/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#include <com/sun/star/chart2/XChartDocument.hpp>

#include <com/sun/star/chart2/data/XDataReceiver.hpp>

#include <com/sun/star/util/XNumberFormatsSupplier.hpp>

#include <drawingml/chart/chartspaceconverter.hxx>

#include <drawingml/chart/chartspacemodel.hxx>

#include <drawingml/chart/stylemodel.hxx>

#include <drawingml/chart/colorsmodel.hxx>

#include <docmodel/uno/UnoChartStyle.hxx>

#include <docmodel/uno/UnoChartColorStyle.hxx>

#include <docmodel/styles/ChartStyle.hxx>

#include <docmodel/styles/ChartColorStyle.hxx>

#include <oox/helper/containerhelper.hxx>

#include <oox/core/xmlfilterbase.hxx>

#include <osl/diagnose.h>

#include <oox/drawingml/chart/chartconverter.hxx>

using ::oox::drawingml::chart::DataSequenceModel;

using ::com::sun::star::uno::Any;

namespace oox::drawingml::chart {

using namespace ::com::sun::star;

using namespace ::com::sun::star::chart2;

using namespace ::com::sun::star::chart2::data;

using namespace ::com::sun::star::drawing;

using namespace ::com::sun::star::uno;

using ::oox::core::XmlFilterBase;

const sal_Unicode API_TOKEN_ARRAY_OPEN      = '{';

const sal_Unicode API_TOKEN_ARRAY_CLOSE     = '}';

const sal_Unicode API_TOKEN_ARRAY_COLSEP    = ';';

static OUString lclGenerateApiArray(const std::vector<Any>& rRow, sal_Int32 nStart, sal_Int32 nCount)

{

    OSL_ENSURE( !rRow.empty(), "ChartConverter::lclGenerateApiArray - missing matrix values" );

    OUStringBuffer aBuffer(( OUStringChar(API_TOKEN_ARRAY_OPEN) ));

    for (auto aBeg = rRow.begin() + nStart, aIt = aBeg, aEnd = aBeg + nCount; aIt != aEnd; ++aIt)

    {

        double fValue = 0.0;

        OUString aString;

        if( aIt != aBeg )

            aBuffer.append( API_TOKEN_ARRAY_COLSEP );

        if( *aIt >>= fValue )

            aBuffer.append( fValue );

        else if( *aIt >>= aString )

        {

            // Code similar to sc/source/filter/oox/formulabase.cxx

            aBuffer.append( "\"" + aString.replaceAll(u"\"", u"\"\"") + "\"" );

        }

        else

            aBuffer.append( "\"\"" );

    }

    aBuffer.append( API_TOKEN_ARRAY_CLOSE );

    return aBuffer.makeStringAndClear();

}

ChartConverter::ChartConverter()

{

}

ChartConverter::~ChartConverter()

{

}

void ChartConverter::convertFromModel( XmlFilterBase& rFilter,

        ChartSpaceModel& rChartModel, const Reference< XChartDocument >& rxChartDoc,

        const Reference< XShapes >& rxExternalPage, const awt::Point& rChartPos,

        const awt::Size& rChartSize ) const

{

    OSL_ENSURE( rxChartDoc.is(), "ChartConverter::convertFromModel - missing chart document" );

    if( rxChartDoc.is() )

    {

        Reference< data::XDataReceiver > xDataReceiver( rxChartDoc, uno::UNO_QUERY_THROW );

        Reference< util::XNumberFormatsSupplier > xNumberFormatsSupplier( rFilter.getModel(), uno::UNO_QUERY );

        if (xNumberFormatsSupplier.is())

            xDataReceiver->attachNumberFormatsSupplier( xNumberFormatsSupplier );

        ConverterRoot aConvBase( rFilter, *this, rChartModel, rxChartDoc, rChartSize );

        ChartSpaceConverter aSpaceConv( aConvBase, rChartModel );

        aSpaceConv.convertFromModel( rxExternalPage, rChartPos );

