/*!
 *
 * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
 * \copyright
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * \file GuiView.cpp
 * \author (last) Behrouz NematiPour
 * \date (last) 08-Sep-2020
 * \author (original) Behrouz NematiPour
 * \date (original) 26-Aug-2020
 *
 */

// Project
#include "GuiView.h"
#include "GuiController.h"
#include "DeviceController.h"

// namespace
using namespace Gui;

/*!
 * \brief GuiView::GuiView
 * \details Constructor
 * \param   parent - QObject parent owner object.
 *          Qt handles the children destruction by their parent objects life-cycle.
 */
GuiView::GuiView(QObject *parent)
{
    Q_UNUSED(parent)
    initConnections();
}

/*!
 * \brief GuiView::initConnections
 * \details Initializes the required signal/slot connection between this class and other objects
 *          to be able to communicate.
 */
void GuiView::initConnections()
{
    connect(&_GuiController, SIGNAL(didActionReceive (GuiActionType, const QVariantList &)),
            this           ,   SLOT( onActionReceive (GuiActionType, const QVariantList &)));

    // since we don't have access to this object because it is created in QML.
    // Connection to the GuiController made here
    // It should be defined in the class which wants to connect to signal.
    connect(this           , SIGNAL(didActionTransmit(GuiActionType,const QVariantList &)),
            &_GuiController,   SLOT( doActionTransmit(GuiActionType,const QVariantList &)));

    // From UI : USB drive umount
    connect(this           , SIGNAL(didUSBDriveUmount()),
            &_GuiController,   SLOT( doUSBDriveUmount()));
    // From OS : USB drive removed
    connect(&_GuiController, SIGNAL(didUSBDriveMount ()),
            this           ,   SLOT( onUSBDriveMount ()));
    connect(&_GuiController, SIGNAL(didUSBDriveRemove()),
            this           ,   SLOT( onUSBDriveRemove()));

    // SD Card
    connect(&_GuiController, SIGNAL(didSDCardStateChange(bool,bool)),
            this           ,   SLOT( onSDCardStateChange(bool,bool)));

    /// TEST: Test the space on GUI, not sure if we keep it.
    connect(&_DeviceController, SIGNAL( didSDCardSpaceChange(bool, qint64, qint64, quint8)),
            this              ,   SLOT(  onSDCardSpaceChange(bool, qint64, qint64, quint8)));

    connect(&_GuiController, SIGNAL(didExport()),
            this           ,   SLOT( onExport()));

    // From UI : Export Log
    connect(this           , SIGNAL(didExportLog()),
            &_GuiController,   SLOT( doExportLog()));
}

/*!
 * \brief   GuiView::onActionReceive
 * \details emits didActionReceive signal to notify other classes (Gui)
 *          , an action has been received.
 * \param   vAction -  the action
 * \param   vData   -  the action data
 */
void GuiView::onActionReceive (GuiActionType vAction, const QVariantList &vData)
{
    // process the evaluation and notify GUI
    emit didActionReceive (vAction, vData);
}

/*!
 * \brief   GuiView::doActionTransmit
 * \details emits didActionTransmit signal to notify other classes (GuiController)
 *          , an action has been required to be transmitted.
 * \param   vAction - the action
 * \param   vData   - the action data
 */
void GuiView::doActionTransmit(GuiActionType vAction, const QVariantList &vData)
{
    // TODO : Remove this code later when Investigated thoroughly.
    // coco begin validated: This code later needs to be removed when Investigated thoroughly.
    // has been tested manually
    emit didActionTransmit(vAction, vData);
}
// coco end

/*!
 * \brief   GuiView::doActionTransmit
 * \details emits didActionTransmit signal to notify other classes (GuiController)
 *          , an action has been required to be transmitted.
 * \note    The overloaded method with only one data parameter, for easier use in qml.
 * \param   vAction - the action
 * \param   vData   - the action data
 */

void GuiView::doActionTransmit(GuiActionType vAction, const QVariant &vData)
{
    // TODO : Remove this code later when Investigated thoroughly.
    // coco begin validated: This code later needs to be removed when Investigated thoroughly.
    // has been tested manually
    QVariantList mData;
    mData += vData;
    emit didActionTransmit(vAction, mData);
}
// coco end

