//  Factory.cpp
//
//  Copyright (C) 2013-2014  Jaye Evins <evins@snaught.com>
//
//  This file is part of glbarcode++.
//
//  glbarcode++ is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  glbarcode++ 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 Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with glbarcode++.  If not, see <http://www.gnu.org/licenses/>.
//


#include "Factory.hpp"

#include "BarcodeCepnet.hpp"
#include "BarcodeCode39.hpp"
#include "BarcodeCode39Ext.hpp"
#include "BarcodeDataMatrix.hpp"
#include "BarcodeEan13.hpp"
#include "BarcodeOnecode.hpp"
#include "BarcodePostnet.hpp"
#include "BarcodePostnet5.hpp"
#include "BarcodePostnet9.hpp"
#include "BarcodePostnet11.hpp"
#include "BarcodeQrcode.hpp"
#include "BarcodeUpcA.hpp"


namespace glbarcode
{

        Factory::BarcodeTypeMap Factory::mBarcodeTypeMap;
        TypeIdList              Factory::mSupportedTypes;


        Factory::Factory()
        {
                /*
                 * Register built-in types.
                 */
                internalRegisterType( "code39",      &BarcodeCode39::create );
                internalRegisterType( "code39ext",   &BarcodeCode39Ext::create );
                internalRegisterType( "upc-a",       &BarcodeUpcA::create );
                internalRegisterType( "ean-13",      &BarcodeEan13::create );
                internalRegisterType( "postnet",     &BarcodePostnet::create );
                internalRegisterType( "postnet-5",   &BarcodePostnet5::create );
                internalRegisterType( "postnet-9",   &BarcodePostnet9::create );
                internalRegisterType( "postnet-11",  &BarcodePostnet11::create );
                internalRegisterType( "cepnet",      &BarcodeCepnet::create );
                internalRegisterType( "onecode",     &BarcodeOnecode::create );
                internalRegisterType( "datamatrix",  &BarcodeDataMatrix::create );
#if HAVE_QRENCODE
                internalRegisterType( "qrcode",      &BarcodeQrcode::create );
#endif
        }


        void Factory::init( )
        {
                static Factory* singletonInstance = nullptr;

                if ( singletonInstance == nullptr )
                {
                        singletonInstance = new Factory();
                }
        }


        void Factory::registerType( const std::string& typeId, Factory::BarcodeCreateFct fct )
        {
                init();

                internalRegisterType( typeId, fct );
        }


        bool Factory::isTypeSupported( const std::string& typeId )
        {
                init();

                auto i = mBarcodeTypeMap.find( typeId );

                return ( i != mBarcodeTypeMap.end() );
        }


        TypeIdList Factory::getSupportedTypes( )
        {
                init();

                return mSupportedTypes;
        }


        Barcode* Factory::createBarcode( const std::string& typeId )
        {
                init();

                auto i = mBarcodeTypeMap.find( typeId );

                if( i != mBarcodeTypeMap.end() )
                {
                        return i->second();
                }

                return nullptr;
        }


        void Factory::internalRegisterType( const std::string& typeId, Factory::BarcodeCreateFct fct )
        {
                mBarcodeTypeMap[ typeId ] = fct;
                mSupportedTypes.push_back( typeId );
        }


}