#include "cell.h"
#include <SDL3/SDL.h>

// Pen axis enum to string
static const char *pen_axis_to_string(SDL_PenAxis axis) {
  switch (axis) {
    case SDL_PEN_AXIS_PRESSURE: return "pressure";
    case SDL_PEN_AXIS_XTILT: return "xtilt";
    case SDL_PEN_AXIS_YTILT: return "ytilt";
    case SDL_PEN_AXIS_DISTANCE: return "distance";
    case SDL_PEN_AXIS_ROTATION: return "rotation";
    case SDL_PEN_AXIS_SLIDER: return "slider";
    case SDL_PEN_AXIS_TANGENTIAL_PRESSURE: return "tangential_pressure";
    default: return "unknown";
  }
}

static SDL_PenAxis string_to_pen_axis(const char *str) {
  if (!str) return SDL_PEN_AXIS_PRESSURE;
  if (!strcmp(str, "pressure")) return SDL_PEN_AXIS_PRESSURE;
  if (!strcmp(str, "xtilt")) return SDL_PEN_AXIS_XTILT;
  if (!strcmp(str, "ytilt")) return SDL_PEN_AXIS_YTILT;
  if (!strcmp(str, "distance")) return SDL_PEN_AXIS_DISTANCE;
  if (!strcmp(str, "rotation")) return SDL_PEN_AXIS_ROTATION;
  if (!strcmp(str, "slider")) return SDL_PEN_AXIS_SLIDER;
  if (!strcmp(str, "tangential_pressure")) return SDL_PEN_AXIS_TANGENTIAL_PRESSURE;
  return SDL_PEN_AXIS_PRESSURE;
}

// Get pen axis count
JSC_CCALL(pen_get_axis_count,
  return JS_NewInt32(js, SDL_PEN_AXIS_COUNT);
)

// Get pen axis name
JSC_CCALL(pen_get_axis_name,
  int axis;
  JS_ToInt32(js, &axis, argv[0]);
  return JS_NewString(js, pen_axis_to_string((SDL_PenAxis)axis));
)

// Get pen axis from name
JSC_SCALL(pen_get_axis_from_name,
  const char *name = JS_ToCString(js, argv[0]);
  if (!name) return JS_EXCEPTION;
  SDL_PenAxis axis = string_to_pen_axis(name);
  JS_FreeCString(js, name);
  return JS_NewInt32(js, axis);
)

// Pen input flags helpers
JSC_CCALL(pen_input_down,
  return JS_NewUint32(js, SDL_PEN_INPUT_DOWN);
)

JSC_CCALL(pen_input_button_1,
  return JS_NewUint32(js, SDL_PEN_INPUT_BUTTON_1);
)

JSC_CCALL(pen_input_button_2,
  return JS_NewUint32(js, SDL_PEN_INPUT_BUTTON_2);
)

JSC_CCALL(pen_input_button_3,
  return JS_NewUint32(js, SDL_PEN_INPUT_BUTTON_3);
)

JSC_CCALL(pen_input_eraser_tip,
  return JS_NewUint32(js, SDL_PEN_INPUT_ERASER_TIP);
)

static const JSCFunctionListEntry js_pen_funcs[] = {
  MIST_FUNC_DEF(pen, get_axis_count, 0),
  MIST_FUNC_DEF(pen, get_axis_name, 1),
  MIST_FUNC_DEF(pen, get_axis_from_name, 1),
  MIST_FUNC_DEF(pen, input_down, 0),
  MIST_FUNC_DEF(pen, input_button_1, 0),
  MIST_FUNC_DEF(pen, input_button_2, 0),
  MIST_FUNC_DEF(pen, input_button_3, 0),
  MIST_FUNC_DEF(pen, input_eraser_tip, 0),
};

CELL_USE_FUNCS(js_pen_funcs)