package backend;

public class MovementCapabilities {
	public boolean enPassant(Piece piece, int x, int y, Board board) {
		if (piece.getType() != PieceType.Pawn) {
		return false;
		}
		
		int currentX = piece.getX();
		int currentY = piece.getY();
		boolean isWhite = piece.isWhite();
		int direction = isWhite ? -1:1;
		
		 System.out.println("Checking en passant for pawn at " + currentX + "," + currentY + " to " + x + "," + y);
	
		
		if (Math.abs(x - currentX) == 1 && y == currentY + direction && board.getPiece(x, y)== null) {
			Move last = board.getLastMove();
			
			System.out.println("Last move is " + last);

			if (last != null) {
				Piece lastMoved = last.getPieceMoved();
				System.out.println("Last moved: " + lastMoved.getType() + " at " + last.getOldX() + "," + last.getOldY() + " to " + last.getNewX() + "," + last.getNewY());
				
				boolean isPawn = lastMoved != null && lastMoved.getType()== PieceType.Pawn ;
				boolean isOpp = lastMoved.isWhite() != isWhite ;
				boolean movedTwo = Math.abs(last.getOldY() - last.getNewY()) == 2;
				boolean sameX = last.getNewX()== x;
				boolean sameY = last.getNewY()== currentY;
				
				System.out.println("🔍 isPawn: " + isPawn);
		        System.out.println("🔍 isEnemy: " + isOpp);
		        System.out.println("🔍 movedTwo: " + movedTwo);
		        System.out.println("🔍 sameY: " + sameY);
		        System.out.println("🔍 sameX: " + sameX);
				
				if  (isPawn && isOpp && movedTwo && sameX && sameY) {
					 System.out.println("✨ En passant conditions met!");
					 board.movePiece(currentX, currentY, x, y);
					 //board.setPiece(false, null, x, currentY);
					 board.removePiece(x, currentY);
					 return true;
				}
			}
		}
		return false;
	}
}