import java.util.*;
import javax.swing.ImageIcon;

public class Bishop extends Piece {
  boolean hasMoved;

  public Bishop(int x, int y, String color) {
    super(x, y, color, new ImageIcon("sprites/" + color + "/bishop.png").getImage());
    hasMoved = false;
  }

  public ArrayList<Position> getLegalMoves(Board board) {
    ArrayList<Position> positions = new ArrayList<Position>();

    // check left
    for (int i = pos.x - 1; i >= 0; i--) {
      Position test = new Position(i, pos.y);
      if (board.isOpen(test)) {
        positions.add(test);
        continue;
      } else if (board.getPiece(test).colorMatches(this)) {
        break;
      } else {
        positions.add(test);
        break;
      }
    }

    // check right
    for (int i = pos.x + 1; i <= 7; i++) {
      Position test = new Position(i, pos.y);
      if (board.isOpen(test)) {
        positions.add(test);
        continue;
      } else if (board.getPiece(test).colorMatches(this)) {
        break;
      } else {
        positions.add(test);
        break;
      }
    }

    // check up
    for (int i = pos.y + 1; i <= 7; i++) {
      Position test = new Position(pos.x, i);
      if (board.isOpen(test)) {
        positions.add(test);
        continue;
      } else if (board.getPiece(test).colorMatches(this)) {
        break;
      } else {
        positions.add(test);
        break;
      }
    }

    // check down
    for (int i = pos.y - 1; i >= 0; i--) {
      Position test = new Position(pos.x, i);
      if (board.isOpen(test)) {
        positions.add(test);
        continue;
      } else if (board.getPiece(test).colorMatches(this)) {
        break;
      } else {
        positions.add(test);
        break;
      }
    }
    return positions;
  }
}