package dicegames;

import java.util.Scanner;

public class CrapsPlay {
	private Die die1, die2;
	private Scanner scan;
	private boolean won;
	private boolean finished = false;
	private int rolls;
	private int firstRoll;
	private int sumOfRoll;
	private int wonGames;
	private int gamesPlayed;

	public CrapsPlay() {
		die1 = new Die();
		die2 = new Die();
		scan = new Scanner(System.in);
	}

	/**
	 * Print out a neat welcome message to the player.
	 */
	private void welcomeToGame() {
		System.out.println("Velkommen til spillet Craps.");
		System.out.println("Spillets gang");
		System.out.println("Spillet består af en række kast med to terninger. " + "Spilleren kaster to terninger. "
				+ "Det første kast kaldes ‘come out roll’. "
				+ "Spilleren vinder med det samme, hvis det første kast er 7 eller 11 og "
				+ "taber med det samme, hvis han opnår 2, 3 eller 12. "
				+ "Hvis spillerens første kast er 4, 5, 6, 8, 9 eller 10, " + "etableres dette tal som hans ‘point’. "
				+ "Spilleren bliver derefter ved med at kaste, indtil han opnår sit ‘point’ igen. "
				+ "Opnår han 7 før han opnår sit ‘point’, har han tabt.");

	}

	/**
	 * End the current game and print out whether it was a win or a loss.
	 */
	public void gameOver() {
		if (won) {
			System.out.println("Tillykke du har vundet.");
			wonGames++;
		} else
			System.out.println("Du har tabt.");
		gamesPlayed++;
//		scan.close();
	}
/**
 * End the game and close the scanner.
 * Print number of won games as well as number of lost games.
 */
	public void endGame() {
		System.out.println("Tak for denne gang.");
		System.out.println("Du vandt " + wonGames + " spil.");
		System.out.println("Du tabte " + (gamesPlayed - wonGames) + " spil.");
		scan.close();
	}

/**
 * Roll the dice and check if the roll results in a win or a loss.
 */
	public void takeTurn() {
		die1.roll();
		die2.roll();
		sumOfRoll = die1.getFaceValue() + die2.getFaceValue();
		checkWin();
		checkLoss();
		if (rolls == 0)
			firstRoll = sumOfRoll;
		rolls++;
		System.out.println("Du har kastet: " + sumOfRoll);
	}

	/**
	 * Check if the current roll results in a win, and end the current game if it did.
	 */
	public void checkWin() {
		if (rolls == 0 && sumOfRoll == 7 || rolls == 0 && sumOfRoll == 11) {
			won = true;
			finished = true;
		} else if (sumOfRoll == firstRoll) {
			won = true;
			finished = true;
		}

	}

	/**
	 * Check if the current roll results in a loss, and end the current game if it did.
	 */
	public void checkLoss() {
		if (rolls == 0 && sumOfRoll == 2 || rolls == 0 && sumOfRoll == 3 || rolls == 0 && sumOfRoll == 12) {
			won = false;
			finished = true;
		} else if (sumOfRoll == 7 && rolls > 0) {
			won = false;
			finished = true;
		}
	}
	/**
	 * Launch Craps and print a welcome message before the first game.
	 * Reset relevant variables in between games.
	 */
	public void startGame() {

		if (gamesPlayed == 0) {
			welcomeToGame();
		}

		finished = false;
		firstRoll = 0;
		rolls = 0;

		while (!finished) {
			System.out.println("Vil du kaste en terning? Angiv Ja eller Nej: ");
			String goOn = scan.nextLine();
			if (goOn.equalsIgnoreCase("Nej")) {
				finished = true;
			} else {
				takeTurn();
			}
		}
		gameOver();
	}
}