#include "CArun.h"

#include "datei.h"


#define         UPDATE_PERIOD_MS        100
    // period to call chain steps

#define         VENDINGTIMEOUT_MS       30000



CArun::CArun(QObject *parent)
    : QObject{parent}
{
    loadPlugIn(1);

    timerChainCtrl = new QTimer(this);
    connect(timerChainCtrl, SIGNAL(timeout()), this, SLOT(chainControl()));
    timerChainCtrl->setSingleShot(0);
    timerChainCtrl->start(UPDATE_PERIOD_MS);     // 1000: call every 1000ms
}


char CArun::loadPlugIn(char lade1_entlade2)
{
    plugInDir.cd("plugins");
    QPluginLoader *pluginLoader = new QPluginLoader();

    pluginLoader->setFileName("/usr/lib/libCAmaster.so"); // for ptu5

    if (lade1_entlade2==2)
    {
        pluginLoader->unload();
        return 0;
    }

    if (!pluginLoader->load())
    {
        qDebug()<<"cannot load plugin";
    } else
        qDebug() <<"loaded plugin: " << pluginLoader->fileName();

    if (!pluginLoader->isLoaded())
    {
        qDebug()<<pluginLoader->errorString();
        return 0;
    }

    QObject *plugin = pluginLoader->instance();
    if ( plugin == nullptr)
    {
        // make instance of the root component (which can hold more then one clases)
        // also loads the lib if not yet done
        qDebug()<<"cannot start instance";
        return 0;
    }

    HWaccess= qobject_cast<hwinf *>(plugin);
    // make instance to class "hwinf" in dll_HWapi.h over "interfaces.h"

    qDebug()<<"loadPlugIn, HWAccess: " << HWaccess;
    return 0;
}



void CArun::chainControl(void)
{
        #define FILENAME_COMPORT            "../comport.csv"  // TODO: use absolute path
                                                              // use settings (ini-file)

        QString  bs, cn;
        int br, ci;


        // load and use last settings:  --------------------
        QByteArray myBA;
        myBA=datei_readFromFile(FILENAME_COMPORT);
        if (myBA.length()>0)
        {
            bs=csv_getEntryAsString(myBA,0);      // read the 's'     war 2!??
            br=csv_getEntryAsInt(myBA,1);               // z.B. 5 (5.Eintrag in der Baud-Liste)
            bs=csv_getEntryAsString(myBA,2);                // z.B 115200
            cn=csv_getEntryAsString(myBA,3);       // z.B. COM9
            ci=csv_getEntryAsInt(myBA,4);               // Eintragsnummer in COM-Fenster
            HWaccess->dc_openSerial(br,bs,cn,1);
        } else
        {
            // vermutlich wird dies hier ausgeführt, weil eine csv-Datei wird nicht installiert

            // open with default settings
            qDebug()<<"CArunGui: open serial with default values";

            bs="115200";
            br=5;
            //cn="COM14";     // Windows
            cn="ttymxc2";   // PTU5
            ci=2;
            HWaccess->dc_openSerial(br,bs,cn,1);
        }

        // TIMER myTO: hat keinen timeout-slot!
        // wird nur verwendet, um isActive() abzufragen, d.h. ~x zu warten

        // pruefen, of Port nach x s open:
                if (HWaccess->dc_isPortOpen())
                {

                } else
                {
                  // wenn nicht: step 6
                }
                myTO->start(100);
            }
        } else

        if (myStep==2)
        {
            if (!myTO->isActive())
            {
                HWaccess->dc_requTestResponse();
                myStep++;
                myTO->start(100);
            }
        } else

        if (myStep==3)
        {
            if (!myTO->isActive())
            {
                if (HWaccess->dc_readAnswTestResponse())
                    myStep++;   // response was correct
                else
                {
                    myStep=6;   // 13.12.23: start Autoconnect cycle
                    qDebug()<<"CArunGui: got no answer from DC, retry..";
                }
                myTO->start(100);
            }

        } else

        if (myStep==4)
        {
            HWaccess->dc_autoRequest(1);
            AutSendButton->setChecked(true);        // taste "druecken"
            myStep++;
            myTO->start(2000);
        } else

        if (myStep==5)
        {
            if (!myTO->isActive())
            {
                if (HWaccess->sys_areDCdataValid())
                {
                    qDebug()<<"CArunGui: DC is connected";
                    myStep=7;  // OK, connection is up and running
                }  else
                {
                    qDebug()<<"CArunGui: auto request is not running, retry...";
                    myStep++;
                    myTO->start(100);
                }
            }

        } else

        if (myStep==6)
        {
            // restart autoconnect cycle
            myTO->start(100);     // restart
            myStep=0;
        } else

        if (myStep==7)
        {
            // stay here, DC connection is up and running


        } else
        {

        }

        if (myNextStep)
        {
            *nextScreen=myNextStep;
            myNextStep=0;
        }
        return false;




}