/****************************************************************************
**
** Copyright (C) 2016 BogDan Vatra <bog_dan_ro@yahoo.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#include "androidconfigurations.h"
#include "androidconstants.h"
#include "androidtoolchain.h"
#include "androiddevice.h"
#include "androidgdbserverkitinformation.h"
#include "androidmanager.h"
#include "androidqtversion.h"
#include "androiddevicedialog.h"
#include "androidsdkmanager.h"
#include "androidtoolmanager.h"
#include "avddialog.h"

#include <coreplugin/icore.h>
#include <coreplugin/messagemanager.h>
#include <projectexplorer/kitmanager.h>
#include <projectexplorer/kitinformation.h>
#include <projectexplorer/devicesupport/devicemanager.h>
#include <projectexplorer/project.h>
#include <projectexplorer/toolchainmanager.h>
#include <projectexplorer/session.h>
#include <debugger/debuggeritemmanager.h>
#include <debugger/debuggeritem.h>
#include <debugger/debuggerkitinformation.h>
#include <qtsupport/baseqtversion.h>
#include <qtsupport/qtkitinformation.h>
#include <qtsupport/qtversionmanager.h>
#include <utils/algorithm.h>
#include <utils/environment.h>
#include <utils/hostosinfo.h>
#include <utils/persistentsettings.h>
#include <utils/qtcassert.h>
#include <utils/runextensions.h>
#include <utils/synchronousprocess.h>

#include <QApplication>
#include <QDirIterator>
#include <QFileInfo>
#include <QHostAddress>
#include <QProcess>
#include <QSettings>
#include <QStringList>
#include <QTcpSocket>
#include <QThread>

#include <functional>

using namespace ProjectExplorer;
using namespace Utils;

namespace Android {
using namespace Internal;

namespace {

    const QVersionNumber sdkToolsAntMissingVersion(25, 3, 0);

    const QLatin1String SettingsGroup("AndroidConfigurations");
    const QLatin1String SDKLocationKey("SDKLocation");
    const QLatin1String NDKLocationKey("NDKLocation");
    const QLatin1String AntLocationKey("AntLocation");
    const QLatin1String OpenJDKLocationKey("OpenJDKLocation");
    const QLatin1String KeystoreLocationKey("KeystoreLocation");
    const QLatin1String AutomaticKitCreationKey("AutomatiKitCreation");
    const QLatin1String UseGradleKey("UseGradle");
    const QLatin1String MakeExtraSearchDirectory("MakeExtraSearchDirectory");
    const QLatin1String PartitionSizeKey("PartitionSize");
    const QLatin1String ToolchainHostKey("ToolchainHost");

    const QLatin1String ArmToolchainPrefix("arm-linux-androideabi");
    const QLatin1String X86ToolchainPrefix("x86");
    const QLatin1String MipsToolchainPrefix("mipsel-linux-android");
    const QLatin1String AArch64ToolchainPrefix("aarch64-linux-android");
    const QLatin1String X86_64ToolchainPrefix("x86_64");

    const QLatin1String ArmToolsPrefix("arm-linux-androideabi");
    const QLatin1String X86ToolsPrefix("i686-linux-android");
    const QLatin1String MipsToolsPrefix("mipsel-linux-android");
    const QLatin1String AArch64ToolsPrefix("aarch64-linux-android");
    const QLatin1String X86_64ToolsPrefix("x86_64-linux-android");

    const QLatin1String ArmToolsDisplayName("arm");
    const QLatin1String X86ToolsDisplayName("i686");
    const QLatin1String MipsToolsDisplayName("mipsel");
    const QLatin1String AArch64ToolsDisplayName("aarch64");
    const QLatin1String X86_64ToolsDisplayName("x86_64");

    const QLatin1String Unknown("unknown");
    const QLatin1String keytoolName("keytool");
    const QLatin1String changeTimeStamp("ChangeTimeStamp");

    const QLatin1String sdkToolsVersionKey("Pkg.Revision");

    static QString sdkSettingsFileName()
    {
        return QFileInfo(Core::ICore::settings(QSettings::SystemScope)->fileName()).absolutePath()
                + QLatin1String("/qtcreator/android.xml");
    }

    static bool is32BitUserSpace()
    {
        // Do the exact same check as android's emulator is doing:
        if (HostOsInfo::isLinuxHost()) {
            if (QSysInfo::WordSize == 32 ) {
                Environment env = Environment::systemEnvironment();
                QString executable = env.searchInPath(QLatin1String("file")).toString();
                QString shell = env.value(QLatin1String("SHELL"));
                if (executable.isEmpty() || shell.isEmpty())
                    return true; // we can't detect, but creator is 32bit so assume 32bit

                SynchronousProcess proc;
                proc.setProcessChannelMode(QProcess::MergedChannels);
                proc.setTimeoutS(30);
                SynchronousProcessResponse response = proc.runBlocking(executable, QStringList(shell));
                if (response.result != SynchronousProcessResponse::Finished)
                    return true;
                return !response.allOutput().contains("x86-64");
            }
        }
        return false;
    }
}

//////////////////////////////////
// AndroidConfig
//////////////////////////////////

Abi AndroidConfig::abiForToolChainPrefix(const QString &toolchainPrefix)
{
    Abi::Architecture arch = Abi::UnknownArchitecture;
    unsigned char wordWidth = 32;
    if (toolchainPrefix == ArmToolchainPrefix) {
        arch = Abi::ArmArchitecture;
    } else if (toolchainPrefix == X86ToolchainPrefix) {
        arch = Abi::X86Architecture;
    } else if (toolchainPrefix == MipsToolchainPrefix) {
        arch = Abi::MipsArchitecture;
    } else if (toolchainPrefix == AArch64ToolchainPrefix) {
        arch = Abi::ArmArchitecture;
        wordWidth = 64;
    } else if (toolchainPrefix == X86_64ToolchainPrefix) {
        arch = Abi::X86Architecture;
        wordWidth = 64;
    }

    return Abi(arch, Abi::LinuxOS, Abi::AndroidLinuxFlavor, Abi::ElfFormat, wordWidth);
}

