/*
 * This file is part of libdice.
 *
 * Copyright (C) 2018 Florian Stinglmayr <florian@n0la.org>
 *
 * libdice is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * libdice 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libdice.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LIBDICE_DICE_H
#define LIBDICE_DICE_H

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

struct dice_;
typedef struct dice_ * dice_t;

struct dice_expression_;
typedef struct dice_expression_ * dice_expression_t;

typedef struct {
    int64_t result;
} dice_result_t;

typedef enum {
    DICEOPTION_AMOUNT = 0,
    DICEOPTION_SIDES,
    DICEOPTION_ERROR,
} dice_option_t;

void dice_result_free(dice_result_t *r);
void dice_result_freev(dice_result_t *r, size_t len);

dice_t dice_new(void);
void dice_free(dice_t t);
dice_t dice_simple(uint32_t amount, uint32_t sides);
bool dice_parse(dice_t d, char const *s);

bool dice_set(dice_t d, dice_option_t opt, ...);
bool dice_get(dice_t d, dice_option_t opt, ...);

int64_t dice_roll(dice_t d);
bool dice_evaluate(dice_t d, dice_result_t **res, size_t *reslen);

dice_expression_t dice_expression_new(void);
void dice_expression_free(dice_expression_t e);

bool dice_expression_parse(dice_expression_t d, char const *s, int *error);
bool dice_expression_roll(dice_expression_t e, int64_t *result);
bool dice_expression_print(dice_expression_t e);

#endif