/**
 * SPDX license identifier: MPL-2.0
 *
 * Copyright (C) 2012, BMW AG
 *
 * This file is part of GENIVI Project AudioManager.
 *
 * Contributions are licensed to the GENIVI Alliance under one or more
 * Contribution License Agreements.
 *
 * \copyright
 * 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/.
 *
 *
 * \author Aleksandar Donchev, aleksander.donchev@partner.bmw.de BMW 2013
 *
 * \file CAmDatabaseHandlerMap.h
 * For further information see http://www.genivi.org/.
 *
 */

#ifndef MAPHANDLER_H_
#define MAPHANDLER_H_

#include <stdint.h>
#include <limits.h>
#include <sstream>
#include <iostream>
#include <unordered_map>
#include <algorithm>
#include <assert.h>
#include <vector>
#include "IAmDatabaseHandler.h"

namespace am
{
#ifndef AM_MAP_CAPACITY
# define AM_MAP_CAPACITY 0
#endif

#ifndef AM_MAX_CONNECTIONS
# define AM_MAX_CONNECTIONS 0x1000
#endif

#ifndef AM_MAX_MAIN_CONNECTIONS
# define AM_MAX_MAIN_CONNECTIONS SHRT_MAX
#endif

// todo: check the enum values before entering & changing in the database.
// todo: change asserts for dynamic boundary checks into failure answers.#
// todo: check autoincrement boundary and set to 16bit limits
// todo: If the sink is part of a gateway, the listconnectionFormats is copied to the gatewayInformation. Check this statement for sinks & sources
// todo: exchange last_insert_row id to be more safe
// todo: create test to ensure uniqueness of names throughout the database
// todo: enforce the uniqueness of names

/**
 * This class handles and abstracts the database
 */
class CAmDatabaseHandlerMap : public IAmDatabaseHandler
{
    bool mFirstStaticSink;        //!< bool for dynamic range handling
    bool mFirstStaticSource;      //!< bool for dynamic range handling
    bool mFirstStaticGateway;     //!< bool for dynamic range handling
    bool mFirstStaticConverter;   //!< bool for dynamic range handling
    bool mFirstStaticSinkClass;   //!< bool for dynamic range handling
    bool mFirstStaticSourceClass; //!< bool for dynamic range handling
    bool mFirstStaticCrossfader;  //!< bool for dynamic range handling

public:
    CAmDatabaseHandlerMap();
    virtual ~CAmDatabaseHandlerMap();

    /**
     * Database observer.
     */
    struct AmDatabaseObserverCallbacks : public IAmDatabaseObserver
    {
    protected:
        std::function<void()> dboNumberOfSinkClassesChanged;
        std::function<void()> dboNumberOfSourceClassesChanged;
        std::function<void(const am_Sink_s &)> dboNewSink;
        std::function<void(const am_Source_s &)> dboNewSource;
        std::function<void(const am_Domain_s &)> dboNewDomain;
        std::function<void(const am_Gateway_s &)> dboNewGateway;
        std::function<void(const am_Converter_s &)> dboNewConverter;
        std::function<void(const am_Crossfader_s &)> dboNewCrossfader;
        std::function<void(const am_MainConnectionType_s &)> dboNewMainConnection;
        std::function<void(const am_mainConnectionID_t)> dboRemovedMainConnection;
        std::function<void(const am_sinkID_t, const bool)> dboRemovedSink;
        std::function<void(const am_sourceID_t, const bool)> dboRemovedSource;
        std::function<void(const am_domainID_t)> dboRemoveDomain;
        std::function<void(const am_gatewayID_t)> dboRemoveGateway;
        std::function<void(const am_converterID_t)> dboRemoveConverter;
        std::function<void(const am_crossfaderID_t)> dboRemoveCrossfader;
        std::function<void(const am_mainConnectionID_t, const am_ConnectionState_e)> dboMainConnectionStateChanged;
        std::function<void(const am_sinkID_t, const am_MainSoundProperty_s &)> dboMainSinkSoundPropertyChanged;
        std::function<void(const am_sinkID_t, const std::vector<am_MainSoundProperty_s> &)> dboMainSinkSoundPropertiesChanged;
        std::function<void(const am_sourceID_t, const am_MainSoundProperty_s &)> dboMainSourceSoundPropertyChanged;
        std::function<void(const am_sourceID_t, const std::vector<am_MainSoundProperty_s> &)> dboMainSourceSoundPropertiesChanged;
        std::function<void(const am_sinkID_t, const am_Availability_s &)> dboSinkAvailabilityChanged;
        std::function<void(const am_sourceID_t, const am_Availability_s &)> dboSourceAvailabilityChanged;
        std::function<void(const am_sinkID_t, const am_mainVolume_t)> dboVolumeChanged;
        std::function<void(const am_sinkID_t, const am_MuteState_e)> dboSinkMuteStateChanged;
        std::function<void(const am_SystemProperty_s &)>dboSystemPropertyChanged;
        std::function<void(const std::vector<am_SystemProperty_s> &)>dboSystemPropertiesChanged;
        std::function<void(const am_mainConnectionID_t, const am_timeSync_t)>dboTimingInformationChanged;
        std::function<void(const am_sinkID_t, const am_sinkClass_t, const std::vector<am_MainSoundProperty_s> &, const bool)>dboSinkUpdated;
        std::function<void(const am_sourceID_t, const am_sourceClass_t, const std::vector<am_MainSoundProperty_s> &, const bool)>dboSourceUpdated;
        std::function<void(const am_sinkID_t, const am_NotificationConfiguration_s)> dboSinkMainNotificationConfigurationChanged;
        std::function<void(const am_sourceID_t, const am_NotificationConfiguration_s)> dboSourceMainNotificationConfigurationChanged;
    public:
        friend class CAmDatabaseHandlerMap;
        AmDatabaseObserverCallbacks()
            : IAmDatabaseObserver()
            , mpDatabaseHandler(nullptr) {}
        virtual ~AmDatabaseObserverCallbacks(){ if (mpDatabaseHandler) {mpDatabaseHandler->unregisterObserver(this);}}
    protected:
        CAmDatabaseHandlerMap *mpDatabaseHandler;