QLatin1String AndroidConfig::toolchainPrefix(const Abi &abi)
{
    switch (abi.architecture()) {
    case Abi::ArmArchitecture:
        if (abi.wordWidth() == 64)
            return AArch64ToolchainPrefix;
        return ArmToolchainPrefix;
    case Abi::X86Architecture:
        if (abi.wordWidth() == 64)
            return X86_64ToolchainPrefix;
        return X86ToolchainPrefix;
    case Abi::MipsArchitecture:
        return MipsToolchainPrefix;
    default:
        return Unknown;
    }
}

QLatin1String AndroidConfig::toolsPrefix(const Abi &abi)
{
    switch (abi.architecture()) {
    case Abi::ArmArchitecture:
        if (abi.wordWidth() == 64)
            return AArch64ToolsPrefix;
        return ArmToolsPrefix;
    case Abi::X86Architecture:
        if (abi.wordWidth() == 64)
            return X86_64ToolsPrefix;
        return X86ToolsPrefix;
    case Abi::MipsArchitecture:
        return MipsToolsPrefix;
    default:
        return Unknown;
    }
}

QLatin1String AndroidConfig::displayName(const Abi &abi)
{
    switch (abi.architecture()) {
    case Abi::ArmArchitecture:
        if (abi.wordWidth() == 64)
            return AArch64ToolsDisplayName;
        return ArmToolsDisplayName;
    case Abi::X86Architecture:
        if (abi.wordWidth() == 64)
            return X86_64ToolsDisplayName;
        return X86ToolsDisplayName;
    case Abi::MipsArchitecture:
        return MipsToolsDisplayName;
    default:
        return Unknown;
    }
}

void AndroidConfig::load(const QSettings &settings)
{
    // user settings
    m_partitionSize = settings.value(PartitionSizeKey, 1024).toInt();
    m_sdkLocation = FileName::fromString(settings.value(SDKLocationKey).toString());
    m_ndkLocation = FileName::fromString(settings.value(NDKLocationKey).toString());
    m_antLocation = FileName::fromString(settings.value(AntLocationKey).toString());
    m_useGradle = settings.value(UseGradleKey, false).toBool();
    m_openJDKLocation = FileName::fromString(settings.value(OpenJDKLocationKey).toString());
    m_keystoreLocation = FileName::fromString(settings.value(KeystoreLocationKey).toString());
    m_toolchainHost = settings.value(ToolchainHostKey).toString();
    m_automaticKitCreation = settings.value(AutomaticKitCreationKey, true).toBool();
    QString extraDirectory = settings.value(MakeExtraSearchDirectory).toString();
    m_makeExtraSearchDirectories.clear();
    if (!extraDirectory.isEmpty())
        m_makeExtraSearchDirectories << extraDirectory;

    PersistentSettingsReader reader;
    if (reader.load(FileName::fromString(sdkSettingsFileName()))
            && settings.value(changeTimeStamp).toInt() != QFileInfo(sdkSettingsFileName()).lastModified().toMSecsSinceEpoch() / 1000) {
        // persisten settings
        m_sdkLocation = FileName::fromString(reader.restoreValue(SDKLocationKey, m_sdkLocation.toString()).toString());
        m_ndkLocation = FileName::fromString(reader.restoreValue(NDKLocationKey, m_ndkLocation.toString()).toString());
        m_antLocation = FileName::fromString(reader.restoreValue(AntLocationKey, m_antLocation.toString()).toString());
        m_openJDKLocation = FileName::fromString(reader.restoreValue(OpenJDKLocationKey, m_openJDKLocation.toString()).toString());
        m_keystoreLocation = FileName::fromString(reader.restoreValue(KeystoreLocationKey, m_keystoreLocation.toString()).toString());
        m_toolchainHost = reader.restoreValue(ToolchainHostKey, m_toolchainHost).toString();
        m_automaticKitCreation = reader.restoreValue(AutomaticKitCreationKey, m_automaticKitCreation).toBool();
        QString extraDirectory = reader.restoreValue(MakeExtraSearchDirectory).toString();
        m_makeExtraSearchDirectories.clear();
        if (!extraDirectory.isEmpty())
            m_makeExtraSearchDirectories << extraDirectory;
        // persistent settings
    }
    m_availableSdkPlatformsUpToDate = false;
    m_NdkInformationUpToDate = false;
}

void AndroidConfig::save(QSettings &settings) const
{
    QFileInfo fileInfo(sdkSettingsFileName());
    if (fileInfo.exists())
        settings.setValue(changeTimeStamp, fileInfo.lastModified().toMSecsSinceEpoch() / 1000);

    // user settings
    settings.setValue(SDKLocationKey, m_sdkLocation.toString());
    settings.setValue(NDKLocationKey, m_ndkLocation.toString());
    settings.setValue(AntLocationKey, m_antLocation.toString());
    settings.setValue(UseGradleKey, m_useGradle);
    settings.setValue(OpenJDKLocationKey, m_openJDKLocation.toString());
    settings.setValue(KeystoreLocationKey, m_keystoreLocation.toString());
    settings.setValue(PartitionSizeKey, m_partitionSize);
    settings.setValue(AutomaticKitCreationKey, m_automaticKitCreation);
    settings.setValue(ToolchainHostKey, m_toolchainHost);
    settings.setValue(MakeExtraSearchDirectory,
                      m_makeExtraSearchDirectories.isEmpty() ? QString()
                                                             : m_makeExtraSearchDirectories.at(0));
}

void AndroidConfig::updateNdkInformation() const
{
    if (m_NdkInformationUpToDate)
        return;
    m_availableNdkPlatforms.clear();
    FileName path = ndkLocation();
    QDirIterator it(path.appendPath("platforms").toString(), QStringList("android-*"), QDir::Dirs);
    while (it.hasNext()) {
        const QString &fileName = it.next();
        m_availableNdkPlatforms.push_back(fileName.midRef(fileName.lastIndexOf(QLatin1Char('-')) + 1).toInt());
    }
    Utils::sort(m_availableNdkPlatforms, std::greater<int>());

