/*
 *   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:
 *      ...
 *   Co-authors:
 *      ...
 *
 */

#include "DialogManager.h"
#include "core/CoreIncludes.h"
#include "core/XMLPort.h"
#include "core/EventIncludes.h"
#include "Dialog.h"
#include "Question.h"


namespace orxonox
{

    RegisterClass(Dialog);

    //Constructor:
    Dialog::Dialog(Context* context) : BaseObject(context)
    {
        RegisterObject(Dialog);
    }

    void Dialog::XMLPort(Element& xmlelement, XMLPort::Mode mode)
    {
        SUPER(Dialog, XMLPort, xmlelement, mode);

        XMLPortParam(Dialog, "name", setName, getName, xmlelement, mode);
        XMLPortParam(Dialog, "currentQuestionId", setCurrentQuestionId, getCurrentQuestionId, xmlelement, mode);
        XMLPortObject(Dialog, Question, "questions", addQuestion, getQuestion, xmlelement, mode);
        XMLPortObject(Dialog, Answer, "answers", addAnswer, getAnswer, xmlelement, mode);
    }

    void Dialog::XMLEventPort(Element& xmlelement, XMLPort::Mode mode)
    {
        SUPER(Dialog, XMLEventPort, xmlelement, mode);

        XMLPortEventSink(Dialog, BaseObject, "execute", execute, xmlelement, mode); 
    }

    void Dialog::setName(const std::string& name)
    {
        this->name_ = name;
    }

    const std::string& Dialog::getName() const
    {
        return this->name_;
    }

    void Dialog::setCurrentQuestionId(const std::string& questionId)
    {
        this->currentQuestionId_ = questionId;
    }

    const std::string& Dialog::getCurrentQuestionId() const
    {
        return this->currentQuestionId_;
    }


    void Dialog::addQuestion(Question* question) //fuegt Question der Map hinzu
    {
        this->questions_.insert(make_pair(question->getQuestionId(), question));
    }

    Question* Dialog::getQuestion(unsigned int index) const
    {
        unsigned int i = 0;
        for (auto entry : this->questions_)
        {
            if (i == index)
                return entry.second;
            ++i;
        }
        return nullptr;
    }

    void Dialog::addAnswer(Answer* answer) //fuegt Answer der Map hinzu
    {
        this->answers_.insert(make_pair(answer->getAnswerId(), answer));
    }

    Answer* Dialog::getAnswer(unsigned int index) const
    {
        unsigned int i = 0;
        for (auto entry : this->answers_)
        {
            if (i == index)
                return entry.second;
            ++i;
        }
        return nullptr;
    }


    const std::vector<std::string>& Dialog::getAnswerIds() const // returned vector mit allen momentanen AntwortenIds
    {

        Question* question = (this->questions_.find(this->currentQuestionId_))->second;
        return question->getAnswerIds();

    }

    bool Dialog::execute(bool bTriggered, BaseObject* trigger)
    {  
        DialogManager& m = DialogManager::getInstance();

        if(questions_.count(this->currentQuestionId_)){
            m.setDialog(this);
            OrxonoxOverlay::showOverlay("Dialog");
        }
        else {
            orxout() << "no start defined " << endl;
        }

        return false;
    }

    void Dialog::update(const std::string& givenAnswerId)
    {
        Answer* answer = (answers_.find(givenAnswerId))->second;
        this->currentQuestionId_ = answer->getNextQuestion();
    }

    bool Dialog::ending(const std::string& givenAnswerId)
    {
        return !this->questions_.count(this->answers_.find(givenAnswerId)->second->getNextQuestion());
    }

    const std::string& Dialog::getQuestionString()
    {
        return this->questions_.find(this->currentQuestionId_)->second->getQuestion();
    }

    const std::string& Dialog::getAnswerString(const std::string& answerId)
    {
        return this->answers_.find(answerId)->second->getAnswer();
    }
}