#ifndef VALUE_FACTORY_HH
#define VALUE_FACTORY_HH

#include <vector>

#include <dune/gfe/unitvector.hh>

/** \brief A class that creates sets of values of various types, to be used in unit tests
 * 
 * This is the generic dummy.  The actual work is done in specializations.
 */
template <class T>
class ValueFactory
{
public:
    static void get(std::vector<T>& values);
    
};


/** \brief A class that creates sets of values of various types, to be used in unit tests
 * 
 * This is the specialization for UnitVector<2>
 */
template <>
class ValueFactory<UnitVector<2> >
{
public:
    static void get(std::vector<UnitVector<2> >& values) {
     
        int nTestPoints = 10;
        double testPoints[10][2] = {{1,0}, {0.5,0.5}, {0,1}, {-0.5,0.5}, {-1,0}, {-0.5,-0.5}, {0,-1}, {0.5,-0.5}, {0.1,1}, {1,.1}};
    
        values.resize(nTestPoints);
        
        // Set up elements of S^1
        for (int i=0; i<nTestPoints; i++) {
        
            Dune::array<double,2> w = {{testPoints[i][0], testPoints[i][1]}};
            values[i] = UnitVector<2>(w);

        }
        
    }
    
};


/** \brief A class that creates sets of values of various types, to be used in unit tests
 * 
 * This is the specialization for UnitVector<3>
 */
template <>
class ValueFactory<UnitVector<3> >
{
public:
    static void get(std::vector<UnitVector<3> >& values) {
     
        int nTestPoints = 10;
        double testPoints[10][3] = {{1,0,0}, {0,1,0}, {-0.838114,0.356751,-0.412667},
                                    {-0.490946,-0.306456,0.81551},{-0.944506,0.123687,-0.304319},
                                    {-0.6,0.1,-0.2},{0.45,0.12,0.517},
                                    {-0.1,0.3,-0.1},{-0.444506,0.123687,0.104319},{-0.7,-0.123687,-0.304319}};

        values.resize(nTestPoints);
        
        // Set up elements of S^1
        for (int i=0; i<nTestPoints; i++) {
        
            Dune::array<double,3> w = {{testPoints[i][0], testPoints[i][1], testPoints[i][2]}};
            values[i] = UnitVector<3>(w);

        }
        
    }
    
};


#endif