/*----------------------------------------------------------
 *				HTBLA-Leonding
 * ----------------------------------------------------------
 * Description:
 * Basic chess functions.
 * ----------------------------------------------------------
 */

#ifndef ___CHESS_H
#define ___CHESS_H

#include <stdio.h>
#include <stdbool.h>

#define CHESSBOARD_LENGTH 8
typedef struct ChessSquare ChessBoard[CHESSBOARD_LENGTH][CHESSBOARD_LENGTH];

#include "chess_printer.h"

typedef enum {
    Pawn,
    Knight,
    Bishop,
    Rook,
    Queen,
    King,
    NoPiece
} PieceType;

typedef enum {
    White,
    Black,
    NO_COLOR
} Color;

typedef enum {
    NormalMove,
    CaptureMove
} MoveType;

struct ChessPiece {
    Color color;
    PieceType type;
};

struct ChessSquare {
    bool is_occupied;
    struct ChessPiece piece;
};

typedef char File;
typedef int Rank;

struct ChessPiece get_piece(ChessBoard chess_board, File file, Rank rank);
struct ChessSquare* get_square(ChessBoard chess_board, File file, Rank rank);
bool squares_share_pawns_move(Color color, MoveType move, File filePiece1, Rank rankPiece1, File filePiece2, Rank rankPiece2);

void init_chess_board(ChessBoard chess_board);
void setup_chess_board(ChessBoard chess_board);
bool is_square_occupied(ChessBoard chess_board, File file, Rank rank);
bool squares_share_file(File file1, Rank rank1, File file2, Rank rank2);
bool squares_share_rank(File file1, Rank rank1, File file2, Rank rank2);
bool squares_share_diagonal(File file1, Rank rank1, File file2, Rank rank2);
bool squares_share_knights_move(File file1, Rank rank1, File file2, Rank rank2);
bool squares_share_queens_move(File file1, Rank rank1, File file2, Rank rank2);
bool squares_share_kings_move(File file1, Rank rank1, File file2, Rank rank2);

bool is_piece(struct ChessPiece piece, Color color, PieceType type);
bool add_piece(ChessBoard chess_board, File file, Rank rank, struct ChessPiece piece);
bool remove_piece(ChessBoard chess_board, File file, Rank rank);

#endif