#include "cru/platform/gui/sdl/Input.h"
#include "cru/platform/gui/Input.h"

namespace cru::platform::gui::sdl {
MouseButton ConvertMouseButton(Uint8 button) {
  switch (button) {
    case SDL_BUTTON_LEFT:
      return MouseButtons::Left;
    case SDL_BUTTON_MIDDLE:
      return MouseButtons::Middle;
    case SDL_BUTTON_RIGHT:
      return MouseButtons::Right;
  }
  return MouseButtons::Unknown;
}

KeyCode ConvertKeyCode(SDL_Keycode keycode) {
  switch (keycode) {
#define CRU_SDL_DEFINE_KEY_CODE_CONVERT(cru_key_code, sdl_key_code) \
  case SDLK_##sdl_key_code:                                         \
    return KeyCode::cru_key_code;

    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Grave, GRAVE)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Escape, ESCAPE)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F1, F1)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F2, F2)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F3, F3)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F4, F4)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F5, F5)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F6, F6)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F7, F7)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F8, F8)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F9, F9)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F10, F10)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F11, F11)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F12, F12)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N0, 0)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N1, 1)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N2, 2)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N3, 3)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N4, 4)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N5, 5)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N6, 6)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N7, 7)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N8, 8)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N9, 9)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(A, A)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(B, B)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(C, C)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(D, D)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(E, E)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(F, F)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(G, G)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(H, H)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(I, I)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(J, J)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(K, K)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(L, L)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(M, M)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(N, N)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(O, O)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(P, P)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Q, Q)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(R, R)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(S, S)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(T, T)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(U, U)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(V, V)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(W, W)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(X, X)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Y, Y)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Z, Z)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Tab, TAB)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(CapsLock, CAPSLOCK)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(LeftShift, LSHIFT)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(LeftCtrl, LCTRL)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(LeftSuper, LGUI)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(LeftAlt, LALT)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Minus, MINUS)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Equal, EQUALS)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Backspace, BACKSPACE)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(LeftSquareBracket, LEFTBRACKET)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(RightSquareBracket, RIGHTBRACKET)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(BackSlash, BACKSLASH)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Semicolon, SEMICOLON)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Quote, APOSTROPHE)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Comma, COMMA)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Period, PERIOD)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Slash, SLASH)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(RightShift, RSHIFT)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(RightCtrl, RCTRL)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(RightSuper, RGUI)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(RightAlt, RALT)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Insert, INSERT)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Delete, DELETE)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Home, HOME)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(End, END)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(PageUp, PAGEUP)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(PageDown, PAGEDOWN)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Up, UP)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Left, LEFT)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Down, DOWN)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Right, RIGHT)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(PrintScreen, PRINTSCREEN)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(ScrollLock, SCROLLLOCK)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Pause, PAUSE)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad0, KP_0)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad1, KP_1)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad2, KP_2)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad3, KP_3)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad4, KP_4)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad5, KP_5)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad6, KP_6)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad7, KP_7)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad8, KP_8)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(NumPad9, KP_9)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Return, RETURN)
    CRU_SDL_DEFINE_KEY_CODE_CONVERT(Space, SPACE)
#undef CRU_SDL_DEFINE_KEY_CODE_CONVERT
    default:
      return KeyCode::Unknown;
  }
}

KeyModifier ConvertKeyModifier(SDL_Keymod keymod) {
  KeyModifier result;
  if (keymod & SDL_KMOD_SHIFT) result |= KeyModifiers::Shift;
  if (keymod & SDL_KMOD_CTRL) result |= KeyModifiers::Ctrl;
  if (keymod & SDL_KMOD_ALT) result |= KeyModifiers::Alt;
  return result;
}

KeyModifier GetKeyModifier() { return ConvertKeyModifier(SDL_GetModState()); }
}  // namespace cru::platform::gui::sdl