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/*
 * Copyright 2025 Shota FUJI
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * ===
 *
 * C99 header file for helper C API for Plac GTK-Adwaita app.
 * This file is not checked against a generated library file: carefully write and review
 * definitions and implementations.
 */

#ifndef PLAC_GTK_ADWAITA_CORE_H
#define PLAC_GTK_ADWAITA_CORE_H

#include <stddef.h>
#include <stdint.h>

// discovery.Server
typedef struct { void *__pri; } plac_discovery_server;
plac_discovery_server *plac_discovery_server_retain(plac_discovery_server*);
void plac_discovery_server_release(plac_discovery_server*);
char *plac_discovery_server_id(plac_discovery_server*);
char *plac_discovery_server_name(plac_discovery_server*);
char *plac_discovery_server_version(plac_discovery_server*);
uint16_t *plac_discovery_server_http_port(plac_discovery_server*);

// discovery.ScanResult.Code
typedef enum {
	PLAC_DISCOVERY_SCAN_RESULT_OK = 0,
	PLAC_DISCOVERY_SCAN_RESULT_UNKNOWN = 1,
	PLAC_DISCOVERY_SCAN_RESULT_NETWORK_UNAVAILABLE = 2,
	PLAC_DISCOVERY_SCAN_RESULT_SOCKET_PERMISSION_DENIED = 3,
	PLAC_DISCOVERY_SCAN_RESULT_SOCKET_ERROR = 4,
	PLAC_DISCOVERY_SCAN_RESULT_OUT_OF_MEMORY = 5,
} plac_discovery_scan_result_code;

// discovery.ScanResult
typedef struct {
	void *__pri;
	plac_discovery_server **servers_ptr;
	size_t servers_len;
	plac_discovery_scan_result_code code;
} plac_discovery_scan_result;
plac_discovery_scan_result *plac_discovery_scan_result_retain(plac_discovery_scan_result*);
void plac_discovery_scan_result_release(plac_discovery_scan_result*);

// discovery
plac_discovery_scan_result *plac_discovery_scan();

// transport.PlaybackState
typedef enum {
	PLAC_TRANSPORT_PLAYBACK_LOADING = 0,
	PLAC_TRANSPORT_PLAYBACK_STOPPED = 1,
	PLAC_TRANSPORT_PLAYBACK_PAUSED = 2,
	PLAC_TRANSPORT_PLAYBACK_PLAYING = 3,
} plac_transport_playback_state;

// transport.Zone
typedef struct {
	void *__pri;
	char *id;
	char *name;
	plac_transport_playback_state playback;
} plac_transport_zone;
plac_transport_zone *plac_transport_zone_retain(plac_transport_zone*);
void plac_transport_zone_release(plac_transport_zone*);

// transport.ZoneListEvent
typedef struct {
	void *__pri;
	plac_transport_zone **added_zones_ptr;
	size_t added_zones_len;
	plac_transport_zone **changed_zones_ptr;
	size_t changed_zones_len;
	char **removed_zone_ids_ptr;
	size_t removed_zone_ids_len;
} plac_transport_zone_list_event;
plac_transport_zone_list_event *plac_transport_zone_list_event_retain(plac_transport_zone_list_event*);
void plac_transport_zone_list_event_release(plac_transport_zone_list_event*);

// connection.ConnectedEvent
typedef struct {
	void *__pri;
	char *token;
} plac_connection_connected_event;
plac_connection_connected_event *plac_connection_connected_event_retain(plac_connection_connected_event*);
void plac_connection_connected_event_release(plac_connection_connected_event*);

// connection.ConnectionError
typedef enum {
	PLAC_CONNECTION_ERROR_UNKNOWN = 0,
	PLAC_CONNECTION_ERROR_CLOSED_BY_SERVER = 1,
	PLAC_CONNECTION_ERROR_OUT_OF_MEMORY = 2,
	PLAC_CONNECTION_ERROR_UNEXPECTED_RESPONSE = 3,
	PLAC_CONNECTION_ERROR_NETWORK_UNAVAILABLE = 4,
	PLAC_CONNECTION_ERROR_NETWORK_ERROR = 5,
} plac_connection_connection_error;

// connection.ConnectionErrorEvent
typedef struct {
	void *__pri;
	plac_connection_connection_error code;
} plac_connection_connection_error_event;
plac_connection_connection_error_event *plac_connection_connection_error_event_retain(plac_connection_connection_error_event*);
void plac_connection_connection_error_event_release(plac_connection_connection_error_event*);

// connection.Event.Kind
typedef enum {
	PLAC_CONNECTION_EVENT_ERROR = 0,
	PLAC_CONNECTION_EVENT_CONNECTED = 1,
	PLAC_CONNECTION_EVENT_ZONE_LIST = 10,
} plac_connection_event_kind;

// connection.Event
typedef struct {
	void *__pri;
	plac_connection_event_kind kind;
} plac_connection_event;
plac_connection_event *plac_connection_event_retain(plac_connection_event*);
void plac_connection_event_release(plac_connection_event*);
plac_connection_connection_error_event *plac_connection_event_get_connection_error_event(plac_connection_event*);
plac_connection_connected_event *plac_connection_event_get_connected_event(plac_connection_event*);
plac_transport_zone_list_event *plac_connection_event_get_zone_list_event(plac_connection_event*);

// connection.Connection
typedef struct { void *__pri; } plac_connection;
plac_connection *plac_connection_make(plac_discovery_server*);
plac_connection *plac_connection_retain(plac_connection*);
void plac_connection_release(plac_connection*);
plac_connection_event *plac_connection_get_event(plac_connection*);
void plac_connection_subscribe_zones(plac_connection*);

#endif