/* AVB support
 *
 * Copyright © 2022 Wim Taymans
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include <spa/utils/json.h>
#include <spa/debug/mem.h>

#include <pipewire/pipewire.h>

#include "aecp.h"
#include "internal.h"

struct aecp {
	struct server *server;
	struct spa_hook server_listener;

	uint64_t now;
};

static void aecp_message_debug(struct aecp *aecp, const struct avbtp_packet_aecp *p)
{
}

static int aecp_message(void *data, uint64_t now, const void *message, int len)
{
	struct aecp *aecp = data;
	const struct avbtp_packet_aecp *p = message;

	if (AVBTP_PACKET_GET_SUBTYPE(p) != AVBTP_SUBTYPE_AECP)
		return 0;

	spa_debug_mem(0, p, len);

	return 0;
}

static void aecp_destroy(void *data)
{
	struct aecp *aecp = data;
	spa_hook_remove(&aecp->server_listener);
	free(aecp);
}

static void aecp_periodic(void *data, uint64_t now)
{
}

static int do_help(struct aecp *aecp, const char *args)
{
	return 0;
}

static int aecp_command(void *data, uint64_t now, const char *command, const char *args)
{
	struct aecp *aecp = data;
	int res;

	if (!spa_strstartswith(command, "/aecp/"))
		return 0;

	command += strlen("/aecp/");
	aecp->now = now;

	if (spa_streq(command, "help"))
		res = do_help(aecp, args);
	else
		res = -ENOTSUP;

	return res;
}

static const struct server_events server_events = {
	AVBTP_VERSION_SERVER_EVENTS,
	.destroy = aecp_destroy,
	.message = aecp_message,
	.periodic = aecp_periodic,
	.command = aecp_command
};

struct avbtp_aecp *avbtp_aecp_register(struct server *server)
{
	struct aecp *aecp;

	aecp = calloc(1, sizeof(*aecp));
	if (aecp == NULL)
		return NULL;

	aecp->server = server;

	avdecc_server_add_listener(server, &aecp->server_listener, &server_events, aecp);

	return (struct avbtp_aecp*)aecp;
}

void avbtp_aecp_unregister(struct avbtp_aecp *aecp)
{
	aecp_destroy(aecp);
}