#include <iostream>
#include <string>
#include <ctime>

using namespace std;

int winner(int, int);
int randomizer();
int input();


int main()
{
    int compChce = 0;
    int humChce = 0;
    int gameCompleted = 0;
    srand(time(NULL));
    compChce = randomizer();
    humChce = input();
    gameCompleted = winner(compChce, humChce);

    if (gameCompleted == 0)
    {
        compChce = randomizer();
        humChce = input();
        gameCompleted = winner(compChce, humChce);
    }

    system("pause");
    return 0;
}

int winner(int compChce, int humChce)
{
    int game = 0;
    if (compChce == 1)
    {
        if (humChce == 1)
        {
            cout << "It was a tie" << endl;
        }
        else if (humChce == 2)
        {
            cout << "Human wins" << endl;
            game = 1;
        }
        else if (humChce == 3)
        {
            cout << "Computer wins" << endl;
            game = 1;
        }
    }
    else if (compChce == 2)
    {
        if (humChce == 1)
        {
            cout << "Computer wins" << endl;
            game = 1;
        }
        else if (humChce == 2)
        {
            cout << "It was a tie" << endl;
        }
        else if (humChce == 3)
        {
            cout << "Human wins" << endl;
            game = 1;
        }
    }
    else if (compChce == 3)
    {
        if (humChce == 1)
        {
            cout << "Human wins" << endl;
            game = 1;
        }
        else if (humChce == 2)
        {
            cout << "Computer wins" << endl;
            game = 1;
        }
        else if (humChce == 3)
        {
            cout << "It was a tie" << endl;
        }
    }
    return game;
}

int randomizer()
{
    int compChce = 0;
    compChce = rand() % 3 + 1;
    return compChce;
}

int input()
{
    string humInp = "";
    int humChce = 0;

    cout << "1\tRock" << endl;
    cout << "2\tPaper" << endl;
    cout << "3\tScissors" << endl;
    cout << "Please enter the number beside your selection: ";

    cin >> humInp;

    if (humInp != "1" && humInp != "2" && humInp != "3")
    {
        cout << "Please make sure you entered a number between 1 and 3\n";
    }
    else
    {
        humChce = stoi(humInp);
    }
    return humChce;
}