#include "main.h"
#include <unistd.h>
#include <QFutureWatcher>
#include "serial.inc.h"

class BackEnds;
extern SerialManager serialManager;
extern QMap <QString, BackEnds> backends;
using namespace std;

ZigateBackend zigateBkd;

ZigateBackend::ZigateBackend()
{
    BackEnds zigate;
    backends["Zigate"] = zigate;
    backends["zigate"].name = "Zigate";
    backends["zigate"].device = "ZIGATE";
}

ZigateBackend::~ZigateBackend()
{
}

QByteArray ZigateBackend::checksum(QByteArray msgType, QByteArray length, QByteArray datas)
{
    quint16 temp = 0;
    int i;
    QString str;

    str = msgType.mid(0,2);
    temp ^=  str.toInt(nullptr, 16);
    str = msgType.mid(2,2);
    temp ^= str.toInt(nullptr, 16);
    str = length.mid(0,2);
    temp ^= str.toInt(nullptr, 16);
    str = length.mid(2,2);
    temp ^= str.toInt(nullptr, 16);
    for (i=0;i<=(datas.count());i+=2)
    {
        str = datas.mid(i,2);
        temp ^= str.toInt(nullptr, 16);
    }
    return QByteArray::number(temp, 16);
}

QByteArray ZigateBackend::transcode(QByteArray datas)
{
    QByteArray msg = "";
    int i;
    QByteArray byte;
    if (datas.count()%2 != 0)
    {
        return "-1";
    }
    for (i=0;i<datas.count();i+=2)
    {
        byte = datas.mid(i,2);
        if (byte.toUInt(nullptr, 16) > 15)
        {
            msg += byte;
        }else
        {
            msg.append("02");
            msg.append(QByteArray::number(byte.toUInt(nullptr, 16) ^ 16, 16));
        }
    }
    return msg;
}

QByteArray ZigateBackend::unTranscode(QByteArray datas)
{
    QByteArray result;
    int i;
    char tmp;

    if (datas.isEmpty())
    {
        return "-1";
    }

    for (i=1;i<=datas.count()-2;i++)
    {
        tmp = datas.at(i);
        if (tmp == 0x02)
        {
            i++;
            result.append(datas[i] ^ 16);
        }else
        {
            if (tmp != 0 and tmp != 1)
            {
                result += tmp;
            }
        }
    }
    cout << result.toHex(' ').toStdString() << endl;
    return result;
}

void ZigateBackend::sendCmd(QByteArray cmd, QByteArray datas)
{
    QByteArray msg;
    QByteArray len;

    len = QByteArray::number(datas.count()/2, 16).insert(0,"000").right(4);
    msg  = QByteArray::fromHex("01");
    msg += QByteArray::fromHex(transcode(cmd));
    msg += QByteArray::fromHex(transcode(len));
    if (!datas.isEmpty())
    {
        msg += QByteArray::fromHex(checksum(cmd, len, datas));
        msg += QByteArray::fromHex(transcode(datas));
    }else{
        msg += QByteArray::fromHex(checksum(cmd, len, ""));
    }
    msg += QByteArray::fromHex("03");
    serialManager.write(msg);
    if (!serialManager.waitForBytesWritten(10000))
    {
        cout << "error : no acknoledge of bytes written" << endl;
    }
    //this->interpretResult(this->dataRead);
}

/*void ZigateBackend::getResponse()
{
    //this->getData();
    this->interpretResult(this->dataRead);
    this->dataRead.clear();
}*/

void ZigateBackend::interpretResult(QByteArray payload)
{
    uint tab = 0;
    int length = 0;
    quint8 crctmp = 0;
    uint i = 0;
    int datasResultLength = 0;
    Response responseObject;
    QByteArray type;
    uint ln;
    quint8 crc;
    QByteArray datasResult;
    QByteArray quality;
    QByteArray payloadD;
    payloadD = unTranscode(payload);
    length = payloadD.count();

    while(length > 5)
    {
        crctmp = 0;
        //type de message
        type = payloadD.mid(0, 2);
        ln = payloadD.mid(2, 2).toHex().toUInt(nullptr, 16);
        if ((unsigned char)type[0] == 128 or (unsigned char)type[0] == 0 or (unsigned char)type[0] == 153)
        {
            crctmp = crctmp ^ payloadD.at(0) ^ payloadD.at(1);
            crctmp = crctmp ^ payloadD.at(2) ^ payloadD.at(3);
            //acquisition du CRC
            crc = payloadD.at(4);
            //datasResult
            datasResult = "";
            for(i=0;i<ln;i++)
            {
                datasResult += payloadD.at(5+i);
                crctmp ^= payloadD.at(5+i);
            }
            quality = payloadD.right(1);

            datasResultLength = datasResult.count();

            //verification du CRC
            if (crc == crctmp)
            {
                if (responseListIndex[type.toHex()]->manager != nullptr)
                {
                    responseObject.code = type;
                    responseObject.datas = datasResult;
                  //  responseObject.properties = responseListIndex[type]->properties
                    responseListIndex[type.toHex()]->manager(&responseObject);

