"""A python app to (automatically) tag comic archives"""

# Copyright 2012-2014 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 traceback
import platform
#import os

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

import utils
import cli
from settings import ComicTaggerSettings
from options import Options
from comicvinetalker import ComicVineTalker


def ctmain():
    utils.fix_output_encoding()
    settings = ComicTaggerSettings()

    opts = Options()
    opts.parseCmdLineArgs()

    # manage the CV API key
    if opts.cv_api_key:
        if opts.cv_api_key != settings.cv_api_key:
            settings.cv_api_key = opts.cv_api_key
            #settings.save()
    if opts.only_set_key:
        print("Key set")
        return

    ComicVineTalker.api_key = settings.cv_api_key

    signal.signal(signal.SIGINT, signal.SIG_DFL)

    if not qt_available and not opts.no_gui:
        opts.no_gui = True
        print >> sys.stderr, "PyQt4 is not available.  ComicTagger is limited to command-line mode."

    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, opts=opts)
            tagger_window.show()

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

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