package model;

import view.BoardPanel;
import view.MessagePanel;
import model.Board.TileColor;

public class Referee implements Runnable {

	public static final String COM_TURN = "Waiting for the computer's move.";
	public static final String GAME_OVER = "Game over!";
	public static final String PLAYER_TURN = "Waiting for the player's move.";

	private final Board board;
	private final HumanPlayer humanPlayer = new HumanPlayer();
	private final Player cc;

	private boolean playerTurn;
	private BoardPanel boardPanel;
	private int score = 0;
	private MessagePanel messagePanel;

	public Referee() {
		board = new Board();
		cc = new RandomComPlayer();
		playerTurn = true;
	}

	@Override
	public void run() {
		int plies = 0;
		while (!isOver()) {
			if (playerTurn) {
				boolean wasInterrupted = false;
				while (!humanPlayer.isReady()) {
					try {
						Thread.sleep(250L);
					} catch (InterruptedException ie) {
						wasInterrupted = true;
					}
				}
				if (wasInterrupted) {
					System.out.println("Interrupted while waiting for human to move!");
				} else {
					Move mv = humanPlayer.getMove(board);
					if (board.getTile(mv.getCell().r, mv.getCell().c) == TileColor.NONE) {
						playToken(humanPlayer.getMove(board));
					} else {
						humanPlayer.denyMove();
					}
				}
			} else {
				Move mv = cc.getMove(board);
				playToken(mv);
			}
			
			messagePanel.updateMessage(getMessage());
			boardPanel.updateIcons();
			System.out.println("plies: " + plies++);
			try {
				Thread.sleep(1000L);
			} catch (InterruptedException ie) {
				System.out.println("Interrupted while waiting for human view ply!");
			}
		}
	}

	public Player getComputerPlayer() {
		return cc;
	}

	public HumanPlayer getHumanPlayer() {
		return humanPlayer;
	}
	
	public String getMessage() {
		if (isOver()) {
			return GAME_OVER;
		} else if (isPlayersTurn()) {
			return PLAYER_TURN;
		} else {
			return COM_TURN;
		}
	}
	
	public boolean isOver() {
		for (int r = 0; r < Board.NUM_ROWS; r++) {
			for (int c = 0; c < Board.NUM_COLS; c++) {
				if (board.getTile(r, c) == TileColor.NONE) {
					return false;
				}
			}
		}

		return true;
	}
	
	private boolean isPlayersTurn() {
		return playerTurn;
	}
	
	public int getScore() {
		return score;
	}
	
	public TileColor getTile(int r, int c) {
		return board.getTile(r, c);
	}

	public void playToken(Move move) {

		board.setTile(move.getCell(), move.getColor());

		if (playerTurn) {
			score++;
		}

		playerTurn = !playerTurn;
	}

	public void setBoardPanel(BoardPanel boardPanel) {
		this.boardPanel = boardPanel;
	}
	
	public void setMessagePanel(MessagePanel messagePanel) {
		this.messagePanel = messagePanel;
	}
}