/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                                                                         *
 *  Copyright (C) 2015 Simon Stürz <simon.stuerz@guh.guru>                 *
 *                                                                         *
 *  This file is part of guh.                                              *
 *                                                                         *
 *  Guh is free software: you can redistribute it and/or modify            *
 *  it under the terms of the GNU General Public License as published by   *
 *  the Free Software Foundation, version 2 of the License.                *
 *                                                                         *
 *  Guh is distributed in the hope that it will be useful,                 *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *  GNU General Public License for more details.                           *
 *                                                                         *
 *  You should have received a copy of the GNU General Public License      *
 *  along with guh. If not, see <http://www.gnu.org/licenses/>.            *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*!
    \page elro.html
    \title Elro
    \brief Plugin for all Elro 433 MHz based devices.

    \ingroup plugins
    \ingroup guh-plugins

    This plugin allows to controll RF 433 MHz actors an receive remote signals from \l{http://www.elroshop.eu/}{Elro}
    devices.

    \chapter Plugin properties
    Following JSON file contains the definition and the description of all available \l{DeviceClass}{DeviceClasses}
    and \l{Vendor}{Vendors} of this \l{DevicePlugin}.

    For more details how to read this JSON file please check out the documentation for \l{The plugin JSON File}.

    \quotefile plugins/deviceplugins/elro/devicepluginelro.json
*/

#include "devicepluginelro.h"
#include "devicemanager.h"
#include "plugininfo.h"

#include <QDebug>
#include <QStringList>

DevicePluginElro::DevicePluginElro()
{
}

DeviceManager::HardwareResources DevicePluginElro::requiredHardware() const
{
    return DeviceManager::HardwareResourceRadio433;
}

DeviceManager::DeviceError DevicePluginElro::executeAction(Device *device, const Action &action)
{   

    if (action.actionTypeId() != powerActionTypeId)
        return DeviceManager::DeviceErrorActionTypeNotFound;

    QList<int> rawData;
    QByteArray binCode;

    // create the bincode
    // channels
    if (device->paramValue("channel 1").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }
    if (device->paramValue("channel 2").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }
    if (device->paramValue("channel 3").toBool()) {
        binCode.append("00");
    }else{
        binCode.append("01");
    }
    if(device->paramValue("channel 4").toBool()){
        binCode.append("00");
    } else {
        binCode.append("01");
    }
    if (device->paramValue("channel 5").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }

    // Buttons
    if (device->paramValue("A").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }
    if (device->paramValue("B").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }
    if (device->paramValue("C").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }
    if (device->paramValue("D").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }
    if (device->paramValue("E").toBool()) {
        binCode.append("00");
    } else {
        binCode.append("01");
    }

    // Power
    if (action.param("power").value().toBool()) {
        binCode.append("0001");
    } else {
        binCode.append("0100");
    }

    //create rawData timings list
    int delay = 350;

    // sync signal
    rawData.append(1);
    rawData.append(31);

    // add the code
    foreach (QChar c, binCode) {
        if (c == '0') {
            rawData.append(1);
            rawData.append(3);
        } else {
            rawData.append(3);
            rawData.append(1);
        }
    }

    // send data to hardware resource
    if (transmitData(delay, rawData)) {
        qCDebug(dcElro) << "Transmitted" << pluginName() << device->name() << "power: " << action.param("power").value().toBool();
        return DeviceManager::DeviceErrorNoError;
    } else {
        qCWarning(dcElro) << "Could not transmitt" << pluginName() << device->name() << "power: " << action.param("power").value().toBool();
        return DeviceManager::DeviceErrorHardwareNotAvailable;
    }
}

void DevicePluginElro::radioData(const QList<int> &rawData)
{    
    // filter right here a wrong signal length
    if (rawData.length() != 49) {
        return;
    }

    int delay = rawData.first()/31;
    QByteArray binCode;
    
    // average 314
    if (delay > 290 && delay < 400) {
        // go trough all 48 timings (without sync signal)
        for (int i = 1; i <= 48; i+=2 ) {
            int div;
            int divNext;
            
            // if short
            if (rawData.at(i) <= 700) {
                div = 1;
            } else {
                div = 3;
            }
            // if long
            if (rawData.at(i+1) < 700) {
                divNext = 1;
            } else {
                divNext = 3;
            }

             //      _
             //     | |___   = 0 -> in 4 delays => 1000
             //         _
             //     ___| |   = 1 -> in 4 delays => 0001

            if (div == 1 && divNext == 3) {
                binCode.append('0');
            } else if(div == 3 && divNext == 1) {
                binCode.append('1');
            } else {
                return;
            }
        }
    } else {
        return;
    }

    qCDebug(dcElro) << "Understands this protocol: " << binCode;

    if (binCode.left(20) == "00000100000000000001") {
        if (binCode.right(4) == "0100") {
            qCDebug(dcElro) << "Motion Detector OFF";
        } else {
            qCDebug(dcElro) << "Motion Detector ON";
        }
    }

    // get the channel of the remote signal (5 channels, true=1, false=0)
    QList<bool> group;
    for (int i = 1; i < 10; i+=2) {
        if (binCode.at(i-1) == '0' && binCode.at(i) == '1') {
            group << false;
        } else if(binCode.at(i-1) == '0' && binCode.at(i) == '0') {
            group << true;
        } else {
            return;
        }
    }
    
    // get the button letter
    QString button;
    QByteArray buttonCode = binCode.mid(10,10);

    if (buttonCode == "0001010101") {
        button = "A";
    } else if (buttonCode == "0100010101") {
        button = "B";
    } else if (buttonCode == "0101000101") {
        button = "C";
    } else if(buttonCode == "0101010001") {
        button = "D";
    } else if(buttonCode == "0101010100") {
        button = "E";
    } else {
        return;
    }

    // get power status -> On = 0100, Off = 0001
    bool power;
    if (binCode.right(4).toInt(0,2) == 1) {
        power = true;
    } else if(binCode.right(4).toInt(0,2) == 4) {
        power = false;
    } else {
        return;
    }

    qCDebug(dcElro) << group << buttonCode << power;
}