/**
	This file is a part of rexy's matrix client
	Copyright (C) 2019 rexy712

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published by
	the Free Software Foundation, either version 3 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 Affero General Public License for more details.

	You should have received a copy of the GNU Affero General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef MATRIX_SYNCER_HPP
#define MATRIX_SYNCER_HPP

#include "raii/curler.hpp"
#include "raii/rjp_string.hpp"
#include "raii/string.hpp"
#include "matrix/session_info.hpp"
#include "matrix/connection.hpp"
#include "matrix/sync_response.hpp"
#include "matrix/netreturn.hpp"
#include <cstdlib> //size_t
#include <memory> //shared_ptr

namespace matrix{

	//Specialized class used for syncing up with homeserver.
	//Designed to be run on a dedicated thread.
	//Shares state with spawning session.
	class syncer : public connection
	{
	private:
		raii::rjp_string m_next_batch;   //string which tracks where we are in the server history

	public:
		syncer(const std::shared_ptr<session_info>&);

		//Copy and move ctor
		syncer(const syncer& b) = default;
		syncer(syncer&& b) = default;
		//Dtor
		~syncer(void) = default;

		//Copy and move assignment
		syncer& operator=(const syncer&) = default;
		syncer& operator=(syncer&&) = default;

		/*
			* Sync state with the homeserver. Will wait for up to timeout ms.
			* Returns: the raw json response from the homeserver.
		*/
		netreturn<sync::response> sync(size_t timeout);
	};
}

#endif