/* This file is a part of othello-ai-guile-c
 *
 * Copyright (C) 2021  Robby Zambito
 *
 * othello-ai-guile-c is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * othello-ai-guile-c is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#define _GNU_SOURCE

#pragma once

#include "othello.h"

struct move prompt_get_move(enum player_color current_player);
struct move get_scm_move(char *strategy_path);

// True if move is valid for current_player.
// Otherwise false.
bool is_valid_move(enum player_color **board,
                   const enum player_color current_player,
                   const struct move move);
SCM scm_is_valid_move(SCM board, SCM current_player, SCM move);

SCM scm_valid_moves(SCM scm_board, SCM player);

// True if current_player has any valid moves.
// Otherwise false.
bool has_valid_moves(enum player_color **board,
                     const enum player_color current_player);

// Returns non-zero number if the move was valid.
// Returns the number of flipped tiles.
int apply_move(enum player_color **board, enum player_color current_player,
               struct move move);
// Does not actually modify the current board state. Returns a new board with
// the move applied. If the move was not valid, an empty list (nil) is returned.
SCM scm_apply_move(SCM move, SCM board, SCM current_player);

SCM scm_get_num_flipped_by_move(SCM move, SCM board, SCM current_player);

struct move scm_move_to_c_move(SCM scm_move);