#!/usr/bin/env python3

import sys, os, argparse
import mod_globals

os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))

import mod_elm

parser = argparse.ArgumentParser(
  version="bus_playback Version 0.1",
  description = "bus_playback - playing back logs written by bus_monitor.py"
)

parser.add_argument('-p',
  help="ELM327 com port name (or BT mac addr e.g 24:42:16:08:00:00)",
  dest="port",
  default="")

parser.add_argument("-r",
  help="com port rate during diagnostic session {38400[default],57600,115200,230400,500000}",
  dest="rate",
  default="38400",)

parser.add_argument("--log",
  help="log file name",
  dest="logfile",
  default="")

parser.add_argument(
  'log',
  help='the log file name to be played back')

options = parser.parse_args()

if not options.port and mod_globals.os != 'android':
  parser.print_help()

  try:
    from serial.tools import list_ports
  except ImportError as e:
    print("WARNING:", e, file=sys.stderr)
    exit(-1)

  print("\nAvailable COM ports:")
  for port, desc, hwid in sorted(list(list_ports.comports())):
    print("%-30s \n\tdesc: %s \n\thwid: %s" % (port, desc, hwid))
  print("")

  exit(2)

mod_globals.opt_port      = options.port
mod_globals.opt_rate      = int(options.rate)
mod_globals.opt_log       = options.logfile

try:
  playbackfile = open(options.log)
except IOError as e:
  print("ERROR:", e, file=sys.stderr)
  exit(2)

print('Opening ELM')
elm = mod_elm.ELM(mod_globals.opt_port, mod_globals.opt_speed, mod_globals.opt_log )

if mod_globals.opt_speed < mod_globals.opt_rate:
  elm.port.soft_boudrate( mod_globals.opt_rate)

print('Init    ELM')
print(elm.cmd("at z"))
#print elm.cmd("at ws")

print(elm.cmd("at d1"))
print(elm.cmd("at h1"))
print(elm.cmd("at al"))
print(elm.cmd("at at 0"))
print(elm.cmd("at st 10"))
print(elm.cmd("at r 0"))

print(elm.cmd("at cea"))
print(elm.cmd("at sp 6"))
print(elm.cmd("at al"))
print(elm.cmd("at caf 0"))
print(elm.cmd("at v1"))
print(elm.cmd("at bi"))

print('Playing data back...')
for n, line in enumerate(open(options.log)):
  t, _, addr, len, data = line.split(None,4)
  data = data.split(None, 8)
  print(elm.cmd("at sh %s" % addr))
  print(elm.cmd(''.join(data[:8])))

playbackfile.close()