"""Application entry point for Development Hub."""

import signal
import sys

from PySide6.QtCore import QTimer
from PySide6.QtWidgets import QApplication

from development_hub.main_window import MainWindow
from development_hub.settings import Settings
from development_hub.dialogs import SetupWizardDialog
from development_hub.styles import DARK_THEME


class DevelopmentHubApp(QApplication):
    """Main application class for Development Hub."""

    def __init__(self, argv: list[str]):
        super().__init__(argv)
        self.setApplicationName("Development Hub")
        self.setApplicationVersion("0.1.0")
        self.setStyle("Fusion")  # Consistent cross-platform style
        self.setStyleSheet(DARK_THEME)


def main() -> int:
    """Run the Development Hub application.

    Returns:
        Exit code (0 for success).
    """
    app = DevelopmentHubApp(sys.argv)

    # Check for first-run setup
    settings = Settings()
    if not settings.get("setup_completed", False):
        wizard = SetupWizardDialog()
        wizard.exec()

    window = MainWindow()

    # Handle Ctrl+C gracefully
    def handle_sigint(*args):
        """Handle SIGINT by closing the main window gracefully."""
        window.close()

    signal.signal(signal.SIGINT, handle_sigint)

    # Timer to allow Python to process signals (Qt blocks them otherwise)
    timer = QTimer()
    timer.timeout.connect(lambda: None)
    timer.start(100)

    window.show()
    return app.exec()


if __name__ == "__main__":
    sys.exit(main())