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

int humanTurn(int hTotal);
int compTurn(int cTotal);

int main()
{
    //seedint the random number generator
    srand(time(0));

    int cTotal = 0; // keeos track of computer score
    int hTotal = 0; // keeos track of user score

    while(cTotal < 100 && hTotal < 100)
    {
        //human turn first
        int humanTurnScore = humanTurn(hTotal);

        hTotal += humanTurnScore;

        int compTurnScore = compTurn(cTotal);

        cTotal += compTurnScore;

    }

    if(hTotal >= 100)
        cout << "You won the game!!!";
    else
        cout << "The computer won the game.";
    return 0;
}

int humanTurn(int hTotal)
{
    int turnTotal = 0;
    char input = 'r';

    while(input == 'r')
    {
        int face = 1 + rand()%6;
        cout << "You rolled " << face << endl;

        if(face == 1)
        {
            cout << "you lost your turn, you lose all your points for this turn";
            input = 'h';
            turnTotal = 0; //you lose all your accumulated turn points, turnTotal reset to zero
        }

        // you have not gotten 1, increment total and ask user to roll again
        else
        {
            turnTotal += face;
            cout << "do you want to roll again?" << endl;
            cin >> input;

        }
    }

    return turnTotal;
}

int compTurn(int cTotal)
{
   int turnTotal = 0;

   while(turnTotal < 20)
   {
        int face = 1 *rand()%6;
        if(face == 1)
            return 0;
        else
            turnTotal += face;
   }
   cout << "computer gets " << turnTotal << " points this turn.\n"<< endl;
   return turnTotal;


}