/*
 * Copyright 2011, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Oliver Tappe <zooey@hirschkaefer.de>
 */


#include "ValidateChecksumJob.h"

#include <File.h>

#include <package/Context.h>


namespace BPackageKit {

namespace BPrivate {


ValidateChecksumJob::ValidateChecksumJob(const BContext& context,
        const BString& title, ChecksumAccessor* expectedChecksumAccessor,
        ChecksumAccessor* realChecksumAccessor, bool failIfChecksumsDontMatch)
        :
        inherited(context, title),
        fExpectedChecksumAccessor(expectedChecksumAccessor),
        fRealChecksumAccessor(realChecksumAccessor),
        fFailIfChecksumsDontMatch(failIfChecksumsDontMatch),
        fChecksumsMatch(false)
{
}


ValidateChecksumJob::~ValidateChecksumJob()
{
        delete fRealChecksumAccessor;
        delete fExpectedChecksumAccessor;
}


status_t
ValidateChecksumJob::Execute()
{
        if (fExpectedChecksumAccessor == NULL || fRealChecksumAccessor == NULL)
                return B_BAD_VALUE;

        BString expectedChecksum;
        BString realChecksum;

        status_t result = fExpectedChecksumAccessor->GetChecksum(expectedChecksum);
        if (result != B_OK)
                return result;

        result = fRealChecksumAccessor->GetChecksum(realChecksum);
        if (result != B_OK)
                return result;

        fChecksumsMatch = expectedChecksum.ICompare(realChecksum) == 0;

        if (fFailIfChecksumsDontMatch && !fChecksumsMatch) {
                BString error = BString("Checksum error:\n")
                        << "expected '" << expectedChecksum << "'\n"
                        << "got      '" << realChecksum << "'";
                SetErrorString(error);
                return B_BAD_DATA;
        }

        return B_OK;
}


bool
ValidateChecksumJob::ChecksumsMatch() const
{
        return fChecksumsMatch;
}


}       // namespace BPrivate

}       // namespace BPackageKit