/*************************************************************************/
/*  webrtc_peer_connection_js.h                                          */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* 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 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.                */
/*************************************************************************/

#ifndef WEBRTC_PEER_CONNECTION_JS_H
#define WEBRTC_PEER_CONNECTION_JS_H

#ifdef JAVASCRIPT_ENABLED

#include "webrtc_peer_connection.h"

extern "C" {
typedef void (*RTCOnIceConnectionStateChange)(void *p_obj, int p_state);
typedef void (*RTCOnIceCandidate)(void *p_obj, const char *p_mid, int p_mline_idx, const char *p_candidate);
typedef void (*RTCOnDataChannel)(void *p_obj, int p_id);
typedef void (*RTCOnSession)(void *p_obj, const char *p_type, const char *p_sdp);
typedef void (*RTCOnError)(void *p_obj);
extern int godot_js_rtc_pc_create(const char *p_config, void *p_obj, RTCOnIceConnectionStateChange p_on_state_change, RTCOnIceCandidate p_on_candidate, RTCOnDataChannel p_on_datachannel);
extern void godot_js_rtc_pc_close(int p_id);
extern void godot_js_rtc_pc_destroy(int p_id);
extern void godot_js_rtc_pc_offer_create(int p_id, void *p_obj, RTCOnSession p_on_session, RTCOnError p_on_error);
extern void godot_js_rtc_pc_local_description_set(int p_id, const char *p_type, const char *p_sdp, void *p_obj, RTCOnError p_on_error);
extern void godot_js_rtc_pc_remote_description_set(int p_id, const char *p_type, const char *p_sdp, void *p_obj, RTCOnSession p_on_session, RTCOnError p_on_error);
extern void godot_js_rtc_pc_ice_candidate_add(int p_id, const char *p_mid_name, int p_mline_idx, const char *p_sdo);
extern int godot_js_rtc_pc_datachannel_create(int p_id, const char *p_label, const char *p_config);
}

class WebRTCPeerConnectionJS : public WebRTCPeerConnection {

private:
	int _js_id;
	ConnectionState _conn_state;

	static void _on_connection_state_changed(void *p_obj, int p_state);
	static void _on_ice_candidate(void *p_obj, const char *p_mid_name, int p_mline_idx, const char *p_candidate);
	static void _on_data_channel(void *p_obj, int p_channel);
	static void _on_session_created(void *p_obj, const char *p_type, const char *p_session);
	static void _on_error(void *p_obj);

public:
	static WebRTCPeerConnection *_create() { return memnew(WebRTCPeerConnectionJS); }
	static void make_default() { WebRTCPeerConnection::_create = WebRTCPeerConnectionJS::_create; }

	virtual ConnectionState get_connection_state() const;

	virtual Error initialize(Dictionary configuration = Dictionary());
	virtual Ref<WebRTCDataChannel> create_data_channel(String p_channel_name, Dictionary p_channel_config = Dictionary());
	virtual Error create_offer();
	virtual Error set_remote_description(String type, String sdp);
	virtual Error set_local_description(String type, String sdp);
	virtual Error add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName);
	virtual Error poll();
	virtual void close();

	WebRTCPeerConnectionJS();
	~WebRTCPeerConnectionJS();
};

#endif

#endif // WEBRTC_PEER_CONNECTION_JS_H