// Add necessary includes

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

// This is a simple game of "Rock, Paper, Scissors"
// It is also my first project ever in C++.

int playAgain() {
	string playAgain;
	cout << "Play again ? Type 'y' for yes and 'n' for no\n" << endl;
	cin >> playAgain;
	if (playAgain == "y") {
		playGame();
	}
	else {
		system("PAUSE");
		return 0;
	}
}

void playGame() {
	// Let the user choose rock, paper or scissors
	string userChoice;
	cout << "\n\nDo you choose 'rock', 'paper' or 'scissors'?\n" << endl;
	cin >> userChoice;
	cout << "\nYou have chosen: " << userChoice << endl;

	// Generate a pseudo-random number between 1 and 3
	int randomNumber;
	srand(time(0));
	randomNumber = rand() % 3 + 1;

	// 1 = Rock, 2 = Paper, 3 = Scissors, assign a choice to the computer.
	string computerChoice;
	if (randomNumber == 1) {
		computerChoice = "rock";
	}
	else if (randomNumber == 2) {
		computerChoice = "paper";
	}
	else {
		computerChoice = "scissors";
	}
	cout << "\nThe computer chose: " << computerChoice << endl;

	// Decide who wins by comparing the userChoice and computerChoice
	// Choose what happens if userChoice is rock
	if (userChoice == "rock") {
		if (computerChoice == "paper") {
			cout << "\nPaper beats rock, you lose!\n\n";
		}
		else if (computerChoice == "scissors") {
			cout << "\nRock beats scissors, you win!\n\n";
		}
		else {
			cout << "\nIt's a tie!\n\n";
		}
	}


	// Choose what happens if userChoice is paper
	if (userChoice == "paper") {
		if (computerChoice == "scissors") {
			cout << "\nScissors beats paper, you lose!\n\n";
		}
		else if (computerChoice == "rock") {
			cout << "\nPaper beats rock, you win!\n\n";
		}
		else {
			cout << "\nIt's a tie!\n\n";
		}
	}


	// Choose what happens if userChoice is scissors
	if (userChoice == "scissors") {
		if (computerChoice == "rock") {
			cout << "\nRock beats scissors, you lose!\n\n";
		}
		else if (computerChoice == "paper") {
			cout << "\nScissors beats paper, you win!\n\n";
		}
		else {
			cout << "\nIt's a tie!\n\n";
		}
	}
	playAgain();
}

int main(int nNumberofArgs, char* pszArgs[]) {
	playGame();
}