// Copyright (c) 2012-2022 The Bitcoin Core developers

// Distributed under the MIT software license, see the accompanying

// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <bitcoin-build-config.h> // IWYU pragma: keep

#include <clientversion.h>

#include <util/string.h>

#include <util/translation.h>

#include <tinyformat.h>

#include <string>

#include <vector>

using util::Join;

/**

 * Name of client reported in the 'version' message. Report the same name

 * for both bitcoind and bitcoin-qt, to make it harder for attackers to

 * target servers or GUI users specifically.

 */

const std::string UA_NAME("Satoshi");

#include <bitcoin-build-info.h>

// The <bitcoin-build-info.h>, which is generated by the build environment (cmake/script/GenerateBuildInfo.cmake),

// could contain only one line of the following:

//   - "#define BUILD_GIT_TAG ...", if the top commit is tagged

//   - "#define BUILD_GIT_COMMIT ...", if the top commit is not tagged

//   - "// No build information available", if proper git information is not available

//! git will put "#define GIT_COMMIT_ID ..." on the next line inside archives. $Format:%n#define GIT_COMMIT_ID "%H"$

#ifdef BUILD_GIT_TAG

    #define BUILD_DESC BUILD_GIT_TAG

    #define BUILD_SUFFIX ""

#else

    #define BUILD_DESC "v" CLIENT_VERSION_STRING

    #if CLIENT_VERSION_IS_RELEASE

        #define BUILD_SUFFIX ""

    #elif defined(BUILD_GIT_COMMIT)

        #define BUILD_SUFFIX "-" BUILD_GIT_COMMIT

    #elif defined(GIT_COMMIT_ID)

        #define BUILD_SUFFIX "-g" GIT_COMMIT_ID

    #else

        #define BUILD_SUFFIX "-unk"

    #endif

#endif

static std::string FormatVersion(int nVersion)

{

    return strprintf("%d.%d.%d", nVersion / 10000, (nVersion / 100) % 100, nVersion % 100);

}

std::string FormatFullVersion()

{

    static const std::string CLIENT_BUILD(BUILD_DESC BUILD_SUFFIX);

    return CLIENT_BUILD;

}

/**

 * Format the subversion field according to BIP 14 spec (https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki)

 */

std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)

{

    std::string comments_str;

    if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));

    return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);

}

std::string CopyrightHolders(const std::string& strPrefix)

{

    const auto copyright_devs = strprintf(_(COPYRIGHT_HOLDERS).translated, COPYRIGHT_HOLDERS_SUBSTITUTION);

    std::string strCopyrightHolders = strPrefix + copyright_devs;

    // Make sure Bitcoin Core copyright is not removed by accident

    if (copyright_devs.find("Bitcoin Core") == std::string::npos) {

        strCopyrightHolders += "\n" + strPrefix + "The Bitcoin Core developers";

    }

    return strCopyrightHolders;

}

std::string LicenseInfo()

{

    const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";

    return CopyrightHolders(strprintf(_("Copyright (C) %i-%i").translated, 2009, COPYRIGHT_YEAR) + " ") + "\n" +

           "\n" +

           strprintf(_("Please contribute if you find %s useful. "

                       "Visit %s for further information about the software.").translated, CLIENT_NAME, "<" CLIENT_URL ">") +

           "\n" +

           strprintf(_("The source code is available from %s.").translated, URL_SOURCE_CODE) +

           "\n" +

           "\n" +

           _("This is experimental software.").translated + "\n" +

           strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s").translated, "COPYING", "<https://opensource.org/licenses/MIT>") +

           "\n";

}