/*************************************************************************/
/*  webrtc_peer_js.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_JS_H
#define WEBRTC_PEER_JS_H

#ifdef JAVASCRIPT_ENABLED

#include "webrtc_peer.h"

class WebRTCPeerJS : public WebRTCPeer {

private:
	enum {
		PACKET_BUFFER_SIZE = 65536 - 5 // 4 bytes for the size, 1 for for type
	};

	bool _was_string;
	WriteMode _write_mode;

	int _js_id;
	RingBuffer<uint8_t> in_buffer;
	int queue_count;
	uint8_t packet_buffer[PACKET_BUFFER_SIZE];
	ConnectionState _conn_state;

public:
	static WebRTCPeer *_create() { return memnew(WebRTCPeerJS); }
	static void make_default() { WebRTCPeer::_create = WebRTCPeerJS::_create; }

	virtual void set_write_mode(WriteMode mode);
	virtual WriteMode get_write_mode() const;
	virtual bool was_string_packet() const;
	virtual ConnectionState get_connection_state() const;

	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();

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

	virtual int get_max_packet_size() const;

	void close();
	void _on_open();
	void _on_close();
	void _on_error();
	void _on_message(uint8_t *p_data, uint32_t p_size, bool p_is_string);

	WebRTCPeerJS();
	~WebRTCPeerJS();
};

#endif

#endif // WEBRTC_PEER_JS_H