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#include "qtcesterconnection.h"

#include <transfer_global.h>

#include <QtCore/QDir>

#include <QtCore/QFile>

#include <QtCore/QFileInfo>

#include <QtNetwork/QTcpSocket>

#include <QtNetwork/QHostAddress>

extern void debugOutput(const QString& text, int level);

#pragma warning(disable:4996)

#define END_ERROR(s, a) \

            if(a) qDebug() << a; \

            _freeSocket(s); \

            return false;

QtCesterConnection::QtCesterConnection()

        : AbstractRemoteConnection()

{

}

QtCesterConnection::~QtCesterConnection()

{

}

bool QtCesterConnection::connect(QVariantList&)

{

    // We connect with each command, so this is always true

    // The command itself will fail then

    connected = true;

    return true;

}

void QtCesterConnection::disconnect()

{

    connected = false;

}

bool QtCesterConnection::isConnected() const

{

    return connected;

}

bool QtCesterConnection::copyFileToDevice(const QString &localSource, const QString &deviceDest, bool failIfExists)

{

    debugOutput( qPrintable(QString::fromLatin1("Copy File: %1 -> %2").arg(localSource).arg(deviceDest)),0);

    QFile localFile(localSource);

    QFileInfo info(localSource);

    if (!localFile.exists() || !localFile.open(QIODevice::ReadOnly)) {

        qDebug() << "Could not open File!";

        return false;

    }

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_CREATE_FILE)) {

        END_ERROR(socket, "Could not initialized command");

    }

    CreateFileOptions option;

    strcpy(option.fileName, qPrintable(deviceDest));

#ifdef Q_OS_WIN

    // Copy FileTime for update verification

    FILETIME creationTime, accessTime, writeTime;

    HANDLE localHandle = CreateFile(localSource.utf16(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);

    if (localHandle != INVALID_HANDLE_VALUE) {

        if (GetFileTime(localHandle, &creationTime, &accessTime, &writeTime)) {

            LocalFileTimeToFileTime(&writeTime, &writeTime);

            option.fileTime = writeTime;

        }

        CloseHandle(localHandle);

    }

    DWORD attributes = GetFileAttributes(localSource.utf16());

    if (attributes != -1 )

        option.fileAttributes = attributes;

#endif

    option.fileSize = info.size();

    option.overwriteExisting = !failIfExists;

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send options...");

    }

    if (!_checkResult(socket)) {

        END_ERROR(socket, "Server did not accept configuration");

    }

    int bytesWritten = 0;

    const int bufferSize = 1024;

    QByteArray data;

    while (bytesWritten < option.fileSize) {

        data = localFile.read(bufferSize);

        bytesWritten += data.size();

#ifdef Q_OS_WIN

        wprintf( L"%s -> %s (%d / %d) %d %%\r", localSource.utf16() , deviceDest.utf16(),

                 bytesWritten , option.fileSize, (100*bytesWritten)/option.fileSize );

#endif

        if (!_sendData(socket, data.constData(), data.size())) {

            END_ERROR(socket, "Error during file transfer");

        }

        if (!_checkResult(socket)) {

            END_ERROR(socket, "Got some strange result");

        }

    }

#ifdef Q_OS_WIN

    wprintf( L"\n"); // We should jump to next line...

#endif

    if (bytesWritten != option.fileSize) {

        END_ERROR(socket, "Did not send sufficient data");

    }

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::copyDirectoryToDevice(const QString &localSource, const QString &deviceDest, bool recursive)

{

    QTcpSocket* socket = NULL;

    QFileInfo info(localSource);

    if (!info.exists() || !info.isDir()) {

        END_ERROR(socket, "Input directory invalid");

    }

    createDirectory(deviceDest, true);

    QDir dir(localSource);

    QFileInfoList list = dir.entryInfoList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot);

    foreach(QFileInfo item, list) {

        QString targetName = deviceDest + QLatin1String("\\") + item.fileName();

        if (item.isDir()) {

            if (recursive) {

                if (!copyDirectoryToDevice(item.absoluteFilePath() , targetName, recursive))

                    return false;

            }

        } else {

            if (!copyFileToDevice(item.absoluteFilePath(), targetName))

                return false;

        }

    }

    return true;

}

bool QtCesterConnection::copyFileFromDevice(const QString &deviceSource, const QString &localDest, bool failIfExists)

{

    QFile targetFile(localDest);

    QTcpSocket* socket = 0;

    if (targetFile.exists() && failIfExists) {

        END_ERROR(socket, "Local file not supposed to be overwritten");