    // detect toolchain host
    QStringList hostPatterns;
    switch (HostOsInfo::hostOs()) {
    case OsTypeLinux:
        hostPatterns << QLatin1String("linux*");
        break;
    case OsTypeWindows:
        hostPatterns << QLatin1String("windows*");
        break;
    case OsTypeMac:
        hostPatterns << QLatin1String("darwin*");
        break;
    default: /* unknown host */ return;
    }

    path = ndkLocation();
    QDirIterator jt(path.appendPath(QLatin1String("prebuilt")).toString(), hostPatterns, QDir::Dirs);
    if (jt.hasNext()) {
        jt.next();
        m_toolchainHost = jt.fileName();
    }

    m_NdkInformationUpToDate = true;
}

void AndroidConfig::updateAvailableSdkPlatforms() const
{
    if (m_availableSdkPlatformsUpToDate)
        return;

    m_availableSdkPlatforms.clear();
    AndroidSdkManager sdkManager(*this);
    m_availableSdkPlatforms = sdkManager.availableSdkPlatforms();
    m_availableSdkPlatformsUpToDate = true;
}

QStringList AndroidConfig::apiLevelNamesFor(const QList<SdkPlatform> &platforms)
{
    return Utils::transform(platforms, AndroidConfig::apiLevelNameFor);
}

QString AndroidConfig::apiLevelNameFor(const SdkPlatform &platform)
{
    return QLatin1String("android-") + QString::number(platform.apiLevel);
}

QList<SdkPlatform> AndroidConfig::sdkTargets(int minApiLevel) const
{
    updateAvailableSdkPlatforms();
    QList<SdkPlatform> result;
    for (int i = 0; i < m_availableSdkPlatforms.size(); ++i) {
        if (m_availableSdkPlatforms.at(i).apiLevel >= minApiLevel)
            result << m_availableSdkPlatforms.at(i);
        else
            break;
    }
    return result;
}

FileName AndroidConfig::adbToolPath() const
{
    FileName path = m_sdkLocation;
    return path.appendPath(QLatin1String("platform-tools/adb" QTC_HOST_EXE_SUFFIX));
}

FileName AndroidConfig::androidToolPath() const
{
    if (HostOsInfo::isWindowsHost()) {
        // I want to switch from using android.bat to using an executable. All it really does is call
        // Java and I've made some progress on it. So if android.exe exists, return that instead.
        FileName path = m_sdkLocation;
        path.appendPath(QLatin1String("tools/android" QTC_HOST_EXE_SUFFIX));
        if (path.exists())
            return path;
        path = m_sdkLocation;
        return path.appendPath(QLatin1String("tools/android" ANDROID_BAT_SUFFIX));
    } else {
        FileName path = m_sdkLocation;
        return path.appendPath(QLatin1String("tools/android"));
    }
}

FileName AndroidConfig::antToolPath() const
{
    if (!m_antLocation.isEmpty())
        return m_antLocation;
    else
        return FileName::fromLatin1("ant");
}

FileName AndroidConfig::emulatorToolPath() const
{
    FileName path = m_sdkLocation;
    QString relativePath = "emulator/emulator";
    if (sdkToolsVersion() < QVersionNumber(25, 3, 0))
        relativePath = "tools/emulator";
    return path.appendPath(relativePath + QTC_HOST_EXE_SUFFIX);
}

FileName AndroidConfig::toolPath(const Abi &abi, const QString &ndkToolChainVersion) const
{
    FileName path = m_ndkLocation;
    return path.appendPath(QString::fromLatin1("toolchains/%1-%2/prebuilt/%3/bin/%4")
            .arg(toolchainPrefix(abi))
            .arg(ndkToolChainVersion)
            .arg(toolchainHost())
            .arg(toolsPrefix(abi)));
}

FileName AndroidConfig::sdkManagerToolPath() const
{
    FileName sdkPath = m_sdkLocation;
    QString toolPath = "tools/bin/sdkmanager";
    if (HostOsInfo::isWindowsHost())
        toolPath += ANDROID_BAT_SUFFIX;
    sdkPath = sdkPath.appendPath(toolPath);
    return sdkPath;
}

FileName AndroidConfig::avdManagerToolPath() const
{
    FileName avdManagerPath = m_sdkLocation;
    QString toolPath = "tools/bin/avdmanager";
    if (HostOsInfo::isWindowsHost())
        toolPath += ANDROID_BAT_SUFFIX;
    avdManagerPath = avdManagerPath.appendPath(toolPath);
    return avdManagerPath;
}

FileName AndroidConfig::gccPath(const Abi &abi, Core::Id lang,
                                const QString &ndkToolChainVersion) const
{
    const QString tool
            = HostOsInfo::withExecutableSuffix(QString::fromLatin1(lang == Core::Id(ProjectExplorer::Constants::C_LANGUAGE_ID) ? "-gcc" : "-g++"));
    return toolPath(abi, ndkToolChainVersion).appendString(tool);
}

FileName AndroidConfig::gdbPath(const Abi &abi, const QString &ndkToolChainVersion) const
{
    const auto gdbPath = QString::fromLatin1("%1/prebuilt/%2/bin/gdb" QTC_HOST_EXE_SUFFIX).arg(m_ndkLocation.toString()).arg(toolchainHost());
    if (QFile::exists(gdbPath))
        return FileName::fromString(gdbPath);

    return toolPath(abi, ndkToolChainVersion).appendString(QLatin1String("-gdb" QTC_HOST_EXE_SUFFIX));
}

