#include "SDL.h"
#include "states.h"
#include "menu.h"


struct menuItem mainMenu[] = {
  {"Neues Spiel", STATE_NUMPLAYERS},
  {"Credits", STATE_CREDITS},
  {"Spiel beenden", STATE_EXIT}
};
struct menuItem numplayersMenu[] = {
  {"Einspieler", STATE_RUNNINGGAME},
  {"Zweispieler", STATE_RUNNINGGAME},
  {"Dreispieller", STATE_RUNNINGGAME},
  {"Zurueck", STATE_MAINMENU}
};
struct menuItem creditsMenu[] = {
  {"Zurueck", STATE_MAINMENU}
};
struct menuItem rlyquitMenu[] = {
  {"Beenden", STATE_MAINMENU},
  {"Weiterspielen", STATE_RUNNINGGAME}
};

void handleMenuEvent(struct menuItem items[], int numItems, enum states prevState) {
  if (event.type == SDL_KEYDOWN) {
    switch (event.key.keysym.sym) {
      case SDLK_DOWN:
      case SDLK_j:
        currentMenuActionState++;
        if (currentMenuActionState > numItems-1) currentMenuActionState = 0;
        break;
      case SDLK_UP:
      case SDLK_k:
        currentMenuActionState--;
        if (currentMenuActionState < 0) currentMenuActionState = numItems-1;
        break;
      case SDLK_RETURN:
      case SDLK_SPACE:
        currentState = items[currentMenuActionState].targetState;
        currentMenuActionState = 0;
        break;
      case SDLK_ESCAPE:
      case SDLK_BACKSPACE:
        currentMenuActionState = 0;
        currentState = prevState;
        break;
      default:
        break;
    }
  }
}

void drawMenu(struct menuItem items[], int numItems) {
  SDL_Surface *text;
  SDL_Rect targetPos;

  SDL_Color colorSelected = {0, 255, 66};
  SDL_Color colorNormal = {59, 71, 62};
  
  for (int i=0; i<numItems; i++) {
    targetPos.x = 200;
    targetPos.y = i*60+200;
    targetPos.w = SCREEN_WIDTH-200;
    targetPos.h = 50;
    text = TTF_RenderText_Solid(menuFont, items[i].buttonDescription,
        currentMenuActionState == i ? colorSelected : colorNormal);
    SDL_BlitSurface(text, NULL, screen, &targetPos);
  }
}