package org.leumasjaffe.charsheet.view.summary;

import javax.swing.JPanel;
import java.awt.GridBagLayout;
import javax.swing.JLabel;
import java.awt.GridBagConstraints;
import java.awt.Color;
import javax.swing.border.LineBorder;

import org.leumasjaffe.charsheet.model.Ability;
import org.leumasjaffe.charsheet.model.DDCharacter;
import org.leumasjaffe.charsheet.observer.helper.AbilModStringify;
import org.leumasjaffe.format.StringHelper;
import org.leumasjaffe.graphics.NumberTextField;
import org.leumasjaffe.observer.IndirectObservableListener;
import org.leumasjaffe.observer.ObservableListener;
import org.leumasjaffe.observer.ObserverDispatch;

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

import java.awt.Font;
import javax.swing.SwingConstants;
import java.awt.Dimension;
import javax.swing.JTextField;
import java.awt.Insets;
import java.util.function.Function;

import javax.swing.JFormattedTextField;

@FieldDefaults(level=AccessLevel.PRIVATE, makeFinal=true)
public class ResistanceLine extends JPanel {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	Function<Ability, Ability.Scores> access;
	
	IndirectObservableListener<JTextField, DDCharacter> totalObserver;
	IndirectObservableListener<JTextField, DDCharacter> baseObserver;
	ObservableListener<JTextField, Ability.Scores> abilObserver;
	
	public ResistanceLine(final String name, Function<DDCharacter, Integer> save, 
			Function<Ability, Ability.Scores> func) {
		this.access = func;
		
		setMinimumSize(new Dimension(400, 25));
		setMaximumSize(new Dimension(400, 25));
		setPreferredSize(new Dimension(400, 25));
		setOpaque(false);
		GridBagLayout gridBagLayout = new GridBagLayout();
		gridBagLayout.columnWidths = new int[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
		gridBagLayout.rowHeights = new int[]{0, 0};
		gridBagLayout.columnWeights = new double[]{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE};
		gridBagLayout.rowWeights = new double[]{0.0, Double.MIN_VALUE};
		setLayout(gridBagLayout);
		
		JLabel label = new JLabel(name.toUpperCase());
		label.setPreferredSize(new Dimension(120, 25));
		label.setOpaque(true);
		label.setMinimumSize(new Dimension(120, 25));
		label.setMaximumSize(new Dimension(120, 25));
		label.setHorizontalAlignment(SwingConstants.CENTER);
		label.setForeground(Color.WHITE);
		label.setFont(new Font("Tahoma", Font.BOLD, 18));
		label.setBorder(new LineBorder(Color.WHITE));
		label.setBackground(Color.BLACK);
		GridBagConstraints gbc_label = new GridBagConstraints();
		gbc_label.fill = GridBagConstraints.HORIZONTAL;
		gbc_label.insets = new Insets(0, 0, 0, 3);
		gbc_label.gridx = 0;
		gbc_label.gridy = 0;
		add(label, gbc_label);
		
		JTextField totalField = new JTextField();
		totalField.setToolTipText("Saving Throw");
		totalField.setPreferredSize(new Dimension(30, 20));
		totalField.setMinimumSize(new Dimension(30, 20));
		totalField.setMaximumSize(new Dimension(30, 20));
		totalField.setHorizontalAlignment(SwingConstants.CENTER);
		totalField.setEditable(false);
		totalField.setColumns(3);
		totalField.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_total = new GridBagConstraints();
		gbc_total.insets = new Insets(0, 0, 0, 3);
		gbc_total.fill = GridBagConstraints.HORIZONTAL;
		gbc_total.gridx = 1;
		gbc_total.gridy = 0;
		add(totalField, gbc_total);
		
		JLabel label_1 = new JLabel("=");
		GridBagConstraints gbc_label_1 = new GridBagConstraints();
		gbc_label_1.anchor = GridBagConstraints.EAST;
		gbc_label_1.insets = new Insets(0, 0, 0, 3);
		gbc_label_1.gridx = 2;
		gbc_label_1.gridy = 0;
		add(label_1, gbc_label_1);
		
		JFormattedTextField baseSaveField = new NumberTextField();
		baseSaveField.setEditable(false);
		baseSaveField.setToolTipText("Base Save");
		baseSaveField.setPreferredSize(new Dimension(30, 20));
		baseSaveField.setMinimumSize(new Dimension(30, 20));
		baseSaveField.setMaximumSize(new Dimension(30, 20));
		baseSaveField.setHorizontalAlignment(SwingConstants.CENTER);
		baseSaveField.setColumns(3);
		baseSaveField.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_baseSave = new GridBagConstraints();
		gbc_baseSave.insets = new Insets(0, 0, 0, 3);
		gbc_baseSave.fill = GridBagConstraints.HORIZONTAL;
		gbc_baseSave.gridx = 3;
		gbc_baseSave.gridy = 0;
		add(baseSaveField, gbc_baseSave);
		
		JLabel label_2 = new JLabel("+");
		GridBagConstraints gbc_label_2 = new GridBagConstraints();
		gbc_label_2.insets = new Insets(0, 0, 0, 3);
		gbc_label_2.anchor = GridBagConstraints.EAST;
		gbc_label_2.gridx = 4;
		gbc_label_2.gridy = 0;
		add(label_2, gbc_label_2);
		