FileName AndroidConfig::openJDKBinPath() const
{
    FileName path = m_openJDKLocation;
    if (!path.isEmpty())
        return path.appendPath(QLatin1String("bin"));
    return path;
}

FileName AndroidConfig::keytoolPath() const
{
    return openJDKBinPath().appendPath(keytoolName);
}

QVector<AndroidDeviceInfo> AndroidConfig::connectedDevices(QString *error) const
{
    return connectedDevices(adbToolPath().toString(), error);
}

QVector<AndroidDeviceInfo> AndroidConfig::connectedDevices(const QString &adbToolPath, QString *error)
{
    QVector<AndroidDeviceInfo> devices;
    SynchronousProcess adbProc;
    adbProc.setTimeoutS(30);
    SynchronousProcessResponse response = adbProc.runBlocking(adbToolPath, QStringList("devices"));
    if (response.result != SynchronousProcessResponse::Finished) {
        if (error)
            *error = QApplication::translate("AndroidConfiguration",
                                             "Could not run: %1")
                .arg(adbToolPath + QLatin1String(" devices"));
        return devices;
    }
    QStringList adbDevs = response.allOutput().split('\n', QString::SkipEmptyParts);
    if (adbDevs.empty())
        return devices;

    while (adbDevs.first().startsWith("* daemon"))
        adbDevs.removeFirst(); // remove the daemon logs
    adbDevs.removeFirst(); // remove "List of devices attached" header line

    // workaround for '????????????' serial numbers:
    // can use "adb -d" when only one usb device attached
    foreach (const QString &device, adbDevs) {
        const QString serialNo = device.left(device.indexOf('\t')).trimmed();
        const QString deviceType = device.mid(device.indexOf('\t')).trimmed();
        if (isBootToQt(adbToolPath, serialNo))
            continue;
        AndroidDeviceInfo dev;
        dev.serialNumber = serialNo;
        dev.type = serialNo.startsWith(QLatin1String("emulator")) ? AndroidDeviceInfo::Emulator : AndroidDeviceInfo::Hardware;
        dev.sdk = getSDKVersion(adbToolPath, dev.serialNumber);
        dev.cpuAbi = getAbis(adbToolPath, dev.serialNumber);
        if (deviceType == QLatin1String("unauthorized"))
            dev.state = AndroidDeviceInfo::UnAuthorizedState;
        else if (deviceType == QLatin1String("offline"))
            dev.state = AndroidDeviceInfo::OfflineState;
        else
            dev.state = AndroidDeviceInfo::OkState;

        if (dev.type == AndroidDeviceInfo::Emulator) {
            dev.avdname = getAvdName(dev.serialNumber);
            if (dev.avdname.isEmpty())
                dev.avdname = serialNo;
        }

        devices.push_back(dev);
    }

    Utils::sort(devices);
    if (devices.isEmpty() && error)
        *error = QApplication::translate("AndroidConfiguration",
                                         "No devices found in output of: %1")
            .arg(adbToolPath + QLatin1String(" devices"));
    return devices;
}

AndroidConfig::CreateAvdInfo AndroidConfig::gatherCreateAVDInfo(QWidget *parent, int minApiLevel, QString targetArch) const
{
    CreateAvdInfo result;
    AvdDialog d(minApiLevel, targetArch, this, parent);
    if (d.exec() != QDialog::Accepted || !d.isValid())
        return result;

    result.target = d.target();
    result.name = d.name();
    result.abi = d.abi();
    result.sdcardSize = d.sdcardSize();
    return result;
}

bool AndroidConfig::isConnected(const QString &serialNumber) const
{
    QVector<AndroidDeviceInfo> devices = connectedDevices();
    foreach (AndroidDeviceInfo device, devices) {
        if (device.serialNumber == serialNumber)
            return true;
    }
    return false;
}

bool AndroidConfig::isBootToQt(const QString &device) const
{
    return isBootToQt(adbToolPath().toString(), device);
}

bool AndroidConfig::isBootToQt(const QString &adbToolPath, const QString &device)
{
    // workaround for '????????????' serial numbers
    QStringList arguments = AndroidDeviceInfo::adbSelector(device);
    arguments << QLatin1String("shell")
              << QLatin1String("ls -l /system/bin/appcontroller || ls -l /usr/bin/appcontroller && echo Boot2Qt");

    SynchronousProcess adbProc;
    adbProc.setTimeoutS(10);
    SynchronousProcessResponse response = adbProc.runBlocking(adbToolPath, arguments);
    return response.result == SynchronousProcessResponse::Finished
            && response.allOutput().contains(QLatin1String("Boot2Qt"));
}


QString AndroidConfig::getDeviceProperty(const QString &adbToolPath, const QString &device, const QString &property)
{
    // workaround for '????????????' serial numbers
    QStringList arguments = AndroidDeviceInfo::adbSelector(device);
    arguments << QLatin1String("shell") << QLatin1String("getprop") << property;

    SynchronousProcess adbProc;
    adbProc.setTimeoutS(10);
    SynchronousProcessResponse response = adbProc.runBlocking(adbToolPath, arguments);
    if (response.result != SynchronousProcessResponse::Finished)
        return QString();

    return response.allOutput();
}

int AndroidConfig::getSDKVersion(const QString &device) const
{
    return getSDKVersion(adbToolPath().toString(), device);
}

int AndroidConfig::getSDKVersion(const QString &adbToolPath, const QString &device)
{
    QString tmp = getDeviceProperty(adbToolPath, device, QLatin1String("ro.build.version.sdk"));
    if (tmp.isEmpty())
        return -1;
    return tmp.trimmed().toInt();
}