    };

    am_Error_e enterDomainDB(const am_Domain_s &domainData, am_domainID_t &domainID);
    am_Error_e enterMainConnectionDB(const am_MainConnection_s &mainConnectionData, am_mainConnectionID_t &connectionID);
    am_Error_e enterSinkDB(const am_Sink_s &sinkData, am_sinkID_t &sinkID);
    am_Error_e enterCrossfaderDB(const am_Crossfader_s &crossfaderData, am_crossfaderID_t &crossfaderID);
    am_Error_e enterGatewayDB(const am_Gateway_s &gatewayData, am_gatewayID_t &gatewayID);
    am_Error_e enterConverterDB(const am_Converter_s &converterData, am_converterID_t &converterID);
    am_Error_e enterSourceDB(const am_Source_s &sourceData, am_sourceID_t &sourceID);
    am_Error_e enterConnectionDB(const am_Connection_s &connection, am_connectionID_t &connectionID);
    am_Error_e enterSinkClassDB(const am_SinkClass_s &sinkClass, am_sinkClass_t &sinkClassID);
    am_Error_e enterSourceClassDB(am_sourceClass_t &sourceClassID, const am_SourceClass_s &sourceClass);
    am_Error_e enterSystemProperties(const std::vector<am_SystemProperty_s> &listSystemProperties);
    am_Error_e changeMainConnectionRouteDB(const am_mainConnectionID_t mainconnectionID, const std::vector<am_connectionID_t> &listConnectionID);
    am_Error_e changeMainConnectionStateDB(const am_mainConnectionID_t mainconnectionID, const am_ConnectionState_e connectionState);
    am_Error_e changeSinkMainVolumeDB(const am_mainVolume_t mainVolume, const am_sinkID_t sinkID);
    am_Error_e changeSinkAvailabilityDB(const am_Availability_s &availability, const am_sinkID_t sinkID);
    am_Error_e changeDomainStateDB(const am_DomainState_e domainState, const am_domainID_t domainID);
    am_Error_e changeSinkMuteStateDB(const am_MuteState_e muteState, const am_sinkID_t sinkID);
    am_Error_e changeMainSinkSoundPropertyDB(const am_MainSoundProperty_s &soundProperty, const am_sinkID_t sinkID);
    am_Error_e changeMainSinkSoundPropertiesDB(const std::vector<am_MainSoundProperty_s> &listSoundProperties, const am_sinkID_t sinkID);
    am_Error_e changeMainSourceSoundPropertyDB(const am_MainSoundProperty_s &soundProperty, const am_sourceID_t sourceID);
    am_Error_e changeMainSourceSoundPropertiesDB(const std::vector<am_MainSoundProperty_s> &listSoundProperties, const am_sourceID_t sourceID);
    am_Error_e changeSourceSoundPropertyDB(const am_SoundProperty_s &soundProperty, const am_sourceID_t sourceID);
    am_Error_e changeSinkSoundPropertyDB(const am_SoundProperty_s &soundProperty, const am_sinkID_t sinkID);
    am_Error_e changeSourceAvailabilityDB(const am_Availability_s &availability, const am_sourceID_t sourceID);
    am_Error_e changeSystemPropertyDB(const am_SystemProperty_s &property);
    am_Error_e changeSystemPropertiesDB(const std::vector<am_SystemProperty_s> &listSystemProperties);
    am_Error_e changeDelayMainConnection(const am_timeSync_t &delay, const am_mainConnectionID_t &connectionID);
    am_Error_e changeSinkClassInfoDB(const am_SinkClass_s &sinkClass);
    am_Error_e changeSourceClassInfoDB(const am_SourceClass_s &sourceClass);
    am_Error_e changeConnectionTimingInformation(const am_connectionID_t connectionID, const am_timeSync_t delay);
    am_Error_e changeConnectionFinal(const am_connectionID_t connectionID);
    am_Error_e changeSourceState(const am_sourceID_t sourceID, const am_SourceState_e sourceState);
    am_Error_e changeSourceInterruptState(const am_sourceID_t sourceID, const am_InterruptState_e interruptState);
    am_Error_e changeSinkVolume(const am_sinkID_t sinkID, const am_volume_t volume);
    am_Error_e changeSourceVolume(const am_sourceID_t sourceID, const am_volume_t volume);
    am_Error_e changeCrossFaderHotSink(const am_crossfaderID_t crossfaderID, const am_HotSink_e hotsink);
    am_Error_e removeMainConnectionDB(const am_mainConnectionID_t mainConnectionID);
    am_Error_e removeSinkDB(const am_sinkID_t sinkID);
    am_Error_e removeSourceDB(const am_sourceID_t sourceID);
    am_Error_e removeGatewayDB(const am_gatewayID_t gatewayID);
    am_Error_e removeConverterDB(const am_converterID_t converterID);
