/**
  * Handle one climate sensor
  * Requests for climate sensor data in an given interval.
  * All data will be send by signal/slot connection in case of data change.
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by hjl, SLSE, 2016-09-22
  */

#include "tcpclimate.h"
#include "settings.h"

namespace MeteoDataManagement
{

TcpClimate::TcpClimate(QObject *parent)
  : TcpSocket("TcpClimate", parent)
  , m_requestTimer(new QTimer(this))
  , m_requestTimeoutTimer(new QTimer(this))
  , m_pressure(0.0)
  , m_temperature(0.0)
  , m_humidity(0.0)
  , m_dataChanged(false)
{
  // m_logger geerbt aus TcpSocket
  DEBUG_LOG(m_logger) << "CTOR  TcpClimate... hat TcpSocket fuer connects initialisiert";

  connect(m_requestTimer, &QTimer::timeout, this, &TcpClimate::onSensorDataRequest);
  connect(m_requestTimeoutTimer, &QTimer::timeout, this, &TcpClimate::onRequestTimeout);
}
//-------------------------------------------------------------------

void TcpClimate::start(const QString &converterIp, quint16 climatePort)
{
  DEBUG_LOG(m_logger) << "TcpClimate::start()  ... call function TcpSocket::start()";

  TcpSocket::start(converterIp, climatePort);  // connect...
  m_requestTimer->start(Settings::getRequstIntervalClimateSensor());
}
//-------------------------------------------------------------------

void TcpClimate::init()
{
  // pure virtual function aus TcpSocket

  // PTU-300 Einstellungen: StopMode, 4800,7,E,1
  // Hier sind dann keine weiteren Einstellungen erforderlich.
  // Nach PowerOn ist die PTU betriebsbereit.

  // PTU Stop-Mode setzen damit das Geraet ueberhaupt commands annnimmt.
//  if(! sendCommand("S\r"))
//    return;

}
//-------------------------------------------------------------------

void TcpClimate::dataAvailable(const QByteArray &line)
{
  // pure virtual function aus TcpSocket

  // Nur lines mit Wetterdaten behandeln
  if (line.contains("P="))
  {
    m_requestTimeoutTimer->stop();
    bool ok = extractDataFromLine(line);
    if (!ok)
    {
      ERROR_LOG(m_logger) << "Read error climate sensor data."
                          << " RS232-LAN Converter: " << m_hostName
                          << " Port: " << m_hostPort;
    }

    if (m_dataChanged)
    {
      m_dataChanged = false;

      INFO_LOG(m_logger) << "climateDataChanged()"
                         << " pressure: " << m_pressure
                         << " temperature: " << m_temperature
                         << " humidity: " << m_humidity;

      emit sigClimateDataChanged(m_pressure, m_temperature, m_humidity, ok);
    }
  }
  else
  {
    DEBUG_LOG(m_logger) << "Other climate sensor data available.  line: " << line;
    // ggf. andere Meldungen behandeln
  }
}
//-------------------------------------------------------------------

void TcpClimate::onSensorDataRequest()
{
  if (m_requestTimeoutTimer->isActive())
    return;

  DEBUG_LOG(m_logger) << "onSensorDataRequest()  ... " ;

  if (!sendCommand("SEND\r\n"))
    return;

  m_requestTimeoutTimer->start(Settings::getRequstTimeoutClimateSensor());
}
//-------------------------------------------------------------------

void TcpClimate::onRequestTimeout()
{
  ERROR_LOG(m_logger) << "Timeout for climate sensor data request."
                      << " RS232-LAN Converter: " << m_hostName
                      << " Port: " << m_hostPort;

  emit sigClimateDataChanged(0, 0, 0, false);
  m_requestTimeoutTimer->stop();
}
//-------------------------------------------------------------------

bool TcpClimate::extractDataFromLine(const QByteArray &line)
{
  bool bOk = true;
  float retValue;

  if (extractValueFromLine(line, "P=", "hPa", retValue))
  {
    DEBUG_LOG(m_logger) << "pressure: " << retValue ;
    if (!qFuzzyCompare(retValue, m_pressure))
    {
      m_pressure = retValue;
      m_dataChanged = true;
    }
  }
  else
  {
    WARNING_LOG(m_logger) << "Value for pressure not available!"
                          << " RS232-LAN Converter: " << m_hostName
                          << " Port: " << m_hostPort;
    bOk = false;
  }

  if (extractValueFromLine(line, "T=", "'C", retValue))
  {
    DEBUG_LOG(m_logger) << "temperature: " << retValue ;
    if (!qFuzzyCompare(retValue, m_temperature))
    {
      m_temperature = retValue;
      m_dataChanged = true;
    }
  }
  else
  {
    DEBUG_LOG(m_logger) << "Value for temperature not available!"
                        << " RS232-LAN Converter: " << m_hostName
                        << " Port: " << m_hostPort;
    bOk = false;
  }

  if (extractValueFromLine(line, "RH=", "%RH", retValue))
  {
    DEBUG_LOG(m_logger) << "humidity: " << retValue ;
    if (!qFuzzyCompare(retValue, m_humidity))
    {
      m_humidity = retValue;
      m_dataChanged = true;
    }
  }
  else
  {
    WARNING_LOG(m_logger) << "Value for humidity not available!"
                          << " RS232-LAN Converter: " << m_hostName
                          << " Port: " << m_hostPort;
    bOk = false;
  }

  return bOk;
}
//-------------------------------------------------------------------

bool TcpClimate::extractValueFromLine(const QByteArray &line, const QByteArray &startKey, const QByteArray &endKey, float &retValue)
{
  bool bOk = true;
  if (line.contains(startKey) && line.contains(endKey))
  {
    int idx  = line.indexOf(startKey);
    int idx2 = line.indexOf(endKey);

    QByteArray value;
    for (int i = idx + startKey.length(); i < idx2; i++)
    {
      if (line.at(i) != ' ')
        value.append(line.at(i));
    }
    retValue = value.toFloat(&bOk);
  }
  else
  {
    bOk = false;
    WARNING_LOG(m_logger) << "One or both keywords not found in line: "
                          << line << "keywords: " << startKey << " / " << endKey;
  }
  return bOk;
}
//-------------------------------------------------------------------

} // namespace MeteoDataManagement