package Pieces;

import Game.*;

public class Pawn extends BoardSquare {

    public Pawn(){
        this.hasMoved = false;

        horiz = false;
        vert = true;
        diag = false;
        bidirectional = false;
        limit = 1;

        symbol = 'P';
        imagename = "Pawn.png";
    }

    public Pawn(int x, int y, Player player){
        this();
        this.x = x;
        this.y = y;
        this.owner = player;
    }

    public SpecialMoveReturn SpecialMove(BoardSquare startSquare, BoardSquare destSquare, MoveType moveType, Board gameBoard){
        if(moveType.direction == MoveType.Direction.VERT) {
            //Pawns can not capture directly ahead:
            if (destSquare.owner != Player.NONE)
                return SpecialMoveReturn.INVALID;

            if (!startSquare.hasMoved && moveType.distance == 2 && !gameBoard.findPieces(startSquare, destSquare, Math.abs(moveType.distance)))
                return SpecialMoveReturn.VALID;

            //diagonal pawn capture
        } else if(moveType.direction == MoveType.Direction.DIAG && moveType.distance == 1) {
            if (destSquare.owner != Player.NONE)
                return SpecialMoveReturn.VALID;

            return SpecialMoveReturn.INVALID;

        }

        return SpecialMoveReturn.NONEXISTANT;
    }
}