/**
	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_NETRETURN_HPP
#define MATRIX_NETRETURN_HPP

#include "raii/rjp_string.hpp"
#include <utility> //std::forward

namespace matrix{

	class netreturn_base
	{
	protected:
		raii::rjp_string m_error = {};
		raii::rjp_string m_errorcode = {};
		int m_http_error = 200;

	public:
		constexpr netreturn_base(void) = default;
		netreturn_base(const raii::rjp_string& error, const raii::rjp_string& errorcode, int httpstatus);
		netreturn_base(const raii::rjp_string& error, raii::rjp_string&& errorcode, int httpstatus);
		netreturn_base(raii::rjp_string&& error, const raii::rjp_string& errorcode, int httpstatus);
		netreturn_base(raii::rjp_string&& error, raii::rjp_string&& errorcode, int httpstatus);
		bool ok(void)const;
		const raii::rjp_string& mxerror(void)const;
		const raii::rjp_string& mxerrorcode(void)const;
		raii::rjp_string& mxerror(void);
		raii::rjp_string& mxerrorcode(void);
		int httpstatus(void)const;
		bool has_httperror(void)const;
	};
	template<class Retval>
	class netreturn : public netreturn_base
	{
	public:
		using value_type = Retval;
	private:
		Retval m_ret = {};
	public:
		constexpr netreturn(void) = default;
		template<class Str1, class Str2, class Val = Retval>
		netreturn(Str1&& error, Str2&& errorcode, int httpcode, Val&& val = Val()):
			netreturn_base(std::forward<Str1>(error), std::forward<Str2>(errorcode), httpcode),
			m_ret(std::forward<Val>(val)){}
		netreturn(netreturn_base&& n):
			netreturn_base(std::move(n)){}
		netreturn(const netreturn_base& n):
			netreturn_base(n){}
		Retval& value(void)&{
			return m_ret;
		}
		const Retval& value(void)const&{
			return m_ret;
		}
		Retval&& value(void)&&{
			return std::move(m_ret);
		}
	};
	template<>
	class netreturn<void> : public netreturn_base
	{
	public:
		using value_type = void;

	public:
		template<class Str1, class Str2>
		netreturn(Str1&& error, Str2&& errorcode, int httpcode):
			netreturn_base(std::forward<Str1>(error), std::forward<Str2>(errorcode), httpcode){}
		netreturn(netreturn_base&& n):
			netreturn_base(std::move(n)){}
		netreturn(const netreturn_base& n):
			netreturn_base(n){}
	};

}

#endif