SmartHomeSystem.cpp

#include <iostream>
#include <string>
using namespace std;

int main () {
	int select1, fanstatus=0, pin, userpin=1111; //1-on 2-off
	
	
	while (true) { 
		cout << "*********Smart Home Control System*********" << endl;
		int i = 0;
		while (pin!=userpin) {
			cout << "Enter your pin.";
			cin >> pin;
			if (pin!=userpin) {
				i++;
				if (i<3) {
					cout << "Wrong Pin Entered. Please Try Again." << endl;	
				} else {
					cout << "Wrong Pin entered too many times. Try again after a while." << endl;
					return 0;					
				}			
			}
		}
		
		cout << "Select the appropriate option." << endl;
		cout << "1. Fan." << endl;
		cin >> select1;
		
		switch (select1) {
			case 1:
				if (fanstatus == 1) {
					cout << "Press 0 to turn off the Fan." << endl;
					cin >> fanstatus;
					if (fanstatus == 0) {
						cout << "Fan turn off successfully" << endl;
					} else {
						cout << "Invalid input" << endl;
					}
				} else {
					cout << "Press 1 to turn on the Fan." << endl;
					cin >> fanstatus;
					if (fanstatus == 1) {
						cout << "Fan turn on successfully" << endl;
					} else {
						cout << "Invalid input" << endl;
					}
				}
				break;
			case 2:
				cout << "Thank you for using ALHABIB ATM." << endl;
				return 0;
		}																										// switch ends
	}																											// while ends
	return 0;
}