import 'dart:io';

void main() {
  bool lightOn = false;
  bool acOn = false;

  while (true) {
    print('\n===== Smart Home Control =====');
    print('1. Turn ON Light');
    print('2. Turn OFF Light');
    print('3. Turn ON AC');
    print('4. Turn OFF AC');
    print('5. Show Status');
    print('6. Exit');
    stdout.write('Choose an option: ');

    String? choice = stdin.readLineSync();

    switch (choice) {
      case '1':
        lightOn = true;
        print('Light is ON 💡');
        break;

      case '2':
        lightOn = false;
        print('Light is OFF');
        break;

      case '3':
        acOn = true;
        print('AC is ON ❄️');
        break;

      case '4':
        acOn = false;
        print('AC is OFF');
        break;

      case '5':
        print('\n--- Current Status ---');
        print('Light: ${lightOn ? "ON" : "OFF"}');
        print('AC: ${acOn ? "ON" : "OFF"}');
        break;

      case '6':
        print('Exiting Smart Home System...');
        return;

      default:
        print('Invalid choice, try again.');
    }
  }
}