/**
	This file is a part of r0nk, atlas_moon, and 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_SESSION_HPP
#define MATRIX_SESSION_HPP

#include "matrix/client.hpp"
#include "matrix/syncer.hpp"
#include "matrix/session_info.hpp"
#include "matrix/auth.hpp"
#include "raii/curler.hpp"
#include "raii/string.hpp"
#include "matrix/connection.hpp"
#include <utility> //pair

namespace matrix{
	class session : protected connection
	{
	private:
		bool m_valid = false;
	public:
		session(void);
		session(const auth_data&);
		session(const session&) = default;
		session(session&&) = default;
		~session(void);

		session& operator=(const session&) = default;
		session& operator=(session&&) = default;

		void set_useragent(const raii::string_base&);
		void set_useragent(raii::string&&);
		void set_access_token(const raii::string_base&);
		void set_access_token(raii::string&&);
		void set_homeserver(const raii::string_base&);
		void set_homeserver(raii::string&&);

		bool login(void);
		bool login(const raii::string_base& username, const raii::string_base& pass);
		bool valid(void)const;

		client spawn_client(void)const;
		syncer spawn_syncer(void)const;

		void invalidate(void);
	private:
		bool _do_login(const raii::string_base& username, const raii::string_base& pass);
		void _populate_session_info(const auth_data& a);
		raii::rjp_string _get_userid(void);
		raii::string _request_access_token(const raii::string_base& name, const raii::string_base& pass, const raii::string_base& loginurl)const;
		std::pair<raii::rjp_string,raii::rjp_string> _get_new_access_token(const raii::string_base& name, const raii::string_base& pass, const raii::string_base& loginurl);
	};
}

#endif