// Copyright © 2013 sss
//.
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#ifndef API_PROTOCOL_H
#define API_PROTOCOL_H


struct service_s
{
	struct cmd
	{
		std::string command, description;
	};
	std::string service;
	std::list<cmd> cmds;
};

enum packet_type {AUTH_REPLY, AUTH_REQUEST, SERVICES_REPLY, SERVICES_REQUEST, COMMAND_REPLY, COMMAND_REQUEST, UNKNOWN};

class packet
{
public:
	packet();
	packet(std::vector<unsigned char>&);
	const std::vector<unsigned char> &raw();
	packet_type get_type();
	bool is_good();
	bool is_server_packet();
	bool is_client_packet();
	bool assign(packet&);
	bool assign(std::vector<unsigned char>&);
private:
	std::vector<unsigned char> data;
};

//server functions
bool serv_validate_client_proto(packet&);

//client functions

packet cli_make_auth_packet(); //should be first packet to server
packet cli_make_command_packet(std::string &service, std::string &command);
packet cli_request_services();
std::list<service_s> cli_extract_services(packet&);
bool cli_check_auth_reply(packet&); //false on fail
std::string cli_parse_command_reply(packet&);


#endif