#ifndef MISSION_PAYLOAD_SCEXDEVICEHANDLER_H_
#define MISSION_PAYLOAD_SCEXDEVICEHANDLER_H_

#include <fsfw/devicehandlers/DeviceHandlerBase.h>
#include <linux/payload/ScexHelper.h>
#include <linux/payload/ScexUartReader.h>

#include <optional>

#include "eive/eventSubsystemIds.h"

class SdCardMountedIF;

class ScexDeviceHandler : public DeviceHandlerBase {
 public:
  static constexpr char FRAM_BASE_NAME[] = "framContent";
  static constexpr char ION_BASE_NAME[] = "ion";
  static constexpr char TEMPERATURE_BASE_NAME[] = "temperature";
  static constexpr char EXP_STATUS_BASE_NAME[] = "expStatus";
  static constexpr char ONE_CELL_BASE_NAME[] = "oneCell";
  static constexpr char ALL_CELLS_BASE_NAME[] = "allCells";
  static constexpr char PING_IDLE_BASE_NAME[] = "pingIdle";

  ScexDeviceHandler(object_id_t objectId, ScexUartReader &reader, CookieIF *cookie,
                    SdCardMountedIF &sdcMan);
  void setPowerSwitcher(PowerSwitchIF &powerSwitcher, power::Switch_t switchId);
  virtual ~ScexDeviceHandler();

 private:
  static constexpr uint32_t LONG_CD = 180 * 1000;
  static constexpr uint32_t SHORT_CD = 12000;
  std::array<uint8_t, 64> cmdBuf = {};

  std::optional<power::Switch_t> switchId;
  std::string fileId = "";
  std::string fileName = "";
  bool fileNameSet = false;
  bool commandActive = false;
  bool multiFileFinishOutstanding = false;
  bool debugMode = false;

  scex::Cmds currCmd = scex::Cmds::PING;
  SdCardMountedIF &sdcMan;
  Countdown finishCountdown = Countdown(LONG_CD);
  Countdown fsUnusableEventCd = Countdown(60000);

  // DeviceHandlerBase private function implementation
  void doStartUp() override;
  void doShutDown() override;
  ScexHelper helper;
  ScexUartReader &reader;

  void fsUnsableEvent();
  void performOperationHook() override;
  ReturnValue_t buildNormalDeviceCommand(DeviceCommandId_t *id) override;
  ReturnValue_t buildTransitionDeviceCommand(DeviceCommandId_t *id) override;
  ReturnValue_t buildCommandFromCommand(DeviceCommandId_t deviceCommand, const uint8_t *commandData,
                                        size_t commandDataLen) override;
  void fillCommandAndReplyMap() override;
  void filesystemChecks();
  ReturnValue_t scanForReply(const uint8_t *start, size_t remainingSize, DeviceCommandId_t *foundId,
                             size_t *foundLen) override;
  ReturnValue_t interpretDeviceReply(DeviceCommandId_t id, const uint8_t *packet) override;
  ReturnValue_t handleValidReply(size_t remSize, DeviceCommandId_t *foundId, size_t *foundLen);
  uint32_t getTransitionDelayMs(Mode_t modeFrom, Mode_t modeTo) override;
  ReturnValue_t getSwitches(const uint8_t **switches, uint8_t *numberOfSwitches) override;

  ReturnValue_t initializeLocalDataPool(localpool::DataPool &localDataPoolMap,
                                        LocalDataPoolManager &poolManager) override;
  ReturnValue_t initializeAfterTaskCreation() override;

  ReturnValue_t generateNewScexFile(const char *cmdName);
};

#endif /* MISSION_PAYLOAD_SCEXDEVICEHANDLER_H_ */