// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#include "InputCommon/ControllerInterface/DInput/DInput.h"

#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"

#include "InputCommon/ControllerInterface/ControllerInterface.h"
#include "InputCommon/ControllerInterface/DInput/DInputJoystick.h"
#include "InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h"

#pragma comment(lib, "Dinput8.lib")
#pragma comment(lib, "dxguid.lib")

namespace ciface::DInput
{
BOOL CALLBACK DIEnumDeviceObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef)
{
  ((std::list<DIDEVICEOBJECTINSTANCE>*)pvRef)->push_back(*lpddoi);
  return DIENUM_CONTINUE;
}

BOOL CALLBACK DIEnumDevicesCallback(LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef)
{
  ((std::list<DIDEVICEINSTANCE>*)pvRef)->push_back(*lpddi);
  return DIENUM_CONTINUE;
}

std::string GetDeviceName(const LPDIRECTINPUTDEVICE8 device)
{
  DIPROPSTRING str = {};
  str.diph.dwSize = sizeof(str);
  str.diph.dwHeaderSize = sizeof(str.diph);
  str.diph.dwHow = DIPH_DEVICE;

  std::string result;
  if (SUCCEEDED(device->GetProperty(DIPROP_PRODUCTNAME, &str.diph)))
  {
    result = StripSpaces(UTF16ToUTF8(str.wsz));
  }
  else
  {
    ERROR_LOG(PAD, "GetProperty(DIPROP_PRODUCTNAME) failed.");
  }

  return result;
}

void PopulateDevices(HWND hwnd)
{
  // Remove unplugged devices.
  g_controller_interface.RemoveDevice(
      [](const auto* dev) { return dev->GetSource() == DINPUT_SOURCE_NAME && !dev->IsValid(); });

  IDirectInput8* idi8;
  if (FAILED(DirectInput8Create(GetModuleHandle(nullptr), DIRECTINPUT_VERSION, IID_IDirectInput8,
                                (LPVOID*)&idi8, nullptr)))
  {
    ERROR_LOG(PAD, "DirectInput8Create failed.");
    return;
  }

  InitKeyboardMouse(idi8, hwnd);
  InitJoystick(idi8, hwnd);

  idi8->Release();
}
}  // namespace ciface::DInput