"""Application entry point for the PyQt-based laser-control GUI."""

from __future__ import annotations

import os
import sys

from PyQt6.QtWidgets import QApplication
import pyqtgraph as pg

from .theme import apply_theme
from .window import MainWindow


def main() -> int:
    """Run the GUI event loop."""
    os.environ.setdefault("PYQTGRAPH_QT_LIB", "PyQt6")

    app = QApplication(sys.argv)
    pg.setConfigOptions(antialias=True, background="#0f1720", foreground="#dce6f2")
    apply_theme(app)

    window = MainWindow(auto_connect=True)
    screen = app.primaryScreen()
    if screen is not None:
        window.setGeometry(screen.availableGeometry())
    window.show()
    return app.exec()


if __name__ == "__main__":
    raise SystemExit(main())