/*
  This file is part of Ingen.
  Copyright 2007-2017 David Robillard <http://drobilla.net/>

  Ingen 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 any later version.

  Ingen 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 details.

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

#ifndef INGEN_MESSAGE_HPP
#define INGEN_MESSAGE_HPP

#include "ingen/Atom.hpp"
#include "ingen/Properties.hpp"
#include "ingen/Resource.hpp"
#include "ingen/Status.hpp"
#include "ingen/URI.hpp"
#include "raul/Path.hpp"

#include <cstdint>
#include <string>
#include <variant>

namespace ingen {

struct BundleBegin {
	int32_t seq;
};

struct BundleEnd {
	int32_t seq;
};

struct Connect {
	int32_t    seq;
	raul::Path tail;
	raul::Path head;
};

struct Copy {
	int32_t seq;
	URI     old_uri;
	URI     new_uri;
};

struct Del {
	int32_t seq;
	URI     uri;
};

struct Delta {
	int32_t         seq;
	URI             uri;
	Properties      remove;
	Properties      add;
	Resource::Graph ctx;
};

struct Disconnect {
	int32_t    seq;
	raul::Path tail;
	raul::Path head;
};

struct DisconnectAll {
	int32_t    seq;
	raul::Path graph;
	raul::Path path;
};

struct Error {
	int32_t     seq;
	std::string message;
};

struct Get {
	int32_t seq;
	URI     subject;
};

struct Move {
	int32_t    seq;
	raul::Path old_path;
	raul::Path new_path;
};

struct Put {
	int32_t         seq;
	URI             uri;
	Properties      properties;
	Resource::Graph ctx;
};

struct Redo {
	int32_t seq;
};

struct Response {
	int32_t     id;
	Status      status;
	std::string subject;
};

struct SetProperty {
	int32_t         seq;
	URI             subject;
	URI             predicate;
	Atom            value;
	Resource::Graph ctx;
};

struct Undo {
	int32_t seq;
};

using Message = std::variant<BundleBegin,
                             BundleEnd,
                             Connect,
                             Copy,
                             Del,
                             Delta,
                             Disconnect,
                             DisconnectAll,
                             Error,
                             Get,
                             Move,
                             Put,
                             Redo,
                             Response,
                             SetProperty,
                             Undo>;

} // namespace ingen

#endif // INGEN_MESSAGE_HPP