/* Copyright (c) 2023-2026 hors<horsicq@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef XZLIB_H
#define XZLIB_H

#include "xarchive.h"

class XZlib : public XArchive {
    Q_OBJECT

public:
    virtual QList<QString> getSearchSignatures() override;
    virtual XBinary *createInstance(QIODevice *pDevice, bool bIsImage = false, XADDR nModuleAddress = -1) override;
    explicit XZlib(QIODevice *pDevice = nullptr);

    virtual bool isValid(PDSTRUCT *pPdStruct = nullptr);
    static bool isValid(QIODevice *pDevice, PDSTRUCT *pPdStruct = nullptr);

    virtual qint64 getFileFormatSize(PDSTRUCT *pPdStruct);

    virtual QList<MAPMODE> getMapModesList();
    virtual _MEMORY_MAP getMemoryMap(MAPMODE mapMode = MAPMODE_UNKNOWN, PDSTRUCT *pPdStruct = nullptr);
    virtual FT getFileType();
    virtual QString getVersion();
    virtual QString getFileFormatExt();
    virtual QString getFileFormatExtsString();
    virtual QString getMIMEString();
    virtual QList<FPART> getFileParts(quint32 nFileParts, qint32 nLimit = -1, PDSTRUCT *pPdStruct = nullptr) override;

    // Streaming unpacking API
    virtual bool initUnpack(UNPACK_STATE *pState, const QMap<UNPACK_PROP, QVariant> &mapProperties, PDSTRUCT *pPdStruct = nullptr) override;
    virtual ARCHIVERECORD infoCurrent(UNPACK_STATE *pState, PDSTRUCT *pPdStruct = nullptr) override;
    virtual bool unpackCurrent(UNPACK_STATE *pState, QIODevice *pDevice, PDSTRUCT *pPdStruct = nullptr) override;
    virtual bool moveToNext(UNPACK_STATE *pState, PDSTRUCT *pPdStruct = nullptr) override;
    virtual bool finishUnpack(UNPACK_STATE *pState, PDSTRUCT *pPdStruct = nullptr) override;

    // Streaming packing API
    virtual bool initPack(PACK_STATE *pState, QIODevice *pDevice, const QMap<PACK_PROP, QVariant> &mapProperties, PDSTRUCT *pPdStruct = nullptr) override;
    virtual bool addDevice(PACK_STATE *pState, QIODevice *pDevice, PDSTRUCT *pPdStruct = nullptr) override;
    virtual bool addFile(PACK_STATE *pState, const QString &sFileName, PDSTRUCT *pPdStruct = nullptr) override;
    virtual bool addFolder(PACK_STATE *pState, const QString &sDirectoryPath, PDSTRUCT *pPdStruct = nullptr) override;
    virtual bool finishPack(PACK_STATE *pState, PDSTRUCT *pPdStruct = nullptr) override;

private:
struct ZLIB_UNPACK_CONTEXT {
        QString sFileName;
        qint64 nHeaderSize;
        qint64 nCompressedSize;
        qint64 nUncompressedSize;
        quint32 nAdler32;
    };

    struct ZLIB_PACK_CONTEXT {
        bool bDataAdded;  // Track if data has been added (only one stream allowed)
    };

};

#endif  // XZLIB_H

