import sys
import queue
import threading
import logging

from PyQt6.QtWidgets import QApplication
from PyQt6.QtCore import QTimer

from config.config_manager import ConfigManager
from core.switcher import MonitorSwitcher
from core.device_watcher import DeviceWatcher
from core.hotkey_manager import HotkeyManager
from ui.tray import TrayApp

logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s %(name)s %(levelname)s %(message)s",
)


def main() -> None:
    app = QApplication(sys.argv)
    app.setQuitOnLastWindowClosed(False)

    config = ConfigManager()
    switcher = MonitorSwitcher(config)
    watcher = DeviceWatcher(config, switcher)
    hotkeys = HotkeyManager(config, switcher)

    settings_queue: queue.Queue = queue.Queue()
    tray = TrayApp(config, switcher, settings_queue)

    watcher.start()
    hotkeys.register_all()

    tray_thread = threading.Thread(
        target=tray.run_tray, daemon=True, name="TrayThread"
    )
    tray_thread.start()

    settings_window = None

    def process_queue() -> None:
        nonlocal settings_window
        while not settings_queue.empty():
            cmd = settings_queue.get_nowait()
            if cmd == "open_settings":
                from ui.settings_window import SettingsWindow
                if settings_window is None or not settings_window.isVisible():
                    settings_window = SettingsWindow(config, switcher, hotkeys)
                settings_window.show()
                settings_window.raise_()
                settings_window.activateWindow()
            elif cmd == "exit":
                hotkeys.unregister_all()
                watcher.stop()
                app.quit()

    timer = QTimer()
    timer.timeout.connect(process_queue)
    timer.start(100)

    sys.exit(app.exec())


if __name__ == "__main__":
    main()