/* -*- 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/.
 */

#pragma once

#include <map>
#include <stack>
#include <vector>

#include <librevenge/librevenge.h>

#include <com/sun/star/xml/sax/XDocumentHandler.hpp>

#include <cppuhelper/implbase.hxx>
#include <rtl/ref.hxx>
#include <tools/gen.hxx>

#include "xmlictxt.hxx"

namespace com::sun::star
{
namespace beans
{
struct PropertyValue;
}
namespace uno
{
class XComponentContext;
}
namespace uri
{
class XUriReferenceFactory;
}
}

namespace writerperfect::exp
{
class XMLImportContext;

/// Contains info about a fixed-layout page.
struct FixedLayoutPage
{
    css::uno::Sequence<sal_Int8> aMetafile;
    Size aCssPixels;
    std::vector<OUString> aChapterNames;
};

/// States describing the result of a link -> popup conversion.
enum class PopupState
{
    /// Conversion did not happen yet.
    NONE,
    /// The relative link was converted to a popup.
    Consumed,
    /// The absolute link was not handled.
    NotConsumed,
    /// The relative link is invalid and should be ignored.
    Ignore
};

/// ODT export feeds this class to make librevenge calls.
class XMLImport : public cppu::WeakImplHelper<css::xml::sax::XDocumentHandler>
{
    librevenge::RVNGTextInterface& mrGenerator;
    std::stack<rtl::Reference<XMLImportContext>> maContexts;
    std::map<OUString, librevenge::RVNGPropertyList> maAutomaticTextStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maTextStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maAutomaticParagraphStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maParagraphStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maAutomaticCellStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maCellStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maAutomaticColumnStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maColumnStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maAutomaticRowStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maRowStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maAutomaticTableStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maTableStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maAutomaticGraphicStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maGraphicStyles;
    std::map<OUString, librevenge::RVNGPropertyList> maPageLayouts;
    std::map<OUString, librevenge::RVNGPropertyList> maMasterStyles;
    librevenge::RVNGPropertyListVector maCoverImages;
    /// Author, date, etc -- overwrites what would be from the document out of the box.
    librevenge::RVNGPropertyList maMetaData;
    const css::uno::Reference<css::uno::XComponentContext>& mxContext;
    css::uno::Reference<css::uri::XUriReferenceFactory> mxUriReferenceFactory;
    OUString maMediaDir;
    bool mbIsInPageSpan;
    const std::vector<FixedLayoutPage>& mrPageMetafiles;

public:
    XMLImport(const css::uno::Reference<css::uno::XComponentContext>& xContext,
              librevenge::RVNGTextInterface& rGenerator, const OUString& rURL,
              const css::uno::Sequence<css::beans::PropertyValue>& rDescriptor,
              const std::vector<FixedLayoutPage>& rPageMetafiles);

    rtl::Reference<XMLImportContext>
    CreateContext(std::u16string_view rName,
                  const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs);

    librevenge::RVNGTextInterface& GetGenerator() const;
    std::map<OUString, librevenge::RVNGPropertyList>& GetAutomaticTextStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetAutomaticParagraphStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetAutomaticCellStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetAutomaticColumnStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetAutomaticRowStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetAutomaticTableStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetAutomaticGraphicStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetTextStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetParagraphStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetCellStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetColumnStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetRowStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetTableStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetGraphicStyles();
    std::map<OUString, librevenge::RVNGPropertyList>& GetPageLayouts();
    std::map<OUString, librevenge::RVNGPropertyList>& GetMasterStyles();
    const librevenge::RVNGPropertyListVector& GetCoverImages() const;
    const librevenge::RVNGPropertyList& GetMetaData() const;
    PopupState FillPopupData(const OUString& rURL, librevenge::RVNGPropertyList& rPropList);
    const std::vector<FixedLayoutPage>& GetPageMetafiles() const;
    const css::uno::Reference<css::uno::XComponentContext>& GetComponentContext() const;

    bool GetIsInPageSpan() const { return mbIsInPageSpan; }
    void HandlePageSpan(const librevenge::RVNGPropertyList& rPropertyList);

    // XDocumentHandler
    void SAL_CALL startDocument() override;
    void SAL_CALL endDocument() override;
    void SAL_CALL
    startElement(const OUString& rName,
                 const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs) override;
    void SAL_CALL endElement(const OUString& rName) override;
    void SAL_CALL characters(const OUString& rChars) override;
    void SAL_CALL ignorableWhitespace(const OUString& rWhitespaces) override;
    void SAL_CALL processingInstruction(const OUString& rTarget, const OUString& rData) override;
    void SAL_CALL
    setDocumentLocator(const css::uno::Reference<css::xml::sax::XLocator>& xLocator) override;
};

} // namespace writerperfect::exp

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