#include "demo.h"

// Constructor
Demo::Demo(SDL_Renderer *renderer, Screen *screen, Resource *resource, Asset *asset, options_t *options, Debug *debug)
{
	// Inicia algunas variables
	board.iniClock = SDL_GetTicks();
	rooms.push_back("03.room");
	rooms.push_back("54.room");
	rooms.push_back("16.room");
	rooms.push_back("45.room");
	rooms.push_back("60.room");
	rooms.push_back("58.room");

	//rooms.push_back("01.room");
	//rooms.push_back("02.room");
	//rooms.push_back("03.room");
	//rooms.push_back("04.room");
	//rooms.push_back("05.room");
	//rooms.push_back("06.room");
	//rooms.push_back("07.room");
	//rooms.push_back("08.room");
	//rooms.push_back("09.room");
	//rooms.push_back("10.room");
	//rooms.push_back("11.room");
	//rooms.push_back("12.room");
	//rooms.push_back("13.room");
	//rooms.push_back("14.room");
	//rooms.push_back("15.room");
	//rooms.push_back("16.room");
	//rooms.push_back("17.room");
	//rooms.push_back("18.room");
	//rooms.push_back("19.room");
	//rooms.push_back("20.room");
	//rooms.push_back("21.room");
	//rooms.push_back("22.room");
	//rooms.push_back("23.room");
	//rooms.push_back("24.room");
	//rooms.push_back("25.room");
	//rooms.push_back("26.room");
	//rooms.push_back("27.room");
	//rooms.push_back("28.room");
	//rooms.push_back("29.room");
	//rooms.push_back("30.room");
	//rooms.push_back("31.room");
	//rooms.push_back("32.room");
	//rooms.push_back("33.room");
	//rooms.push_back("34.room");
	//rooms.push_back("35.room");
	//rooms.push_back("36.room");
	//rooms.push_back("37.room");
	//rooms.push_back("38.room");
	//rooms.push_back("39.room");
	//rooms.push_back("40.room");
	//rooms.push_back("41.room");
	//rooms.push_back("42.room");
	//rooms.push_back("43.room");
	//rooms.push_back("44.room");
	//rooms.push_back("45.room");
	//rooms.push_back("46.room");
	//rooms.push_back("47.room");
	//rooms.push_back("48.room");
	//rooms.push_back("49.room");
	//rooms.push_back("50.room");
	//rooms.push_back("51.room");
	//rooms.push_back("52.room");
	//rooms.push_back("53.room");
	//rooms.push_back("54.room");
	//rooms.push_back("55.room");
	//rooms.push_back("56.room");
	//rooms.push_back("57.room");
	//rooms.push_back("58.room");
	//rooms.push_back("59.room");
	//rooms.push_back("60.room");

	roomIndex = 0;
	currentRoom = rooms.at(roomIndex);

	// Copia los punteros
	this->resource = resource;
	this->renderer = renderer;
	this->asset = asset;
	this->screen = screen;
	this->debug = debug;
	this->options = options;

	// Crea los objetos
	itemTracker = new ItemTracker();
	scoreboard = new ScoreBoard(renderer, resource, asset, options, &board);
	room = new Room(resource->getRoom(currentRoom), renderer, screen, asset, options, itemTracker, &board.items, debug);
	eventHandler = new SDL_Event();
	text = new Text(resource->getOffset("smb2.txt"), resource->getTexture("smb2.png"), renderer);

	// Inicializa el resto de variables
	counter = 0;
	roomTime = 400;
	roomTime = 200;
	ticks = 0;
	ticksSpeed = 15;
	board.lives = 9;
	board.items = 0;
	board.rooms = 1;
	const color_t c = room->getBorderColor();
	board.color = (c.r + c.g + c.b == 0) ? stringToColor(options->palette, "white") : c; // Si el color es negro lo cambia a blanco

	board.music = !debug->getEnabled();

	section.name = SECTION_PROG_DEMO;
	section.subsection = 0;
}

Demo::~Demo()
{
	// Libera la memoria de los objetos
	delete itemTracker;
	delete scoreboard;
	delete room;
	delete eventHandler;
	delete text;
}

// Comprueba los eventos de la cola
void Demo::checkEventHandler()
{
	// Comprueba los eventos que hay en la cola
	while (SDL_PollEvent(eventHandler) != 0)
	{
		// Evento de salida de la aplicación
		if (eventHandler->type == SDL_QUIT)
		{
			section.name = SECTION_PROG_QUIT;
			screen->setBorderColor(stringToColor(options->palette, "black"));
			break;
		}

