/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *
 *
 *   License notice:
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation; either version 2
 *   of the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 *   Author:
 *      Fabian 'x3n' Landau
 *   Co-authors:
 *      ...
 *
 */

#ifndef _XMLPort_H__
#define _XMLPort_H__

#include "util/XMLIncludes.h"
#include "util/MultiTypeMath.h"
#include "util/TinyXML/ticpp.h"
#include "util/SubString.h"
#include "Functor.h"
#include "Debug.h"

#include "CorePrereqs.h"


#define XMLPortParam(classname, paramname, loadfunction, savefunction, xmlelement, loading) \
    orxonox::XMLPortClassParamContainer<classname>* xmlcontainer##loadfunction##savefunction = (orxonox::XMLPortClassParamContainer<classname>*)(this->getIdentifier()->getXMLPortParamContainer(paramname)); \
    if (!xmlcontainer##loadfunction##savefunction) \
    { \
        xmlcontainer##loadfunction##savefunction = new orxonox::XMLPortClassParamContainer<classname>(this->getIdentifier()->getName(), std::string(paramname), createFunctor(&classname::loadfunction), createFunctor(&classname::savefunction)); \
        this->getIdentifier()->addXMLPortParamContainer(paramname, xmlcontainer##loadfunction##savefunction); \
    } \
    xmlcontainer##loadfunction##savefunction->port(this, xmlelement, loading)

#define XMLPortParamLoadOnly(classname, paramname, loadfunction, xmlelement, loading) \
    orxonox::XMLPortClassParamContainer<classname>* xmlcontainer##loadfunction##savefunction = (orxonox::XMLPortClassParamContainer<classname>*)(this->getIdentifier()->getXMLPortParamContainer(paramname)); \
    if (!xmlcontainer##loadfunction##savefunction) \
    { \
        xmlcontainer##loadfunction##savefunction = new orxonox::XMLPortClassParamContainer<classname>(this->getIdentifier()->getName(), std::string(paramname), createFunctor(&classname::loadfunction), 0); \
        this->getIdentifier()->addXMLPortParamContainer(paramname, xmlcontainer##loadfunction##savefunction); \
    } \
    xmlcontainer##loadfunction##savefunction->port(this, xmlelement, loading)

namespace orxonox
{
    class _CoreExport XMLPortParamContainer
    {
        public:
            XMLPortParamContainer();

            inline const std::string& getName() const
                { return this->paramname_; }

            XMLPortParamContainer& description(const std::string description);
            const std::string& getDescription();

            XMLPortParamContainer& defaultValues(const MultiTypeMath& param1 = MT_null, const MultiTypeMath& param2 = MT_null, const MultiTypeMath& param3 = MT_null, const MultiTypeMath& param4 = MT_null, const MultiTypeMath& param5 = MT_null)
            {
                this->defaultValues_[0] = param1;
                this->defaultValues_[1] = param2;
                this->defaultValues_[2] = param3;
                this->defaultValues_[3] = param4;
                this->defaultValues_[4] = param5;

                return (*this);
            }

        protected:
            std::string classname_;
            std::string paramname_;
            MultiTypeMath defaultValues_[5];

        private:
            LanguageEntryLabel description_;
            bool bAddedDescription_;
            bool bAddedDefaultValues_;
    };

    template <class T>
    class XMLPortClassParamContainer : public XMLPortParamContainer
    {
        public:
            XMLPortClassParamContainer(const std::string classname, const std::string paramname, FunctorMember<T>* loadfunction, FunctorMember<T>* savefunction)
            {
                this->classname_ = classname;
                this->paramname_ = paramname;
                this->loadfunction_ = loadfunction;
                this->savefunction_ = savefunction;
            }

            XMLPortParamContainer& port(T* object, Element& xmlelement, bool loading)
            {
                if (loading)
                {
std::cout << "3_1: load param " << this->paramname_ << std::endl;
                    std::string attribute = xmlelement.GetAttribute(this->paramname_);
std::cout << "3_2: attribute " << attribute << std::endl;
                    if (attribute.size() > 0)
                    {
                        SubString tokens(attribute, ",", SubString::WhiteSpaces, false, '\\', '"', '(', ')', '\0');
std::cout << "3_3: tokens: " << tokens.size() << " params: " << this->loadfunction_->getParamCount() << std::endl;
                        if ((unsigned int)tokens.size() >= (unsigned int)this->loadfunction_->getParamCount())
                        {
                            if (this->loadfunction_->getParamCount() == 1)
                            {
std::cout << "3_4 start: load with whole attribute as input" << std::endl;
                                (*this->loadfunction_)(object, MultiTypeMath(attribute));
std::cout << "3_5 end" << std::endl;
                            }
                            else
                            {
std::cout << "3_4: load with tokens as input" << std::endl;
                                MultiTypeMath param1, param2, param3, param4, param5;
                                if (tokens.size() >= 1) param1 = tokens[0];
                                if (tokens.size() >= 2) param1 = tokens[1];
                                if (tokens.size() >= 3) param1 = tokens[2];
                                if (tokens.size() >= 4) param1 = tokens[3];
                                if (tokens.size() >= 5) param1 = tokens[4];

                                (*this->loadfunction_)(object, param1, param2, param3, param4, param5);
                            }
                        }
                        else
                        {
                            COUT(2) << "  Warning: Parameter \"" << this->paramname_ << "\" in \"" << this->classname_ << "\" (objectname: " << object->getName() << ") is incomplete and couln't be loaded." << std::endl;
                        }
                    }
                }
                else
                {
                    if (this->savefunction_)
                    {
//                        xmlelement.SetAttribute(this->paramname_, "...");
                    }
                }

                return (*this);
            }

        private:
            FunctorMember<T>* loadfunction_;
            FunctorMember<T>* savefunction_;
    };
}

#endif /* _XMLPort_H__ */