/* -*- 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 <algorithm>

#include <com/sun/star/uno/Sequence.hxx>

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

#include <osl/diagnose.h>

#include <oox/drawingml/clrscheme.hxx>

#include <oox/token/tokens.hxx>

#include <comphelper/sequence.hxx>

#include <frozen/bits/defines.h>

#include <frozen/bits/elsa_std.h>

#include <frozen/unordered_map.h>

using namespace com::sun::star;

namespace oox::drawingml {

namespace

{

constexpr auto constPredefinedClrNames = frozen::make_unordered_map<PredefinedClrSchemeId, std::u16string_view>

({

    { dk1, u"dk1" },

    { lt1, u"lt1" },

    { dk2, u"dk2" },

    { lt2, u"lt2" },

    { accent1, u"accent1" },

    { accent2, u"accent2" },

    { accent3, u"accent3" },

    { accent4, u"accent4" },

    { accent5, u"accent5" },

    { accent6, u"accent6" },

    { hlink, u"hlink" },

    { folHlink, u"folHlink" }

});

} // end anonymous namespace

std::u16string_view getPredefinedClrNames(PredefinedClrSchemeId eID)

{

    std::u16string_view empty;

    auto iterator = constPredefinedClrNames.find(eID);

    if (iterator == constPredefinedClrNames.end())

        return empty;

    return iterator->second;

}

bool ClrMap::getColorMap( sal_Int32& nClrToken )

{

    sal_Int32 nMapped = 0;

    std::map < sal_Int32, sal_Int32 >::const_iterator aIter( maClrMap.find( nClrToken ) );

    if ( aIter != maClrMap.end() )

        nMapped = (*aIter).second;

    if ( nMapped )

    {

        nClrToken = nMapped;

        return true;

    }

    else

        return false;

}

void ClrMap::setColorMap( sal_Int32 nClrToken, sal_Int32 nMappedClrToken )

{

    maClrMap[ nClrToken ] = nMappedClrToken;

}

namespace {

struct find_by_token

{

    explicit find_by_token(sal_Int32 token):

        m_token(token)

    {

    }

    bool operator()(const std::pair<sal_Int32, ::Color>& r)

    {

        return r.first == m_token;

    }

private:

    sal_Int32 m_token;

};

}

bool ClrScheme::getColor( sal_Int32 nSchemeClrToken, ::Color& rColor ) const

{

    OSL_ASSERT((nSchemeClrToken & sal_Int32(0xFFFF0000))==0);

    switch( nSchemeClrToken )

    {

        case XML_bg1 : nSchemeClrToken = XML_lt1; break;

        case XML_bg2 : nSchemeClrToken = XML_lt2; break;

        case XML_tx1 : nSchemeClrToken = XML_dk1; break;

        case XML_tx2 : nSchemeClrToken = XML_dk2; break;

        case XML_background1 : nSchemeClrToken = XML_lt1; break;

        case XML_background2 : nSchemeClrToken = XML_lt2; break;

        case XML_text1 : nSchemeClrToken = XML_dk1; break;

        case XML_text2 : nSchemeClrToken = XML_dk2; break;

        case XML_light1 : nSchemeClrToken = XML_lt1; break;

        case XML_light2 : nSchemeClrToken = XML_lt2; break;

        case XML_dark1 : nSchemeClrToken = XML_dk1; break;

        case XML_dark2 : nSchemeClrToken = XML_dk2; break;

        case XML_hyperlink : nSchemeClrToken = XML_hlink; break;

        case XML_followedHyperlink: nSchemeClrToken = XML_folHlink; break;

    }

    auto aIter = std::find_if(maClrScheme.begin(), maClrScheme.end(), find_by_token(nSchemeClrToken) );

    if ( aIter != maClrScheme.end() )

        rColor = aIter->second;

    return aIter != maClrScheme.end();

}

void ClrScheme::setColor( sal_Int32 nSchemeClrToken, ::Color nColor )

{

    const auto aIter = std::find_if(maClrScheme.begin(), maClrScheme.end(), find_by_token(nSchemeClrToken) );

    if ( aIter != maClrScheme.end() )

        aIter->second = nColor;

    else

        maClrScheme.emplace_back(nSchemeClrToken, nColor);

}

bool ClrScheme::getColorByIndex(size_t nIndex, ::Color& rColor) const

{

    if (nIndex >= maClrScheme.size())

        return false;

    rColor = maClrScheme[nIndex].second;

    return true;

}

void ClrScheme::ToAny(css::uno::Any& rVal) const

{

    std::vector<util::Color> aRet;

    for (const auto& rIndexAndColor : maClrScheme)

    {

        aRet.push_back(static_cast<sal_Int32>(rIndexAndColor.second));

    }

    rVal <<= comphelper::containerToSequence(aRet);

}

void ClrScheme::fill(model::ColorSet& rColorSet) const

{

    for (const auto& [nToken, rColor] : maClrScheme)

    {

        switch (nToken)

        {

            case XML_tx1:

            case XML_dk1: rColorSet.add(model::ThemeColorType::Dark1, rColor); break;

            case XML_bg1:

            case XML_lt1: rColorSet.add(model::ThemeColorType::Light1, rColor); break;

            case XML_tx2:

            case XML_dk2: rColorSet.add(model::ThemeColorType::Dark2, rColor); break;

            case XML_bg2:

            case XML_lt2: rColorSet.add(model::ThemeColorType::Light2, rColor); break;

            case XML_accent1: rColorSet.add(model::ThemeColorType::Accent1, rColor); break;

            case XML_accent2: rColorSet.add(model::ThemeColorType::Accent2, rColor); break;

            case XML_accent3: rColorSet.add(model::ThemeColorType::Accent3, rColor); break;

            case XML_accent4: rColorSet.add(model::ThemeColorType::Accent4, rColor); break;

            case XML_accent5: rColorSet.add(model::ThemeColorType::Accent5, rColor); break;

            case XML_accent6: rColorSet.add(model::ThemeColorType::Accent6, rColor); break;

            case XML_hlink: rColorSet.add(model::ThemeColorType::Hyperlink, rColor); break;

            case XML_folHlink: rColorSet.add(model::ThemeColorType::FollowedHyperlink, rColor); break;

            default: break;

        }

    }

}

}

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