    }

    if (!targetFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {

        END_ERROR(socket, "Could not open local file for writing");

    }

    if (!_initCommand(socket, COMMAND_READ_FILE)) {

        END_ERROR(socket, "Could not establish connection");

    }

    ReadFileOptions option;

    strcpy(option.fileName, qPrintable(deviceSource));

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send options");

    }

    QByteArray data;

    if (!_receiveData(socket, data)) {

        END_ERROR(socket, "Did not receive any data");

    }

    ReadFileReply* reply = (ReadFileReply*) data.data();

    if (!reply->fileValid) {

        END_ERROR(socket, "Requested file invalid");

    }

    int fileSize = reply->fileSize;

    int currentSize = 0;

    // ### TODO: make a little bit more error-prone

    do {

        _sendData(socket, COMMAND_SUCCESS, strlen(COMMAND_SUCCESS));

        _receiveData(socket, data);

        currentSize += data.size();

        targetFile.write(data);

    } while(currentSize < fileSize);

    _freeSocket(socket);

    targetFile.close();

    return true;

}

bool QtCesterConnection::copyDirectoryFromDevice(const QString& /*deviceSource*/

                                                 , const QString& /*localDest*/

                                                 , bool /*recursive*/)

{

    qDebug() << "To be implemented!! Should not be needed for autotest system";

    exit(-1);

    return false;

}

bool QtCesterConnection::copyFile(const QString &srcFile, const QString &destFile, bool failIfExists)

{

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_COPY_FILE)) {

        END_ERROR(socket, "Could not establish connection for copy");

    }

    CopyFileOptions option;

    strcpy(option.from, qPrintable(srcFile));

    strcpy(option.to, qPrintable(destFile));

    option.overwriteExisting = !failIfExists;

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send copy options");

    }

    if (!_checkResult(socket)) {

        END_ERROR(socket, "Copy failed");

    }

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::copyDirectory(const QString &srcDirectory, const QString &destDirectory,

                                      bool recursive)

{

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_COPY_DIRECTORY)) {

        END_ERROR(socket, "Could not establish connection for dir copy");

    }

    CopyDirectoryOptions option;

    strcpy(option.from, qPrintable(srcDirectory));

    strcpy(option.to, qPrintable(destDirectory));

    option.recursive = recursive;

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send dir copy options");

    }

    if (!_checkResult(socket)) {

        END_ERROR(socket, "Dir Copy failed");

    }

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::deleteFile(const QString &fileName)

{

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_DELETE_FILE)) {

        END_ERROR(socket, "Could not establish connection for file deletion");

    }

    DeleteFileOptions option;

    strcpy(option.fileName, qPrintable(fileName));

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send file options");

    }

    if (!_checkResult(socket)) {

        //END_ERROR(socket, "File Deletion failed");

        // This is actually not an error so ignore it.

    }

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::deleteDirectory(const QString &directory, bool recursive, bool failIfContentExists)

{

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_DELETE_DIRECTORY)) {

        END_ERROR(socket, "Could not establish connection for dir deletion");

    }

    DeleteDirectoryOptions option;

    strcpy(option.dirName, qPrintable(directory));

    option.recursive = recursive;

    option.failIfContentExists = failIfContentExists;

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send dir options");

    }

    if (!_checkResult(socket)) {

        // we do not write an error as this will fail a lot on recursive.

        END_ERROR(socket, 0);

    }

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::execute(QString program,

                                 QString arguments,

                                 int timeout,

                                 int *returnValue)

{

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_EXECUTE)) {

        END_ERROR(socket, "Could not establish connection for dir deletion");

    }

    ExecuteOptions options;

    strcpy(options.appName, qPrintable(program));

    QStringList argList = arguments.split(QLatin1Char(' '));

    options.argumentsCount = qMin(argList.size(), MAX_ARGUMENTS);

    options.waitForFinished = true;

    options.timeout = timeout;

    if (!_sendData(socket, (char*) &options, sizeof(options))) {

        END_ERROR(socket, "Could not send dir options");

    }

    if (!_checkResult(socket)) {

        END_ERROR(socket, "Did not receive an answer");

    }

    for (int i=0; i < options.argumentsCount; ++i) {

        char someData[MAX_NAME_LENGTH];

        strcpy(someData, qPrintable(argList[i]));

        if (!_sendData(socket, someData, MAX_NAME_LENGTH)) {

            END_ERROR(socket, "Could not send argument");

        }

        if (!_checkResult(socket)) {

            END_ERROR(socket, "Failure in argument send");

