/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2017-  Statoil ASA
//
//  ResInsight 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.
//
//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RifKeywordVectorParser.h"

#include "RiaStdStringTools.h"

#include "RifEclipseUserDataParserTools.h"

#include "cvfAssert.h"

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RifKeywordVectorParser::RifKeywordVectorParser( const QString& data )
{
    parseData( data );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
const std::vector<KeywordBasedVector>& RifKeywordVectorParser::keywordBasedVectors() const
{
    return m_keywordBasedVectors;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RifKeywordVectorParser::canBeParsed( const QString& data )
{
    std::stringstream streamData;
    streamData.str( data.toStdString() );
    std::string line;
    std::getline( streamData, line );

    while ( streamData.good() )
    {
        if ( RifEclipseUserDataParserTools::isAComment( line ) )
        {
            std::getline( streamData, line );
        }
        else if ( line.find( "VECTOR" ) == 0 )
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    return false;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RifKeywordVectorParser::parseData( const QString& data )
{
    std::stringstream streamData;
    streamData.str( data.toStdString() );
    std::string line;
    std::getline( streamData, line );

    do
    {
        while ( RifEclipseUserDataParserTools::isLineSkippable( line ) && !streamData.eof() )
        {
            std::getline( streamData, line );
        }

        KeywordBasedVector keywordBasedVector;
        keywordBasedVector.header = RifEclipseUserDataParserTools::headerReader( streamData, line );
        if ( keywordBasedVector.header.empty() ) break;

        double value = 0.0;
        while ( RifEclipseUserDataParserTools::isANumber( line ) )
        {
            RiaStdStringTools::toDouble( line, value );
            keywordBasedVector.values.push_back( value );
            std::getline( streamData, line );
        }

        m_keywordBasedVectors.push_back( keywordBasedVector );

    } while ( !streamData.eof() );
}