#include <windows.h>
#include <iostream>
#include <ctime>

class AI {
	public:
		AI() {}
		~AI() {}

		int choice() { return (((rand() & (RAND_MAX - RAND_MIN))) + RAND_MIN)); }

		void checkMoves(int usrChoice) {
			switch (usrChoice) {
				case 1:
					if (choice() == 1)
						cout << "Computer chooses rock.\r\nDraw." << endl;
					else if (choice() == 2)
						cout << "Computer choose paper.\r\nYou lose." << endl;
					else if (choice() == 3)
						cout << "Computer chooses scissors.\r\nYou win." << endl;
				break;

				case 2:
					if (choice() == 1)
						cout << "Computer chooses rock.\r\nYou win." << endl;
					else if (choice() == 2)
						cout << "Computer choose paper.\r\nDraw." << endl;
					else if (choice() == 3)
						cout << "Computer chooses scissors.\r\nYou lose." << endl;
				break;

				case 3:
					if (choice() == 1)
						cout << "Computer chooses rock.\r\nYou lose." << endl;
					else if (choice() == 2)
						cout << "Computer choose paper.\r\nYou win." << endl;
					else if (choice() == 3)
						cout << "Computer chooses scissors.\r\nDraw." << endl;
				break;

				default:
					cout << "Error: " << choice() << endl;
				break;
			}

			Sleep(500);
			system("cls");
		}
};

void game(AI ai);

int main() {
	SetConsoleTitle("Rock Paper Scissors");
	AI ai;
	game(ai);
}

void game(AI ai) {
	int usrChoice(0);

	while (usrChoice != 0) {
		srand(time(0));

		cout << "Available moves:\r\n1.) Rock\r\n2.) Paper\r\n3.) Scissors\r\n0.) Exit\r\nYour choice: "
		cin >> usrChoice;

		ai.checkMoves(usrChoice);
	}
}