/*
 *  This file is part of uIRC. (https://git.redxen.eu/caskd/uIRC)
 *  Copyright (c) 2019, 2020 Alex-David Denes
 *
 *  uIRC 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
 *  any later version.
 *
 *  uIRC 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 uIRC.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "memory.h"

#include "../types.h" // IRC_*

#include <assert.h>             // assert()
#include <corelibs/llist.h>     // llist_t remove_linked_list_elem()
#include <corelibs/stringext.h> // malloc_string()
#include <stdlib.h>             // free()
#include <string.h>             // strcpy()

// TODO: Indicate failure of this at any step and free previous if that happens
IRC_User*
uirc_malloc_user(const char* nick, const char* user, const char* real)
{
	IRC_User* ret;
	if ((ret = malloc(sizeof(IRC_User))) != NULL) {
		ret->nick = (nick == NULL) ? NULL : malloc_string(nick, strlen(nick));
		ret->user = (user == NULL) ? NULL : malloc_string(user, strlen(user));
		ret->real = (real == NULL) ? NULL : malloc_string(real, strlen(real));
		return ret;
	} else
		return NULL;
}

// TODO: uirc_malloc_tag_list uirc_malloc_tag

void
uirc_free_tag(IRC_Tag* t)
{
	assert(t != NULL);
	free(t->key);
	free(t->value);
}

void
uirc_free_user(IRC_User* u)
{
	assert(u != NULL);
	free(u->user);
	free(u->nick);
	free(u->real);
}

void
uirc_free_message(IRC_Message* m)
{
	assert(m != NULL);

	free(m->command);

	for (unsigned short i = 0; m->args[i] != NULL; i++) free(m->args[i]);

	llist_t* t = m->tag_list;
	for (; t != NULL; t = t->next) {
		uirc_free_tag(t->content);
		remove_linked_list_elem(t);
	}

	if (m->source != NULL) {
		uirc_free_user(m->source);
		free(m->source);
	}
}