/*
 * CustomParameters.cpp
 *
 *  Created on: 20 мая 2019 г.
 *      Author: titov
 */

#include "CustomParameters.hpp"


systemic::CustomParameters::CustomParameters(
        IParameterProvider * * providers, std::size_t size) :
        providers(providers), size(size) {}

bool systemic::CustomParameters::addProvider( IParameterProvider * provider,
                                              ProviderId provider_id ) {

    bool result = false;

    if( provider_id < size and not providers[provider_id] )
        result = ( providers[provider_id] = provider );

    return result;

}

bool systemic::CustomParameters::flushString(
        ProviderId provider_id, Id parameter_id,
        std::pair<const peripheral::protected_char *, std::size_t> string ) {

    bool result = false;

    if( provider_id < size and providers[provider_id] ) {
        if( providers[provider_id]->getParameterBuff(parameter_id).get().first == string.first )
            result = providers[provider_id]->flushParameterBuff(parameter_id);
    }

    return result;
}

systemic::SharedData systemic::CustomParameters::getString( ProviderId provider_id, Id parameter_id) const {

    systemic::SharedData result;

    if( provider_id < size and providers[provider_id] )
        result = providers[provider_id]->getParameterBuff(parameter_id);

    return result;

}

systemic::SharedData systemic::CustomParameters::createString( ProviderId provider_id, Id parameter_id, std::size_t size ) {

    systemic::SharedData result;

    if( provider_id < CustomParameters::size and providers[provider_id] ){
        result = providers[provider_id]->createParameterBuff(parameter_id, size);
    }

    return result;

}

bool systemic::getStringView( SharedData & string,
                              const CustomParameters & cparams,
                              CustomParameters::ProviderId provider_id,
                              CustomParameters::Id id ) {

    if( not string.get().first )
        string = cparams.getString( provider_id, id );

    return string.get().first;

}

bool systemic::createStringView( SharedData & string,
                                 CustomParameters & cparams,
                                 CustomParameters::ProviderId provider_id,
                                 std::size_t size,
                                 CustomParameters::Id id ) {
    if( not string.get().first )
        string = cparams.createString( provider_id, id, size );

    return string.get().first;

}