// Copyright (C) 2013-2020 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#if !defined (COMMONAPI_INTERNAL_COMPILATION)
#error "Only <CommonAPI/CommonAPI.hpp> can be included directly, this file may disappear or change contents."
#endif

#ifndef COMMON_API_DBUS_ATTRIBUTE_EXTENSION_HPP_
#define COMMON_API_DBUS_ATTRIBUTE_EXTENSION_HPP_

#include <cstdint>
#include <functional>
#include <memory>

#include <CommonAPI/Event.hpp>
#include <CommonAPI/Types.hpp>

namespace CommonAPI {

template<typename AttributeType_>
class AttributeExtension {
 public:
    AttributeType_& getBaseAttribute() {
        return baseAttribute_;
    }

 protected:
    AttributeExtension() = delete;
    AttributeExtension(AttributeType_& baseAttribute): baseAttribute_(baseAttribute) {
    }

    AttributeType_& baseAttribute_;
};

template<template<typename ...> class ProxyType_, template<typename> class AttributeExtension_>
struct DefaultAttributeProxyHelper;

template<template<typename ...> class ProxyClass_, template<typename> class AttributeExtension_>
std::shared_ptr<
    typename DefaultAttributeProxyHelper<ProxyClass_, AttributeExtension_>::class_t
> createProxyWithDefaultAttributeExtension(
    const std::string &_domain, const std::string &_instance);

} // namespace CommonAPI

#endif // COMMON_API_DBUS_ATTRIBUTE_EXTENSION_HPP_