#!/usr/bin/env python3
"""DaemonControl - System Tray Mode.

Usage:
    python start_tray.py

Starts DaemonControl with system tray icon.
Daemon runs in background, controllable via tray menu.

The tray icon provides a convenient way to:
- Start/stop the daemon
- Reload job configurations
- Access logs quickly
- Monitor daemon status
"""

import sys

from PyQt6.QtWidgets import QApplication, QSystemTrayIcon


def check_system_tray_available() -> bool:
    """Check if system tray is available.

    Returns:
        True if system tray is supported, False otherwise
    """
    if not QSystemTrayIcon.isSystemTrayAvailable():
        print("=" * 70)
        print("ERROR: System Tray Not Available")
        print("=" * 70)
        print()
        print("Your desktop environment does not support system tray icons.")
        print()
        print("Possible solutions:")
        print("  1. Install AppIndicator extension (GNOME)")
        print("  2. Use KDE Plasma, XFCE, or Cinnamon desktop")
        print("  3. Use foreground mode instead:")
        print("     python3 start_daemon.py")
        print()
        return False

    return True


def main():
    """Main entry point for tray application."""

    # Create QApplication first (needed for system tray check)
    app = QApplication(sys.argv)

    # Check if system tray is available
    if not check_system_tray_available():
        sys.exit(1)

    # Import after Qt app is created
    from gui import SystemTrayApp

    # Important: Keep app running even when no windows are open
    app.setQuitOnLastWindowClosed(False)

    print("=" * 70)
    print("  DaemonControl - System Tray Mode")
    print("=" * 70)
    print()
    print("System tray icon started successfully")
    print()
    print("Look for the DaemonControl icon in your system tray.")
    print("Right-click the icon to see the menu.")
    print()
    print("Menu options:")
    print("  • Start Daemon   - Start background daemon")
    print("  • Stop Daemon    - Stop daemon gracefully")
    print("  • Reload Jobs    - Reload job configurations")
    print("  • Open Logs      - Open logs folder")
    print("  • Exit           - Close tray and stop daemon")
    print()
    print("Press Ctrl+C here or use 'Exit' from menu to quit")
    print()

    # Create and show system tray
    tray_app = SystemTrayApp()
    tray_app.show()

    # Run application event loop
    sys.exit(app.exec())


if __name__ == '__main__':
    try:
        main()
    except KeyboardInterrupt:
        print("\nShutdown requested by user")
        sys.exit(0)
    except Exception as e:
        print(f"\nERROR: {e}")
        import traceback
        traceback.print_exc()
        sys.exit(1)