#include "states.hpp"


MenuState MenuState::m_MenuState;

void MenuState::Init()
{
	menu = new Menu();

	menu->addItem("Play", play);
	menu->addItem("High Score", score);

	# ifdef DEBUG
		menu->addItem("Debug Info", Debug_Info);
	# endif

	menu->addItem("Exit", quit);

	# ifdef DEBUG
		std::cout << "MenuState Init Successful" << std::endl;
	# endif
}

void MenuState::Clean()
{
	delete menu;

	# ifdef DEBUG
		std::cout << "MenuState Clean Successful" << std::endl;
	# endif
}

void MenuState::Pause()
{
	# ifdef DEBUG
		std::cout << "MenuState Paused" << std::endl;
	# endif
}

void MenuState::Resume()
{
	# ifdef DEBUG
		std::cout << "MenuState Resumed" << std::endl;
	# endif
}

void MenuState::HandleEvents(game* Game)
{
	SDL_Event event;

	while (SDL_PollEvent(&event))
	{
		switch (event.type)
		{
			case SDL_QUIT:
				Game->Quit();
			break;

			case SDL_KEYDOWN:
				switch (event.key.keysym.sym)
				{
					case SDLK_ESCAPE:
					{
						Game->Quit();
					}
					break;

					case SDLK_DOWN:
						menu->Down(Game);
					break;

					case SDLK_UP:
						menu->Up(Game);
					break;

					case SDLK_SPACE:
						menu->Execute(Game);
					break;

					case SDLK_RETURN:
						menu->Execute(Game);
					break;
				}
			break;
		}
	}
}

void MenuState::Update(game* Game) 
{
	SDL_FillRect(Game->GetScreen(), NULL, 0x000000);
}

// We have to change the way we get the screen in this function
void MenuState::Draw(game* Game) 
{
	menu->Draw(Game);

	SDL_Flip(Game->GetScreen());
}


void MenuState::play(game* Game)
{
	Game->ChangeState(PlayState::Instance());
}

void MenuState::score(game* Game)
{
	Game->PushState(ScoreState::Instance());
}

void MenuState::quit(game* Game)
{
	Game->Quit();
}

# ifdef DEBUG
	void MenuState::Debug_Info(game* Game)
	{
		std::cout << "\n\n=== DEBUG INFO ===\n" << std::endl;

		std::cout << "Number of States: " << Game->CountStates() << std::endl;

		std::cout << "\n=== Debug Info ===\n\n" << endl;
	}
# endif