                }else
                {
                    cout << "unknown command or command not implemented :" << type.toHex().toStdString() << endl;
                }
            }else
            {
                tab=-2;
            }
        }
        payloadD.remove(0,ln+6);
        length = payloadD.count();
    }
    //return tab;
}

void defaultManager(Response *responseObject)
{
    int nbyte;
    int isValue;
    int offset = 0;
    QByteArray datas = responseObject->datas;
    QByteArray result;
    QByteArray code = responseObject->code.toHex();

    cout << responseObject->code.toStdString() << endl;
    QMap <uint, QList<QVariant>>::iterator i = zigateBkd.responseListIndex[code]->properties.begin();
    QList <QVariant> propertyList;
    QMap <uint, QString> propertyDetail;
    QMap<uint,QString> var;

    infoOutput(responseObject);
    while (i != zigateBkd.responseListIndex[code]->properties.end())
    {
        propertyList = i.value();
        propertyDetail = zigateBkd.responseListIndex[code]->propertyDetail.value(i.key());
        cout << propertyList.at(0).toString().toStdString() << ": ";
        nbyte = propertyList.at(1).toInt();
        isValue = propertyList.at(2).toInt();
        result = datas.mid(offset, nbyte);
        offset += nbyte;

        switch (isValue)
        {
            case 0:
                cout << result.toHex().toStdString() << endl;
            break;
            case 1:
                cout << result.toHex().toStdString() << endl;
                //foreach (var, propertyDetail)
                //{

                //}
            break;
            case 2:
                if (propertyDetail.contains(result.toUInt()))
                {
                    cout << propertyDetail.value(result.toUInt()).toStdString() << endl;
                }else if (propertyDetail.contains(-1))
                {
                    cout << propertyDetail.value(-1).toStdString() << endl;
                }
            break;
            case 3:
                zigateBkd.responseListIndex[responseObject->code]->propertyManagerList[i.key()](result);
            break;
            case 4:
                cout << "Liste" << endl;
            break;
            case 5:
                cout << result.toStdString() << endl;
            break;
        }
        i++;
    }
}

void macCapabilityManager(QByteArray mac)
{
    cout << "macCapabilityManger" << mac.toStdString() << endl;
}
/* void deviceAnnounceManager()
{
    infoOutput(responseListIndex(""));
}
*/

void dataIndicationManager(Response * response)
{
    infoOutput(response);
}

void clustersListManager(Response * response)
{
    infoOutput(response);
}

/*
void attributesListManager()
{
    infoOutput(attributesList);
}

void commandsListManager()
{
    infoOutput(commandsList);
}

void statusManager()
{
    infoOutput(status);
}

void status2Manager()
{

}

void versionListManager()
{
    infoOutput(versionList);
}
// ****************************************************************************
//   0 - Off
//   1 - On
// *******************************************************************************

void permitJoinManager()
{
    infoOutput(permitJoin);
}

void networkJoinedFormedManager()
{
    infoOutput(networkJoinedFormed);
}
*/

void deviceListManager(Response * response)
{
    infoOutput(response);
    // **************************************************************
    // <device list – data each entry is 13 bytes>
    //			<ID: uint8_t>
    //          <Short address: uint16_t>
    //          <IEEE address: uint64_t>
    //          <Power source: bool_t> 0 – battery 1- AC power
    //          <LinkQuality : uint8_t> 1-255
    // **************************************************************
 }

/*
void bindResponseManager()
{
    infoOutput(bindResponse);
}

void unbindResponseManager()
{
    infoOutput(unbindResponse);
}
*/

void networkAddressManager(Response * response)
{
    infoOutput(response);
}


void iEEEAddressManager(Response * response)
{
    infoOutput(response);
}

void nodeDescriptorManager(Response * response)
{
    infoOutput(response);
}

void simpleDescriptorManager(Response * response)
{
    infoOutput(response);
}

/*
void powerDescriptorManager()
{
    infoOutput(powerDescriptor);
}

void activeEndpointManager()
{
    infoOutput(activeEndpoint);
}

void matchDescriptorManager()
{
    infoOutput(matchDescriptor);
}

void userDescriptorNotifyManager()
{
    infoOutput(userDescriptorNotify);
}

void userDescriptorManager()
{
    infoOutput(userDescriptor);
}

void complexDescriptorManager()
{
    infoOutput(complexDescriptor);
}

void managementLeaveManager()
{
    infoOutput(managementLeave);
}

void leaveIndicationManager()
{
    infoOutput(leaveIndication);
}

void managementNetworkUpdateManager()
{
    infoOutput(managementNetworkUpdate);
}

void systemServerDiscoveryManager()
{
    infoOutput(systemServerDiscovery);
}
// ********************************* //
// Bitmask according to spec".       //
// ********************************* //

void managementLQIManager()
{
    infoOutput(managementLQI);
}

void attributeDiscoveryManager()
{
    infoOutput(attributeDiscovery);
}
*/