/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2019-     Equinor 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 "RifEclipseInputPropertyLoader.h"

#include "RiaLogging.h"

#include "RifEclipseInputFileTools.h"
#include "RifEclipseKeywordContent.h"
#include "RifEclipseTextFileReader.h"
#include "RifReaderEclipseInput.h"

#include "RigCaseCellResultsData.h"
#include "RigEclipseCaseData.h"
#include "RigMainGrid.h"

#include "RimEclipseInputProperty.h"
#include "RimEclipseInputPropertyCollection.h"

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QString RifEclipseInputPropertyLoader::evaluateAndCreateInputPropertyResult( RigEclipseCaseData*             eclipseCase,
                                                                             const RifEclipseKeywordContent& keywordContent,
                                                                             QString*                        errorMessage )
{
    auto eclipseKeyword = keywordContent.keyword;
    if ( isInputPropertyCandidate( eclipseCase, eclipseKeyword, keywordContent.values.size(), errorMessage ) )
    {
        QString newResultName =
            eclipseCase->results( RiaDefines::PorosityModelType::MATRIX_MODEL )->makeResultNameUnique( QString::fromStdString( eclipseKeyword ) );

        if ( appendNewInputPropertyResult( eclipseCase, newResultName, eclipseKeyword, keywordContent.values, errorMessage ) )
        {
            return newResultName;
        }
    }

    return "";
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RifEclipseInputPropertyLoader::createInputPropertiesFromKeywords( RigEclipseCaseData*                          eclipseCase,
                                                                       const std::vector<RifEclipseKeywordContent>& keywordContent,
                                                                       QString*                                     errorText )
{
    for ( const auto& keywordAndValues : keywordContent )
    {
        RifEclipseInputPropertyLoader::evaluateAndCreateInputPropertyResult( eclipseCase, keywordAndValues, errorText );
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RifEclipseInputPropertyLoader::isInputPropertyCandidate( const RigEclipseCaseData* caseData,
                                                              const std::string&        eclipseKeyword,
                                                              size_t                    numberOfValues,
                                                              QString*                  errorText )
{
    CVF_ASSERT( caseData );

    if ( !isValidDataKeyword( QString::fromStdString( eclipseKeyword ) ) ) return false;

    if ( numberOfValues != caseData->mainGrid()->cellCount() )
    {
        if ( errorText )
        {
            *errorText += QString( "Keyword %1 has %2 values, but the grid has %3 cells" )
                              .arg( QString::fromStdString( eclipseKeyword ) )
                              .arg( numberOfValues )
                              .arg( caseData->mainGrid()->cellCount() );
        }

        return false;
    }

    return true;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::map<QString, QString> RifEclipseInputPropertyLoader::readProperties( const QString& fileName, RigEclipseCaseData* eclipseCase )
{
    std::map<QString, QString> resultNameAndEclipseNameMap;

    auto keywordContent = RifEclipseTextFileReader::readKeywordAndValues( fileName.toStdString() );
    for ( const auto& keywordAndValues : keywordContent )
    {
        QString errorText;

        QString newResultName = evaluateAndCreateInputPropertyResult( eclipseCase, keywordAndValues, &errorText );
        if ( !newResultName.isEmpty() )
        {
            resultNameAndEclipseNameMap[newResultName] = QString::fromStdString( keywordAndValues.keyword );
        }
        else
        {
            RiaLogging::error( errorText );
        }
    }

    return resultNameAndEclipseNameMap;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
const std::vector<QString>& RifEclipseInputPropertyLoader::invalidPropertyDataKeywords()
{
    // List of keywords that will be skipped when looking for property data

    static std::vector<QString> keywords =
        { "COORD", "ZCORN", "SPECGRID", "MAPAXES", "NOECHO", "ECHO", "MAPUNITS", "GRIDUNIT", "GDORIENT", "INC", "DEC", "FAULTS" };

    return keywords;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RifEclipseInputPropertyLoader::isValidDataKeyword( const QString& keyword )
{
    const std::vector<QString>& keywordsToSkip = RifEclipseInputPropertyLoader::invalidPropertyDataKeywords();
    for ( const QString& keywordToSkip : keywordsToSkip )
    {
        if ( keywordToSkip == keyword.toUpper() )
        {
            return false;
        }
    }

    return true;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RifEclipseInputPropertyLoader::appendNewInputPropertyResult( RigEclipseCaseData*       caseData,
                                                                  const QString&            resultName,
                                                                  const std::string&        eclipseKeyword,
                                                                  const std::vector<float>& values,
                                                                  QString*                  errMsg )
{
    if ( !isValidDataKeyword( QString::fromStdString( eclipseKeyword ) ) ) return false;

    CVF_ASSERT( caseData );

    size_t keywordItemCount = values.size();
    if ( keywordItemCount != caseData->mainGrid()->cellCount() )
    {
        if ( errMsg )
        {
            QString errFormat( "Size mismatch: Main Grid has %1 cells, keyword %2 has %3 cells" );
            *errMsg = errFormat.arg( caseData->mainGrid()->cellCount() ).arg( resultName ).arg( keywordItemCount );
        }

        return false;
    }

    RigEclipseResultAddress resAddr( RiaDefines::ResultCatType::INPUT_PROPERTY, resultName );
    caseData->results( RiaDefines::PorosityModelType::MATRIX_MODEL )->createResultEntry( resAddr, false );

    auto newPropertyData = caseData->results( RiaDefines::PorosityModelType::MATRIX_MODEL )->modifiableCellScalarResultTimesteps( resAddr );

    std::vector<double> doubleVals;
    doubleVals.insert( doubleVals.begin(), values.begin(), values.end() );

    newPropertyData->push_back( doubleVals );

    return true;
}
