/*!
 *
 * Copyright (c) 2019-2019 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    messagehandler.cpp
 * date    10/26/2019
 * author  Behrouz NematiPour
 *
 */
#include "messagehandler.h"

// Qt
#include <QDebug>

// Project
#include "applicationcontroller.h"

// namespace
using namespace Can;

// Singleton
SINGLETON_INIT(MessageHandler)

/*!
 * \brief MessageHandler Constructor
 * \param parent
 */
MessageHandler::MessageHandler(QObject *parent) : QObject(parent)
{
}

/*!
 * \brief Message Handler initializer
 */
void MessageHandler::init()
{
    connection();
}

/*!
 * \brief Message Handler connections definition
 */
void MessageHandler::connection()
{
    // From GUI
    connect(_ApplicationController, SIGNAL(didActionRequest(GuiActionType)),
            this                  ,   SLOT( onActionRequest(GuiActionType)));
    // From GUI
    connect(_ApplicationController, SIGNAL(didActionPerform(GuiActionType,GuiActionInfo)),
            this                  ,   SLOT( onActionPerform(GuiActionType, GuiActionInfo)));
    // From HD/DG
    connect(_CanInterface         , SIGNAL(didRead(QCanBusFrame)),
            this                  ,   SLOT( onRead(QCanBusFrame)));

}


/*!
 * \brief Process the requested action
 * \details Processes the requested action
 * \param vAction - User requested Action
 */
void MessageHandler::onActionRequest(GuiActionType vAction)
{
    // TODO : Test Code
    QCanBusFrame mFrame;
    QString      mPayload;
    switch (vAction) {
    case GuiActionType::PowerOff:
        mFrame.setFrameId(eChlid_UI);
        mPayload = "A5 01 00 00 00 00 00 00";
         mFrame.setPayload(QByteArray::fromHex(mPayload.remove(QLatin1Char(' ')).toLatin1()));
        break;
    default:
        break;
    }
    emit didActionRequest(mFrame);
}

/*!
 * \brief Process the performed action
 * \details An action which has been commanded by HD has been performed by GUI.\n
 * GUI notifies that the action has been performed
 * \param vAction
 * \param vInfo
 */
void MessageHandler::onActionPerform(GuiActionType vAction, GuiActionInfo vInfo)
{
    // TODO : Test Code
    QCanBusFrame mFrame;
    QString      mPayload;
    switch (vAction) {
    case GuiActionType::PowerOff:
        mFrame.setFrameId(eChlid_UI);
        if (vInfo == GuiActionInfo::Accepted) {
            mPayload = "A5 01 00 01 01 00 00 00";
        }
        else {
            mPayload = "A5 01 00 01 00 00 00 00";
        }
        mFrame.setPayload(QByteArray::fromHex(mPayload.remove(QLatin1Char(' ')).toLatin1()));
        break;
    default:
        break;
    }
    emit didActionPerform(mFrame);
}

/*!
 * \brief MessageHandler::onRead
 * \param vFrame
 */
void MessageHandler::onRead(const QCanBusFrame &vFrame)
{
    // TODO : Test Code
    bool isCommand = true;
    bool isUnknown  = false;

    // TODO : For test
    if (vFrame.toString() != "     020   [8]  A5 01 00 00 00 00 00 00") {
        isUnknown = true;
    }

    switch (vFrame.frameId()) {
    case eChlid_HD:
        // qDebug() << "<=HD";
        break;
    default:
        break;
    }
    if (isUnknown) return;

    if (isCommand) {
        //qDebug() << vFrame.toString();
        emit didActionCommand(GuiActions::PowerOff);
    }
    else {
        emit didActionConfirm(GuiActions::PowerOff,GuiActions::Accepted);
    }
}