/**
 * Copyright (c) 2025 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "inputbutton.h"
#include "input.h"
#include "assert/assert.h"
#include "util/string.h"

const inputbuttondata_t INPUT_BUTTON_DATA[] = {
  #if INPUT_SDL2 == 1
    #if INPUT_GAMEPAD == 1
      #if PSP
      #else
      #endif
    #endif

    #if INPUT_KEYBOARD == 1
      { .name = "a", { .type = INPUT_BUTTON_TYPE_KEYBOARD, .scancode = SDL_SCANCODE_A } },
      { .name = "`", { .type = INPUT_BUTTON_TYPE_KEYBOARD, .scancode = SDL_SCANCODE_GRAVE } },
    #endif
  #endif
};

inputbutton_t inputButtonGetByName(const char_t *name) {
  assertNotNull(name, "name must not be NULL");

  uint32_t len = sizeof(INPUT_BUTTON_DATA) / sizeof(inputbuttondata_t);

  for(uint32_t i = 0; i < len; i++) {
    if(stringCompareInsensitive(INPUT_BUTTON_DATA[i].name, name) != 0) continue;
    return INPUT_BUTTON_DATA[i].button;
  }

  return (inputbutton_t){ .type = INPUT_BUTTON_TYPE_NONE };
}

float_t inputButtonGetValue(const inputbutton_t button) {
  switch(button.type) {
    #if INPUT_KEYBOARD == 1
      case INPUT_BUTTON_TYPE_KEYBOARD: {
        #if INPUT_SDL2 == 1
          return INPUT.keyboardState[button.scancode] ? 1.0f : 0.0f;
        #else
          return 0.0f;
        #endif
      }
    #endif

    #if INPUT_GAMEPAD == 1
      case INPUT_BUTTON_TYPE_GAMEPAD: {
        #if INPUT_SDL2 == 1
          if(SDL_GameControllerGetButton(
            SDL_GameControllerFromInstanceID(0), button.gpButton
          )) return 1.0f;
        #endif
        return 0.0f;
      }
    #endif

    default: {
      assertUnreachable("Unknown input button type");
      return 0.0f;
    }
  }
}