#include "SystemConfig.h"
#include "GeneralMessagesLogDispatcher.h"

CSystemConfig::CSystemConfig() :
    mSaveLocalLogFile(false)
{
}

CSystemConfig::~CSystemConfig()
{
    while(mCANDeviceConfigList.size() != 0)
    {
        delete mCANDeviceConfigList.takeAt(0);
    }
}

int CSystemConfig::LoadConfig()
{

    CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Chargement de la configuration système..."));
//    if(DevicesList == 0)
//    {
//        qDebug("CSystemConfig: Trying to load a config into an invalid devices list");
//        CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Échec de sauvegarde de la config système.  Pointeur vers liste de devices invalide!!!"),true,CGeneralMessagesLogDispatcher::GEN_MSG_TXT_ERROR_STATUS);
//        return RET_GENERAL_ERROR;
//    }

    QFile* ConfigFile = new QFile("./Config/Station.cfg");
    if(ConfigFile)
    {
        if(ConfigFile->open(QIODevice::ReadOnly | QIODevice::Unbuffered) == false)
        {
            qDebug("CSystemConfig: Failed to open config file in config loading");
            CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Échec de sauvegarde de la config système.  Impossible d'ouvrir le fichier /Config/Station.cfg"),true,CGeneralMessagesLogDispatcher::GEN_MSG_TXT_ERROR_STATUS);
            return RET_GENERAL_ERROR;
        }
    }
    else
    {
        CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Échec de sauvegarde de la config système.  Pointeur vers QFile invalide !!!"),true,CGeneralMessagesLogDispatcher::GEN_MSG_TXT_ERROR_STATUS);
        qDebug("CSystemConfig: Invalid QFile pointer in config loading...");
        return RET_GENERAL_ERROR;
    }

    QDataStream * InputStream = new QDataStream(ConfigFile);

    quint32 MagicNbr;// = 0xBAADCAFE;
    quint32 FileVersion;


    *InputStream >> MagicNbr;
    if(MagicNbr != OTARCIK_CONFIG_FILE_MAGIC_NBR)
    {
        return RET_GENERAL_ERROR;
    }

    *InputStream >> FileVersion;

    int NbDevices;
    *InputStream >> NbDevices;
    for(int i = 0; i < NbDevices; i++)
    {
        CCANDeviceConfig *NewDeviceConfig = new CCANDeviceConfig;
        *InputStream >> *NewDeviceConfig;
        //DevicesList->append(new CCANDevice(NewDeviceConfig));
        mCANDeviceConfigList.append(NewDeviceConfig);
    }


    ConfigFile->close();
    delete ConfigFile;
    delete InputStream;

    CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Configuration système chargée avec succès!"),true,CGeneralMessagesLogDispatcher::GEN_MSG_TXT_SUCCESS_STATUS);
    return RET_OK;
}

int CSystemConfig::SaveConfig()
{
    CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Sauvegarde de la configuration système..."));

    QFile *ConfigFile = new QFile("./Config/Station.cfg");
    if(ConfigFile)
    {
        if(ConfigFile->open(QIODevice::WriteOnly | QIODevice::Unbuffered) == false)
        {
            CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Échec de sauvegarde de la config système.  Impossible d'ouvrir le fichier /Config/Station.cfg"),true,CGeneralMessagesLogDispatcher::GEN_MSG_TXT_ERROR_STATUS);
            return RET_GENERAL_ERROR;
        }
    }
    else
    {
       CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Échec de sauvegarde de la config système.  Pointeur vers QFile invalide !!!"),true,CGeneralMessagesLogDispatcher::GEN_MSG_TXT_ERROR_STATUS);
       return RET_GENERAL_ERROR;
    }


    QDataStream * OutputStream = new QDataStream(ConfigFile);

    quint32 MagicNbr = OTARCIK_CONFIG_FILE_MAGIC_NBR;
    quint32 FileVersion = OTARCIK_CURRENT_CONFIG_FILE_VERSION;

    //Setup the config file header
    *OutputStream << MagicNbr;
    *OutputStream << FileVersion;

    //Save the CAN devices config info
    *OutputStream << mCANDeviceConfigList.size();   //Number of devices
    for(int i = 0; i < mCANDeviceConfigList.size(); i++)
    {
        *OutputStream << *mCANDeviceConfigList.at(i);   //Add each device info to config file
    }

    ConfigFile->flush();
    ConfigFile->close();

    delete ConfigFile;
    delete OutputStream;

    CGeneralMessagesLogDispatcher::instance()->AddLogMessage(QString("Configuration système sauvegardée avec succès."),true,CGeneralMessagesLogDispatcher::GEN_MSG_TXT_SUCCESS_STATUS);

    return RET_OK;
}


QList<CCANDeviceConfig*> * CSystemConfig::GetCANDevicesConfigList()
{
    return &mCANDeviceConfigList;
}


int CSystemConfig::SetCANDevicesConfigList(QList<CCANDeviceConfig *> *DevicesConfigList)
{
    if(DevicesConfigList == 0)
        return RET_GENERAL_ERROR;

    while(mCANDeviceConfigList.size() != 0)
    {
        delete mCANDeviceConfigList.takeAt(0);
    }

    for(int i = 0; i < DevicesConfigList->size(); i++)
    {
        CCANDeviceConfig *NewDeviceConfig = new CCANDeviceConfig(*DevicesConfigList->at(i));
        mCANDeviceConfigList.append(NewDeviceConfig);
    }

    return RET_OK;
}