#include "util/versionstore.h"

#include <soundtouch/SoundTouch.h>

#include <QCoreApplication>
#include <QStandardPaths>
#include <QStringList>
#include <QtDebug>
#include <QtGlobal>

// shout.h checks for WIN32 to see if we are on Windows.
#ifdef WIN64
#define WIN32
#endif
#ifdef __BROADCAST__
#include <shoutidjc/shout.h>
#endif
#ifdef WIN64
#undef WIN32
#endif

#include <FLAC/format.h>
#include <chromaprint.h>
#include <lame/lame.h>
#include <portaudio.h>
#include <rubberband/RubberBandStretcher.h>
#include <sndfile.h>
#include <taglib/taglib.h>
#include <vorbis/codec.h>

#include "util/gitinfostore.h"
#include "version.h"

namespace {

const QVersionNumber kMixxxVersionNumber = QVersionNumber(
        MIXXX_VERSION_MAJOR, MIXXX_VERSION_MINOR, MIXXX_VERSION_PATCH);
const QString kMixxxVersionSuffix = QString(MIXXX_VERSION_SUFFIX);
const QString kMixxx = QStringLiteral("Mixxx");
const QString kBuildFlags = QString(MIXXX_BUILD_FLAGS);

} // namespace

// static
QString VersionStore::version() {
    if (kMixxxVersionSuffix.isEmpty()) {
        return kMixxxVersionNumber.toString();
    } else {
        return kMixxxVersionNumber.toString() + QStringLiteral("-") + kMixxxVersionSuffix;
    }
}

// static
QVersionNumber VersionStore::versionNumber() {
    return kMixxxVersionNumber;
}

// static
QString VersionStore::versionSuffix() {
    return kMixxxVersionSuffix;
}

QDateTime VersionStore::date() {
    return QDateTime::fromString(GitInfoStore::date(), Qt::ISODate);
}

// static
QString VersionStore::applicationName() {
    return kMixxx;
}

// static
QString VersionStore::platform() {
#ifdef __APPLE__
    QString base = QStringLiteral("macOS");
#elif defined(__LINUX__)
    QString base = QStringLiteral("Linux");
#elif defined(__WINDOWS__)
    QString base = QStringLiteral("Windows");
// Mixxx's CMakeLists.txt does not define this, but FreeBSD's ports system does.
#elif defined(__FREEBSD__)
    QString base = QStringLiteral("FreeBSD");
#elif defined(__BSD__)
    QString base = QStringLiteral("BSD");
#else
    QString base = QStringLiteral("Unknown OS");
#endif

#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || \
        defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64) || \
        defined(AMD64) || defined(EM64T) || defined(x86_64)
    base.append(" x86_64");
#elif defined(i386) || defined(__i386) || defined(__i386__) ||     \
        defined(__IA32__) || defined(_M_IX86) || defined(_X86_) || \
        defined(__X86__) || defined(__I86__)
    base.append(" x86");
#elif defined(IA64)
    base.append(" IA64");
#elif defined(__aarch64__)
    base.append(" ARM64");
#elif defined(__arm__) || defined(__thumb__) || defined(_ARM) || \
        defined(_M_ARM) || defined(_M_ARMT) || defined(__arm)
    base.append(" ARM");
#elif defined(mips) || defined(__mips)
    base.append(" MIPS");
#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) || \
        defined(__ppc__) || defined(__ppc) || defined(__PPC__) ||             \
        defined(__PPC64__) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) ||   \
        defined(_M_PPC)
    base.append(" PowerPC");
#endif

    return base;
}

// static
QString VersionStore::gitBranch() {
    return GitInfoStore::branch();
}

// static
QString VersionStore::gitDescribe() {
    return GitInfoStore::describe();
}

// static
QString VersionStore::gitVersion() {
    QString gitVersion = GitInfoStore::describe();
    if (gitVersion.isEmpty()) {
        gitVersion = QStringLiteral("unknown");
    }

