/* -*- 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 <drawingml/textrun.hxx>

#include <com/sun/star/awt/CharSet.hpp>

#include <com/sun/star/frame/XModel.hpp>

#include <com/sun/star/text/ControlCharacter.hpp>

#include <com/sun/star/beans/XPropertySet.hpp>

#include <com/sun/star/beans/XPropertyState.hpp>

#include <com/sun/star/lang/XMultiServiceFactory.hpp>

#include <com/sun/star/text/XTextField.hpp>

#include <sal/log.hxx>

#include <oox/helper/helper.hxx>

#include <oox/helper/propertyset.hxx>

#include <oox/core/xmlfilterbase.hxx>

#include <oox/token/properties.hxx>

#include <oox/token/tokens.hxx>

#include <comphelper/diagnose_ex.hxx>

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

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

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

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

namespace oox::drawingml {

TextRun::TextRun() :

    mbIsLineBreak( false )

{

}

TextRun::~TextRun()

{

}

sal_Int32 TextRun::insertAt(

        const ::oox::core::XmlFilterBase& rFilterBase,

        const Reference < XText > & xText,

        const Reference < XTextCursor > &xAt,

        const TextCharacterProperties& rTextCharacterStyle,

        float nDefaultCharHeight) const

{

    sal_Int32 nCharHeight = 0;

    try {

        Reference< XTextRange > xStart = xAt;

        PropertySet aPropSet( xStart );

        Reference<XPropertyState> xState(xStart, UNO_QUERY);

        Any aOldFontName = xState->getPropertyDefault(u"CharFontName"_ustr);

        Any aOldFontPitch = xState->getPropertyDefault(u"CharFontPitch"_ustr);

        Any aOldFontFamily = xState->getPropertyDefault(u"CharFontFamily"_ustr);

        Any aOldFontCharSet = xState->getPropertyDefault(u"CharFontCharSet"_ustr);

        TextCharacterProperties aTextCharacterProps( rTextCharacterStyle );

        // If no text color specified let's anyway initialize it as default:

        // this will help to recover after hyperlink

        if (!aTextCharacterProps.maFillProperties.maFillColor.isUsed())

            aTextCharacterProps.maFillProperties.moFillType = XML_solidFill;

        aTextCharacterProps.assignUsed(maTextCharacterProperties);

        if ( aTextCharacterProps.moHeight.has_value() )

            nCharHeight = aTextCharacterProps.moHeight.value();

        else

            // UNO API has the character height as float, DML has it as int, but in hundreds.

            aTextCharacterProps.moHeight = static_cast<sal_Int32>(nDefaultCharHeight * 100);

        aTextCharacterProps.pushToPropSet( aPropSet, rFilterBase );

        if( maTextCharacterProperties.maHyperlinkPropertyMap.empty() )

        {

            if( mbIsLineBreak )

            {

                SAL_WARN("oox",  "OOX: TextRun::insertAt() insert line break" );

                xText->insertControlCharacter( xStart, ControlCharacter::LINE_BREAK, false );

            }

            else if (!getText().isEmpty())

            {

                sal_Int32 nIndex = 0;

                sal_Int32 nMax = getText().getLength();

                while(true)

                {

                    bool bSymbol = (getText()[nIndex] & 0xff00) == 0xf000;

                    sal_Int32 nCount = 1;

                    while(nIndex + nCount < nMax

                            && ((getText()[nIndex + nCount] & 0xff00) == 0xf000) == bSymbol)

                        ++nCount;

                    OUString aFontName;

                    sal_Int16 nFontFamily = 0, nFontPitch = 0;

                    bool bSymbolEnc(false);

                    bool bReset = false;

                    // Direct formatting for symbols.

                    if (bSymbol && aTextCharacterProps.maSymbolFont.getFontData(aFontName, nFontPitch, nFontFamily, &bSymbolEnc, rFilterBase))

                    {

                        aPropSet.setAnyProperty(PROP_CharFontName, Any(aFontName));

                        aPropSet.setAnyProperty(PROP_CharFontPitch, Any(nFontPitch));

                        aPropSet.setAnyProperty(PROP_CharFontFamily, Any(nFontFamily));

                        aPropSet.setAnyProperty(PROP_CharFontCharSet, Any(bSymbolEnc ? css::awt::CharSet::SYMBOL : css::awt::CharSet::DONTKNOW));

                        bReset = true;

                    }

                    OUString aSubString(getText().copy(nIndex, nCount));

                    xText->insertString(xStart, aSubString, false);

                    aPropSet = PropertySet(xStart);

                    // Reset to whatever it was.

                    if (bReset)

                    {

                        aPropSet.setAnyProperty(PROP_CharFontName, aOldFontName);

                        aPropSet.setAnyProperty(PROP_CharFontPitch, aOldFontPitch);

                        aPropSet.setAnyProperty(PROP_CharFontFamily, aOldFontFamily);

                        aPropSet.setAnyProperty(PROP_CharFontCharSet, aOldFontCharSet);

                    }

                    nIndex += nCount;

                    if (nIndex >= nMax)

                        break;

                    aTextCharacterProps.pushToPropSet(aPropSet, rFilterBase);

                }

            }

        }

        else

        {

            SAL_WARN("oox",  "OOX: URL field" );

            Reference< XMultiServiceFactory > xFactory( rFilterBase.getModel(), UNO_QUERY );

            Reference< XTextField > xField( xFactory->createInstance( u"com.sun.star.text.TextField.URL"_ustr ), UNO_QUERY );

            if( xField.is() )

            {

                Reference< XTextCursor > xTextFieldCursor = xText->createTextCursor();

                xTextFieldCursor->gotoEnd( false );

                PropertySet aFieldProps( xField );

                aFieldProps.setProperties( maTextCharacterProperties.maHyperlinkPropertyMap );

                aFieldProps.setProperty( PROP_Representation, getText() );

                xText->insertTextContent( xStart, xField, false );

                xTextFieldCursor->gotoEnd( true );

                if (!maTextCharacterProperties.maHyperlinkPropertyMap.hasProperty(PROP_CharColor))

                    aTextCharacterProps.maFillProperties.maFillColor.setSchemeClr(XML_hlink);

                aTextCharacterProps.maFillProperties.moFillType = XML_solidFill;

                if ( !maTextCharacterProperties.moUnderline.has_value() )

                    aTextCharacterProps.moUnderline = XML_sng;

                PropertySet aFieldTextPropSet( xTextFieldCursor );

                aTextCharacterProps.pushToPropSet( aFieldTextPropSet, rFilterBase );

            }

            else

            {

                SAL_WARN("oox",  "OOX: URL field couldn't be created" );

                xText->insertString( xStart, getText(), false );

            }

        }

    }

    catch( const Exception&  )

    {

        TOOLS_WARN_EXCEPTION("oox", "OOX: TextRun::insertAt()");

    }

    return nCharHeight;

}

}

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