/*
 * (C) Copyright 1996-2016 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

/*! \file WindMode.h
    \brief Definition of the Template class WindMode.
    
    Magics Team - ECMWF 2006
    
    Started: Wed 9-Aug-2006
    
    Changes:
    
*/

#ifndef WindMode_H
#define WindMode_H

#include "magics.h"
#include "MagTranslator.h"
#include "Factory.h"
#include "Layer.h"


namespace magics {

class WindMode {

public:
	WindMode();
	virtual ~WindMode();

    virtual void set(const XmlNode&) {
        MagLog::dev() << "(const XmlNode&)---> to be checked!...\n";
    }
    virtual void set(const map<string, string>&) {
        MagLog::dev() << "(const map<string, string&)---> to be checked!...\n";
    }

    virtual bool accept(const string&) { return false; }
    virtual WindMode* clone() const {
        MagLog::dev() << "(const map<string, string&)---> to be checked!...\n";
        return new WindMode();
    }
    
    virtual void toxml(ostream&) {}

    virtual void x(Matrix**,  Matrix**, Matrix*, Matrix*) {}
    virtual pair<double, double> operator()(double x, double y) { return std::make_pair(x, y); }

    virtual ValuesCollectorData* values(double lon, double lat, double x, double y, double dist)
    { return new ValuesCollectorData(lon, lat, x, dist); }
    
    virtual double norm(double x, double y) const {return x;}

protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	 virtual void print(ostream&) const; 

private:
    //! Copy constructor - No copy allowed
	WindMode(const WindMode&);
    //! Overloaded << operator to copy - No copy allowed
	WindMode& operator=(const WindMode&);

// -- Friends
    //! Overloaded << operator to call print().
	friend ostream& operator<<(ostream& s,const WindMode& p)
		{ p.print(s); return s; }

};

class UVWindMode : public WindMode 
{
public:
	UVWindMode() {}
	virtual ~UVWindMode() {}
	WindMode* clone() const { return new UVWindMode(); }
	virtual void x(Matrix** out,  Matrix**, Matrix* in1, Matrix* in2);
	virtual pair<double, double> operator()(double x, double y) { return std::make_pair(x, y); }
	ValuesCollectorData* values(double lon, double lat, double x, double y, double dist)
	{ return new ValuesCollectorUVData(lon, lat, x, y, dist); }
	double norm(double x, double y) const {return sqrt(x*x+y*y);}
private:
    //! Copy constructor - No copy allowed
	UVWindMode(const WindMode&);
    //! Overloaded << operator to copy - No copy allowed
	UVWindMode& operator=(const WindMode&);
};

    
class SDWindMode : public WindMode 
{
public:
	SDWindMode() {}
	virtual ~SDWindMode() {}
	WindMode* clone() const { return new SDWindMode(); }
	virtual void x(Matrix** out, Matrix**, Matrix* in1, Matrix* in2);
	virtual pair<double, double> operator()(double x, double y);
	ValuesCollectorData* values(double lon, double lat, double x, double y, double dist)
		{ return new ValuesCollectorSDData(lon, lat, x, y, dist); }
	double norm(double x, double y) const {return x;}
private:
    //! Copy constructor - No copy allowed
	SDWindMode(const WindMode&);
    //! Overloaded << operator to copy - No copy allowed
	SDWindMode& operator=(const SDWindMode&);
};

class VDWindMode : public WindMode 
{
public:
	VDWindMode() {}
	virtual ~VDWindMode() {}
	WindMode* clone() const { return new VDWindMode(); }
	virtual void x(Matrix** out, Matrix* in1, Matrix* in2);
	    virtual void y(Matrix** out, Matrix* in1, Matrix* in2);
private:
    //! Copy constructor - No copy allowed
	VDWindMode(const WindMode&);
    //! Overloaded << operator to copy - No copy allowed
	VDWindMode& operator=(const SDWindMode&);
};

template <>
class MagTranslator<string, WindMode> { 
public:
	WindMode* operator()(const string& val )
	{
		return SimpleObjectMaker<WindMode>::create(val);
	}

	WindMode* magics(const string& param)
	{
		string val;
		ParameterManager::get(param, val);
		return (*this)(val);
	}

};

} // namespace magics
#endif
