#include "WifiInterface.h"

// Qt
#include <QThread>
#include <QApplication>

// Project
#include "main.h"
#include "Logger.h"
#include "StorageGlobals.h"

using namespace Storage;

WifiInterface::WifiInterface(QObject *parent) : QObject(parent)
{
}

void WifiInterface::onInitConnections()
{
    connect(&_scanProcess, SIGNAL(finished(int, QProcess::ExitStatus)),
            this, SLOT(onScanFinished(int, QProcess::ExitStatus)));
}

/*!
 * \brief   WifiInterface::init
 * \details Initializes the class by setting the connections
 * \return  true on first initialization, false if it has already been initialized
 */
bool WifiInterface::doInit()
{
    if (_init)
        return false;

    _init = true;

    onInitConnections();

    LOG_EVENT("UI," + tr("%1 Initialized").arg(metaObject()->className()));

    return true;
}


/*!
 * \brief WifiInterface::quit
 *  Called when the application is exiting.
 */
void WifiInterface::onQuit()
{
    onQuitThread(); // verified
}


/*!
 * \brief   WifiInterface::quitThread
 * \details Moves this object to main thread to be handled by QApplicaiton
 *          It will also be destroyed there.
 */
void WifiInterface::onQuitThread()
{
    if (!_thread )
        return;

    moveToThread(qApp->thread());
}

/*!
 * \brief WifiInterface::timerEvent
 * Built in QObject timer
 * \param event (QTimerEvent*) - the event timer
 */
void WifiInterface::timerEvent(QTimerEvent *event)
{
    Q_UNUSED(event);
}

/*!
 * \brief WifiInterface::doScan
 * Scans for Wifi Access Points
 */
void WifiInterface::doScan()
{
    // if scan is already running, return
    if (_scanRunning)
    {
        LOG_DEBUG("Wifi network scan is already running.");
        return;
    }
    // otherwise, start the detached process
    LOG_DEBUG("Scanning for Wifi Access Points...");
    _scanProcess.setWorkingDirectory(Wifi_Scripts_Dir);
    _scanRunning = true;
    // TODO: emit scan running to view so scan button is disabled
    _scanProcess.start(Wifi_Scripts_Scan_For_Networks);

}

/*!
 * \brief WifiInterface::onScanFinished
 * Called when finished scanning for networks (success or error)
 * \param vPid - pid of the scan for networks process
 * \param vExitStatus - the status upon exit
 */
void WifiInterface::onScanFinished(int vPid, QProcess::ExitStatus vExitStatus)
{
    LOG_DEBUG(QString("%1: %2,%3").arg(__FUNCTION__).arg(vPid).arg(vExitStatus));
    QString out = _scanProcess.readAllStandardOutput();
    QString err = _scanProcess.readAllStandardError();
    LOG_DEBUG(out);
    LOG_DEBUG(err);
    _scanRunning = false;
    // TODO: emit scan finished to view so scan button is re-enabled.
}