/*

  Copyright 2013 Statoil ASA.

  This file is part of the Open Porous Media project (OPM).

  OPM 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 3 of the License, or
  (at your option) any later version.

  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdexcept>

#include <opm/json/JsonObject.hpp>

#include <opm/parser/eclipse/Parser/ParserItem.hpp>
#include <opm/parser/eclipse/Parser/ParserIntItem.hpp>
#include <opm/parser/eclipse/Parser/ParserEnums.hpp>
#include <opm/parser/eclipse/RawDeck/StarToken.hpp>

namespace Opm {


    ParserIntItem::ParserIntItem(const std::string& itemName) : ParserItem(itemName)
    {
        // integers do not have a representation for NaN. Let's use a negative value as
        // this is usually meaningless. (Keep in mind that in the deck it can be queried
        // using deckItem->defaultApplied(idx) if an item was defaulted or not...
        m_default = -1;
        m_defaultSet = false;
    }

    ParserIntItem::ParserIntItem(const std::string& itemName, ParserItemSizeEnum p_sizeType)
        : ParserItem(itemName, p_sizeType)
    {
        m_default = -1;
        m_defaultSet = false;
    }

    ParserIntItem::ParserIntItem(const std::string& itemName, int defaultValue) : ParserItem(itemName)
    {
        setDefault(defaultValue);
    }


    ParserIntItem::ParserIntItem(const std::string& itemName, ParserItemSizeEnum sizeType_, int defaultValue) : ParserItem(itemName, sizeType_)
    {
        setDefault(defaultValue);
    }

    ParserIntItem::ParserIntItem(const Json::JsonObject& jsonConfig) : ParserItem(jsonConfig)
    {
        m_default = -1;
        if (jsonConfig.has_item("default"))
            setDefault( jsonConfig.get_int("default") );
    }


    void ParserIntItem::setDefault(int defaultValue) {
        if (sizeType() == ALL)
            throw std::invalid_argument("The size type ALL can not be combined with an explicit default value");
        m_defaultSet = true;
        m_default = defaultValue;
    }

    int ParserIntItem::getDefault() const {
        if (hasDefault())
            return m_default;

        if (sizeType() == Opm::ALL)
            return -1;

        throw std::invalid_argument("No default value available for item "+name());
    }

    bool ParserIntItem::hasDefault() const {
        return m_defaultSet;
    }

    DeckItem ParserIntItem::scan( RawRecord& rawRecord) const {
        return ParserItemScan<ParserIntItem,int>(this , rawRecord);
    }


    bool ParserIntItem::equal(const ParserItem& other) const
    {
        return parserRawItemEqual<ParserIntItem>(other);
    }


    std::string ParserIntItem::createCode() const {
        std::stringstream ss;

        ss << "new ParserIntItem(" << "\"" << name() << "\"" << ",Opm::" << ParserItemSizeEnum2String( sizeType() );
        if (m_defaultSet)
            ss << "," << getDefault();
        ss << ")";

        return ss.str();
    }



    void ParserIntItem::inlineClass(std::ostream& os, const std::string& indent) const {
        ParserItemInlineClassDeclaration<ParserIntItem,int>(this , os , indent , "int");
    }


    std::string ParserIntItem::inlineClassInit(const std::string& parentClass) const {
        return ParserItemInlineClassInit<ParserIntItem,int>(this , parentClass , "int");
    }


}