    }

}

void ChartConverter::createDataProvider( const Reference< XChartDocument >&

        rxChartDoc ) const

{

    try

    {

        if( !rxChartDoc->hasInternalDataProvider() )

            rxChartDoc->createInternalDataProvider( false );

    }

    catch( Exception& )

    {

    }

}

Reference< XDataSequence > ChartConverter::createDataSequence(

    const Reference< XDataProvider >& rxDataProvider, const DataSequenceModel& rDataSeq,

    const OUString& rRole, const OUString& rRoleQualifier ) const

{

    Reference< XDataSequence > xDataSeq;

    if( rxDataProvider.is() )

    {

        OUString aRangeRep;

        if( !rDataSeq.maData.empty() || (rRole == "values-y" && rDataSeq.mnPointCount > 0) ) try

        {

            // create a single-row array from constant source data

            // (multiple levels in the case of complex categories)

            assert( rDataSeq.mnPointCount > 0);

            std::vector<Any> aRow(rDataSeq.mnLevelCount * rDataSeq.mnPointCount);

            for (auto const& elem : rDataSeq.maData)

                aRow.at(elem.first) = elem.second;

            for (sal_Int32 i = rDataSeq.mnLevelCount-1; i >= 0; i--)

            {

                aRangeRep = lclGenerateApiArray( aRow, i * rDataSeq.mnPointCount, rDataSeq.mnPointCount);

                if (!aRangeRep.isEmpty())

                {

                    // create or add a new level to the data sequence

                    xDataSeq = rxDataProvider->createDataSequenceByValueArray(rRole, aRangeRep, rRoleQualifier);

                    if (i == 0)

                        return xDataSeq;

                }

            }

        }

        catch( Exception& )

        {

            OSL_FAIL( "ChartConverter::createDataSequence - cannot create data sequence" );

        }

    }

    return nullptr;

}

// ===========

// ChartStyleConverter

// ===========

void ChartStyleConverter::convertFromModel(const XmlFilterBase& rFilter,

        const StyleModel& rChartStyleModel,

        const Reference< XChartStyle >& rxChartStyle)

{

    OSL_ENSURE( rxChartStyle.is(), "ChartStyleConverter::convertFromModel - missing chart style" );

    if (!rxChartStyle.is()) return;

    UnoChartStyle *pUnoCS = static_cast<UnoChartStyle*>(rxChartStyle.get());

    assert(pUnoCS);

    model::StyleSet& aStyles = pUnoCS->getChartStyle();

    if (rChartStyleModel.mxAxisTitle) {

        aStyles.addEntry(model::StyleSet::StyleEntryType::AXISTITLE,

                rChartStyleModel.mxAxisTitle->toStyleEntry(rFilter));

    }

    // etc.

    // TODO: fill in all the stuff

    aStyles.mnId = rChartStyleModel.mnId;

}

// ===========

// ChartColorStyleConverter

// ===========

void ChartColorStyleConverter::convertFromModel([[maybe_unused]] XmlFilterBase& rFilter,

        ColorStyleModel& rChartColorStyleModel,

        const Reference< XChartColorStyle >& rxChartColorStyle)

{

    OSL_ENSURE( rxChartColorStyle.is(), "ChartColorStyleConverter::convertFromModel - missing chart colorstyle" );

    if (!rxChartColorStyle.is()) return;

    UnoChartColorStyle *pUnoCS = static_cast<UnoChartColorStyle*>(rxChartColorStyle.get());

    assert(pUnoCS);

    model::ColorStyleSet& aColorStyles = pUnoCS->getChartColorStyle();

    if (!rChartColorStyleModel.maComplexColors.empty()) {

        aColorStyles.addEntry(rChartColorStyleModel.maComplexColors,

                rChartColorStyleModel.meMethod, rChartColorStyleModel.mnId);

    }

}

} // namespace oox::drawingml::chart

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