#include "TmFunnel.h"

#include <fsfw/ipc/QueueFactory.h>
#include <fsfw/objectmanager/ObjectManager.h>
#include <fsfw/serviceinterface/ServiceInterface.h>
#include <fsfw/tmtcpacket/pus/tm.h>

#include "fsfw/tmtcpacket/pus/tm.h"

object_id_t TmFunnel::downlinkDestination = objects::NO_OBJECT;
object_id_t TmFunnel::storageDestination = objects::NO_OBJECT;

TmFunnel::TmFunnel(TimeReaderIF &timeReader, object_id_t objectId, uint32_t messageDepth)
    : SystemObject(objectId), timeReader(timeReader), messageDepth(messageDepth) {
  tmQueue = QueueFactory::instance()->createMessageQueue(messageDepth,
                                                         MessageQueueMessage::MAX_MESSAGE_SIZE);
  storageQueue = QueueFactory::instance()->createMessageQueue(
      messageDepth, MessageQueueMessage::MAX_MESSAGE_SIZE);
}

TmFunnel::~TmFunnel() = default;

MessageQueueId_t TmFunnel::getReportReceptionQueue(uint8_t virtualChannel) {
  return tmQueue->getId();
}

ReturnValue_t TmFunnel::performOperation(uint8_t operationCode) {
  TmTcMessage currentMessage;
  ReturnValue_t status = tmQueue->receiveMessage(&currentMessage);
  while (status == HasReturnvaluesIF::RETURN_OK) {
    status = handlePacket(&currentMessage);
    if (status != HasReturnvaluesIF::RETURN_OK) {
      sif::warning << "TmFunnel packet handling failed" << std::endl;
      break;
    }
    status = tmQueue->receiveMessage(&currentMessage);
  }

  if (status == MessageQueueIF::EMPTY) {
    return HasReturnvaluesIF::RETURN_OK;
  } else {
    return status;
  }
}

ReturnValue_t TmFunnel::handlePacket(TmTcMessage *message) {
  uint8_t *packetData = nullptr;
  size_t size = 0;
  ReturnValue_t result = tmPool->modifyData(message->getStorageId(), &packetData, &size);
  if (result != HasReturnvaluesIF::RETURN_OK) {
    return result;
  }
  PusTmZeroCopyWriter packet(timeReader, packetData, size);
  result = packet.parseDataWithoutCrcCheck();
  if (result != HasReturnvaluesIF::RETURN_OK) {
    return result;
  }
  packet.setSequenceCount(sourceSequenceCount++);
  sourceSequenceCount = sourceSequenceCount % ccsds::LIMIT_SEQUENCE_COUNT;
  packet.updateErrorControl();

  result = tmQueue->sendToDefault(message);
  if (result != HasReturnvaluesIF::RETURN_OK) {
    tmPool->deleteData(message->getStorageId());
#if FSFW_CPP_OSTREAM_ENABLED == 1
    sif::error << "TmFunnel::handlePacket: Error sending TM to downlink handler" << std::endl;
#endif
    return result;
  }

  if (storageDestination != objects::NO_OBJECT) {
    result = storageQueue->sendToDefault(message);
    if (result != HasReturnvaluesIF::RETURN_OK) {
      tmPool->deleteData(message->getStorageId());
#if FSFW_CPP_OSTREAM_ENABLED == 1
      sif::error << "TmFunnel::handlePacket: Error sending to storage handler" << std::endl;
#endif
      return result;
    }
  }
  return result;
}

ReturnValue_t TmFunnel::initialize() {
  tmPool = ObjectManager::instance()->get<StorageManagerIF>(objects::TM_STORE);
  if (tmPool == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
    sif::error << "TmFunnel::initialize: TM store not set." << std::endl;
    sif::error << "Make sure the tm store is set up properly and implements "
                  "StorageManagerIF"
               << std::endl;
#endif
    return ObjectManagerIF::CHILD_INIT_FAILED;
  }

  AcceptsTelemetryIF *tmTarget =
      ObjectManager::instance()->get<AcceptsTelemetryIF>(downlinkDestination);
  if (tmTarget == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
    sif::error << "TmFunnel::initialize: Downlink Destination not set." << std::endl;
    sif::error << "Make sure the downlink destination object is set up "
                  "properly and implements "
                  "AcceptsTelemetryIF"
               << std::endl;
#endif
    return ObjectManagerIF::CHILD_INIT_FAILED;
  }
  tmQueue->setDefaultDestination(tmTarget->getReportReceptionQueue());

  // Storage destination is optional.
  if (storageDestination == objects::NO_OBJECT) {
    return SystemObject::initialize();
  }

  auto *storageTarget = ObjectManager::instance()->get<AcceptsTelemetryIF>(storageDestination);
  if (storageTarget != nullptr) {
    storageQueue->setDefaultDestination(storageTarget->getReportReceptionQueue());
  }

  return SystemObject::initialize();
}

const char *TmFunnel::getName() const { return "TM Funnel"; }