#include "KeypadSDL.hpp"

bool KeypadSDL::isKeyPressed(int key) const {
  return mvKeyDown.at(key);
}

void KeypadSDL::processEvent(SDL_Event &e) {
  auto keymap = [](int sdlKeyCode) -> int {
    switch(sdlKeyCode) {
      case SDLK_1: return chocochip8::KEY_1;
      case SDLK_2: return chocochip8::KEY_2;
      case SDLK_3: return chocochip8::KEY_3; 
      case SDLK_4: return chocochip8::KEY_C;
      case SDLK_q: return chocochip8::KEY_4;
      case SDLK_w: return chocochip8::KEY_5;
      case SDLK_e: return chocochip8::KEY_6;
      case SDLK_r: return chocochip8::KEY_D;
      case SDLK_a: return chocochip8::KEY_7;
      case SDLK_s: return chocochip8::KEY_8;
      case SDLK_d: return chocochip8::KEY_9;
      case SDLK_f: return chocochip8::KEY_E;
      case SDLK_z: return chocochip8::KEY_A;
      case SDLK_x: return chocochip8::KEY_0;
      case SDLK_c: return chocochip8::KEY_B;
      case SDLK_v: return chocochip8::KEY_F;
      default    : return -1;
    }
  };

  if(e.type == SDL_KEYUP || e.type == SDL_KEYDOWN) {
    int k = keymap(e.key.keysym.sym);
    if(k != -1) {
      mvKeyDown[k] = (e.type == SDL_KEYDOWN);
    }
  }
}