import argparse
import serial
import otime
from rich import inspect
def main():
    global package_n
    package_n = 0
    argparser = argparse.ArgumentParser(
        description=("Acts as a live mtr reading data line by line from a log file and sending them over serial"))
    argparser.add_argument('port', help='Serial port identifier')
    argparser.add_argument(
            '-f', '--file',
            help=(
                "Mtr log file to use"))
    argparser.add_argument(
            '-v', '--verbose', action='store_true', help='Verbose output')
    args = argparser.parse_args()

    port = serial.Serial(port=args.port, baudrate=9600)
    event = otime.event(0, 'NoName')
    event.import_mtr_file(args.file)

    for card in event.card_punches:
        input('Press enter to send next card')
        if args.verbose == True:
            inspect(card)
        data = card_to_bytes(card)
        port.write(data)

def card_to_bytes(card):
    global package_n
    package_n += 1
    msg = b'\xFF\xFF\xFF\xFF\xE6\x4D\x9C\x3E'
    year = int(str(card.read_time.year)[2:4])
    month = card.read_time.month
    day = card.read_time.day
    hour = card.read_time.hour
    minute = card.read_time.minute
    second = card.read_time.second
    msg += year.to_bytes(1, byteorder='little')
    msg += month.to_bytes(1, byteorder='little')
    msg += day.to_bytes(1, byteorder='little')
    msg += hour.to_bytes(1, byteorder='little')
    msg += minute.to_bytes(1, byteorder='little')
    msg += second.to_bytes(1, byteorder='little')
    #ms
    msg += b'\x00\x00'

    msg += package_n.to_bytes(4, byteorder='little')
    msg += card.card.to_bytes(3, byteorder='little')

    # Gidder ikke å finne ut hva Producweek Producyear er
    msg += b'\x00\x00'

    # Hopper overogså over ECardHeadSum
    msg += b'\x00'

    for n in range(50):
        try:
            control = card.controls[n]
            split = card.splits[n]
        except:
            control = 0
            split = 0
        msg += control.to_bytes(1, byteorder='little')
        msg += split.to_bytes(2, byteorder='little')
    # 56 byte string
    msg += int(0).to_bytes(56, byteorder='little')
    # Checksum
    csum = sum(msg) % 256
    msg += csum.to_bytes(1, byteorder='little')
    msg += b'\x00'
    return msg

if __name__ == '__main__':
    main()