMidiCallback(onMidi);
    host.getMidiInPort(0).setSysexCallback(onSysex);

    // Make CCs 1-119 freely mappable for all 16 Channels
    userControls = host.createUserControls((HIGHEST_CC - LOWEST_CC + 1)*16);

    for(var i=LOWEST_CC; i<=HIGHEST_CC; i++)
    {
        for (var j=1; j<=16; j++) {
            // Create the index variable c
            var c = i - LOWEST_CC + (j-1) * (HIGHEST_CC-LOWEST_CC+1);
            // Set a label/name for each userControl
            userControls.getControl(c).setLabel("CC " + i + " - Channel " + j);
            // Add a ValueObserver for each userControl
            userControls.getControl(c).addValueObserver(127, getValueObserverFunc(c, ccValue));
        }
    }
}

// Updates the controller in an orderly manner when needed
// so that LEDs, Motors etc. react to changes in the Software
// without drowning the Controller with data
function flush()
{
    for(var i=LOWEST_CC; i<=HIGHEST_CC; i++)
    {
        for (var j=1; j<=16; j++) {
            var c = i - LOWEST_CC + (j-1) * (HIGHEST_CC-LOWEST_CC+1);
            // Check if something has changed
            if (ccValue[c] != ccValueOld[c]) {
                // If yes, send the updated value
                sendChannelController(j-1, i, ccValue[c]);
                // And update the value for the next check
                ccValueOld[c] = ccValue[c];
            }
        }
    }
}


function exit()
{
    // nothing to do here ;-)
}


// Update the UserControls when Midi Data is received
function onMidi(status, data1, data2)
{
    var pressed = (value>=64);
    printMidi(status, data1, data2);

    if (isChannelController(status))
    {var control = find_control(ctrl,chan);
        switch (control) {

            case _stop:
                if (pressed) transport.stop();
                break;

            case _play:
                if (pressed) transport.play();
                break;

            case _record:
                if (pressed) transport.record();
                break;
        }
        if (data1 >= LOWEST_CC && data1 <= HIGHEST_CC)
        {
            var index = data1 - LOWEST_CC + ((HIGHEST_CC-LOWEST_CC+1) * MIDIChannel(status));
            userControls.getControl(index).set(data2, 128);
        }

}

}
function onSysex(data)
{
    //printSysex(data);
}