/**
  * Send / Receive telegrams to/from TX/RX directory
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2016-09-26
  */

#include "directory_dispatcher.h"
#include "convert_to_json_file.h"
#include "directory_cleaner.h"
#include <XDR_QtHandler/XDR_DirHandler.h>
#include <QDir>

namespace TetraRadio
{
//
// DirectoryDispatcher
//
DirectoryDispatcher::DirectoryDispatcher(const std::shared_ptr<TrainingAreaBase::RecvFromTab> &recvFromTabCb,
                                         const QString &txDir,
                                         const QString &rxDir)
  : TrainingAreaBase::Plugin::Interface()
  , ConvertFromJson(recvFromTabCb, "TAB.Plugin.DirectoryDispatcher")
  , m_xdrDirHandler(new XDR_DirHandler_emit(rxDir, this))
  , m_txCleaner(new DirectoryCleaner(txDir, 10 * 60, this))
  , m_txDir(txDir)
  , m_rxDir(rxDir)
{
  QFileInfo fi(m_txDir);
  if (!fi.exists() || !fi.isDir())
  {
    QDir d;
    if (!d.mkpath(m_txDir))
      ERROR_LOG(m_logger) << "Can not create directory " << m_txDir;
  }
  fi = QFileInfo(m_rxDir);
  if (!fi.exists() || !fi.isDir())
  {
    QDir d;
    if (!d.mkpath(m_rxDir))
      ERROR_LOG(m_logger) << "Can not create directory " << m_rxDir;
  }

  NOTICE_LOG(m_logger) << "Using RX dir: " << m_rxDir;
  NOTICE_LOG(m_logger) << "Using TX dir: " << m_txDir;
  connect(m_xdrDirHandler, &XDR_DirHandler_emit::newTelegram,
          this, &DirectoryDispatcher::newTelegramArrived);
}

DirectoryDispatcher::~DirectoryDispatcher()
{
  delete m_xdrDirHandler;
}


bool DirectoryDispatcher::init()
{
  m_tx = std::make_shared<ConvertToJsonFile>(m_txDir);
  m_xdrDirHandler->startWatching();
  return true;
}

std::shared_ptr<TrainingAreaBase::SendToTab> DirectoryDispatcher::sendToTab()
{
  return m_tx;
}

void DirectoryDispatcher::newTelegramArrived(const QString &fullPath)
{
  DEBUG_LOG(m_logger) << "Got new telegram: "
                      << fullPath;
  QFile f(fullPath);
  if (!f.open(QIODevice::ReadOnly))
    return;
  const QByteArray tele = f.readAll();
  f.close();
  int recvCounterUnused;
  handleTelegram(tele, recvCounterUnused);
}

} // namespace TetraRadio