"""Entry: `python -m voice_confirmation_client` or `voice-confirmation-client`."""

from __future__ import annotations

import signal
import sys


def main() -> None:
    from PySide6.QtCore import QTimer
    from PySide6.QtWidgets import QApplication

    from voice_confirmation_client.gui.main_window import MainWindow

    app = QApplication(sys.argv)
    win = MainWindow()
    win.show()

    app.aboutToQuit.connect(win.shutdown)

    # Qt 事件循环长时间跑在 native 代码里时，Python 无法处理 SIGINT；定时器让解释器周期性醒来。
    _pulse = QTimer()
    _pulse.timeout.connect(lambda: None)
    _pulse.start(200)

    def _on_sigint(_signum: int, _frame: object | None) -> None:
        app.quit()

    signal.signal(signal.SIGINT, _on_sigint)

    raise SystemExit(app.exec())


if __name__ == "__main__":
    main()