/*----------------------------------------------------------------------------*/
/* Copyright (c) 2017 FIRST. All Rights Reserved.                             */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project.                                                               */
/*----------------------------------------------------------------------------*/

#pragma once

#include <atomic>
#include <limits>
#include <memory>

#include <support/mutex.h>

#include "MockData/I2CData.h"
#include "MockData/NotifyListenerVector.h"

namespace hal {
class I2CData {
 public:
  I2CData();
  ~I2CData();

  int32_t RegisterInitializedCallback(HAL_NotifyCallback callback, void* param,
                                      HAL_Bool initialNotify);
  void CancelInitializedCallback(int32_t uid);
  void InvokeInitializedCallback(HAL_Value value);
  HAL_Bool GetInitialized();
  void SetInitialized(HAL_Bool initialized);

  int32_t RegisterReadCallback(HAL_BufferCallback callback, void* param);
  void CancelReadCallback(int32_t uid);

  int32_t RegisterWriteCallback(HAL_BufferCallback callback, void* param);
  void CancelWriteCallback(int32_t uid);

  void Write(int32_t deviceAddress, uint8_t* dataToSend, int32_t sendSize);
  void Read(int32_t deviceAddress, uint8_t* buffer, int32_t count);

  void ResetData();

 private:
  wpi::mutex m_registerMutex;
  wpi::mutex m_dataMutex;
  std::atomic<HAL_Bool> m_initialized{false};
  std::shared_ptr<NotifyListenerVector> m_initializedCallbacks = nullptr;
  std::shared_ptr<BufferListenerVector> m_readCallbacks = nullptr;
  std::shared_ptr<BufferListenerVector> m_writeCallbacks = nullptr;
};
extern I2CData SimI2CData[];
}  // namespace hal