    am_Error_e removeCrossfaderDB(const am_crossfaderID_t crossfaderID);
    am_Error_e removeDomainDB(const am_domainID_t domainID);
    am_Error_e removeSinkClassDB(const am_sinkClass_t sinkClassID);
    am_Error_e removeSourceClassDB(const am_sourceClass_t sourceClassID);
    am_Error_e removeConnection(const am_connectionID_t connectionID);
    am_Error_e getSourceClassInfoDB(const am_sourceID_t sourceID, am_SourceClass_s &classInfo) const;
    am_Error_e getSinkClassInfoDB(const am_sinkID_t sinkID, am_SinkClass_s &sinkClass) const;
    am_Error_e getGatewayInfoDB(const am_gatewayID_t gatewayID, am_Gateway_s &gatewayData) const;
    am_Error_e getConverterInfoDB(const am_converterID_t converterID, am_Converter_s &converterData) const;
    am_Error_e getSinkInfoDB(const am_sinkID_t sinkID, am_Sink_s &sinkData) const;
    am_Error_e getSourceInfoDB(const am_sourceID_t sourceID, am_Source_s &sourceData) const;
    am_Error_e getCrossfaderInfoDB(const am_crossfaderID_t crossfaderID, am_Crossfader_s &crossfaderData) const;
    am_Error_e getConnectionInfoDB(const am_connectionID_t connectionID, am_Connection_s &connectionData) const;
    am_Error_e getMainConnectionInfoDB(const am_mainConnectionID_t mainConnectionID, am_MainConnection_s &mainConnectionData) const;
    am_Error_e getSinkMainVolume(const am_sinkID_t sinkID, am_mainVolume_t &mainVolume) const;
    am_Error_e getSinkVolume(const am_sinkID_t sinkID, am_volume_t &volume) const;
    am_Error_e getSourceVolume(const am_sourceID_t sourceID, am_volume_t &volume) const;
    am_Error_e getSinkSoundPropertyValue(const am_sinkID_t sinkID, const am_CustomSoundPropertyType_t propertyType, int16_t &value) const;
    am_Error_e getSourceSoundPropertyValue(const am_sourceID_t sourceID, const am_CustomSoundPropertyType_t propertyType, int16_t &value) const;
    am_Error_e getMainSinkSoundPropertyValue(const am_sinkID_t sinkID, const am_CustomMainSoundPropertyType_t propertyType, int16_t &value) const;
    am_Error_e getMainSourceSoundPropertyValue(const am_sourceID_t sourceID, const am_CustomMainSoundPropertyType_t propertyType, int16_t &value) const;
    am_Error_e getListSinkSoundProperties(const am_sinkID_t sinkID, std::vector<am_SoundProperty_s> &listSoundproperties) const;
    am_Error_e getListSourceSoundProperties(const am_sourceID_t sourceID, std::vector<am_SoundProperty_s> &listSoundproperties) const;
    am_Error_e getListSinksOfDomain(const am_domainID_t domainID, std::vector<am_sinkID_t> &listSinkID) const;
    am_Error_e getListSourcesOfDomain(const am_domainID_t domainID, std::vector<am_sourceID_t> &listSourceID) const;
    am_Error_e getListCrossfadersOfDomain(const am_domainID_t domainID, std::vector<am_crossfaderID_t> &listGatewaysID) const;
    am_Error_e getListGatewaysOfDomain(const am_domainID_t domainID, std::vector<am_gatewayID_t> &listGatewaysID) const;
    am_Error_e getListConvertersOfDomain(const am_domainID_t domainID, std::vector<am_converterID_t> &listConvertersID) const;
    am_Error_e getListMainConnections(std::vector<am_MainConnection_s> &listMainConnections) const;
    am_Error_e getListDomains(std::vector<am_Domain_s> &listDomains) const;
    am_Error_e getListConnections(std::vector<am_Connection_s> &listConnections) const;
    am_Error_e getListConnectionsReserved(std::vector<am_Connection_s> &listConnections) const;
    am_Error_e getListSinks(std::vector<am_Sink_s> &listSinks) const;
    am_Error_e getListSources(std::vector<am_Source_s> &lisSources) const;
    am_Error_e getListSourceClasses(std::vector<am_SourceClass_s> &listSourceClasses) const;
    am_Error_e getListCrossfaders(std::vector<am_Crossfader_s> &listCrossfaders) const;
    am_Error_e getListGateways(std::vector<am_Gateway_s> &listGateways) const;
    am_Error_e getListConverters(std::vector<am_Converter_s> &listConverters) const;
    am_Error_e getListSinkClasses(std::vector<am_SinkClass_s> &listSinkClasses) const;
    am_Error_e getListVisibleMainConnections(std::vector<am_MainConnectionType_s> &listConnections) const;
