// Copyright (c) 2020, The Monero Project
//
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// permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
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#pragma once

#include <QPair>

#include <openpgp/openpgp.h>

class Updater
{
public:
    Updater();

    QByteArray fetchSignedHash(
        const QString &binaryFilename,
        const QByteArray &hashFromDns,
        QPair<QString, QString> &signers) const;
    QByteArray getHash(const void *data, size_t size) const;
    QPair<QString, QString> verifySignaturesAndHashSum(
        const QByteArray &armoredSignedHashes,
        const QByteArray &secondDetachedSignature,
        const QString &binaryFilename,
        const void *binaryData,
        size_t binarySize) const;

private:
    QByteArray verifyParseSignedHahes(
        const QByteArray &armoredSignedHashes,
        const QByteArray &secondDetachedSignature,
        const QString &binaryFilename,
        QPair<QString, QString> &signers) const;
    QString verifySignature(const QByteArray &armoredSignedMessage, QString &signer) const;
    QString verifySignature(const epee::span<const uint8_t> data, const openpgp::signature_rsa &signature) const;
    QByteArray parseShasumOutput(const QString &message, const QString &filename) const;

private:
    std::vector<openpgp::public_key_rsa> m_maintainers;
};