        }

    }

    // trigger the startup

    if (!_sendData(socket, COMMAND_SUCCESS, strlen(COMMAND_SUCCESS))) {

        END_ERROR(socket, "Could not trigger startup");

    }

    const int waitTime = 60 * 60 * 1000;

    if (!socket->waitForReadyRead(waitTime)) {

        END_ERROR(socket, "Process timed out");

    }

    QByteArray result = socket->readAll();

    if (result != COMMAND_SUCCESS) {

        if (returnValue)

            *returnValue = -1; // just some at least

        END_ERROR(socket, "Application did not start or returned error");

    }

    if (returnValue)

        *returnValue = 0;

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::createDirectory(const QString &path, bool deleteBefore)

{

    if (deleteBefore)

        deleteDirectory(path, true, true);

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_CREATE_DIRECTORY)) {

        END_ERROR(socket, "Could not establish connection for dir creation");

    }

    CreateDirectoryOptions option;

    strcpy(option.dirName, qPrintable(path));

    option.recursively = true;

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send dir options");

    }

    if (!_checkResult(socket)) {

        END_ERROR(socket, "Dir creation failed");

    }

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::timeStampForLocalFileTime(FILETIME* fTime) const

{

    if (!fTime)

        return false;

    FILETIME copyTime = *fTime;

    LocalFileTimeToFileTime(&copyTime, &copyTime);

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_TIME_STAMP)) {

        END_ERROR(socket, "Could not establish time stamp connection");

    }

    if (!_sendData(socket, (char*) &copyTime, sizeof(copyTime))) {

        END_ERROR(socket, "Could not send stamp time");

    }

    QByteArray data;

    if (!_receiveData(socket, data)) {

        END_ERROR(socket, "Did not receive time stamp or connection interrupted");

    }

    copyTime = *((FILETIME*)data.data());

    if (copyTime.dwLowDateTime == -1 && copyTime.dwHighDateTime == -1) {

        END_ERROR(socket, "remote Time stamp failed!");

    }

    *fTime = copyTime;

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::fileCreationTime(const QString &fileName, FILETIME* deviceCreationTime) const

{

    if (!deviceCreationTime)

        return false;

    QTcpSocket* socket = 0;

    if (!_initCommand(socket, COMMAND_FILE_TIME)) {

        END_ERROR(socket, "Could not establish connection for file time access");

    }

    FileTimeOptions option;

    strcpy(option.fileName, qPrintable(fileName));

    if (!_sendData(socket, (char*) &option, sizeof(option))) {

        END_ERROR(socket, "Could not send file time name");

    }

    QByteArray data;

    if (!_receiveData(socket, data)) {

        END_ERROR(socket, "File Time request failed");

    }

    FILETIME* resultTime = (FILETIME*) data.data();

    if (resultTime->dwLowDateTime == -1 && resultTime->dwHighDateTime == -1) {

        END_ERROR(socket, 0);

        debugOutput("Could not access file time", 0);

    }

    *deviceCreationTime = *resultTime;

    _freeSocket(socket);

    return true;

}

bool QtCesterConnection::_createSocket(QTcpSocket*& result) const

{

    QTcpSocket* sock = new QTcpSocket();

    QByteArray ipAddress = qgetenv("DEVICE_IP");

    if (ipAddress.isEmpty()) {

        qWarning("Error: You need to have DEVICE_IP set");

        exit(0);

    }

    sock->connectToHost(QHostAddress(QString(ipAddress)), 12145);

    if (!sock->waitForConnected()) {

        qDebug() << "connection timeout...";

        result = NULL;

        return false;

    }

    result = sock;

    return true;

}

void QtCesterConnection::_freeSocket(QTcpSocket*& sock) const

{

    if (!sock)

        return;

    if (sock->state() == QAbstractSocket::ConnectedState) {

        sock->disconnectFromHost();

        // seems like no need to wait

        //sock->waitForDisconnected();

    }

    delete sock;

    sock = NULL;

#ifdef Q_OS_WIN

    Sleep(100);

#endif

}

bool QtCesterConnection::_initCommand(QTcpSocket*& sock, const char* command) const

{

    QTcpSocket* socket = NULL;

    if (!_createSocket(socket)) {

        END_ERROR(socket, "Could not connect to server");

    }

    if (!_sendData(socket, command, strlen(command)) || 

        !_checkResult(socket)) {

        END_ERROR(socket, "Cound not send command");

    }

    sock = socket;

    return true;

}

bool QtCesterConnection::_sendData(QTcpSocket*& sock, const char* data, int dataSize) const

{

    int amount = sock->write(data, dataSize);