QString AndroidConfig::getAvdName(const QString &serialnumber)
{
    int index = serialnumber.indexOf(QLatin1String("-"));
    if (index == -1)
        return QString();
    bool ok;
    int port = serialnumber.midRef(index + 1).toInt(&ok);
    if (!ok)
        return QString();

    const QByteArray avdName = "avd name\n";

    QTcpSocket tcpSocket;
    tcpSocket.connectToHost(QHostAddress(QHostAddress::LocalHost), port);
    if (!tcpSocket.waitForConnected(100)) // Don't wait more than 100ms for a local connection
        return QString{};

    tcpSocket.write(avdName + "exit\n");
    tcpSocket.waitForDisconnected(500);

    QByteArray name;
    const QByteArrayList response = tcpSocket.readAll().split('\n');
    // The input "avd name" might not be echoed as-is, but contain ASCII
    // control sequences.
    for (int i = response.size() - 1; i > 1; --i) {
        if (response.at(i).startsWith("OK")) {
            name = response.at(i - 1);
            break;
        }
    }
    return QString::fromLatin1(name).trimmed();
}

AndroidConfig::OpenGl AndroidConfig::getOpenGLEnabled(const QString &emulator) const
{
    QDir dir = QDir::home();
    if (!dir.cd(QLatin1String(".android")))
        return OpenGl::Unknown;
    if (!dir.cd(QLatin1String("avd")))
        return OpenGl::Unknown;
    if (!dir.cd(emulator + QLatin1String(".avd")))
        return OpenGl::Unknown;
    QFile file(dir.filePath(QLatin1String("config.ini")));
    if (!file.exists())
        return OpenGl::Unknown;
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
        return OpenGl::Unknown;
    while (!file.atEnd()) {
        QByteArray line = file.readLine();
        if (line.contains("hw.gpu.enabled") && line.contains("yes"))
            return OpenGl::Enabled;
    }
    return OpenGl::Disabled;
}

//!
//! \brief AndroidConfigurations::getProductModel
//! \param device serial number
//! \return the produce model of the device or if that cannot be read the serial number
//!
QString AndroidConfig::getProductModel(const QString &device) const
{
    if (m_serialNumberToDeviceName.contains(device))
        return m_serialNumberToDeviceName.value(device);

    QString model = getDeviceProperty(adbToolPath().toString(), device, QLatin1String("ro.product.model")).trimmed();
    if (model.isEmpty())
        return device;

    if (!device.startsWith(QLatin1String("????")))
        m_serialNumberToDeviceName.insert(device, model);
    return model;
}

QStringList AndroidConfig::getAbis(const QString &device) const
{
    return getAbis(adbToolPath().toString(), device);
}

QStringList AndroidConfig::getAbis(const QString &adbToolPath, const QString &device)
{
    QStringList result;
    // First try via ro.product.cpu.abilist
    QStringList arguments = AndroidDeviceInfo::adbSelector(device);
    arguments << QLatin1String("shell") << QLatin1String("getprop") << QLatin1String("ro.product.cpu.abilist");
    SynchronousProcess adbProc;
    adbProc.setTimeoutS(10);
    SynchronousProcessResponse response = adbProc.runBlocking(adbToolPath, arguments);
    if (response.result != SynchronousProcessResponse::Finished)
        return result;

    QString output = response.allOutput().trimmed();
    if (!output.isEmpty()) {
        QStringList result = output.split(QLatin1Char(','));
        if (!result.isEmpty())
            return result;
    }

    // Fall back to ro.product.cpu.abi, ro.product.cpu.abi2 ...
    for (int i = 1; i < 6; ++i) {
        QStringList arguments = AndroidDeviceInfo::adbSelector(device);
        arguments << QLatin1String("shell") << QLatin1String("getprop");
        if (i == 1)
            arguments << QLatin1String("ro.product.cpu.abi");
        else
            arguments << QString::fromLatin1("ro.product.cpu.abi%1").arg(i);

        SynchronousProcess abiProc;
        abiProc.setTimeoutS(10);
        SynchronousProcessResponse abiResponse = abiProc.runBlocking(adbToolPath, arguments);
        if (abiResponse.result != SynchronousProcessResponse::Finished)
            return result;

        QString abi = abiResponse.allOutput().trimmed();
        if (abi.isEmpty())
            break;
        result << abi;
    }
    return result;
}

SdkPlatform AndroidConfig::highestAndroidSdk() const
{
    updateAvailableSdkPlatforms();
    if (m_availableSdkPlatforms.isEmpty())
        return SdkPlatform();
    return m_availableSdkPlatforms.first();
}

QString AndroidConfig::bestNdkPlatformMatch(int target) const
{
    target = std::max(9, target);
    updateNdkInformation();
    foreach (int apiLevel, m_availableNdkPlatforms) {
        if (apiLevel <= target)
            return QString::fromLatin1("android-%1").arg(apiLevel);
    }
    return QLatin1String("android-9");
}

FileName AndroidConfig::sdkLocation() const
{
    return m_sdkLocation;
}

void AndroidConfig::setSdkLocation(const FileName &sdkLocation)
{
    m_sdkLocation = sdkLocation;
    m_availableSdkPlatformsUpToDate = false;
}

QVersionNumber AndroidConfig::sdkToolsVersion() const
{
    QVersionNumber version;
    if (m_sdkLocation.exists()) {
        Utils::FileName sdkToolsPropertiesPath(m_sdkLocation);
        sdkToolsPropertiesPath.appendPath("tools/source.properties");
        QSettings settings(sdkToolsPropertiesPath.toString(), QSettings::IniFormat);
        auto versionStr = settings.value(sdkToolsVersionKey).toString();
        version = QVersionNumber::fromString(versionStr);
    }
    return version;
}

FileName AndroidConfig::ndkLocation() const
{
    return m_ndkLocation;
}

void AndroidConfig::setNdkLocation(const FileName &ndkLocation)
{
    m_ndkLocation = ndkLocation;
    m_NdkInformationUpToDate = false;
}