    am_Error_e getListMainSinks(std::vector<am_SinkType_s> &listMainSinks) const;
    am_Error_e getListMainSources(std::vector<am_SourceType_s> &listMainSources) const;
    am_Error_e getListMainSinkSoundProperties(const am_sinkID_t sinkID, std::vector<am_MainSoundProperty_s> &listSoundProperties) const;
    am_Error_e getListMainSourceSoundProperties(const am_sourceID_t sourceID, std::vector<am_MainSoundProperty_s> &listSourceProperties) const;
    am_Error_e getListSystemProperties(std::vector<am_SystemProperty_s> &listSystemProperties) const;
    am_Error_e getListSinkConnectionFormats(const am_sinkID_t sinkID, std::vector<am_CustomAvailabilityReason_t> &listConnectionFormats) const;
    am_Error_e getListSourceConnectionFormats(const am_sourceID_t sourceID, std::vector<am_CustomAvailabilityReason_t> &listConnectionFormats) const;
    am_Error_e getListGatewayConnectionFormats(const am_gatewayID_t gatewayID, std::vector<bool> &listConnectionFormat) const;
    am_Error_e getTimingInformation(const am_mainConnectionID_t mainConnectionID, am_timeSync_t &delay) const;
    am_Error_e getDomainOfSource(const am_sourceID_t sourceID, am_domainID_t &domainID) const;
    am_Error_e getDomainOfSink(const am_sinkID_t sinkID, am_domainID_t &domainID) const;
    am_Error_e getDomainOfCrossfader(const am_converterID_t crossfader, am_domainID_t &domainID) const;
    am_Error_e getSoureState(const am_sourceID_t sourceID, am_SourceState_e &sourceState) const;
    am_Error_e getDomainState(const am_domainID_t domainID, am_DomainState_e &state) const;
    am_Error_e peekDomain(const std::string &name, am_domainID_t &domainID);
    am_Error_e peekSink(const std::string &name, am_sinkID_t &sinkID);
    am_Error_e peekSource(const std::string &name, am_sourceID_t &sourceID);
    am_Error_e peekSinkClassID(const std::string &name, am_sinkClass_t &sinkClassID);
    am_Error_e peekSourceClassID(const std::string &name, am_sourceClass_t &sourceClassID);
    am_Error_e changeSourceDB(const am_sourceID_t sourceID, const am_sourceClass_t sourceClassID, const std::vector<am_SoundProperty_s> &listSoundProperties, const std::vector<am_CustomAvailabilityReason_t> &listConnectionFormats, const std::vector<am_MainSoundProperty_s> &listMainSoundProperties);
    am_Error_e changeSinkDB(const am_sinkID_t sinkID, const am_sinkClass_t sinkClassID, const std::vector<am_SoundProperty_s> &listSoundProperties, const std::vector<am_CustomAvailabilityReason_t> &listConnectionFormats, const std::vector<am_MainSoundProperty_s> &listMainSoundProperties);
    am_Error_e getListMainSinkNotificationConfigurations(const am_sinkID_t sinkID, std::vector<am_NotificationConfiguration_s> &listMainNotificationConfigurations);
    am_Error_e getListMainSourceNotificationConfigurations(const am_sourceID_t sourceID, std::vector<am_NotificationConfiguration_s> &listMainNotificationConfigurations);
    am_Error_e changeMainSinkNotificationConfigurationDB(const am_sinkID_t sinkID, const am_NotificationConfiguration_s mainNotificationConfiguration);
    am_Error_e changeMainSourceNotificationConfigurationDB(const am_sourceID_t sourceID, const am_NotificationConfiguration_s mainNotificationConfiguration);
    am_Error_e changeGatewayDB(const am_gatewayID_t gatewayID, const std::vector<am_CustomAvailabilityReason_t> &listSourceConnectionFormats, const std::vector<am_CustomAvailabilityReason_t> &listSinkConnectionFormats, const std::vector<bool> &convertionMatrix);
    am_Error_e changeConverterDB(const am_converterID_t converterID, const std::vector<am_CustomConnectionFormat_t> &listSourceConnectionFormats, const std::vector<am_CustomConnectionFormat_t> &listSinkConnectionFormats, const std::vector<bool> &convertionMatrix);
    am_Error_e changeSinkNotificationConfigurationDB(const am_sinkID_t sinkID, const am_NotificationConfiguration_s notificationConfiguration);
    am_Error_e changeSourceNotificationConfigurationDB(const am_sourceID_t sourceID, const am_NotificationConfiguration_s notificationConfiguration);

