#include "menu.h"
#include "game.h"
#include "renderer.h"

Menu::Menu() {
  items.push_back({.text = "New Game", .activationFunction = [this] (Game& game) {
    close();
    game.losing = LoseState::PoppingLamps;
    game.muxer.stopMusic();
  }});
  items.push_back({.text = "Toggle Fullscreen", .activationFunction = [] (Game& game) {
    game.renderer.toggleFullscreen();
  }});
  items.push_back({.text = "Quit", .activationFunction = [this] (Game& game) {
    close();
    game.losing = LoseState::PoppingLamps;
    game.quitting = true;
    game.muxer.stopMusic();
  }});
}

void Menu::open(Game& game) {
  menuState = MenuState::Opening;
  menuDisplayProgress.start(200);
  game.muxer.playSound("openmenu");
}

void Menu::close() {
  menuState = MenuState::Closing;
  menuDisplayProgress.start(200);
}

void Menu::update(size_t dt, Game& game) {
  if (menuState != MenuState::Open) {
    SDL_Event e;

    while (SDL_PollEvent(&e)) {
      if (e.type == SDL_QUIT) {
        game.quit = true;
      }
    }
  }

  switch (menuState) {
    case MenuState::Closed: {
      // Shouldn't happen.
      break;
    }
    case MenuState::Opening: {
      menuDisplayProgress.tick(dt);
      if (menuDisplayProgress.isComplete()) {
        menuState = MenuState::Open;
      }

      break;
    }
    case MenuState::Closing: {
      menuDisplayProgress.tick(dt);
      if (menuDisplayProgress.isComplete()) {
        menuState = MenuState::Closed;
      }

      break;
    }
    case MenuState::Open: {
      SDL_Event e;

      while (SDL_PollEvent(&e)) {
        if (e.type == SDL_QUIT) {
          game.quit = true;
        } else if (e.type == SDL_KEYDOWN) {
          switch (e.key.keysym.sym)
          {
            case SDLK_ESCAPE: {
              close();
              game.muxer.playSound("closemenu");
              break;
            }
            case SDLK_SPACE: {
              items[cursor].activationFunction(game);
              game.muxer.playSound("menuselect");
              break;
            }
            case SDLK_UP:
            case SDLK_w: {
              cursor--;
              if (cursor < 0) {
                cursor = items.size() - 1;
              }
              game.muxer.playSound("menucursor");
              break;
            }
            case SDLK_DOWN:
            case SDLK_s: {
              cursor++;
              if (cursor >= items.size()) {
                cursor = 0;
              }
              game.muxer.playSound("menucursor");
              break;
            }
          }
        }
      }

      break;
    }
  }
}