import java.util.Scanner;   // Imports the stuff to take user input.

public class DiceGame
{
  static boolean spam;   // A boolean to keep track of if you want to be spammed with lots of unnecessary information.
  static boolean spamChoice;   // A boolean to see if the user has chose wether or not to be spammed.
  static boolean numberChoice1;   // A boolean to see if the user has chosen the number of dice player 1 will roll.
  static boolean numberChoice2;   // A boolean to see if the user has chosen the number of dice player 2 will roll.
  static boolean sideChoice1;   // A boolean to see if the user has chosen the number of sides player 1's dice have.
  static boolean sideChoice2;   // A boolean to see if the user has chosen the number of sides player 2's dice have.
  static boolean rollChoice;   // A boolean to see if the user has chosen an amount of games to be played.
  static int diceNumber1;   // Creates an int that keeps track of the number of dice player 1 will roll.
  static int diceNumber2;   // Creates an int that keeps track of the number of dice player 2 will roll.
  static int sides1;   // Keeps track of the number of sides of player 1's dice.
  static int sides2;   // Keeps track of the number of sides of player 2's dice.
  static int rollNumber;   // Creates an int that keep tracks of the roll number.
  static int winCount;   // Creates an int that keeps track of player 1's win count.
  static int tieCount;   // Creates an int that keeps track of the number of ties.
  static Scanner a = new Scanner(System.in);   // Creates a new static scanner named a.

  public static void main(String[] args)
  {
    do {
      System.out.println("Do you wish to be spammed with the outcomes of all the games?\nYes or No");
      String answer = a.nextLine();
      if (answer.equalsIgnoreCase("Yes")) {   // Checks if the user typed yes.
        System.out.println();
        System.out.println("You shall now be spammed when you run this program.");
        spam = true;   // Makes it so that the outcomes of all the games is shown to the user
        spamChoice = true;
      }
      else if (answer.equalsIgnoreCase("No")) {   // Checks if the user typed no.
        System.out.println("Good Choice. You will no longer be spammed when you run this program.");
        spamChoice = true;
      }
      else {
        System.out.println("You must enter yes or no.");
      }
      System.out.println();
    } while (spamChoice == false);   // does not allow the user to move on if they enter something invalid.

    do {
      System.out.println("How many dice should player 1 roll?");
      diceNumber1 = a.nextInt();
      if (diceNumber1 <= 0){
        System.out.println("You must choose a positive integer!");
      }
      else if (diceNumber1 == 1) {
        System.out.println("Player 1 will now roll 1 die.");
        numberChoice1 = true;
      }
      else if (diceNumber1 > 1) {
        System.out.println("Player 1 will now roll " + diceNumber1 + " dice.");
        numberChoice1 = true;
      }
      System.out.println();
    } while (numberChoice1 == false);   // does not allow the user to move on if they enter something invalid.

    do {
      System.out.println("How many dice should player 2 roll?");
      diceNumber2 = a.nextInt();
      if (diceNumber2 <= 0){
        System.out.println("You must choose a positive integer!");
      }
      else if (diceNumber2 == 1) {
        System.out.println("Player 2 will now roll 1 die.");
        numberChoice2 = true;
      }
      else if (diceNumber2 > 1) {
        System.out.println("Player 2 will now roll " + diceNumber2 + " dice.");
        numberChoice2 = true;
      }
      System.out.println();
    } while (numberChoice2 == false);   // does not allow the user to move on if they enter something invalid.

    do {
      System.out.println("How many sides should player 1's dice have?");
      sides1 = a.nextInt();
      if (sides1 == 1) {
        System.out.println("You must choose a number greater than 1.");
      }
      else if (sides1 == 2) {
        System.out.println("Player 1 will now just flip coins instead of rolling dice.");
        sideChoice1 = true;
      }
      else if (sides1 > 2) {
        System.out.println("Player 1 will now use roll " + sides1 + " sided dice.");
        sideChoice1 = true;
      }
      System.out.println();
    } while (sideChoice1 == false);   // does not allow the user to move on if they enter something invalid.

    do {
      System.out.println("How many sides should player 2's dice have?");
      sides2 = a.nextInt();
      if (sides2 == 1) {
        System.out.println("You must choose a number greater than 1.");
      }
      else if (sides2 == 2) {
        System.out.println("Player 2 will now just flip coins instead of rolling dice.");
        sideChoice2 = true;
      }
      else if (sides2 > 2) {
        System.out.println("Player 2 will now use roll " + sides2 + " sided dice.");
        sideChoice2 = true;
      }
      System.out.println();
    } while (sideChoice2 == false);   // does not allow the user to move on if they enter something invalid.

    do {
      System.out.println("How many games should be played?");
      rollNumber = a.nextInt();
      if (rollNumber <= 0) {
        System.out.println("Please choose a number that is greater than 0");
      }
      else {
        System.out.println("Ok. There will be " + rollNumber + " games played.");
        rollChoice = true;
      }
      System.out.println();
    } while (rollChoice == false);   // does not allow the user to move on if they enter something invalid.

    for (int i = 0; i < rollNumber; i++) {
      Die player1 = new Die(sides1,diceNumber1);   // Creates a new Die called player1 with the side number and dice number specified by the user.
      Die player2 = new Die(sides2,diceNumber2);   // Creates a new Die called player2 with the side number and dice number specified by the user.

      int dieroll1 = player1.roll();
      int dieroll2 = player2.roll();
      if (dieroll1 > dieroll2) {   // Checks if player 1 rolled a higher number.
        winCount++;
      }
      else if (dieroll1 == dieroll2) {   // Checks if both players rolled the same number.
        tieCount++;
      }
      if (spam == true) {   // Checks if the user wanted to be spammed with the outcomes fo every game.
        if (sides1 == 2){
          System.out.println("Player 1 got a " + dieroll1);
        }
        else {
          System.out.println("Player 1 rolled a " + dieroll1);
        }
        if (sides2 == 2) {
          System.out.println("Player 2 got a " + dieroll2);
        }
        else {
          System.out.println("Player 2 rolled a " + dieroll2);
        }
      if (dieroll1 > dieroll2) System.out.println("Player 1 wins!");
      else
        if (dieroll2 > dieroll1) System.out.println("Player 2 wins!");
      else System.out.println("It's a tie!");
      }
    }
    System.out.println("\nPlayer 1 won " + winCount + " times!\nPlayer 2 won " + (rollNumber-winCount-tieCount) + " times!\nThere were " + tieCount + " ties!");   // Prints out the total wins for each player and the total ties.
  }
}


// This goes in a separate file.

public class Die
{
  private int sideNumber;   // number of sides on the dice.
  private int diceNumber;   // number of dice.
  private int total;   // The total number rolled.
  int lastroll = 0;
  public Die(int sides, int amount) {   // Custom constructor with variable for sides and number of dice.
    sideNumber = sides;
    diceNumber = amount;
  }
  // methods
  public int roll()
  {
    for (int i = 0; i < diceNumber; i++) {   // Rolls an amount of times equivalent to the number of dice.
      int x = (int)((Math.random()*sideNumber)+1);
      total += x;   // Adds the amount from each roll the the total.
    }
    return total;
  }
}