FileName AndroidConfig::antLocation() const
{
    return m_antLocation;
}

void AndroidConfig::setAntLocation(const FileName &antLocation)
{
    m_antLocation = antLocation;
}

FileName AndroidConfig::openJDKLocation() const
{
    return m_openJDKLocation;
}

void AndroidConfig::setOpenJDKLocation(const FileName &openJDKLocation)
{
    m_openJDKLocation = openJDKLocation;
    m_availableSdkPlatformsUpToDate = false;
}

FileName AndroidConfig::keystoreLocation() const
{
    return m_keystoreLocation;
}

void AndroidConfig::setKeystoreLocation(const FileName &keystoreLocation)
{
    m_keystoreLocation = keystoreLocation;
}

QString AndroidConfig::toolchainHost() const
{
    updateNdkInformation();
    return m_toolchainHost;
}

QStringList AndroidConfig::makeExtraSearchDirectories() const
{
    return m_makeExtraSearchDirectories;
}

unsigned AndroidConfig::partitionSize() const
{
    return m_partitionSize;
}

void AndroidConfig::setPartitionSize(unsigned partitionSize)
{
    m_partitionSize = partitionSize;
}

bool AndroidConfig::automaticKitCreation() const
{
    return m_automaticKitCreation;
}

void AndroidConfig::setAutomaticKitCreation(bool b)
{
    m_automaticKitCreation = b;
}

bool AndroidConfig::antScriptsAvailable() const
{
    return sdkToolsVersion() < sdkToolsAntMissingVersion;
}

bool AndroidConfig::useGrandle() const
{
    if (antScriptsAvailable()) {
        return m_useGradle;
    }
    // Force gradle builds.
    return true;
}

void AndroidConfig::setUseGradle(bool b)
{
    m_useGradle = b;
}

///////////////////////////////////
// AndroidConfigurations
///////////////////////////////////
void AndroidConfigurations::setConfig(const AndroidConfig &devConfigs)
{
    m_instance->m_config = devConfigs;

    m_instance->save();
    m_instance->updateAndroidDevice();
    m_instance->registerNewToolChains();
    m_instance->updateAutomaticKitList();
    m_instance->removeOldToolChains();
    emit m_instance->updated();
}

AndroidDeviceInfo AndroidConfigurations::showDeviceDialog(Project *project,
                                                          int apiLevel, const QString &abi,
                                                          Options options)
{
    QString serialNumber = defaultDevice(project, abi);
    AndroidDeviceDialog dialog(apiLevel, abi, options, serialNumber, Core::ICore::mainWindow());
    AndroidDeviceInfo info = dialog.device();
    if (dialog.saveDeviceSelection() && info.isValid()) {
        const QString serialNumber = info.type == AndroidDeviceInfo::Hardware ?
                    info.serialNumber : info.avdname;
        if (!serialNumber.isEmpty())
            AndroidConfigurations::setDefaultDevice(project, abi, serialNumber);
    }
    return info;
}

void AndroidConfigurations::clearDefaultDevices(Project *project)
{
    if (m_instance->m_defaultDeviceForAbi.contains(project))
        m_instance->m_defaultDeviceForAbi.remove(project);
}

void AndroidConfigurations::setDefaultDevice(Project *project, const QString &abi, const QString &serialNumber)
{
    m_instance->m_defaultDeviceForAbi[project][abi] = serialNumber;
}

QString AndroidConfigurations::defaultDevice(Project *project, const QString &abi)
{
    if (!m_instance->m_defaultDeviceForAbi.contains(project))
        return QString();
    const QMap<QString, QString> &map = m_instance->m_defaultDeviceForAbi.value(project);
    if (!map.contains(abi))
        return QString();
    return map.value(abi);
}

static bool matchToolChain(const ToolChain *atc, const ToolChain *btc)
{
    if (atc == btc)
        return true;

    if (!atc || !btc)
        return false;

    if (atc->typeId() != Constants::ANDROID_TOOLCHAIN_ID || btc->typeId() != Constants::ANDROID_TOOLCHAIN_ID)
        return false;

    auto aatc = static_cast<const AndroidToolChain *>(atc);
    auto abtc = static_cast<const AndroidToolChain *>(btc);
    return aatc->ndkToolChainVersion() == abtc->ndkToolChainVersion()
            && aatc->targetAbi() == abtc->targetAbi();
}

static bool matchKits(const Kit *a, const Kit *b)
{
    if (QtSupport::QtKitInformation::qtVersion(a) != QtSupport::QtKitInformation::qtVersion(b))
        return false;

    return matchToolChain(ToolChainKitInformation::toolChain(a, ProjectExplorer::Constants::CXX_LANGUAGE_ID),
                          ToolChainKitInformation::toolChain(b, ProjectExplorer::Constants::CXX_LANGUAGE_ID))
            && matchToolChain(ToolChainKitInformation::toolChain(a, ProjectExplorer::Constants::C_LANGUAGE_ID),
                              ToolChainKitInformation::toolChain(b, ProjectExplorer::Constants::C_LANGUAGE_ID));
}

void AndroidConfigurations::registerNewToolChains()
{
    const QList<ToolChain *> existingAndroidToolChains
            = ToolChainManager::toolChains(Utils::equal(&ToolChain::typeId,
                                                        Core::Id(Constants::ANDROID_TOOLCHAIN_ID)));
    const QList<ToolChain *> newToolchains
            = AndroidToolChainFactory::autodetectToolChainsForNdk(AndroidConfigurations::currentConfig().ndkLocation(),
                                                                  existingAndroidToolChains);
    foreach (ToolChain *tc, newToolchains)
        ToolChainManager::registerToolChain(tc);
}

void AndroidConfigurations::removeOldToolChains()
{
    foreach (ToolChain *tc, ToolChainManager::toolChains(Utils::equal(&ToolChain::typeId, Core::Id(Constants::ANDROID_TOOLCHAIN_ID)))) {
        if (!tc->isValid())
            ToolChainManager::deregisterToolChain(tc);
    }
}

void AndroidConfigurations::updateAutomaticKitList()
{
    const QList<Kit *> existingKits = Utils::filtered(KitManager::kits(), [](const Kit *k) {
        return k->isAutoDetected() && !k->isSdkProvided()
                && DeviceTypeKitInformation::deviceTypeId(k) == Core::Id(Constants::ANDROID_DEVICE_TYPE);
    });

