package test;


import java.util.Iterator;
import java.util.List;

import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.FontSmoothingType;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class FontsTest extends Application {

	private Logger logger=LoggerFactory.getLogger(this.getClass());

	private static final String FONT_SMOOTHING_TYPE ="(s) Text Font Smoothing Type: ";
	private static final String FONT_WEIGHT ="(w) Text Font Weight: ";
	
	private double fontSize=12;
	private String stringText="abcdefghijklmnñopqrstuvwxyzABCDEFGHIJKLMNÑOPQRSTUVWXYZ1234567890+-*!.;_";
	private VBox textBox=new VBox();
	private FontSmoothingType fontSmoothingType=FontSmoothingType.GRAY;
	private FontWeight fontWeight=FontWeight.THIN;
	private SimpleStringProperty fontSmoothingTypeName=new SimpleStringProperty();
	private SimpleStringProperty fontWeightName=new SimpleStringProperty();
	
	@Override
	public void start(Stage primaryStage) {		
		
		Group root=new Group();

		Scene scene = new Scene(root,2000,1500);
		scene.setFill(Color.BLACK);
		
		fontWeightName.set(FONT_WEIGHT+fontWeight.name());
		fontSmoothingTypeName.set(FONT_SMOOTHING_TYPE+fontSmoothingType.name());
		
		VBox notifications=new VBox();
		notifications.setLayoutX(10);
		notifications.setLayoutY(20);
		root.getChildren().add(notifications);
		
		Text textFontSmoothingType=new Text();
		textFontSmoothingType.textProperty().bind(fontSmoothingTypeName);
		textFontSmoothingType.setFill(Color.WHITE);	

		notifications.getChildren().add(textFontSmoothingType);
		
		Text textFontWeight=new Text();
		textFontWeight.textProperty().bind(fontWeightName);
		textFontWeight.setFill(Color.WHITE);	

		notifications.getChildren().add(textFontWeight);
		
		
		textBox.setPrefHeight(1300);
		textBox.setMaxHeight(1300);
		
		
		ScrollPane scrollPane=new ScrollPane();
		scrollPane.setStyle("-fx-background-color: TRANSPARENT;");
		scrollPane.setPrefSize(1800, 1300);
		scrollPane.setLayoutX(75);
		scrollPane.setLayoutY(75);
		scrollPane.setVmax(1300);
		scrollPane.setContent(textBox);		
		
		getFonts();	
		
		root.getChildren().add(scrollPane);			
		
		primaryStage.setScene(scene);		
		primaryStage.show();
		
		
		scene.setOnKeyPressed(new EventHandler<KeyEvent>() {
		    public void handle(KeyEvent ke) {		        
		        String keyPressed=ke.getText() ;
		    	logger.info("Key typed: "+keyPressed);
		        if("+".equals(keyPressed)){
		        	fontSize=fontSize+1;
		        }
		        else if("-".equals(keyPressed)){
		        	fontSize=fontSize-1;		        	
		        }
		        else if("s".equals(keyPressed)){
		        	if(FontSmoothingType.GRAY.equals(fontSmoothingType)){
		        		fontSmoothingType=FontSmoothingType.LCD;
		        	}else{
		        		fontSmoothingType=FontSmoothingType.GRAY;
		        	}
		        	fontSmoothingTypeName.set(FONT_SMOOTHING_TYPE+fontSmoothingType.name());
		        }
		        logger.info("Font size: "+fontSize);
		        logger.info("Font Weight: "+fontWeight.name());
		        textBox.getChildren().clear();
	        	getFonts();	
		    }
		});
	}
	
	private void changeFontWeight(){
//    	BLACK
//    	represents Black font weight (900).
//    	BOLD
//    	represents Bold font weight (700).
//    	EXTRA_BOLD
//    	represents 'Extra Bold' font weight (800).
//    	EXTRA_LIGHT
//    	represents 'Extra Light' font weight (200).
//    	LIGHT
//    	represents Light font weight (300).
//    	MEDIUM
//    	represents Medium font weight (500).
//    	NORMAL
//    	represents Normal font weight (400).
//    	SEMI_BOLD
//    	represents 'Demi Bold' font weight (600).
//    	THIN
//    	represents Thin font weight (100).
    	
    	if(FontWeight.THIN.equals(fontWeight)){
    		fontWeight=FontWeight.EXTRA_LIGHT;
    	}		   
    	else if(FontWeight.EXTRA_LIGHT.equals(fontWeight)){
    		fontWeight=FontWeight.LIGHT;
    	}
    	else if(FontWeight.LIGHT.equals(fontWeight)){
    		fontWeight=FontWeight.NORMAL;
    	}
    	else if(FontWeight.NORMAL.equals(fontWeight)){
    		fontWeight=FontWeight.MEDIUM;
    	}
    	else if(FontWeight.MEDIUM.equals(fontWeight)){
    		fontWeight=FontWeight.SEMI_BOLD;
    	}
    	else if(FontWeight.SEMI_BOLD.equals(fontWeight)){
    		fontWeight=FontWeight.BOLD;
    	}
    	else if(FontWeight.BOLD.equals(fontWeight)){
    		fontWeight=FontWeight.EXTRA_BOLD;
    	}
    	else if(FontWeight.EXTRA_BOLD.equals(fontWeight)){
    		fontWeight=FontWeight.BLACK;
    	}
    	else if(FontWeight.BLACK.equals(fontWeight)){
    		fontWeight=FontWeight.THIN;
    	}	
	}

	private void getFonts() {
		List<String> systemFonts=Font.getFamilies();
		for (Iterator iteratorFonts = systemFonts.iterator(); iteratorFonts.hasNext();) {
			String fontName = (String) iteratorFonts.next();
			boolean endWeight=false;
			while (!endWeight){				
				if(FontWeight.BLACK.equals(fontWeight)){
					endWeight=true;
				}
				Font font=Font.font(fontName,fontWeight,fontSize);
				
				Text text=new Text();
				
				text.setFont(font);
				text.setText("Text: "+stringText+" Font Family: "+text.getFont().getFamily()+" Font Size: "+text.getFont().getSize()+" Font Style:"+text.getStyle()+" Font Weight: "+fontWeight.name());
				text.setFill(Color.WHITE);
				text.setFontSmoothingType(fontSmoothingType);
				textBox.getChildren().add(text);			
				
				Label label=new Label();
			
				label.setFont(font);
				label.setText("Label: "+stringText+" Font Family: "+label.getFont().getFamily()+" Font Size: "+label.getFont().getSize()+" Font Style:"+label.getFont().getStyle());
				label.setTextFill(Color.WHITE);
				textBox.getChildren().add(label);
				changeFontWeight();
			}			
			textBox.getChildren().add(new Text());
		}
		
	}

	public static void main(String[] args) {
		launch(args);
	}
}