/*************************************************************************/
/*  webrtc_peer.h                                                        */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifndef WEBRTC_PEER_H
#define WEBRTC_PEER_H

#include "core/io/packet_peer.h"

class WebRTCPeer : public PacketPeer {
	GDCLASS(WebRTCPeer, PacketPeer);

public:
	enum WriteMode {
		WRITE_MODE_TEXT,
		WRITE_MODE_BINARY,
	};

	enum ConnectionState {
		STATE_NEW,
		STATE_CONNECTING,
		STATE_CONNECTED,
		STATE_DISCONNECTED,
		STATE_FAILED,
		STATE_CLOSED
	};

protected:
	static void _bind_methods();
	static WebRTCPeer *(*_create)();

public:
	virtual void set_write_mode(WriteMode mode) = 0;
	virtual WriteMode get_write_mode() const = 0;
	virtual bool was_string_packet() const = 0;
	virtual ConnectionState get_connection_state() const = 0;

	virtual Error create_offer() = 0;
	virtual Error set_remote_description(String type, String sdp) = 0;
	virtual Error set_local_description(String type, String sdp) = 0;
	virtual Error add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) = 0;
	virtual Error poll() = 0;

	/** Inherited from PacketPeer: **/
	virtual int get_available_packet_count() const = 0;
	virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) = 0; ///< buffer is GONE after next get_packet
	virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) = 0;

	virtual int get_max_packet_size() const = 0;

	static Ref<WebRTCPeer> create_ref();
	static WebRTCPeer *create();

	WebRTCPeer();
	~WebRTCPeer();
};

VARIANT_ENUM_CAST(WebRTCPeer::WriteMode);
VARIANT_ENUM_CAST(WebRTCPeer::ConnectionState);
#endif // WEBRTC_PEER_H