#include "legoinputmanager.h"
#include "legocontrolmanager.h"
#include "legoomni.h"

#include "mxautolocker.h"

DECOMP_SIZE_ASSERT(LegoInputManager, 0x338);

// OFFSET: LEGO1 0x1005b790
LegoInputManager::LegoInputManager()
{
  m_unk0x5c = NULL;
  m_unk0x64 = 0;
  m_unk0x60 = 0;
  m_unk0x68 = NULL;
  m_unk0x80 = 0;
  m_timer = 0;
  m_unk0x6c = 0;
  m_unk0x70 = 0;
  m_controlManager = NULL;
  m_unk0x81 = 0;
  m_unk0x88 = FALSE;
  m_directInput = NULL;
  m_directInputDevice = NULL;
  m_unk0x94 = 0;
  m_unk0x195 = 0;
  m_joyid = -1;
  m_joystickIndex = -1;
  m_useJoystick = FALSE;
  m_unk0x335 = FALSE;
  m_unk0x336 = FALSE;
  m_unk0x74 = 0x19;
  m_timeout = 1000;
}

// OFFSET: LEGO1 0x1005b8b0 STUB
MxResult LegoInputManager::Tickle()
{
  // TODO
  return SUCCESS;
}

// OFFSET: LEGO1 0x1005b8f0
LegoInputManager::~LegoInputManager()
{
  Destroy();
}

// OFFSET: LEGO1 0x1005bfe0
void LegoInputManager::Destroy()
{
  ReleaseDX();

  if (m_unk0x5c) 
    delete m_unk0x5c;
  m_unk0x5c = NULL;

  if (m_unk0x68) 
    delete m_unk0x68;
  m_unk0x68 = NULL;

  if (m_controlManager)
    delete m_controlManager;
}

// OFFSET: LEGO1 0x1005c030
void LegoInputManager::CreateAndAcquireKeyboard(HWND hwnd)
{
  HINSTANCE hinstance = (HINSTANCE) GetWindowLong(hwnd, GWL_HINSTANCE);
  HRESULT hresult = DirectInputCreate(hinstance, 0x500, &m_directInput, NULL); // 0x500 for DX5

  if (hresult == DI_OK) {
    HRESULT createdeviceresult = m_directInput->CreateDevice(GUID_SysKeyboard, &m_directInputDevice, NULL);
    if (createdeviceresult == DI_OK) {
      m_directInputDevice->SetCooperativeLevel(hwnd, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
      m_directInputDevice->SetDataFormat(&c_dfDIKeyboard);
      m_directInputDevice->Acquire();
    }
  }
}

// OFFSET: LEGO1 0x1005c0a0
void LegoInputManager::ReleaseDX()
{
  if (m_directInputDevice != NULL) {
    m_directInputDevice->Unacquire();
    m_directInputDevice->Release();
    m_directInputDevice = NULL;
  }

  if (m_directInput != NULL) {
    m_directInput->Release();
    m_directInput = NULL;
  }
}

// OFFSET: LEGO1 0x1005c240
MxResult LegoInputManager::GetJoystickId()
{
  JOYINFOEX joyinfoex;

  if (m_useJoystick != FALSE) {
    MxS32 joyid = m_joystickIndex;
    if (joyid >= 0) {
      joyinfoex.dwSize = 0x34;
      joyinfoex.dwFlags = 0xFF;

      if (joyGetPosEx(joyid, &joyinfoex) == JOYERR_NOERROR && joyGetDevCaps(joyid, &m_joyCaps, 0x194) == JOYERR_NOERROR) {
        m_joyid = joyid;
        return SUCCESS;
      }
    }

    for (joyid = JOYSTICKID1; joyid < 16; joyid++) {
      joyinfoex.dwSize = 0x34;
      joyinfoex.dwFlags = 0xFF;
      if (joyGetPosEx(joyid, &joyinfoex) == JOYERR_NOERROR && joyGetDevCaps(joyid, &m_joyCaps, 0x194) == JOYERR_NOERROR) {
        m_joyid = joyid;
        return SUCCESS;
      }
    }
  }

  return FAILURE;
}

// OFFSET: LEGO1 0x1005c320
MxResult LegoInputManager::GetJoystickState(MxU32 *joystick_x, MxU32 *joystick_y, DWORD *buttons_state, MxU32 *pov_position)
{
  if (m_useJoystick != FALSE) {
    if (m_joyid < 0 && GetJoystickId() == -1) {
      m_useJoystick = FALSE;
      return FAILURE;
    }

    JOYINFOEX joyinfoex;
    joyinfoex.dwSize = 0x34;
    joyinfoex.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNBUTTONS;
    MxU32 capabilities = m_joyCaps.wCaps;

    if ((capabilities & JOYCAPS_HASPOV) != 0) {
      joyinfoex.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNPOV | JOY_RETURNBUTTONS;

      if ((capabilities & JOYCAPS_POVCTS) != 0)
        joyinfoex.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNPOV | JOY_RETURNBUTTONS | JOY_RETURNPOVCTS;
    }

    MMRESULT mmresult = joyGetPosEx(m_joyid, &joyinfoex);
    
    if (mmresult == MMSYSERR_NOERROR) {
      *buttons_state = joyinfoex.dwButtons;
      MxU32 xmin = m_joyCaps.wXmin;
      MxU32 ymax = m_joyCaps.wYmax;
      MxU32 ymin = m_joyCaps.wYmin;
      MxS32 ydiff = ymax - ymin;
      *joystick_x = ((joyinfoex.dwXpos - xmin) * 100) / (m_joyCaps.wXmax - xmin);
      *joystick_y = ((joyinfoex.dwYpos - m_joyCaps.wYmin) * 100) / ydiff;
      if ((m_joyCaps.wCaps & (JOYCAPS_POV4DIR | JOYCAPS_POVCTS)) != 0) {
        if (joyinfoex.dwPOV == JOY_POVCENTERED) {
          *pov_position = (MxU32) -1;
          return SUCCESS;
        }
        *pov_position = joyinfoex.dwPOV / 100;
        return SUCCESS;
      }
      else {
        *pov_position = (MxU32) -1;
        return SUCCESS;
      }
    }
  }
  return FAILURE;
}

// OFFSET: LEGO1 0x1005c470 STUB
void LegoInputManager::Register(MxCore *)
{
  // TODO
}

// OFFSET: LEGO1 0x1005c5c0 STUB
void LegoInputManager::UnRegister(MxCore *)
{
  // TODO
}

// OFFSET: LEGO1 0x1005c740 STUB
void LegoInputManager::QueueEvent(NotificationId id, unsigned char p2, MxLong p3, MxLong p4, unsigned char p5)
{
  // TODO
}

// OFFSET: LEGO1 0x1005cfb0
void LegoInputManager::SetTimer()
{
  LegoOmni* omni = LegoOmni::GetInstance();
  UINT timer = ::SetTimer(omni->GetWindowHandle(), 1, m_timeout, NULL);
  m_timer = timer;
}

// OFFSET: LEGO1 0x1005cfd0
void LegoInputManager::KillTimer()
{
  if (m_timer != 0) {
    LegoOmni* omni = LegoOmni::GetInstance();
    ::KillTimer(omni->GetWindowHandle(), m_timer);
  }
}