/*
 * melisma - extensible and scriptable audio engine
 * Copyright (C) 2026  Ludvig Gunne Lindström
 *
 * This program 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.
 *
 * This program 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/>.
 */

#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "melisma.h"
#include <lauxlib.h>

struct semver
{
	int major;
	int minor;
	int patch;
};

static void parse(struct semver *out, const char *str)
{
	const char *tok;
	char buf[32];

	strcpy(buf, str);

	assert((tok = strtok(buf, ".")));
	out->major = atoi(tok);

	assert((tok = strtok(NULL, ".")));
	out->minor = atoi(tok);

	assert((tok = strtok(NULL, ".")));
	out->patch = atoi(tok);
}

void ml__check_version(const char *s)
{
	extern lua_State *state;
	struct semver melisma, module;

	parse(&melisma,MELISMA_VERSION);
	parse(&module,s);

	if (melisma.major != module.major)
	{
		luaL_error(state,"Mismatching versions (melisma: %s, module: %s)",
		           MELISMA_VERSION,s);
	}
}