/*
 * ValueTable.hpp
 *
 *  Created on: 21 окт. 2019 г.
 *      Author: LeonidTitov
 */

#ifndef SOURCE_SCHEMATIC_VALUETABLE_HPP_
#define SOURCE_SCHEMATIC_VALUETABLE_HPP_

#include "../systemic/IValue.hpp"
#include "../systemic/IStatus.hh"

namespace schematic {

template<typename T, unsigned size>
class ValueTable : public systemic::IValue<T> {
public:
    typedef T Value;
    typedef unsigned Index;

    static const Index val_size = 1ul << size;
    static const Index sts_size = size;

    ValueTable( systemic::IStatus * statuses[sts_size] );

    void set( Value value, Index combination_index );

    virtual operator T() const;



protected:
    Value values[val_size];
    systemic::IStatus * statuses[sts_size];

    Index index() const;

};

}

template<typename T, unsigned size>
inline schematic::ValueTable<T, size>::ValueTable( systemic::IStatus * statuses[sts_size] ) {

    for(Index i = 0; i < sts_size; i++ )
        this->statuses[i] = statuses[i];

}

template<typename T, unsigned size>
inline void schematic::ValueTable<T, size>::set( Value value, Index combination_index ) {

    if( combination_index < val_size )
        values[combination_index] = value;

}

template<typename T, unsigned size>
inline schematic::ValueTable<T, size>::operator T() const {

    return values[ index() ];

}

template<typename T, unsigned size>
inline typename schematic::ValueTable<T, size>::Index schematic::ValueTable<T, size>::index() const {

    Index id = 0;

    for( Index i = 0; i < sts_size; i++ )
        id += *statuses[i] ? ( static_cast<Index>(1) << i ) : 0;

    return id;

}

#endif /* SOURCE_SCHEMATIC_VALUETABLE_HPP_ */