		JTextField abilityField = new JTextField();
		abilityField.setToolTipText("Ability Modifier");
		abilityField.setPreferredSize(new Dimension(30, 20));
		abilityField.setMinimumSize(new Dimension(30, 20));
		abilityField.setMaximumSize(new Dimension(30, 20));
		abilityField.setHorizontalAlignment(SwingConstants.CENTER);
		abilityField.setEditable(false);
		abilityField.setColumns(3);
		abilityField.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_ability = new GridBagConstraints();
		gbc_ability.insets = new Insets(0, 0, 0, 3);
		gbc_ability.fill = GridBagConstraints.HORIZONTAL;
		gbc_ability.gridx = 5;
		gbc_ability.gridy = 0;
		add(abilityField, gbc_ability);
		
		JLabel label_3 = new JLabel("+");
		GridBagConstraints gbc_label_3 = new GridBagConstraints();
		gbc_label_3.anchor = GridBagConstraints.EAST;
		gbc_label_3.insets = new Insets(0, 0, 0, 3);
		gbc_label_3.gridx = 6;
		gbc_label_3.gridy = 0;
		add(label_3, gbc_label_3);
		
		JFormattedTextField magicField = new NumberTextField();
		magicField.setToolTipText("Magic Modifier");
		magicField.setPreferredSize(new Dimension(30, 20));
		magicField.setMinimumSize(new Dimension(30, 20));
		magicField.setMaximumSize(new Dimension(30, 20));
		magicField.setHorizontalAlignment(SwingConstants.CENTER);
		magicField.setColumns(3);
		magicField.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_magic = new GridBagConstraints();
		gbc_magic.insets = new Insets(0, 0, 0, 3);
		gbc_magic.fill = GridBagConstraints.HORIZONTAL;
		gbc_magic.gridx = 7;
		gbc_magic.gridy = 0;
		add(magicField, gbc_magic);
		
		JLabel label_4 = new JLabel("+");
		GridBagConstraints gbc_label_4 = new GridBagConstraints();
		gbc_label_4.anchor = GridBagConstraints.EAST;
		gbc_label_4.insets = new Insets(0, 0, 0, 3);
		gbc_label_4.gridx = 8;
		gbc_label_4.gridy = 0;
		add(label_4, gbc_label_4);
		
		JFormattedTextField miscField = new NumberTextField();
		miscField.setToolTipText("Miscellaneous Modifier");
		miscField.setPreferredSize(new Dimension(30, 20));
		miscField.setMinimumSize(new Dimension(30, 20));
		miscField.setMaximumSize(new Dimension(30, 20));
		miscField.setHorizontalAlignment(SwingConstants.CENTER);
		miscField.setColumns(3);
		miscField.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_misc = new GridBagConstraints();
		gbc_misc.insets = new Insets(0, 0, 0, 3);
		gbc_misc.fill = GridBagConstraints.HORIZONTAL;
		gbc_misc.gridx = 9;
		gbc_misc.gridy = 0;
		add(miscField, gbc_misc);
		
		JLabel label_5 = new JLabel("+");
		GridBagConstraints gbc_label_5 = new GridBagConstraints();
		gbc_label_5.insets = new Insets(0, 0, 0, 3);
		gbc_label_5.anchor = GridBagConstraints.EAST;
		gbc_label_5.gridx = 10;
		gbc_label_5.gridy = 0;
		add(label_5, gbc_label_5);
		
		JPanel panel = new JPanel();
		panel.setBackground(Color.LIGHT_GRAY);
		panel.setPreferredSize(new Dimension(45, 25));
		GridBagConstraints gbc_panel = new GridBagConstraints();
		gbc_panel.fill = GridBagConstraints.BOTH;
		gbc_panel.gridx = 11;
		gbc_panel.gridy = 0;
		add(panel, gbc_panel);
		GridBagLayout gbl_panel = new GridBagLayout();
		gbl_panel.columnWidths = new int[]{0, 0};
		gbl_panel.rowHeights = new int[]{0, 0};
		gbl_panel.columnWeights = new double[]{0.0, Double.MIN_VALUE};
		gbl_panel.rowWeights = new double[]{0.0, Double.MIN_VALUE};
		panel.setLayout(gbl_panel);
		
		NumberTextField tempField = new NumberTextField();
		tempField.setToolTipText("Temporary Modifier");
		tempField.setPreferredSize(new Dimension(30, 20));
		tempField.setMinimumSize(new Dimension(30, 20));
		tempField.setMaximumSize(new Dimension(30, 20));
		tempField.setHorizontalAlignment(SwingConstants.CENTER);
		tempField.setColumns(3);
		tempField.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_temp = new GridBagConstraints();
		gbc_temp.insets = new Insets(3, 3, 0, 3);
		gbc_temp.gridx = 0;
		gbc_temp.gridy = 0;
		panel.add(tempField, gbc_temp);
		
		totalObserver = new IndirectObservableListener<>(totalField,
				(c, v) -> {
					final int base = save.apply(v);
					final int abil = access.apply(v.getAbilities()).modifier();
					final int magic = 0;
					final int misc = 0;
					final int temp = 0;
					c.setText(StringHelper.toString(base + abil + magic + misc + temp));
				});
		baseObserver = new IndirectObservableListener<>(baseSaveField,
				(c, v) -> c.setText(StringHelper.toString(save.apply(v))));
		abilObserver = new ObservableListener<>(abilityField,
				new AbilModStringify());
	}
	
	public void setModel(DDCharacter model) {
		final Ability.Scores abil = access.apply(model.getAbilities());
		totalObserver.setObserved(model, model, abil);
		baseObserver.setObserved(model, model, abil);
		abilObserver.setObserved(abil);
	}

	@Override
	public void removeNotify() {
		super.removeNotify();
		ObserverDispatch.unsubscribeAll(totalObserver);
		ObserverDispatch.unsubscribeAll(baseObserver);
		ObserverDispatch.unsubscribeAll(abilObserver);
	}
}