    bool existMainConnection(const am_mainConnectionID_t mainConnectionID) const;
    bool existCrossFader(const am_crossfaderID_t crossfaderID) const;
    bool existConnection(const am_Connection_s &connection) const;
    bool existConnectionID(const am_connectionID_t connectionID) const;
    bool existSource(const am_sourceID_t sourceID) const;
    bool existSourceNameOrID(const am_sourceID_t sourceID, const std::string &name) const;
    bool existSourceName(const std::string &name) const;
    bool existSink(const am_sinkID_t sinkID) const;
    bool existSinkNameOrID(const am_sinkID_t sinkID, const std::string &name) const;
    bool existSinkName(const std::string &name) const;
    bool existDomain(const am_domainID_t domainID) const;
    bool existGateway(const am_gatewayID_t gatewayID) const;
    bool existConverter(const am_converterID_t converterID) const;
    bool existSinkClass(const am_sinkClass_t sinkClassID) const;
    bool existSourceClass(const am_sourceClass_t sourceClassID) const;
    bool sourceVisible(const am_sourceID_t sourceID) const;
    bool sinkVisible(const am_sinkID_t sinkID) const;
    bool isComponentConnected(const am_Gateway_s &gateway) const;
    bool isComponentConnected(const am_Converter_s &converter) const;
    void dump(std::ostream &output) const;
    am_Error_e enumerateSources(std::function<void(const am_Source_s &element)> cb) const;
    am_Error_e enumerateSinks(std::function<void(const am_Sink_s &element)> cb) const;
    am_Error_e enumerateGateways(std::function<void(const am_Gateway_s &element)> cb) const;
    am_Error_e enumerateConverters(std::function<void(const am_Converter_s &element)> cb) const;

