#!/usr/bin/python
"""
A python script to tag comic archives
"""

"""
Copyright 2012  Anthony Beville

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""

import sys
import signal
import os
import traceback
import platform
import locale
import codecs

from comictagger import utils
from comictagger import cli
from comictagger.settings import ComicTaggerSettings
from comictagger.options import Options

try:
	qt_available = True
	from PyQt4 import QtCore, QtGui
	from comictagger.taggerwindow import TaggerWindow
except ImportError as e:
	qt_available = False
#---------------------------------------

def main():
	# try to make stdout encodings happy for unicode
	if platform.system() == "Darwin":
		preferred_encoding = "utf-8"
	else:
		preferred_encoding = locale.getpreferredencoding()
	sys.stdout = codecs.getwriter(preferred_encoding)(sys.stdout)
	sys.stderr = codecs.getwriter(preferred_encoding)(sys.stderr)

	opts = Options()
	opts.parseCmdLineArgs()

	settings = ComicTaggerSettings()
	# make sure unrar program is in the path for the UnRAR class
	utils.addtopath(os.path.dirname(settings.unrar_exe_path))
	
	signal.signal(signal.SIGINT, signal.SIG_DFL)
	
	if not qt_available and not opts.no_gui:
		opts.no_gui = True
		print >> sys.stderr, "QT is not available."
	
	if opts.no_gui:
		cli.cli_mode( opts, settings )
	else:
		app = QtGui.QApplication(sys.argv)
		
		if platform.system() != "Linux":
			img =  QtGui.QPixmap(ComicTaggerSettings.getGraphic('tags.png'))
			
			splash = QtGui.QSplashScreen(img)
			splash.show()
			splash.raise_()
			app.processEvents()
	
		try:			
			tagger_window = TaggerWindow( opts.file_list, settings )
			tagger_window.show()

			if platform.system() != "Linux":
				splash.finish( tagger_window )

			sys.exit(app.exec_())
		except Exception, e:
			QtGui.QMessageBox.critical(QtGui.QMainWindow(), "Error", "Unhandled exception in app:\n" + traceback.format_exc() )
			
			
if __name__ == "__main__":
	main()