package org.leumasjaffe.charsheet.view.level;

import java.util.function.Consumer;
import java.util.stream.IntStream;

import javax.swing.JPanel;

import org.jdesktop.swingx.VerticalLayout;
import org.leumasjaffe.charsheet.view.skills.SkillLevelUpPanel;
import org.leumasjaffe.function.VoidVoidFunction;
import org.leumasjaffe.observer.Observable;
import org.leumasjaffe.observer.ObservableListener;
import org.leumasjaffe.observer.ObserverDispatch;

import lombok.AccessLevel;
import lombok.experimental.FieldDefaults;

import java.awt.GridBagLayout;
import javax.swing.JTabbedPane;

import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.Component;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JLabel;

@SuppressWarnings("serial")
@FieldDefaults(level=AccessLevel.PRIVATE, makeFinal=true)
class UpdateClassWithLevelPanel extends JPanel {
	@FieldDefaults(level=AccessLevel.PUBLIC, makeFinal=true)
	public class BoolArray extends Observable {
		boolean data[] = new boolean[] {false};
	}
	BoolArray readyCount = new BoolArray();
	ObservableListener<Consumer<Boolean>, BoolArray> listener;
	public UpdateClassWithLevelPanel(LevelUpClassInfo info, VoidVoidFunction back,
			Consumer<Boolean> setReady) {
		GridBagLayout gridBagLayout = new GridBagLayout();
		gridBagLayout.columnWidths = new int[]{0, 0};
		gridBagLayout.rowHeights = new int[]{0, 0, 0};
		gridBagLayout.columnWeights = new double[]{1.0, Double.MIN_VALUE};
		gridBagLayout.rowWeights = new double[]{1.0, 0.0, Double.MIN_VALUE};
		setLayout(gridBagLayout);
		
		JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.TOP);
		GridBagConstraints gbc_tabbedPane = new GridBagConstraints();
		gbc_tabbedPane.insets = new Insets(0, 0, 5, 0);
		gbc_tabbedPane.fill = GridBagConstraints.BOTH;
		gbc_tabbedPane.gridx = 0;
		gbc_tabbedPane.gridy = 0;
		add(tabbedPane, gbc_tabbedPane);
		
		JPanel features = new JPanel(new VerticalLayout(2));
		info.ddClass.getBase().getFeatures(info.toLevel).forEach(prop -> {
			features.add(new JLabel(prop.getName()));
		});
		tabbedPane.addTab("Features", null, features, null);
		
		JPanel skills = new SkillLevelUpPanel(info.ddCharacter, info.ddClass) {
			@Override public void setIsReady(boolean b) {
				readyCount.data[0] = b;
				ObserverDispatch.notifySubscribers(readyCount, null);
			}
		};
		tabbedPane.addTab("Skills", null, skills, null);
		
		JPanel panel = new JPanel();
		GridBagConstraints gbc_panel = new GridBagConstraints();
		gbc_panel.fill = GridBagConstraints.BOTH;
		gbc_panel.gridx = 0;
		gbc_panel.gridy = 1;
		add(panel, gbc_panel);
		GridBagLayout gbl_panel = new GridBagLayout();
		gbl_panel.columnWidths = new int[]{0, 0, 0};
		gbl_panel.rowHeights = new int[]{0, 0};
		gbl_panel.columnWeights = new double[]{0.0, 1.0, Double.MIN_VALUE};
		gbl_panel.rowWeights = new double[]{0.0, Double.MIN_VALUE};
		panel.setLayout(gbl_panel);
		
		JButton btnBack = new JButton("Back");
		GridBagConstraints gbc_btnBack = new GridBagConstraints();
		gbc_btnBack.insets = new Insets(0, 0, 0, 5);
		gbc_btnBack.gridx = 0;
		gbc_btnBack.gridy = 0;
		panel.add(btnBack, gbc_btnBack);
		btnBack.addActionListener(e -> back.apply());
		
		Component horizontalGlue = Box.createHorizontalGlue();
		GridBagConstraints gbc_horizontalGlue = new GridBagConstraints();
		gbc_horizontalGlue.gridx = 1;
		gbc_horizontalGlue.gridy = 0;
		panel.add(horizontalGlue, gbc_horizontalGlue);
		
		listener = new ObservableListener<>(setReady, (c, v) -> {
			c.accept(IntStream.range(0, v.data.length)
					.mapToObj(i -> v.data[i]).allMatch(b -> b));
		});
		listener.setObserved(readyCount);
	}
}