"""
Main application
Copyright (C) 2023  Benjamin Burkhardt

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
"""

import sys
from PySide6.QtWidgets import QApplication
from PySide6.QtCore import QFile, QIODevice
from PySide6.QtUiTools import QUiLoader
from utils import Logger


if __name__ == "__main__":
    # needed variables
    app = QApplication(sys.argv)
    logger = Logger()
    ui_file_name = "main.ui"

    # create the window
    ui_file = QFile(ui_file_name)
    if not ui_file.open(QIODevice.ReadOnly):
        logger.log(f"Cannot open {ui_file_name}: {ui_file.errorString()}. Exiting.", 1)
        sys.exit(-1)
    window = QUiLoader().load(ui_file)
    ui_file.close()
    if not window:
        logger.log(loader.errorString(), 1)
        sys.exit(-1)
    window.show()

    # run as long as the app is executing
    sys.exit(app.exec())