#!/usr/bin/python
from __future__ import print_function

import argparse
import yaml
import sys
from PySide import QtGui, QtCore

from music import MusicBox
from question import Questions, QuestionException
from gamestate import GameState
from game import SeopardyGame
from config import check_config
from buttonreader import get_input, InputException

def _parser():
	parser = argparse.ArgumentParser(description="Sebas jeopardy/beopardy clone")
	parser.add_argument("--gamestate", action="store", default=None, help="Gamestate to load to recover a crashed game")
	parser.add_argument("--conf", action="store", default="seopardy.conf", help="Path to config file")
	parser.add_argument("--no-cwd", action="store_true", default=False, help="Do not change working directory to question folder")
	parser.add_argument("-v", "--verbose", action="store_true", default=False, help="Be more verbose, print filenames of missing files")
	parser.add_argument("questions", action="store", help="Path to questionfile")

	return parser

if __name__ == '__main__':
	parser = _parser()
	args = parser.parse_args()

	questions = None
	try:
		questions = Questions(args.questions, appendPath=not args.no_cwd, verbose=args.verbose)
	except QuestionException as e:
		print(str(e), file=sys.stderr)
		sys.exit(1)

	# start gui
	app = QtGui.QApplication([sys.argv[0]])
	QtCore.QCoreApplication.setApplicationName("Seopardy")

	# check and load config file
	config = None
	try:
		config = yaml.safe_load(open(args.conf))
	except IOError as e:
		print("Error: Could not load config: %s" % (str(e),), file=sys.stderr)
		sys.exit(1)
	except yaml.scanner.ScannerError as e:
		print("Error: Could not parse config file: %s" % (str(e),), file=sys.stderr)
		sys.exit(1)

	check_config(config)

	# create or load gamestate
	gamestate = None
	if args.gamestate:
		sstream = None
		try:
			sstream = open(args.gamestate, "r")
		except IOError as e:
			print("Error: Could not load gamestate: %s" % (str(e),), file=sys.stderr)
			sys.exit(1)
		gamestate = GameState.load(sstream, config["savedir"])
	else:
		gamestate = GameState(config["savedir"])

	# init music box
	MusicBox.init()
	for name, path in config["music"].iteritems():
		if path:
			if not MusicBox.add_music(name, path):
				print("Error: Could not load music %s (file %s)" % (name, path), file=sys.stderr)
				sys.exit(1)

	# create and start input threads
	inputs = []
	if config["playerInput"] is not None:
		for playerInput in config["playerInput"]:
			args = playerInput.get("Args", [])
			if args is None:
				args = []

			try:
				inp = get_input(playerInput["Type"], args, app)
				inputs.append(inp)
			except InputException as e:
				print("Error: %s" % e, file=sys.stderr)
				sys.exit(1)

			inputs[-1].start()

	# create board
	board = SeopardyGame(questions, gamestate, inputs)
	board.show()
	app.exec_()
	sys.exit()