// Copyright (C) 2013-2015 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 COMMONAPI_DBUS_DBUS_DAEMON_PROXY_HPP_
#define COMMONAPI_DBUS_DBUS_DAEMON_PROXY_HPP_

#include <functional>
#include <string>
#include <vector>

#include <CommonAPI/Address.hpp>

#include <CommonAPI/DBus/DBusAttribute.hpp>
#include <CommonAPI/DBus/DBusEvent.hpp>
#include <CommonAPI/DBus/DBusProxyBase.hpp>

namespace CommonAPI {
namespace DBus {

class StaticInterfaceVersionAttribute: public InterfaceVersionAttribute {
 public:
    StaticInterfaceVersionAttribute(const uint32_t& majorValue, const uint32_t& minorValue);

    void getValue(CommonAPI::CallStatus& callStatus, Version &_version, const CommonAPI::CallInfo *_info) const;
    std::future<CommonAPI::CallStatus> getValueAsync(AttributeAsyncCallback _callback, const CommonAPI::CallInfo *_info);

 private:
    Version version_;
};


class DBusDaemonProxy : public DBusProxyBase {
 public:
	typedef Event<std::string, std::string, std::string> NameOwnerChangedEvent;

	typedef std::unordered_map<std::string, int> PropertyDictStub;
	typedef std::unordered_map<std::string, PropertyDictStub> InterfaceToPropertyDict;
	typedef std::unordered_map<std::string, InterfaceToPropertyDict> DBusObjectToInterfaceDict;

	typedef std::function<void(const CommonAPI::CallStatus&, std::vector<std::string>)> ListNamesAsyncCallback;
	typedef std::function<void(const CommonAPI::CallStatus&, bool)> NameHasOwnerAsyncCallback;
	typedef std::function<void(const CommonAPI::CallStatus&, DBusObjectToInterfaceDict)> GetManagedObjectsAsyncCallback;
	typedef std::function<void(const CommonAPI::CallStatus&, std::string)> GetNameOwnerAsyncCallback;

	COMMONAPI_EXPORT DBusDaemonProxy(const std::shared_ptr<DBusProxyConnection>& dbusConnection);
	COMMONAPI_EXPORT virtual ~DBusDaemonProxy() {}

	COMMONAPI_EXPORT virtual bool isAvailable() const;
	COMMONAPI_EXPORT virtual bool isAvailableBlocking() const;
	COMMONAPI_EXPORT virtual ProxyStatusEvent& getProxyStatusEvent();

	COMMONAPI_EXPORT virtual InterfaceVersionAttribute& getInterfaceVersionAttribute();

	COMMONAPI_EXPORT void init();

	COMMONAPI_EXPORT static const char* getInterfaceId();

	COMMONAPI_EXPORT NameOwnerChangedEvent& getNameOwnerChangedEvent();

	COMMONAPI_EXPORT void listNames(CommonAPI::CallStatus& callStatus, std::vector<std::string>& busNames) const;
	COMMONAPI_EXPORT std::future<CallStatus> listNamesAsync(ListNamesAsyncCallback listNamesAsyncCallback) const;

	COMMONAPI_EXPORT void nameHasOwner(const std::string& busName, CommonAPI::CallStatus& callStatus, bool& hasOwner) const;
	COMMONAPI_EXPORT std::future<CallStatus> nameHasOwnerAsync(const std::string& busName,
                                              NameHasOwnerAsyncCallback nameHasOwnerAsyncCallback) const;

	COMMONAPI_EXPORT std::future<CallStatus> getManagedObjectsAsync(const std::string& forDBusServiceName,
                                                   GetManagedObjectsAsyncCallback) const;

    /**
     * Get the unique connection/bus name of the primary owner of the name given
     *
     * @param busName Name to get the owner of
     * @param getNameOwnerAsyncCallback callback functor
     *
     * @return CallStatus::REMOTE_ERROR if the name is unknown, otherwise CallStatus::SUCCESS and the uniq name of the owner
     */
    std::future<CallStatus> getNameOwnerAsync(const std::string& busName, GetNameOwnerAsyncCallback getNameOwnerAsyncCallback) const;

 private:
    DBusEvent<NameOwnerChangedEvent, std::string, std::string, std::string> nameOwnerChangedEvent_;
    StaticInterfaceVersionAttribute interfaceVersionAttribute_;
};

} // namespace DBus
} // namespace CommonAPI

#endif // COMMONAPI_DBUS_DBUS_DAEMON_PROXY_HPP_