#!/usr/bin/env python3

import sys, getopt
import time
import threading

from mido import MidiFile
import serial

def serialreceive(ser):
  print("Serial running")
  while True:
    try:
      line = ser.readline().decode()
      print(line)
    except Exception:
      pass


def main(argv):
  inputfile = ''
  outputport = ''
  try:
    opts, args = getopt.getopt(argv, "hi:o:",["ifile=","oport="])
  except getopt.GetoptError:
    print('send.py -i <inputfile> -o <outputport>')
    sys.exit(2)
  for opt, arg in opts:
    if opt == '-h':
      print('send.py -i <inputfile> -o <outputport>')
      sys.exit()
    elif opt in ("-i", "--ifile"):
      inputfile = arg
    elif opt in ("-o", "--oport"):
      outputport = arg
  with serial.Serial(outputport, 115200, timeout=12) as ser:
    receivethread = threading.Thread(target=serialreceive, args=(ser,))
    receivethread.start()
    with MidiFile(inputfile) as mid:
      for msg in mid:
        time.sleep(msg.time)
        if not msg.is_meta:
          if msg.type == 'note_on' or msg.type == 'note_off':
            print(msg)
            ser.write(msg.bin())
          else:
            print("not sent: " + str(msg))
        #time.sleep(1000)

if __name__ == "__main__":
  main(sys.argv[1:])