/**
	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_CONNECTION_HPP
#define MATRIX_CONNECTION_HPP

#include "raii/curler.hpp"
#include "raii/string.hpp"
#include "raii/rjp_string.hpp"
#include "matrix/session_info.hpp"
#include <memory> //shared_ptr

namespace matrix{

	//Base class of all interactive network classes.
	class connection
	{
	protected:
		mutable raii::curler m_curl;
		std::shared_ptr<internal::session_info> m_ses;
	protected:
		connection(const std::shared_ptr<internal::session_info>&);
		connection(const connection&) = default;
		connection(connection&&) = default;
		connection& operator=(const connection&) = default;
		connection& operator=(connection&&) = default;

	public:
		~connection(void) = default;

	/*
		* Returns: the http status code of the last operation performed.
	*/
	long http_status(void)const;

	protected:
		void _set_curl_useragent(const raii::string_base& useragent);
		static size_t _post_reply_curl_callback(char* ptr, size_t size, size_t nmemb, void* userdata);
		raii::string _get_curl(const raii::string_base& url)const;
		raii::string _post_curl(const raii::string_base& postdata, const raii::string_base& url, const raii::curl_llist& header)const;
		raii::string _put_curl(const raii::string_base& postdata, const raii::string_base& url, const raii::curl_llist& header)const;
		raii::rjp_string _post_and_find(const raii::string_base& data, const raii::string_base& url, const raii::curl_llist& header, const raii::string_base& target)const;
		raii::rjp_string _get_and_find(const raii::string_base& url, const raii::string_base& search)const;
		raii::rjp_string _curl_reply_search(const raii::string_base& reply, const raii::string_base& search)const;
		void _set_curl_defaults(const raii::string_base& useragent)const;
	};

}

#endif