#include "hiscore_table.h"
#include "common/jscore.h"

const Uint8 SELF = 0;

// Constructor
HiScoreTable::HiScoreTable(SDL_Renderer *renderer, Screen *screen, Asset *asset, Lang *lang, options_t *options)
{
	// Copia los punteros
	this->renderer = renderer;
	this->screen = screen;
	this->asset = asset;
	this->lang = lang;

	// Reserva memoria para los punteros
	eventHandler = new SDL_Event();

	text = new Text(asset->get("smb2.png"), asset->get("smb2.txt"), renderer);

	// Crea un backbuffer para el renderizador
	backbuffer = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, GAME_WIDTH, GAME_HEIGHT);
	if (backbuffer == nullptr)
	{
		printf("Backbuffer could not be created!\nSDL Error: %s\n", SDL_GetError());
	}

	// Inicializa variables
	section.name = SELF;
	ticks = 0;
	ticksSpeed = 15;
	manualQuit = false;
	counter = 0;
	counterEnd = 600;
}

// Destructor
HiScoreTable::~HiScoreTable()
{
	delete eventHandler;
	delete text;

	SDL_DestroyTexture(backbuffer);
}

// Actualiza las variables
void HiScoreTable::update()
{
	// Comprueba los eventos
	checkEventHandler();

	// Actualiza las variables
	if (SDL_GetTicks() - ticks > ticksSpeed)
	{
		// Actualiza el contador de ticks
		ticks = SDL_GetTicks();

		if (mode == mhst_auto)
		{ // Modo automático
			counter++;

			if (counter == counterEnd)
			{
				section.name = PROG_SECTION_TITLE;
				section.subsection = TITLE_SECTION_1;
			}
		}
		else
		{ // Modo manual
			++counter %= 60000;

			if (manualQuit)
			{
				section.name = PROG_SECTION_TITLE;
				section.subsection = TITLE_SECTION_3;
			}
		}
	}
}

// Pinta en pantalla
void HiScoreTable::render()
{
	// Pinta en pantalla
	SDL_Rect window = {0, 0, GAME_WIDTH, GAME_HEIGHT};
	SDL_Rect srcRect = {0, 0, 16, 16};

	const color_t orangeColor = {0xFF, 0x7A, 0x00};

	// Pinta en el backbuffer el texto y los sprites
	SDL_SetRenderTarget(renderer, backbuffer);
	SDL_SetRenderDrawColor(renderer, bgColor.r, bgColor.g, bgColor.b, 255);
	SDL_RenderClear(renderer);

	// Escribe el texto
	text->writeDX(TXT_CENTER | TXT_COLOR | TXT_SHADOW, SCREEN_CENTER_X, 8, lang->getText(42), 1, orangeColor, 1, shdwTxtColor);

	int numUsers = jscore::getNumUsers();
	for (int i = 0; i < numUsers; ++i)
	{
		text->writeShadowed(0, (i * text->getCharacterSize())+20, jscore::getUserName(i),shdwTxtColor);
		text->writeShadowed(100, (i * text->getCharacterSize())+20, std::to_string(jscore::getPoints(i)),shdwTxtColor);
	}

	if ((mode == mhst_manual) && (counter % 50 > 14))
	{
		text->writeDX(TXT_CENTER | TXT_COLOR | TXT_SHADOW, SCREEN_CENTER_X, GAME_HEIGHT - 12, lang->getText(22), 1, orangeColor, 1, shdwTxtColor);
	}

	// Cambia el destino de renderizado
	SDL_SetRenderTarget(renderer, nullptr);

	// Prepara para empezar a dibujar en la textura de juego
	screen->start();

	// Limpia la pantalla
	screen->clean(bgColor);

	// Establece la ventana del backbuffer
	if (mode == mhst_auto)
	{
		window.y = std::max(8, GAME_HEIGHT - counter + 100);
	}
	else
	{
		window.y = 0;
	}

	// Copia el backbuffer al renderizador
	SDL_RenderCopy(renderer, backbuffer, nullptr, &window);

	// Vuelca el contenido del renderizador en pantalla
	screen->blit();
}

// Comprueba los eventos
void HiScoreTable::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 = PROG_SECTION_QUIT;
			break;
		}

		if ((eventHandler->type == SDL_KEYUP) || (eventHandler->type == SDL_JOYBUTTONUP))
		{
			if (mode == mhst_auto)
			{
				JA_StopMusic();
				section.name = PROG_SECTION_TITLE;
				section.subsection = TITLE_SECTION_1;
			}
			else
			{
				if (counter > 30)
				{
					manualQuit = true;
				}
			}
		}
	}
}

// Bucle para la pantalla de instrucciones
section_t HiScoreTable::run(mode_hiScoreTable_e mode)
{
	this->mode = mode;

	while (section.name == SELF)
	{
		update();
		render();
	}

	return section;
}