#ifndef _BOARD_H_
#define _BOARD_H_

#include <glib.h>
#include <glib-object.h>

#include <libtetringo/pieces.h>

typedef struct _TetringoBoard      TetringoBoard;
typedef struct _TetringoBoardClass TetringoBoardClass;
typedef struct _TetringoBoardPriv  TetringoBoardPriv;

typedef enum
{
	TETRINGO_BLOCK_NORMAL = 0,
	TETRINGO_BLOCK_UNUSED,
	TETRINGO_BLOCK_USED,
	NUM_BLOCK_TYPES

} TetringoBlockType;

struct _TetringoBoard
{
	GObject parent_object;

	TetringoBoardPriv *priv;
};

struct _TetringoBoardClass
{
	GObjectClass parent_class;

	/* Signals */
	void (*block_placed)(TetringoBoard *board, TetringoBlockType type,
						 guint row, guint col);
	void (*block_removed)(TetringoBoard *board, guint row, guint col);
	void (*area_matched)(TetringoBoard *board, guint row, guint col,
						 guint row_span, guint col_span);
	void (*cleared)(TetringoBoard *board);
};

#define TETRINGO_TYPE_BOARD (tetringo_board_get_type())
#define TETRINGO_BOARD(obj) \
		(G_TYPE_CHECK_INSTANCE_CAST((obj), TETRINGO_TYPE_BOARD, TetringoBoard))
#define TETRINGO_BOARD_CLASS(klass) \
		(G_TYPE_CHECK_CLASS_CAST((klass), TETRINGO_TYPE_BOARD, TetringoBoardClass))
#define TETRINGO_IS_BOARD(obj) \
		(G_TYPE_CHECK_INSTANCE_TYPE((obj), TETRINGO_TYPE_BOARD))
#define TETRINGO_IS_BOARD_CLASS(klass) \
		(G_TYPE_CHECK_CLASS_TYPE((klass), TETRINGO_TYPE_BOARD))
#define TETRINGO_BOARD_GET_CLASS(obj) \
		(G_TYPE_INSTANCE_GET_CLASS ((obj), TETRINGO_TYPE_BOARD, TetringoBoardClass))

GType tetringo_board_get_type(void);

TetringoBoard *tetringo_board_new(guint num_rows, guint num_cols);

void tetringo_board_set_blocks_type(TetringoBoard *board,
									TetringoBlockType block_type);
TetringoBlockType tetringo_board_get_blocks_type(const TetringoBoard *board);

guint tetringo_board_get_num_rows(const TetringoBoard *board);
guint tetringo_board_get_num_cols(const TetringoBoard *board);
gboolean tetringo_board_get_has_block(const TetringoBoard *board,
									  guint row, guint col);

void tetringo_board_clear(TetringoBoard *board);
void tetringo_board_place_piece(TetringoBoard *board, Piece piece,
								TetringoBlockType block_type,
								guint row, guint col);
void tetringo_board_remove_block(TetringoBoard *board,
								 guint row, guint col);
void tetringo_board_remove_blocks(TetringoBoard *board,
								  guint row, guint col,
								  guint row_span, guint col_span);
void tetringo_board_area_matched(TetringoBoard *board,
								 guint row, guint col,
								 guint row_span, guint col_span);

gboolean tetringo_board_can_place_piece(const TetringoBoard *board,
										Piece piece, guint row,
										guint col);

#endif /* _BOARD_H_ */