package me.hammerle.snuviengine.game;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Random;
import me.hammerle.snuviengine.api.Engine;
import me.hammerle.snuviengine.api.KeyBinding;
import me.hammerle.snuviengine.api.KeyHandler;
import me.hammerle.snuviengine.api.Shader;
import me.hammerle.snuviengine.api.Texture;
import me.hammerle.snuviengine.api.TextureRenderer;
import me.hammerle.snuviengine.util.Clock;
import me.hammerle.snuviengine.util.WrappedInputStream;
import static org.lwjgl.glfw.GLFW.*;

public class Game extends Engine
{
    public final static KeyBinding UP = KeyHandler.register(GLFW_KEY_UP);
    public final static KeyBinding DOWN = KeyHandler.register(GLFW_KEY_DOWN);
    public final static KeyBinding LEFT = KeyHandler.register(GLFW_KEY_LEFT);
    public final static KeyBinding RIGHT = KeyHandler.register(GLFW_KEY_RIGHT);
    
    public final static KeyBinding KEY_F = KeyHandler.register(GLFW_KEY_F);
    private boolean toogleFps = false;
    public final static KeyBinding KEY_T = KeyHandler.register(GLFW_KEY_T);
    private boolean toogleTps = false;
    
    private final TextureRenderer tr = new TextureRenderer();
    
    public BoxList entities = new BoxList(0.0, 0.0, 400.0, 300.0, 1.0);
    
    private World w;
    
    public Game()
    {
        /*Random r = new Random(200);
        for(int i = 0; i < 128; i++)
        {
            Entity ent = new Entity(this, 5.0, 5.0);
            ent.setPosition((int) (r.nextDouble() * 400.0), (int) (r.nextDouble() * 300));
            ent.node = entities.add(ent);
        }*/
        
        Hero hero = new Hero(this, 25.0, 25.0);
        hero.setPosition(0.0, 0.0);
        hero.node = entities.add(hero);
        
        w = new World(hero);
        try
        {
            w.read(new WrappedInputStream(new FileInputStream("./testworld")));
        }
        catch(IOException ex)
        {
            ex.printStackTrace();
        }
    }
    
    @Override
    public void init()
    {
        setNanosPerTick(50_000_000);
        setMaxFps(120);
    }

    @Override
    public void tick()
    {        
        w.tick();
        /*CLOCK.start();
        entities.forEach(ent -> ent.tick());
        CLOCK.stop();
        CLOCK.calculate();
        
        if(KEY_F.getTime() == 1)
        {
            toogleFps = !toogleFps;
            setRenderFps(toogleFps);
        }
        if(KEY_T.getTime() == 1)
        {
            toogleTps = !toogleTps;
            setRenderTps(toogleTps);
        }*/
    }
    
    private static final Clock CLOCK = new Clock(250);
    
    @Override
    public void renderTick(float lag)
    {
        w.renderTick(lag);
        /*Shader.setTextureEnabled(false);
        Shader.setColorEnabled(true);
        Shader.getColorRenderer().drawRectangle(0, 299, 400, 300, 0xFFFFFFFF);
        entities.forEach(ent -> ent.renderTick(lag));*/
        
        Shader.setTextureEnabled(true);
        Shader.setColorEnabled(true);
        Shader.translateTo(0.0f, 0.0f);
        Shader.updateMatrix();
        float y = 5;
        y = Shader.getFontRenderer().drawString(5, y, true, "FPS " + String.format("%.1f", getFps()));
        y = Shader.getFontRenderer().drawString(5, y, true, "TPS " + String.format("%.1f", getTps()));
        y = Shader.getFontRenderer().drawString(5, y, true, String.valueOf(CLOCK.getTime()));
        y = Shader.getFontRenderer().drawString(5, y, true, String.valueOf(CLOCK.getMinTime()));
    }
}