#pragma once
#include "types.h"
#include <memory>

class ByteStream;
class StateWrapper;

class HostInterface;

namespace CPU
{
class Core;
}

class Bus;
class DMA;
class InterruptController;
class GPU;
class CDROM;
class Pad;
class PadDevice;

class System
{
public:
  System(HostInterface* host_interface);
  ~System();

  HostInterface* GetHostInterface() const { return m_host_interface; }

  u32 GetFrameNumber() const { return m_frame_number; }
  void IncrementFrameNumber() { m_frame_number++; }

  bool Initialize();
  void Reset();

  bool LoadState(ByteStream* state);
  bool SaveState(ByteStream* state);

  void RunFrame();

  bool LoadEXE(const char* filename);

  void SetSliceTicks(TickCount downcount);

  void SetPadDevice(u32 slot, std::shared_ptr<PadDevice> dev);

private:
  bool DoState(StateWrapper& sw);

  HostInterface* m_host_interface;
  std::unique_ptr<CPU::Core> m_cpu;
  std::unique_ptr<Bus> m_bus;
  std::unique_ptr<DMA> m_dma;
  std::unique_ptr<InterruptController> m_interrupt_controller;
  std::unique_ptr<GPU> m_gpu;
  std::unique_ptr<CDROM> m_cdrom;
  std::unique_ptr<Pad> m_pad;
  u32 m_frame_number = 1;
};