#include "notify.h"
#include <string>
#include <stdio.h>

// Constructor
Notify::Notify(SDL_Renderer *renderer, std::string bitmapFile, std::string textFile)
{
    // Inicializa variables
    this->renderer = renderer;
    bgColor = {32, 32, 32};

    // Crea objetos
    text = new Text(bitmapFile, textFile, renderer);
}

// Destructor
Notify::~Notify()
{
    // Libera la memoria de los objetos
    delete text;

    for (auto notification : notifications)
    {
        delete notification.sprite;
        delete notification.texture;
    }
}

// Dibuja las notificaciones por pantalla
void Notify::render()
{
    for (int i = 0; i < (int)notifications.size(); ++i)
    {
        notifications.at(i).sprite->render();
    }
}

// Actualiza el estado de las notificaiones
void Notify::update()
{
    for (int i = 0; i < (int)notifications.size(); ++i)
    {
        notifications.at(i).counter++;
    }

    clearFinishedNotifications();
}

// Elimina las notificaciones finalizadas
void Notify::clearFinishedNotifications()
{
    for (int i = (int)notifications.size() - 1; i >= 0; --i)
    {
        if (notifications.at(i).counter >= 300)
        {
            delete notifications.at(i).sprite;
            delete notifications.at(i).texture;
            notifications.erase(notifications.begin() + i);
        }
    }
}

// Muestra una notificación de texto por pantalla;
void Notify::showText(std::string text)
{
    // Crea constantes
    const int width = this->text->lenght(text) + (this->text->getCharacterSize() * 2);
    const int height = this->text->getCharacterSize() * 2;
    const int desp = this->text->getCharacterSize();

    // Crea la notificacion
    notification_t n;

    // inicializa variables
    n.counter = 0;
    n.state = ns_rising;
    n.text = text;

    // Crea la textura
    n.texture = new Texture(renderer);
    n.texture->createBlank(renderer, width, height, SDL_TEXTUREACCESS_TARGET);
    n.texture->setAsRenderTarget(renderer);
    n.texture->setBlendMode(SDL_BLENDMODE_BLEND);
    this->text->writeDX(TXT_CENTER | TXT_STROKE, desp, desp / 2, text, 1, {255, 255, 255}, 1, {0, 0, 0});

    // Crea el sprite
    n.sprite = new Sprite({0, 0, width, height}, n.texture, renderer);

    // Añade la notificación a la lista
    notifications.push_back(n);
}