    bool registerObserver(IAmDatabaseObserver *iObserver);
    bool unregisterObserver(IAmDatabaseObserver *iObserver);
    unsigned countObservers();

    /**
     * The following structures extend the base structures with the field 'reserved'.
     */
#define AM_SUBCLASS(TYPE, SUBCLASS, CLASS, MEMBER, ASSIGN) \
    typedef struct SUBCLASS : public CLASS                 \
    {                                                      \
        MEMBER                                             \
        bool reserved;                                     \
        SUBCLASS() : CLASS(), reserved(false) {}           \
        SUBCLASS &operator=(const SUBCLASS &anObject)      \
        {                                                  \
            if (this != &anObject)                         \
            {                                              \
                CLASS::operator=(anObject);                \
                reserved = anObject.reserved;              \
                ASSIGN                                     \
            }                                              \
            return *this;                                  \
        }                                                  \
        SUBCLASS &operator=(const CLASS &anObject)         \
        {                                                  \
            if (this != &anObject) {                       \
                CLASS::operator=(anObject);}               \
            return *this;                                  \
        }                                                  \
        void getDescription(std::string &outString) const; \
    } TYPE                                                 \

#define AM_SUBLCASS_ADD_MAP_TYPE(TYPE, NAME) std::unordered_map<TYPE, int16_t> NAME;
#define AM_SUBLCASS_ADD_ASSIGNMENT(NAME)     NAME = anObject.NAME;

private:
    AM_SUBCLASS(AmDomain, am_Domain_Database_s, am_Domain_s, , );

    AM_SUBCLASS(AmSink, am_Sink_Database_s, am_Sink_s,                                        \
        void getSinkType(am_SinkType_s & sinkType) const;                                     \
        AM_SUBLCASS_ADD_MAP_TYPE(am_CustomSoundPropertyType_t, cacheSoundProperties)          \
        AM_SUBLCASS_ADD_MAP_TYPE(am_CustomMainSoundPropertyType_t, cacheMainSoundProperties), \
        AM_SUBLCASS_ADD_ASSIGNMENT(cacheSoundProperties)                                      \
        AM_SUBLCASS_ADD_ASSIGNMENT(cacheMainSoundProperties));

    AM_SUBCLASS(AmSource, am_Source_Database_s, am_Source_s,
        void getSourceType(am_SourceType_s & sourceType) const;                               \
        AM_SUBLCASS_ADD_MAP_TYPE(am_CustomSoundPropertyType_t, cacheSoundProperties)          \
        AM_SUBLCASS_ADD_MAP_TYPE(am_CustomMainSoundPropertyType_t, cacheMainSoundProperties), \
        AM_SUBLCASS_ADD_ASSIGNMENT(cacheSoundProperties)                                      \
        AM_SUBLCASS_ADD_ASSIGNMENT(cacheMainSoundProperties));

    AM_SUBCLASS(AmConnection, am_Connection_Database_s, am_Connection_s, , );

    AM_SUBCLASS(AmMainConnection, am_MainConnection_Database_s, am_MainConnection_s,
        void getMainConnectionType(am_MainConnectionType_s & connectionType) const;
        , );

    AM_SUBCLASS(AmSourceClass, am_SourceClass_Database_s, am_SourceClass_s, , );

    AM_SUBCLASS(AmSinkClass, am_SinkClass_Database_s, am_SinkClass_s, , );

    AM_SUBCLASS(AmGateway, am_Gateway_Database_s, am_Gateway_s, , );

    AM_SUBCLASS(AmConverter, am_Converter_Database_s, am_Converter_s, , );

    AM_SUBCLASS(AmCrossfader, am_Crossfader_Database_s, am_Crossfader_s, , );

    typedef std::unordered_map<am_domainID_t, AmDomain>                 AmMapDomain;
    typedef std::unordered_map<am_sourceClass_t, AmSourceClass>         AmMapSourceClass;
    typedef std::unordered_map<am_sinkClass_t, AmSinkClass>             AmMapSinkClass;
    typedef std::unordered_map<am_sinkID_t, AmSink>                     AmMapSink;
    typedef std::unordered_map<am_sourceID_t, AmSource>                 AmMapSource;
    typedef std::unordered_map<am_gatewayID_t, AmGateway>               AmMapGateway;
    typedef std::unordered_map<am_converterID_t, AmConverter>           AmMapConverter;
    typedef std::unordered_map<am_crossfaderID_t, AmCrossfader>         AmMapCrossfader;
    typedef std::unordered_map<am_connectionID_t, AmConnection>         AmMapConnection;
    typedef std::unordered_map<am_mainConnectionID_t, AmMainConnection> AmMapMainConnection;
    typedef std::vector<am_SystemProperty_s>                            AmVectorSystemProperties;
    /**
     * The following structure groups the map objects needed for the implementation.
     * Every map object is coupled with an identifier, which hold the current value.
     * DYNAMIC_ID_BOUNDARY is used as initial value everywhere a dynamic id is considered .
     * The IDs can be increased through the method increaseID(...), which follows the AudioManager logic.
     * For more information about the static and dynamic IDs, please see the documentation.
     */
    struct AmMappedData
    {
        /**
         * The structure encapsulates the id boundary and the current id value.
         * It defines a range within the id can vary.
         */
        struct AmIdentifier
        {
            int16_t mMin;           //!< min possible value
            int16_t mMax;           //!< max possible value
            int16_t mCurrentValue;  //!< current value

