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package de.rpgframework.jfx.wizard;

import java.lang.System.Logger;
import java.lang.System.Logger.Level;
import java.lang.reflect.Method;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
import java.util.stream.Collectors;

import org.prelle.javafx.JavaFXConstants;

import de.rpgframework.ResourceI18N;
import de.rpgframework.genericrpg.chargen.CharacterController;
import de.rpgframework.genericrpg.chargen.Rule;
import de.rpgframework.genericrpg.chargen.RuleValue;
import de.rpgframework.jfx.RPGFrameworkJFXConstants;
import de.rpgframework.jfx.RPGFrameworkJavaFX;
import javafx.geometry.Insets;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ChoiceBox;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Priority;
import javafx.scene.layout.VBox;
import javafx.util.StringConverter;

/**
 * @author prelle
 *
 */
public class RuleChoiceBox extends VBox {

	private final static PropertyResourceBundle RES = (PropertyResourceBundle) ResourceBundle.getBundle(RPGFrameworkJFXConstants.class.getName());

	private final static Logger logger = RPGFrameworkJavaFX.logger;

	private List allowedCategories;
	private Label heading;
	private GridPane grid;

	//-------------------------------------------------------------------
	public RuleChoiceBox(Rule.EffectOn ...allowed) {
		allowedCategories = List.of(allowed);
		heading = new Label(ResourceI18N.get(RES, "label.ruledetails"));
		heading.setStyle("-fx-underline: true");
		heading.getStyleClass().add(JavaFXConstants.STYLE_HEADING4);

		grid = new GridPane();
		grid.setVgap(5);
		ScrollPane scroll = new ScrollPane(grid);
		scroll.setMaxHeight(Double.MAX_VALUE);
		scroll.setFitToWidth(true);
		getChildren().addAll(heading, scroll);
		VBox.setVgrow(scroll, Priority.ALWAYS);
	}

	//-------------------------------------------------------------------
	public void setData(CharacterController ctrl)  {
		logger.log(Level.WARNING, "RuleController of "+ctrl.getClass()+" is "+ctrl.getRuleController());
		List values = ctrl.getRuleController().getValues();
		// Sort rules
		values = values.stream()
			.filter(r -> allowedCategories.contains( r.getRule().getAffected()))
			.sorted(new Comparator() {
				public int compare(RuleValue o1, RuleValue o2) {
					int cmp = Integer.compare(o1.getRule().getAffected().ordinal(), o2.getRule().getAffected().ordinal());
					return cmp;
//					if (cmp!=0) return cmp;
//					return o1.getRule().getName(Locale.getDefault()).compareTo(o2.getRule().getName(Locale.getDefault()));
				}
			})
			.collect(Collectors.toList());

		grid.getChildren().clear();
		Rule.EffectOn lastCategory = null;
		int i=-1;
		for (RuleValue rVal : values) {
			logger.log(Level.DEBUG, "  rule {0}",rVal);
			i++;
			if (rVal.getRule().getAffected()!=lastCategory) {
				Label heading = new Label(rVal.getRule().getAffected().getName());
				heading.getStyleClass().add(JavaFXConstants.STYLE_HEADING5);
				GridPane.setMargin(heading, new Insets(5, 0, 0, 0));
				grid.add(heading, 0,i, 2,1);
				i++;
				lastCategory = rVal.getRule().getAffected();
			}
			Rule rule = rVal.getRule();
			Label lbName = new Label(rule.getName(Locale.getDefault()));
			lbName.setWrapText(true);
			grid.add(lbName, 0,i);

			if (!rVal.isEditable()) {
				Label lbLock = new Label("\uD83D\uDD12");
				lbLock.setStyle("-fx-min-width: 1em");
				grid.add(lbLock, 1,i);
			}

			switch (rule.getType()) {
			case BOOLEAN:
				CheckBox check = new CheckBox();
				check.setDisable(!rVal.isEditable());
				check.setSelected((boolean)rVal.getValue());
				grid.add(check, 2,i);
				check.selectedProperty().addListener( (ov,o,n) -> {
					logger.log(Level.INFO, "Rule "+rVal+" changed to "+n);
					ctrl.getRuleController().set(rule, String.valueOf(n));
					ctrl.runProcessors();
				});
				break;
			case INTEGER:
			case FLOAT:
				TextField intField = new TextField(String.valueOf(rVal.getValue()));
				intField.setUserData(rule);
				intField.setPrefColumnCount(4);
				intField.setStyle("-fx-min-width: 3.5em; -fx-max-width: 6em");
				intField.setEditable(rVal.isEditable());
				grid.add(intField, 2,i);
				intField.textProperty().addListener( (ov,o,n) -> {
					logger.log(Level.INFO, "Rule "+rVal+" changed to "+n);
					ctrl.getRuleController().set(rule, String.valueOf(n));
					ctrl.runProcessors();
				});
				break;
			case ENUM:
				ChoiceBox