package jcgp;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.control.TabPane.TabClosingPolicy;
import javafx.scene.input.MouseDragEvent;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import jcgp.CGP.Resources;
import jcgp.gui.Console;
import jcgp.gui.SettingsPane;
import jcgp.gui.population.ChromosomePane;
import jcgp.gui.population.GUIGene;
import jcgp.gui.population.GUINode;
import jcgp.gui.population.GUIOutput;

public class GUI extends Application {
	
	public static final String NEUTRAL_COLOUR = "#FFFFFF";
	public static final String HARD_HIGHLIGHT_COLOUR = "#89AAD6";
	public static final String SOFT_HIGHLIGHT_COLOUR = "#C7DFFF";
	public static final String GOOD_SELECTION_COLOUR = "#BDFFC2";
	public static final String NEUTRAL_SELECTION_COLOUR = "#FBFFB8";
	public static final String BAD_SELECTION_COLOUR = "#FF9C9C";
	
	private static CGP cgp;
	public static Resources resources;
	
	
	private BorderPane window;
	
	private ChromosomePane[] chromosomes;
	private TabPane mainPane;
	
	private static Console console;
	private SettingsPane settings;

	public static void main(String[] args) {
		
		cgp = new CGP();
		resources = cgp.getResources();
		
		launch();
		
	}
	
	@Override
	public void start(Stage primaryStage) throws Exception {
		
		/*
		 * Instantiate the various GUI elements here. 
		 * 
		 * 
		 */
		
		mainPane = new TabPane();
		mainPane.setTabClosingPolicy(TabClosingPolicy.UNAVAILABLE);
		chromosomes = new ChromosomePane[(int) cgp.getResources().get("popSize")];
		Tab tab;
		for (int i = 0; i < chromosomes.length; i++) {
			chromosomes[i] = new ChromosomePane(cgp.getPopulation().getChromosome(i), cgp.getResources());
			tab = new Tab("Chr " + i);
			tab.setContent(chromosomes[i]);
			mainPane.getTabs().add(tab);
		}
		
		mainPane.setPrefHeight(500);
		
		window = new BorderPane();
		window.setCenter(mainPane);
				
		Scene scene = new Scene(window);
		
		primaryStage.addEventFilter(MouseDragEvent.MOUSE_DRAG_RELEASED, new EventHandler<MouseDragEvent>() {
			@Override
			public void handle(MouseDragEvent event) {
				// preemptively determine whether this event will reach a GUIGene
				// sodding Controls...
				if (event.getTarget() instanceof Node) {
					Node source = ((Node) event.getTarget());
					while (source != null) {
						if (source instanceof GUIGene) {
							return;
						}
						source = source.getParent();
					}
				}
				event.consume();
				((GUIGene) event.getGestureSource()).resetState();
				if (event.getGestureSource() instanceof GUINode) {
					((GUINode) event.getGestureSource()).updateLines();
				} else if (event.getGestureSource() instanceof GUIOutput) {
					((GUIOutput) event.getGestureSource()).updateLine();
				}
			}
		});
		
		primaryStage.setMinHeight(600);
		primaryStage.setMinWidth(800);
		
		primaryStage.setScene(scene);
		primaryStage.show();
		
		
	}

}