import os
import sys
import datetime
import qdarktheme
from PySide6.QtWidgets import QApplication, QStyleFactory
from PySide6.QtGui import QFont

import gui.mainwindow
from gui.startup import get_missing_display_error

if __name__ == '__main__':
    display_error = get_missing_display_error()
    if display_error:
        print(display_error, file=sys.stderr)
        sys.exit(1)

    # Write console outputs to log file.
    __stderr__ = sys.stderr
    date_time = datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S')
    folder = os.path.exists('log')
    if not folder: 
        os.makedirs('log')
    sys.stderr = open(f'log/log {date_time}.txt', 'w')
    
    app = QApplication(sys.argv)
    app.setApplicationName("Audio Slicer")
    app.setApplicationDisplayName("Audio Slicer")
    
    # Apply auto dark theme.
    qdarktheme.setup_theme(theme="auto")

    # Auto dark title bar on Windows 10/11
    style = QStyleFactory.create("fusion")
    app.setStyle(style)

    font = QFont()
    # font.setPixelSize(12)
    font.setHintingPreference(QFont.PreferNoHinting)
    app.setFont(font)

    window = gui.mainwindow.MainWindow()
    window.show()

    sys.exit(app.exec())