            AmIdentifier()
                : mMin(DYNAMIC_ID_BOUNDARY)
                , mMax(SHRT_MAX)
                , mCurrentValue(mMin){}
            AmIdentifier(const int16_t &min, const int16_t &max)
                : mMin(min)
                , mMax(max)
                , mCurrentValue(mMin){assert(min < max);}
        };

        AmIdentifier mCurrentDomainID;          //!< domain ID
        AmIdentifier mCurrentSourceClassesID;   //!< source classes ID
        AmIdentifier mCurrentSinkClassesID;     //!< sink classes ID
        AmIdentifier mCurrentSinkID;            //!< sink ID
        AmIdentifier mCurrentSourceID;          //!< source ID
        AmIdentifier mCurrentGatewayID;         //!< gateway ID
        AmIdentifier mCurrentConverterID;       //!< converter ID
        AmIdentifier mCurrentCrossfaderID;      //!< crossfader ID
        AmIdentifier mCurrentConnectionID;      //!< connection ID
        AmIdentifier mCurrentMainConnectionID;  //!< mainconnection ID

        AmVectorSystemProperties mSystemProperties; //!< vector with system properties
        AmMapDomain mDomainMap;                     //!< map for domain structures
        AmMapSourceClass mSourceClassesMap;         //!< map for source classes structures
        AmMapSinkClass mSinkClassesMap;             //!< map for sink classes structures
        AmMapSink mSinkMap;                         //!< map for sink structures
        AmMapSource mSourceMap;                     //!< map for source structures
        AmMapGateway mGatewayMap;                   //!< map for gateway structures
        AmMapConverter mConverterMap;               //!< map for converter structures
        AmMapCrossfader mCrossfaderMap;             //!< map for crossfader structures
        AmMapConnection mConnectionMap;             //!< map for connection structures
        AmMapMainConnection mMainConnectionMap;     //!< map for main connection structures

        AmMappedData() : // For Domain, MainConnections, Connections we don't have static IDs.
            mCurrentDomainID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentSourceClassesID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentSinkClassesID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentSinkID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentSourceID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentGatewayID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentConverterID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentCrossfaderID(DYNAMIC_ID_BOUNDARY, SHRT_MAX)
            , mCurrentConnectionID(1, AM_MAX_CONNECTIONS)
            , mCurrentMainConnectionID(1, AM_MAX_MAIN_CONNECTIONS)
            , mSystemProperties()
            , mDomainMap()
            , mSourceClassesMap()
            , mSinkClassesMap()
            , mSinkMap(AM_MAP_CAPACITY)
            , mSourceMap(AM_MAP_CAPACITY)
            , mGatewayMap()
            , mConverterMap()
            , mCrossfaderMap()
            , mConnectionMap()
            , mMainConnectionMap()
        {}
        /**
         * \brief Increases a given map ID.
         *
         * A common method implementing the logic for static and dynamic IDs except main connection ID.
         *
         * @param resultID Pointer to an output variable.
         * @param elementID Pointer to ID, which will be manipulated.
         * @param desiredStaticID Not 0 for static IDs and 0 for dynamic IDs.
         *                        Usually the static IDs are in interval [1 , DYNAMIC_ID_BOUNDARY-1]. Default is 0.
         * @return TRUE on successfully changed ID.
         */
        bool increaseID(int16_t &resultID, AmIdentifier &elementID, int16_t const desiredStaticID);

        /**
         * \brief Increases the main connection ID.
         *
         * @param resultID Pointer to an output variable.
         * @return TRUE on successfully changed ID.
         */
        bool increaseMainConnectionID(int16_t &resultID);

