#include "fastfile_cod6_360.h"
#include "zonefile_cod6_360.h"

#include "compression.h"
#include "encryption.h"
#include "utils.h"

#include <QFile>
#include <QDebug>

FastFile_COD6_360::FastFile_COD6_360()
    : FastFile() {
    SetCompany(COMPANY_INFINITY_WARD);
    SetType(FILETYPE_FAST_FILE);
    SetSignage(SIGNAGE_UNSIGNED);
    SetMagic(0);
    SetVersion(0);
    SetPlatform("360");
    SetGame("COD6");
}

FastFile_COD6_360::FastFile_COD6_360(const QByteArray& aData)
    : FastFile_COD6_360() {

    if (!aData.isEmpty()) {
        Load(aData);
    }
}

FastFile_COD6_360::FastFile_COD6_360(const QString aFilePath)
    : FastFile_COD6_360() {

    if (!aFilePath.isEmpty()) {
        Load(aFilePath);
    }
}

FastFile_COD6_360::~FastFile_COD6_360() {

}

QByteArray FastFile_COD6_360::GetBinaryData() const {
    return QByteArray();
}

bool FastFile_COD6_360::Load(const QString aFilePath) {
    if (aFilePath.isEmpty()) {
        return false;
    }

    // Check fastfile can be read
    QFile *file = new QFile(aFilePath);
    if (!file->open(QIODevice::ReadOnly)) {
        qDebug() << QString("Error: Failed to open FastFile: %1!").arg(aFilePath);
        return false;
    }

    // Decompress fastfile and close
    const QString fastFileStem = aFilePath.section("/", -1, -1);
    SetStem(fastFileStem);
    if (!Load(file->readAll())) {
        qDebug() << "Error: Failed to load fastfile: " << fastFileStem;
        return false;
    }

    file->close();

    // Open zone file after decompressing ff and writing
    return true;
}

bool FastFile_COD6_360::Load(const QByteArray aData) {
    XDataStream fastFileStream(aData);
    fastFileStream.setByteOrder(XDataStream::BigEndian);

    QByteArray magic(8, Qt::Uninitialized);
    fastFileStream.readRawData(magic.data(), 8);

    quint32 version = fastFileStream.ParseUInt32();

    if (version != 269)
    {
        qDebug() << QString("Invalid version: %1!").arg(version);
        return false;
    }

    bool localPatch = fastFileStream.ParseBool();
    Q_UNUSED(localPatch);

    quint8 compressor = fastFileStream.ParseUInt8();
    Q_UNUSED(compressor);

    // Skip fastfile date/time
    fastFileStream.skipRawData(11);

    quint32 hashCount = fastFileStream.ParseUInt32();
    fastFileStream.skipRawData(12 * hashCount);

    fastFileStream.skipRawData(8);

    QByteArray decompressedData;
    if (magic == "IWff0100")
    {

    }
    else if (magic == "IWffu100")
    {
        quint32 zlibSize = aData.size() - fastFileStream.device()->pos();
        QByteArray zlibData(zlibSize, Qt::Uninitialized);
        fastFileStream.readRawData(zlibData.data(), zlibSize);

        decompressedData = Compression::DecompressZLIB(zlibData);
    }
    Utils::ExportData(GetBaseStem() + ".zone", decompressedData);

    ZoneFile_COD6_360* zoneFile = new ZoneFile_COD6_360();
    zoneFile->SetStem(GetBaseStem() + ".zone");
    if (!zoneFile->Load(decompressedData)) {
        qWarning() << "Failed to load ZoneFile!";
        return false;
    }
    SetZoneFile(zoneFile);

    return true;
}