    // Update code for 3.0 beta, which shipped with a bug for the debugger settings
    for (Kit *k : existingKits) {
        ToolChain *tc = ToolChainKitInformation::toolChain(k, ProjectExplorer::Constants::CXX_LANGUAGE_ID);
        if (tc && Debugger::DebuggerKitInformation::runnable(k).executable != tc->suggestedDebugger().toString()) {
            Debugger::DebuggerItem debugger;
            debugger.setCommand(tc->suggestedDebugger());
            debugger.setEngineType(Debugger::GdbEngineType);
            debugger.setUnexpandedDisplayName(tr("Android Debugger for %1").arg(tc->displayName()));
            debugger.setAutoDetected(true);
            debugger.setAbi(tc->targetAbi());
            debugger.reinitializeFromFile();
            QVariant id = Debugger::DebuggerItemManager::registerDebugger(debugger);
            Debugger::DebuggerKitInformation::setDebugger(k, id);
        }
    }

    QHash<Abi, QList<const QtSupport::BaseQtVersion *> > qtVersionsForArch;
    const QList<QtSupport::BaseQtVersion *> qtVersions
            = QtSupport::QtVersionManager::versions([](const QtSupport::BaseQtVersion *v) {
        return v->type() == Constants::ANDROIDQT;
    });
    for (const QtSupport::BaseQtVersion *qtVersion : qtVersions) {
        const QList<Abi> qtAbis = qtVersion->qtAbis();
        if (qtAbis.empty())
            continue;
        qtVersionsForArch[qtAbis.first()].append(qtVersion);
    }

    DeviceManager *dm = DeviceManager::instance();
    IDevice::ConstPtr device = dm->find(Core::Id(Constants::ANDROID_DEVICE_ID));
    if (device.isNull()) {
        // no device, means no sdk path
        for (Kit *k : existingKits)
            KitManager::deregisterKit(k);
        return;
    }

    // register new kits
    QList<Kit *> newKits;
    const QList<ToolChain *> tmp = ToolChainManager::toolChains([](const ToolChain *tc) {
        return tc->isAutoDetected()
            && tc->isValid()
            && tc->typeId() == Constants::ANDROID_TOOLCHAIN_ID
            && !static_cast<const AndroidToolChain *>(tc)->isSecondaryToolChain();
    });
    const QList<AndroidToolChain *> toolchains = Utils::transform(tmp, [](ToolChain *tc) {
            return static_cast<AndroidToolChain *>(tc);
    });
    for (AndroidToolChain *tc : toolchains) {
        if (tc->isSecondaryToolChain() || tc->language() != Core::Id(ProjectExplorer::Constants::CXX_LANGUAGE_ID))
            continue;
        const QList<AndroidToolChain *> allLanguages = Utils::filtered(toolchains,
                                                                       [tc](AndroidToolChain *otherTc) {
            return tc->targetAbi() == otherTc->targetAbi();
        });
        for (const QtSupport::BaseQtVersion *qt : qtVersionsForArch.value(tc->targetAbi())) {
            Kit *newKit = new Kit;
            newKit->setAutoDetected(true);
            newKit->setAutoDetectionSource("AndroidConfiguration");
            DeviceTypeKitInformation::setDeviceTypeId(newKit, Core::Id(Constants::ANDROID_DEVICE_TYPE));
            for (AndroidToolChain *tc : allLanguages)
                ToolChainKitInformation::setToolChain(newKit, tc);
            QtSupport::QtKitInformation::setQtVersion(newKit, qt);
            DeviceKitInformation::setDevice(newKit, device);

            auto findExistingKit = [newKit](const Kit *k) { return matchKits(newKit, k); };
            Kit *existingKit = Utils::findOrDefault(existingKits, findExistingKit);
            if (existingKit) {
                KitManager::deleteKit(newKit);
                newKit = existingKit;
            }

            Debugger::DebuggerItem debugger;
            debugger.setCommand(tc->suggestedDebugger());
            debugger.setEngineType(Debugger::GdbEngineType);
            debugger.setUnexpandedDisplayName(tr("Android Debugger for %1").arg(tc->displayName()));
            debugger.setAutoDetected(true);
            debugger.setAbi(tc->targetAbi());
            debugger.reinitializeFromFile();
            QVariant id = Debugger::DebuggerItemManager::registerDebugger(debugger);
            Debugger::DebuggerKitInformation::setDebugger(newKit, id);

            AndroidGdbServerKitInformation::setGdbSever(newKit, tc->suggestedGdbServer());
            newKit->makeSticky();
            newKit->setUnexpandedDisplayName(tr("Android for %1 (GCC %2, %3)")
                                             .arg(static_cast<const AndroidQtVersion *>(qt)->targetArch())
                                             .arg(tc->ndkToolChainVersion())
                                             .arg(qt->displayName()));
            if (!existingKit)
                KitManager::registerKit(newKit);
        }
    }
}

bool AndroidConfigurations::force32bitEmulator()
{
    return m_instance->m_force32bit;
}

