Game.java

package Q7_10_Minesweeper;

import java.util.Scanner;

public class Game {
	public enum GameState {
		WON, LOST, RUNNING
	}
	
	private Board board;
	private int rows;
	private int columns;
	private int bombs;
	private GameState state;
	
	public Game(int r, int c, int b) {
		rows = r;
		columns = c;
		bombs = b;
		state = GameState.RUNNING;
	}	
	
	public boolean initialize() {
		if (board == null) {
			board = new Board(rows, columns, bombs);	
			board.printBoard(true);
			return true;
		} else {
			System.out.println("Game has already been initialized.");
			return false;
		}
	}	
	
	public boolean start() {
		if (board == null) {
			initialize();
		}
		return playGame();
	}
	
	public void printGameState() {
		if (state == GameState.LOST) {
			board.printBoard(true);
			System.out.println("FAIL");
		} else if (state == GameState.WON) {
			board.printBoard(true);
			System.out.println("WIN");
		} else {
			System.out.println("Number remaining: " + board.getNumRemaining());			
			board.printBoard(false);	
		}
	}
	
	private boolean playGame() {
		Scanner scanner = new Scanner(System.in);
		printGameState();
		
		while (state == GameState.RUNNING) {
			String input = scanner.nextLine();
			if (input.equals("exit")) {
				scanner.close();
				return false;
			}
			
			UserPlay play = UserPlay.fromString(input);
			if (play == null) { 
				continue;
			}
			
			UserPlayResult result = board.playFlip(play);
			if (result.successfulMove()) {
				state = result.getResultingState();
			} else {
				System.out.println("Could not flip cell (" + play.getRow() + "," + play.getColumn() + ").");
			} 
			printGameState();
		}	
		scanner.close();
		return true;
	}
	
	
}