miditable = {}
for i=0,256 do
    miditable[i] = 0
end

-- menu entries
renoise.tool():add_menu_entry {
  name = "Main Menu:Tools:mytool:start",
  invoke = function() start() end
}

renoise.tool():add_menu_entry {
  name = "Main Menu:Tools:mytool:stop",
  invoke = function() stop() end
}

-- create some handy shortcuts
local OscMessage = renoise.Osc.Message
local OscBundle = renoise.Osc.Bundle

-- open a socket connection to the server
local client, socket_error = renoise.Socket.create_client(
  "localhost", 8000, renoise.Socket.PROTOCOL_UDP)

if (socket_error) then
  renoise.app():show_warning(("Failed to start the " ..
    "OSC client. Error: '%s'"):format(socket_error))
  return
end

running = 0
randval = 0

function start ()
    running = 1
    myfunc()
end

function stop ()
    running = 0
end

function map (val,startin,endin,startout,endout)
    return (val - startin) * (endout - startout) / (endin - startin) + startout;
end

-- renoise.song().instruments[].samples[].transpose, _observable -- [number, -120 - 120]

function myfunc ()

  randval = math.random(-1,7)

  client:send(
    OscMessage(
      "/renoise/trigger/note_on",{
      {tag="i",value=randval},
      {tag="i",value=randval+1},
      {tag="i",value=math.random(119)},
      {tag="i",value=100}
      }
    )
  )
  mytimer()
end

function mytimer ()
  if (renoise.tool():has_timer(myfunc)) then
    renoise.tool():remove_timer(myfunc)
  end
  if(running == 1) then
        renoise.tool():add_timer(myfunc, math.random(100))
    end
    -- print(map(miditable[0],0,127,100,1000))
    -- print(miditable[0])
end

rprint(renoise.Midi.available_input_devices())

local inputs = renoise.Midi.available_input_devices()
local midi_device = nil

if not table.is_empty(inputs) then
  local device_name = inputs[5]

  local function midi_callback(message)
    assert(#message == 3)
    assert(message[1] >= 0 and message[1] <= 0xff)
    assert(message[2] >= 0 and message[2] <= 0xff)
    assert(message[3] >= 0 and message[3] <= 0xff)

    miditable[message[2]] = message[3]

    -- rprint(miditable)

    print(("%s: got MIDI %X %X %X"):format(device_name, message[1], message[2], message[3]))
  end

  -- note: sysex callback would be a optional 2nd arg...
  midi_device = renoise.Midi.create_input_device(
    device_name, midi_callback)

  -- stop dumping with 'midi_device:close()' ...
end