/**
 * Workaround for '????????????' serial numbers
 * @return ("-d") for buggy devices, ("-s", <serial no>) for normal
 */
QStringList AndroidDeviceInfo::adbSelector(const QString &serialNumber)
{
    if (serialNumber.startsWith(QLatin1String("????")))
        return QStringList("-d");
    return QStringList({"-s",  serialNumber});
}

bool AndroidDeviceInfo::operator<(const AndroidDeviceInfo &other) const
{
    if (serialNumber.contains("????") != other.serialNumber.contains("????"))
        return !serialNumber.contains("????");
    if (type != other.type)
        return type == AndroidDeviceInfo::Hardware;
    if (sdk != other.sdk)
        return sdk < other.sdk;
    if (avdname != other.avdname)
        return avdname < other.avdname;

    return serialNumber < other.serialNumber;
}

const AndroidConfig &AndroidConfigurations::currentConfig()
{
    return m_instance->m_config; // ensure that m_instance is initialized
}

AndroidConfigurations *AndroidConfigurations::instance()
{
    return m_instance;
}

void AndroidConfigurations::save()
{
    QSettings *settings = Core::ICore::settings();
    settings->beginGroup(SettingsGroup);
    m_config.save(*settings);
    settings->endGroup();
}

AndroidConfigurations::AndroidConfigurations(QObject *parent)
    : QObject(parent)
{
    load();

    connect(SessionManager::instance(), &SessionManager::projectRemoved,
            this, &AndroidConfigurations::clearDefaultDevices);

    m_force32bit = is32BitUserSpace();

    m_instance = this;
}

static FileName javaHomeForJavac(const FileName &location)
{
    QFileInfo fileInfo = location.toFileInfo();
    int tries = 5;
    while (tries > 0) {
        QDir dir = fileInfo.dir();
        dir.cdUp();
        if (QFileInfo::exists(dir.filePath(QLatin1String("lib/tools.jar"))))
            return FileName::fromString(dir.path());
        if (fileInfo.isSymLink())
            fileInfo.setFile(fileInfo.symLinkTarget());
        else
            break;
        --tries;
    }
    return FileName();
}

void AndroidConfigurations::load()
{
    bool saveSettings = false;
    QSettings *settings = Core::ICore::settings();
    settings->beginGroup(SettingsGroup);
    m_config.load(*settings);

    if (m_config.antLocation().isEmpty()) {
        Environment env = Environment::systemEnvironment();
        FileName location = env.searchInPath(QLatin1String("ant"));
        QFileInfo fi = location.toFileInfo();
        if (fi.exists() && fi.isExecutable() && !fi.isDir()) {
            m_config.setAntLocation(location);
            saveSettings = true;
        }
    }

    if (m_config.openJDKLocation().isEmpty()) {
        if (HostOsInfo::isLinuxHost()) {
            Environment env = Environment::systemEnvironment();
            FileName location = env.searchInPath(QLatin1String("javac"));
            QFileInfo fi = location.toFileInfo();
            if (fi.exists() && fi.isExecutable() && !fi.isDir()) {
                m_config.setOpenJDKLocation(javaHomeForJavac(location));
                saveSettings = true;
            }
        } else if (HostOsInfo::isMacHost()) {
            QFileInfo javaHomeExec(QLatin1String("/usr/libexec/java_home"));
            if (javaHomeExec.isExecutable() && !javaHomeExec.isDir()) {
                SynchronousProcess proc;
                proc.setTimeoutS(2);
                proc.setProcessChannelMode(QProcess::MergedChannels);
                SynchronousProcessResponse response = proc.runBlocking(javaHomeExec.absoluteFilePath(), QStringList());
                if (response.result == SynchronousProcessResponse::Finished) {
                    const QString &javaHome = response.allOutput().trimmed();
                    if (!javaHome.isEmpty() && QFileInfo::exists(javaHome))
                        m_config.setOpenJDKLocation(FileName::fromString(javaHome));
                }
            }
        } else if (HostOsInfo::isWindowsHost()) {
            QSettings settings(QLatin1String("HKEY_LOCAL_MACHINE\\SOFTWARE\\Javasoft\\Java Development Kit"), QSettings::NativeFormat);
            QStringList allVersions = settings.childGroups();
            QString javaHome;
            int major = -1;
            int minor = -1;
            foreach (const QString &version, allVersions) {
                QStringList parts = version.split(QLatin1Char('.'));
                if (parts.size() != 2) // not interested in 1.7.0_u21
                    continue;
                bool okMajor, okMinor;
                int tmpMajor = parts.at(0).toInt(&okMajor);
                int tmpMinor = parts.at(1).toInt(&okMinor);
                if (!okMajor || !okMinor)
                    continue;
                if (tmpMajor > major
                        || (tmpMajor == major
                            && tmpMinor > minor)) {
                    settings.beginGroup(version);
                    QString tmpJavaHome = settings.value(QLatin1String("JavaHome")).toString();
                    settings.endGroup();
                    if (!QFileInfo::exists(tmpJavaHome))
                        continue;

                    major = tmpMajor;
                    minor = tmpMinor;
                    javaHome = tmpJavaHome;
                }
            }
            if (!javaHome.isEmpty()) {
                m_config.setOpenJDKLocation(FileName::fromString(javaHome));
                saveSettings = true;
            }
        }
    }

    settings->endGroup();

    if (saveSettings)
        save();
}

void AndroidConfigurations::updateAndroidDevice()
{
    DeviceManager * const devMgr = DeviceManager::instance();
    if (m_instance->m_config.adbToolPath().exists())
        devMgr->addDevice(IDevice::Ptr(new AndroidDevice));
    else if (devMgr->find(Constants::ANDROID_DEVICE_ID))
        devMgr->removeDevice(Core::Id(Constants::ANDROID_DEVICE_ID));
}

AndroidConfigurations *AndroidConfigurations::m_instance = 0;

bool SdkPlatform::operator <(const SdkPlatform &other) const
{
    if (apiLevel != other.apiLevel)
        return apiLevel > other.apiLevel;
    if (name != other.name)
        return name < other.name;
    return false;
}

} // namespace Android