        /**
         * \brief Increases the connection ID.
         *
         * @param resultID Pointer to an output variable.
         * @return TRUE on successfully changed ID.
         */
        bool increaseConnectionID(int16_t &resultID);

        template <class TPrintObject>
        static void print(const TPrintObject &t, std::ostream &output)
        {
            std::string description;
            t.getDescription(description);
            output << description;
        }

        template <typename TPrintMapKey, class TPrintMapObject>
        static void printMap(const std::unordered_map<TPrintMapKey, TPrintMapObject> &t, std::ostream &output)
        {
            typename std::unordered_map<TPrintMapKey, TPrintMapObject>::const_iterator iter = t.begin();
            for (; iter != t.end(); iter++)
            {
                AmMappedData::print(iter->second, output);
            }
        }

    private:
        template <typename TMapKey, class TMapObject>
        bool getNextConnectionID(int16_t &resultID, AmIdentifier &connID,
            const std::unordered_map<TMapKey, TMapObject> &map);

    };

    /*
     * Helper methods.
     */
    am_timeSync_t calculateMainConnectionDelay(const am_mainConnectionID_t mainConnectionID) const; //!< calculates a new main connection delay
    int16_t calculateDelayForRoute(const std::vector<am_connectionID_t> &listConnectionID);
    bool insertSinkDB(const am_Sink_s &sinkData, am_sinkID_t &sinkID);
    bool insertCrossfaderDB(const am_Crossfader_s &crossfaderData, am_crossfaderID_t &crossfaderID);
    bool insertGatewayDB(const am_Gateway_s &gatewayData, am_gatewayID_t &gatewayID);
    bool insertConverterDB(const am_Converter_s &converteData, am_converterID_t &converterID);
    bool insertSourceDB(const am_Source_s &sourceData, am_sourceID_t &sourceID);
    bool insertSinkClassDB(const am_SinkClass_s &sinkClass, am_sinkClass_t &sinkClassID);
    bool insertSourceClassDB(am_sourceClass_t &sourceClassID, const am_SourceClass_s &sourceClass);
    const am_Sink_Database_s *sinkWithNameOrID(const am_sinkID_t sinkID, const std::string &name) const;
    const am_Source_Database_s *sourceWithNameOrID(const am_sourceID_t sourceID, const std::string &name) const;

    template <class Component>
    bool isConnected(const Component &comp) const
    {
        return std::find_if(mMappedData.mConnectionMap.begin(), mMappedData.mConnectionMap.end(), [&](const std::pair<am_connectionID_t, am_Connection_Database_s> &rConnection){
                return (rConnection.second.sinkID == comp.sinkID || rConnection.second.sourceID == comp.sourceID);
            }) != mMappedData.mConnectionMap.end();
    }

    void filterDuplicateNotificationConfigurationTypes(std::vector<am_NotificationConfiguration_s> &list)
    {
        std::vector<am_NotificationConfiguration_s> oldList(list);
        list.clear();
        std::for_each(oldList.begin(), oldList.end(), [&](am_NotificationConfiguration_s &provided) {
                std::vector<am_NotificationConfiguration_s>::iterator found =
                    std::find_if(list.begin(), list.end(), [&](am_NotificationConfiguration_s &stored) {
                            if (provided.type == stored.type)
                            {
                                stored = provided;
                                return true;
                            }

                            return false;
                        });
                if (found == list.end())
                {
                    list.push_back(provided);
                }
            });
    }

    ListConnectionFormat mListConnectionFormat; //!< list of connection formats
    AmMappedData         mMappedData;           //!< Internal structure encapsulating all the maps used in this class
    std::vector<AmDatabaseObserverCallbacks *> mDatabaseObservers;

#ifdef UNIT_TEST
public:
    void setConnectionIDRange(const int16_t &min, const int16_t &max)
    {
        mMappedData.mCurrentConnectionID.mMin = min;
        mMappedData.mCurrentConnectionID.mMax = max;
    }

    void setMainConnectionIDRange(const int16_t &min, const int16_t &max)
    {
        mMappedData.mCurrentMainConnectionID.mMin = min;
        mMappedData.mCurrentMainConnectionID.mMax = max;
    }

    void setSinkIDRange(const int16_t &min, const int16_t &max)
    {
        mMappedData.mCurrentSinkID.mMin = min;
        mMappedData.mCurrentSinkID.mMax = max;
    }
#endif  // ifdef UNIT_TEST
};

}

#endif /* MAPHANDLER_H_ */