import java.util.Scanner;
public class Pig {
    public static void main(String[] args)
{
    int winner=0;
    System.out.println("Welcome to the Pig dicegame!");
    while(winner==0)           //continues game
        winner=game();

    if (winner==1)
        System.out.println("User wins!");
    else if (winner==2)
        System.out.println("Computer wins! Kill all humans!");
}

public static int game()
{
        Scanner keyboard=new Scanner(System.in);
    int winner=0;
    int check=0;
    int roll=0;
    int computer=0;
    int userScore;
    int computerScore;
    while(check!=0)                     //Starts Users turn, ends if held
    {
        System.out.println("User's turn: press 1 then enter to roll");
        System.out.println("Press 0 then enter to hold");
        check=keyboard.nextInt();
        if (check==1)
            roll=dice();
        else if (check==0)
            System.out.println("HOLD");
        else
            System.out.println("ERROR TRY AGAIN");

        if (roll==1)
        {
            System.out.println("Sorry no points");
            check=0;
        }
        else
        {
            userScore=userScore+roll;           //adds user's score
            System.out.println("Your score is: " +userScore);
        }
    }

    while(computer<20)        //starts computers turn, ends if score is +20
    {
        System.out.println("Computer's Turn:");
        roll=dice();
        if (roll==1)
                {
            System.out.println("1!   No points!");
            computer=computer+100;           //Ends computer's turn
                }
        else
        {
            computerScore=computerScore+roll; //adds computers score
            computer=computer+roll;
        }
    }
    System.out.println("Current scores are:");
    System.out.println("User: " +userScore);
    System.out.println("Computer: " +computerScore);
    if (userScore>=100)
        winner=1;
    if (computerScore>=100)
        winner=2;
    else
        winner=0;
    return(winner);

}

public static int dice()
{
    int roll=(int)(Math.random()*6)+1;
    System.out.println("Dice roll: " +roll);
    return(roll);
}


}