/*!
 * \brief GuiView::doUSBDriveMount
 * \details emits didUSBDriveMount signal to notify other classes (UI)
 *          , the USB drive has been mounted.
 */
void GuiView::onUSBDriveMount ()
{
    // coco begin validated: This needs user interaction to plug-in USB device
    // has been tested manually
    usbReady    (true );
    usbRemoved  (false);
    emit didUSBDriveMount ();
}
// coco end

/*!
 * \brief   GuiView::doUSBDriveUmount
 * \details emits didUSBDriveRemove signal to notify other classes (GuiController)
 *          , the USB drive has been removed.
 */
void GuiView::doUSBDriveUmount()
{
    // coco begin validated: This needs user interaction to plug-in USB device
    // has been tested manually
    usbReady    (false);
    usbRemoved  (false);
    emit didUSBDriveUmount();
}
// coco end

/*!
 * \brief GuiView::doUSBDriveRemove
 * \details emits didUSBDriveRemove signal to notify other classes (UI)
 *          , the USB drive has been removed.
 */
void GuiView::onUSBDriveRemove()
{
    // coco begin validated: This needs user interaction to plug-in USB device
    // has been tested manually
    usbReady    (false);
    usbRemoved  (true );
    emit didUSBDriveRemove();
}
// coco end

/*!
 * \brief GuiView::onSDCardStateChange
 * \details emits didSDCardStateChange signal to notify other classes (UI)
 *          , the SD Card State has been changed.
 * \param   vIsReady    - SDCard is Ready
 * \param   vIsReadOnly - SDCard is ReadOnly
 */
void GuiView::onSDCardStateChange(bool vIsReady, bool vIsReadOnly)
{
    // coco begin validated: This needs user interaction to plug-in USB device
    // has been tested manually
    /// DEBUG: qDebug() << " ***** GuiView " << Storage::SDCard_Base_Path_Name << vIsReady;
    sdIsReady   (vIsReady   );
    sdIsReadOnly(vIsReadOnly);
}
// coco end

/*!
 * \brief   GuiController::doSDCardSpaceTooLow
 * \details The handler slot for the didSDCardSpaceTooLow signal comes form GuiController.
 * \param   vAvailablePercent - the minimum limit of available storage space
 */
void GuiView::onSDCardSpaceTooLow(quint8 vAvailablePercent)
{
    // coco begin validated: This needs to fill up the SD-Card and test with human interactions.
    // has been tested manually
    sdTooLowPecent(vAvailablePercent);
}
// coco end

/*!
 * \brief   GuiView::onExport
 * \details The slot which will be called to notify the export is done
 *          by emitting the didExport signal.
 */
void GuiView::onExport()
{
    // coco begin validated: This needs user interaction to plug-in USB device
    // has been tested manually
    emit didExport();
}
// coco end

/*!
 * \brief   GuiView::doExportLog
 * \details emits didExportLog signal to notify other classes (GuiController)
 *          , the User requested to export the log.
 */
void GuiView::doExportLog()
{
    // coco begin validated: This needs user interaction to plug-in USB device
    // has been tested manually
    emit didExportLog();
}
// coco end

/*!
 * \brief   GuiView::onSDCardSpaceChange
 * \details SD Card storage space parameter change slot.
 *          This slot when called is calling the function concurrentRemoveLogs,
 *          if percent of available space vPercent is less than Storage::Available_Space_Percent,
 *          if the SD Card is ready (vReady is true)
 * \param   vReady      - The SD Card is Ready
 * \param   vTotal      - Total storage space on the SD Card
 * \param   vAvailable  - Available storage space on the SD Card
 * \param   vPercent    - Percent of available storage space on the SD Card
 */
void GuiView::onSDCardSpaceChange(bool vReady, qint64 vTotal, qint64 vAvailable, quint8 vPercent)
{
    // coco begin validated: This needs user interaction to change the SD card files system.
    // has been tested manually
    /// DEBUG: qDebug() << vReady << vTotal << vAvailable << vPercent << Storage::Available_Space_Percent;
    Q_UNUSED(vReady)
    sdTotal     ( vTotal                                        );
    sdAvail     ( vAvailable                                    );
    sdPercent   ( vPercent                                      );
    sdIsLow     ( vPercent <= Storage::Available_Space_Percent  );
}
// coco end