// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#include <memory>
#include <string>

#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "Core/HW/SI_Device.h"
#include "Core/HW/SI_DeviceAMBaseboard.h"
#include "Core/HW/SI_DeviceDanceMat.h"
#include "Core/HW/SI_DeviceGBA.h"
#include "Core/HW/SI_DeviceGCAdapter.h"
#include "Core/HW/SI_DeviceGCController.h"
#include "Core/HW/SI_DeviceGCSteeringWheel.h"
#include "Core/HW/SI_DeviceKeyboard.h"

// --- interface ISIDevice ---
int ISIDevice::RunBuffer(u8* _pBuffer, int _iLength)
{
#ifdef _DEBUG
  DEBUG_LOG(SERIALINTERFACE, "Send Data Device(%i) - Length(%i)   ", ISIDevice::m_iDeviceNumber,
            _iLength);

  std::string temp;
  int num = 0;

  while (num < _iLength)
  {
    temp += StringFromFormat("0x%02x ", _pBuffer[num ^ 3]);
    num++;

    if ((num % 8) == 0)
    {
      DEBUG_LOG(SERIALINTERFACE, "%s", temp.c_str());
      temp.clear();
    }
  }

  DEBUG_LOG(SERIALINTERFACE, "%s", temp.c_str());
#endif
  return 0;
}

int ISIDevice::TransferInterval()
{
  return 0;
}

// Stub class for saying nothing is attached, and not having to deal with null pointers :)
class CSIDevice_Null : public ISIDevice
{
public:
  CSIDevice_Null(SIDevices device, int _iDeviceNumber) : ISIDevice(device, _iDeviceNumber) {}
  virtual ~CSIDevice_Null() {}
  int RunBuffer(u8* _pBuffer, int _iLength) override
  {
    reinterpret_cast<u32*>(_pBuffer)[0] = SI_ERROR_NO_RESPONSE;
    return 4;
  }
  bool GetData(u32& _Hi, u32& _Low) override
  {
    _Hi = 0x80000000;
    return true;
  }
  void SendCommand(u32 _Cmd, u8 _Poll) override {}
};

// Check if a device class is inheriting from CSIDevice_GCController
// The goal of this function is to avoid special casing a long list of
// device types when there is no "real" input device, e.g. when playing
// a TAS movie, or netplay input.
bool SIDevice_IsGCController(SIDevices type)
{
  switch (type)
  {
  case SIDEVICE_GC_CONTROLLER:
  case SIDEVICE_WIIU_ADAPTER:
  case SIDEVICE_GC_TARUKONGA:
  case SIDEVICE_DANCEMAT:
  case SIDEVICE_GC_STEERING:
    return true;
  default:
    return false;
  }
}

// F A C T O R Y
std::unique_ptr<ISIDevice> SIDevice_Create(const SIDevices device, const int port_number)
{
  switch (device)
  {
  case SIDEVICE_GC_CONTROLLER:
    return std::make_unique<CSIDevice_GCController>(device, port_number);

  case SIDEVICE_WIIU_ADAPTER:
    return std::make_unique<CSIDevice_GCAdapter>(device, port_number);

  case SIDEVICE_DANCEMAT:
    return std::make_unique<CSIDevice_DanceMat>(device, port_number);

  case SIDEVICE_GC_STEERING:
    return std::make_unique<CSIDevice_GCSteeringWheel>(device, port_number);

  case SIDEVICE_GC_TARUKONGA:
    return std::make_unique<CSIDevice_TaruKonga>(device, port_number);

  case SIDEVICE_GC_GBA:
    return std::make_unique<CSIDevice_GBA>(device, port_number);

  case SIDEVICE_GC_KEYBOARD:
    return std::make_unique<CSIDevice_Keyboard>(device, port_number);

  case SIDEVICE_AM_BASEBOARD:
    return std::make_unique<CSIDevice_AMBaseboard>(device, port_number);

  case SIDEVICE_NONE:
  default:
    return std::make_unique<CSIDevice_Null>(device, port_number);
  }
}