    QString gitBranch = VersionStore::gitBranch();
    if (!gitBranch.isEmpty() && !gitVersion.startsWith(gitBranch)) {
        gitVersion.append(QStringLiteral(" (") + gitBranch + QChar(')'));
    }

    return gitVersion;
}

// static
QString VersionStore::buildFlags() {
    return kBuildFlags;
}

QStringList VersionStore::dependencyVersions() {
    char sndfile_version[128];
    sf_command(nullptr, SFC_GET_LIB_VERSION, sndfile_version, sizeof(sndfile_version));
    // Null-terminate just in case.
    sndfile_version[sizeof(sndfile_version) - 1] = '\0';
    // WARNING: may be inaccurate since some come from compile-time header
    // definitions instead of the actual dynamically loaded library).
    QStringList result;
    result
            // Should be accurate.
            << QString("Qt: %1").arg(qVersion())
#ifdef __BROADCAST__
            // Should be accurate.
            << QString("libshout: %1")
                       .arg(shout_version(nullptr, nullptr, nullptr))
#endif
            << QString("PortAudio: %1 %2")
                       .arg(Pa_GetVersion())
                       .arg(Pa_GetVersionText())
            // The version of the RubberBand headers Mixxx was compiled with.
            << QString("RubberBand: %1").arg(RUBBERBAND_VERSION)
            // The version of the SoundTouch headers Mixxx was compiled with.
            << QString("SoundTouch: %1").arg(SOUNDTOUCH_VERSION)
            // The version of the TagLib headers Mixxx was compiled with.
            << QString("TagLib: %1.%2.%3")
                       .arg(QString::number(TAGLIB_MAJOR_VERSION),
                               QString::number(TAGLIB_MINOR_VERSION),
                               QString::number(TAGLIB_PATCH_VERSION))
            // The version of the ChromaPrint headers Mixxx was compiled with.
            << QString("ChromaPrint: %1.%2.%3")
                       .arg(QString::number(CHROMAPRINT_VERSION_MAJOR),
                               QString::number(CHROMAPRINT_VERSION_MINOR),
                               QString::number(CHROMAPRINT_VERSION_PATCH))
            // Should be accurate.
            << QString("Vorbis: %1").arg(vorbis_version_string())
            // Should be accurate.
            << QString("libsndfile: %1").arg(sndfile_version)
            // The version of the FLAC headers Mixxx was compiled with.
            << QString("FLAC: %1").arg(FLAC__VERSION_STRING)
            << QString("libmp3lame: %1").arg(get_lame_version());

    return result;
}

void VersionStore::logBuildDetails() {
    QString version = VersionStore::version();
    QString buildFlags = VersionStore::buildFlags();

    QStringList buildInfo;
    buildInfo.append(QString("git %1").arg(VersionStore::gitVersion()));
#ifndef DISABLE_BUILDTIME // buildtime=1, on by default
    buildInfo.append("built on: " __DATE__ " @ " __TIME__);
#endif
    if (!buildFlags.isEmpty()) {
        buildInfo.append(QString("flags: %1").arg(buildFlags.trimmed()));
    }
    QString buildInfoFormatted = QString("(%1)").arg(buildInfo.join("; "));

    // This is the first line in mixxx.log
    qDebug().noquote() << applicationName() << version << buildInfoFormatted << "is starting...";

    QStringList depVersions = dependencyVersions();
    qDebug() << "Compile time library versions:";
    foreach (const QString& depVersion, depVersions) {
        qDebug() << qPrintable(depVersion);
    }

    qDebug() << "QStandardPaths::writableLocation(HomeLocation):"
             << QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
    qDebug() << "QStandardPaths::writableLocation(DataLocation):"
             << QStandardPaths::writableLocation(QStandardPaths::DataLocation);
    qDebug() << "QCoreApplication::applicationDirPath()"
             << QCoreApplication::applicationDirPath();
}