/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   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:
 *      Nino Weingart
 *   Co-authors:
 *      ...
 *
 */

/**
 @file FlagPickup.cc
 @brief Implementation of the FlagPickup class.
 */

#include "FlagPickup.h"

#include <sstream>
#include "core/CoreIncludes.h"
#include "core/XMLPort.h"
#include "pickup/PickupIdentifier.h"

namespace orxonox
{
    
    CreateFactory(FlagPickup);
    
    /**
     @brief
     Constructor. Registers the object and initializes the member variables.
     */
    FlagPickup::FlagPickup(BaseObject* creator) : Pickup(creator)
    {
        RegisterObject(FlagPickup);
        
        this->initialize();
    }
    
    /**
     @brief
     Destructor.
     */
    FlagPickup::~FlagPickup()
    {
        
    }
    
    /**
     @brief
     Initializes the member variables.
     */
    void FlagPickup::initialize(void)
    {
        this->flagType_ = 0;
        
        this->addTarget(ClassIdentifier<Pawn>::getIdentifier());
    }
    
    /**
     @brief
     Initializes the PickupIdentifier of this pickup.
     */
    void FlagPickup::initializeIdentifier(void)
    {
    	std::stringstream stream;
        int type = this->getFlagType();
        stream << type;
		std::string val = stream.str();
		
        std::string type1 = "flagType";
        this->pickupIdentifier_->addParameter(type1, val);
    }
    
    /**
     @brief
     Method for creating a FlagPickup object through XML.
     */
    void FlagPickup::XMLPort(Element& xmlelement, orxonox::XMLPort::Mode mode)
    {
        SUPER(FlagPickup, XMLPort, xmlelement, mode);
        
        XMLPortParam(FlagPickup, "flagType", setFlagType, getFlagType, xmlelement, mode);
        //XMLPortParam(FlagPickup, "teamNumber", setTeamNumber, getTeamNumber, xmlelement, mode);
        
        this->initializeIdentifier();
    }
    
    
    /**
     @brief
     Get the flag type of this pickup.
     @return
     Returns the falg type as a string.
     */
    const int FlagPickup::getFlagType(void) const
    {
		return this->flagType_;
	}
    
    /**
     @brief
     Set the type of the FlagPickup.
     @param type
     The type as a string.
     */
    void FlagPickup::setFlagType(int type)
    {
        if(type<3){
        	this->flagType_ = type;
        }
        
        else{
            orxout(internal_error, context::pickups) << "Invalid flagType '" << type << "' in FlagPickup." << endl;
    	}
    }
    
    /**
     @brief
     Is called when the pickup has transited from used to unused or the other way around.
     */
    void FlagPickup::changedUsed(void)
    {
        SUPER(FlagPickup, changedUsed);
        
        Pawn* pawn = this->carrierToPawnHelper();
        
        if(pawn == NULL) // If the PickupCarrier is no Pawn, then this pickup is useless and therefore is destroyed.
            this->Pickupable::destroy();
        
        // If the pickup has transited to used.
        if(this->isUsed())
        {
            this->bPickedUp_ = true;
            this->pickedUpBy_ = pawn;
            orxout(internal_error, context::pickups) << "flag picked up." << endl;

        }
    }
    
    /**
     @brief
     Helper to transform the PickupCarrier to a Pawn, and throw an error message if the conversion fails.
     @return
     A pointer to the Pawn, or NULL if the conversion failed.
     */
    Pawn* FlagPickup::carrierToPawnHelper(void)
    {
        PickupCarrier* carrier = this->getCarrier();
        Pawn* pawn = dynamic_cast<Pawn*>(carrier);
        
        if(pawn == NULL)
            orxout(internal_error, context::pickups) << "Invalid PickupCarrier in Flag Pickup." << endl;
        
        return pawn;
    }
    
    
    
	void FlagPickup::tick(float dt)
    {
        SUPER(FlagPickup, tick, dt);
        
        //Pawn* pawn = this->carrierToPawnHelper();
        
//        if(pawn->isAlive() && pawn->hasFlag()){
//            this->Pickupable::destroy();
//        }
        
    }
}