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/*!
    \page elro.html
    \title Elro

    \ingroup plugins
    \ingroup rf433

    This plugin allows to controll RF 433 MHz actors an receive remote signals from Elro
    devices.

    Following devices are supported:

    \chapter Supported devices
        \section1 Actors
            \table
            \header
                \li Model
                \li Device Type
            \row
                \li
                \li
            \endtable

        \section1 Remotes
            \table
            \header
                \li Model
                \li Device Type
            \row
                \li
                \li
            \endtable
  */

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

#include <QDebug>
#include <QStringList>

DeviceClassId elroRemoteId = DeviceClassId("d85c1ef4-197c-4053-8e40-707aa671d302");
DeviceClassId elroSwitchId = DeviceClassId("308ae6e6-38b3-4b3a-a513-3199da2764f8");
DeviceClassId elroMotionDetectorId = DeviceClassId("4c64aee6-7a4f-41f2-b278-edc55f0da0d3");


DevicePluginElro::DevicePluginElro()
{

}

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

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

    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)){
        qDebug() << "transmitted" << pluginName() << device->name() << "power: " << action.param("power").value().toBool();
        return report();
    }else{
        qDebug() << "could not transmitt" << pluginName() << device->name() << "power: " << action.param("power").value().toBool();
        return report(DeviceManager::DeviceErrorHardwareNotAvailable,QString("Radio 433 MHz transmitter not available."));
    }
}

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;
    }
    //qDebug() << "ELRO understands this protocol: " << binCode;

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

    Device *device = 0;
    QList<Device*> deviceList = deviceManager()->findConfiguredDevices(elroRemoteId);
    foreach (Device *dev, deviceList) {
        if (dev->hasParam("channel 1") && dev->paramValue("channel 1").toBool() == group.at(0) &&
                dev->hasParam("channel 2") && dev->paramValue("channel 2").toBool() == group.at(1) &&
                dev->hasParam("channel 3") && dev->paramValue("channel 3").toBool() == group.at(2) &&
                dev->hasParam("channel 4") && dev->paramValue("channel 4").toBool() == group.at(3) &&
                dev->hasParam("channel 5") && dev->paramValue("channel 5").toBool() == group.at(4)
                ) {
            // Yippie! We found the device.
            device = dev;
            break;
        }
    }
    if (!device) {
        return;
    }

    ParamList params;
    Param powerParam("power", power);
    params.append(powerParam);

    // FIXME: find a better way to get to the remote DeviceClass
    DeviceClass deviceClass = supportedDevices().first();
    foreach (const EventType &eventType, deviceClass.eventTypes()) {
        if (eventType.name() == button) {
            qDebug() << "got event: " << pluginName() << group << "power = " << power;
            Event event = Event(eventType.id(), device->id(), params);
            emit emitEvent(event);
            return;
        }
    }
}