package utils.managers;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Set;
import java.util.regex.Pattern;

import utils.scene.Sprite;

import com.jme.image.Texture;
import com.jme.math.Vector2f;
import com.jme.renderer.Renderer;
import com.jme.util.TextureManager;

public class TextureLoader
{
	private HashMap<String, String> textureInfo = new HashMap<String, String>();
	private Renderer renderer;
	
	
	public TextureLoader(String fileLocation, Renderer ren)
	{
		BufferedReader reader = null;
		Pattern pat = null;
		final String tokenLoc = ",";
		String[] split = null;
		
		this.renderer = ren;
		
		try
		{
			reader = new BufferedReader(new FileReader(fileLocation));
			
			String output = reader.readLine();
			
			while(output != null)
			{
				pat = Pattern.compile(tokenLoc);
				split = pat.split(output);
				textureInfo.put(split[1], split[0]);
				
				output = reader.readLine();
			}
			
			reader.close();
		}
		catch (FileNotFoundException e)
		{
			e.printStackTrace();
		}
		catch (IOException e)
		{
			e.printStackTrace();
		}
	}
	

	public Set<String> getTextureNames()
	{
		return this.textureInfo.keySet();
	}
	
	public Sprite getSprite(String name)
	{
		if(!textureInfo.containsKey(name))
		{
			return null;
		}
		else
		{
			String location = textureInfo.get(name);
			
			return new Sprite
			(
					TextureManager.loadTexture
					(
							location,
							Texture.MM_LINEAR_LINEAR,
							Texture.MM_LINEAR_LINEAR
					),
					renderer.createTextureState(),
					new Vector2f(0, 0),
					new Vector2f(1, 1)
			);
		}
	}
	
}