		// Comprueba las teclas que se han pulsado
		if ((eventHandler->type == SDL_KEYDOWN && eventHandler->key.repeat == 0) || (eventHandler->type == SDL_JOYBUTTONDOWN))
		{
			switch (eventHandler->key.keysym.scancode)
			{
			case SDL_SCANCODE_ESCAPE:
				section.name = SECTION_PROG_QUIT;
				break;

			case SDL_SCANCODE_B:
				screen->switchBorder();
				resource->reLoadTextures();
				break;

			case SDL_SCANCODE_F:
				screen->switchVideoMode();
				resource->reLoadTextures();
				break;

			case SDL_SCANCODE_F1:
				screen->setWindowSize(1);
				resource->reLoadTextures();
				break;

			case SDL_SCANCODE_F2:
				screen->setWindowSize(2);
				resource->reLoadTextures();
				break;

			case SDL_SCANCODE_F3:
				screen->setWindowSize(3);
				resource->reLoadTextures();
				break;

			case SDL_SCANCODE_F4:
				screen->setWindowSize(4);
				resource->reLoadTextures();
				break;

			case SDL_SCANCODE_F5:
				switchPalette();
				break;

			default:
				section.name = SECTION_PROG_TITLE;
				section.subsection = 0;
				break;
			}
		}
	}
}

// Bucle para el juego
section_t Demo::run()
{
	while (section.name == SECTION_PROG_DEMO)
	{
		update();
		render();
	}

	return section;
}

// Actualiza el juego, las variables, comprueba la entrada, etc.
void Demo::update()
{
	// Comprueba que la diferencia de ticks sea mayor a la velocidad del juego
	if (SDL_GetTicks() - ticks > ticksSpeed)
	{
		// Actualiza el contador de ticks
		ticks = SDL_GetTicks();

		// Comprueba los eventos de la cola
		checkEventHandler();

		// Actualiza los objetos
		room->update();
		scoreboard->update();
		screen->updateFX();
		checkRoomChange();
	}
}

// Pinta los objetos en pantalla
void Demo::render()
{
	// Prepara para dibujar el frame
	screen->start();
	screen->clean(room->getBGColor());

	room->renderMap();
	room->renderEnemies();
	room->renderItems();
	renderRoomName();
	scoreboard->render();
	screen->renderFX();

	// Actualiza la pantalla
	screen->blit();
}

// Escribe el nombre de la pantalla
void Demo::renderRoomName()
{
	// Texto en el centro de la pantalla
	SDL_Rect rect = {0, 16 * BLOCK, PLAY_AREA_WIDTH, BLOCK * 2};
	color_t color = stringToColor(options->palette, "white");
	SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, 0xFF);
	SDL_RenderFillRect(renderer, &rect);

	text->writeDX(TXT_CENTER | TXT_COLOR, GAMECANVAS_CENTER_X, 16 * 8 + 4, room->getName(), 1, room->getBGColor());
}

// Recarga todas las texturas
void Demo::reLoadTextures()
{
	room->reLoadTexture();
	scoreboard->reLoadTexture();
	text->reLoadTexture();
}

// Cambia la paleta
void Demo::switchPalette()
{
	// Modifica la variable
	if (options->palette == p_zxspectrum)
	{
		options->palette = p_zxarne;
	}
	else
	{
		options->palette = p_zxspectrum;
	}

	room->reLoadPalette();
	scoreboard->reLoadPalette();

	const color_t c = room->getBorderColor();
	board.color = (c.r + c.g + c.b == 0) ? stringToColor(options->palette, "white") : c; // Si el color es negro lo cambia a blanco
}

// Cambia de habitación
bool Demo::changeRoom(std::string file)
{
	// En las habitaciones los limites tienen la cadena del fichero o un 0 en caso de no limitar con nada
	if (file != "0")
		// Verifica que exista el fichero que se va a cargar
		if (asset->get(file) != "")
		{
			// Elimina la habitación actual
			delete room;
			room = nullptr;

			// Crea un objeto habitación nuevo a partir del fichero
			room = new Room(resource->getRoom(file), renderer, screen, asset, options, itemTracker, &board.items, debug);

			// Actualiza el marcador
			const color_t c = room->getBorderColor();											 // Pone el color del marcador
			board.color = (c.r + c.g + c.b == 0) ? stringToColor(options->palette, "white") : c; // Si el color es negro lo cambia a blanco

			return true;
		}

	return false;
}

// Comprueba si se ha de cambiar de habitación
void Demo::checkRoomChange()
{
	counter++;
	if (counter == roomTime)
	{
		counter = 0;
		roomIndex++;
		if (roomIndex == (int)rooms.size())
		{
			section.name = SECTION_PROG_LOGO;
			section.subsection = SUBSECTION_LOGO_TO_TITLE;
		}
		else
		{
			changeRoom(rooms.at(roomIndex));
		}
	}
}