# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
import logging
# This is only needed for Python v2 but is harmless for Python v3.
import sip
sip.setapi('QVariant', 2)
from PyQt4.QtGui import (QApplication, QSystemTrayIcon, QMessageBox)

from leap.baseapp.mainwindow import LeapWindow
from leap.baseapp import unitychecks


def main():
    """
    launches the main event loop
    long live to the (hidden) leap window!
    """
    import sys
    from leap.util import leap_argparse
    parser, opts = leap_argparse.init_leapc_args()
    debug = getattr(opts, 'debug', False)

    # XXX get severity from command line args
    if debug:
        level = logging.DEBUG
    else:
        level = logging.WARNING

    logger = logging.getLogger(name='leap')
    logger.setLevel(level)
    console = logging.StreamHandler()
    console.setLevel(level)
    formatter = logging.Formatter(
        '%(asctime)s '
        '- %(name)s - %(levelname)s - %(message)s')
    console.setFormatter(formatter)
    logger.addHandler(console)

    logfile = getattr(opts, 'log_file', False)
    if logfile:
        logger.debug('setting logfile to %s ', logfile)
        fileh = logging.FileHandler(logfile)
        fileh.setLevel(logging.DEBUG)
        fileh.setFormatter(formatter)
        logger.addHandler(fileh)

    logger.debug('args: %s' % opts)
    logger.info('Starting app')

    app = QApplication(sys.argv)
    unitychecks.do_check()

    if not QSystemTrayIcon.isSystemTrayAvailable():
        QMessageBox.critical(None, "Systray",
                             "I couldn't detect"
                             "any system tray on this system.")
        sys.exit(1)
    if not debug:
        QApplication.setQuitOnLastWindowClosed(False)

    window = LeapWindow(opts)
    window.show()
    sys.exit(app.exec_())

if __name__ == "__main__":
    main()