package org.leumasjaffe.charsheet.view.magic;

import javax.swing.JPanel;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;

import javax.swing.JTextArea;

import org.leumasjaffe.charsheet.model.DDCharacter;
import org.leumasjaffe.charsheet.model.DDCharacterClass;
import org.leumasjaffe.charsheet.model.magic.DDSpell;
import org.leumasjaffe.charsheet.model.magic.DDSpell.Component;
import org.leumasjaffe.charsheet.model.magic.Source;
import org.leumasjaffe.charsheet.model.observable.IntValue;

import javax.swing.JScrollPane;
import javax.swing.JLabel;
import javax.swing.JTextField;
import java.awt.Font;
import java.awt.FlowLayout;
import javax.swing.JCheckBox;

import static org.leumasjaffe.charsheet.model.magic.DDSpell.Component.*; 

class SpellInfoPanel extends JPanel {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public SpellInfoPanel(DDCharacter chara, DDCharacterClass dclass, final DDSpell spell) {
		final IntValue classLevel = dclass.getLevel();
		Map<String, Object> props = new HashMap<>();
		chara.getFeatureBonuses(spell).forEach(p -> p.accumulate(props));
		
		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, 1.0, Double.MIN_VALUE};
		setLayout(gridBagLayout);
		
		JPanel panel = new JPanel();
		GridBagConstraints gbc_panel = new GridBagConstraints();
		gbc_panel.insets = new Insets(0, 0, 5, 0);
		gbc_panel.fill = GridBagConstraints.BOTH;
		gbc_panel.gridx = 0;
		gbc_panel.gridy = 0;
		add(panel, gbc_panel);
		GridBagLayout gbl_panel = new GridBagLayout();
		gbl_panel.columnWidths = new int[]{0, 0, 0, 0, 0};
		gbl_panel.rowHeights = new int[]{0, 0, 0, 0, 0, 0, 0, 0, 0};
		gbl_panel.columnWeights = new double[]{0.0, 1.0, 0.0, 1.0, Double.MIN_VALUE};
		gbl_panel.rowWeights = new double[]{0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, Double.MIN_VALUE};
		panel.setLayout(gbl_panel);
		
		JLabel lblName = new JLabel("Name:");
		lblName.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblName = new GridBagConstraints();
		gbc_lblName.insets = new Insets(0, 0, 5, 5);
		gbc_lblName.anchor = GridBagConstraints.EAST;
		gbc_lblName.gridx = 0;
		gbc_lblName.gridy = 0;
		panel.add(lblName, gbc_lblName);
		
		JTextField name = new JTextField(spell.getName());
		name.setEditable(false);
		GridBagConstraints gbc_name = new GridBagConstraints();
		gbc_name.insets = new Insets(0, 0, 5, 5);
		gbc_name.fill = GridBagConstraints.HORIZONTAL;
		gbc_name.gridx = 1;
		gbc_name.gridy = 0;
		panel.add(name, gbc_name);
		name.setColumns(10);
		
		JLabel lblSpellSchool = new JLabel("Spell School:");
		lblSpellSchool.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblSpellSchool = new GridBagConstraints();
		gbc_lblSpellSchool.anchor = GridBagConstraints.EAST;
		gbc_lblSpellSchool.insets = new Insets(0, 0, 5, 5);
		gbc_lblSpellSchool.gridx = 2;
		gbc_lblSpellSchool.gridy = 0;
		panel.add(lblSpellSchool, gbc_lblSpellSchool);
		
		JTextField school = new JTextField(spell.getSpellSchool());
		school.setEditable(false);
		school.setColumns(10);
		GridBagConstraints gbc_school = new GridBagConstraints();
		gbc_school.insets = new Insets(0, 0, 5, 0);
		gbc_school.fill = GridBagConstraints.HORIZONTAL;
		gbc_school.gridx = 3;
		gbc_school.gridy = 0;
		panel.add(school, gbc_school);
		
		JLabel lblKeywords = new JLabel("Keywords:");
		lblKeywords.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblKeywords = new GridBagConstraints();
		gbc_lblKeywords.anchor = GridBagConstraints.EAST;
		gbc_lblKeywords.insets = new Insets(0, 0, 5, 5);
		gbc_lblKeywords.gridx = 0;
		gbc_lblKeywords.gridy = 1;
		panel.add(lblKeywords, gbc_lblKeywords);
		
		JTextField keywords = new JTextField(asString(spell.getKeywords()));
		keywords.setEditable(false);
		keywords.setColumns(10);
		GridBagConstraints gbc_keywords = new GridBagConstraints();
		gbc_keywords.gridwidth = 3;
		gbc_keywords.insets = new Insets(0, 0, 5, 0);
		gbc_keywords.fill = GridBagConstraints.HORIZONTAL;
		gbc_keywords.gridx = 1;
		gbc_keywords.gridy = 1;
		panel.add(keywords, gbc_keywords);
		
		JLabel lblComponents = new JLabel("Components:");
		lblComponents.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblComponents = new GridBagConstraints();
		gbc_lblComponents.anchor = GridBagConstraints.EAST;
		gbc_lblComponents.insets = new Insets(0, 0, 5, 5);
		gbc_lblComponents.gridx = 0;
		gbc_lblComponents.gridy = 2;
		panel.add(lblComponents, gbc_lblComponents);
		
		JPanel panel_1 = new JPanel();
		GridBagConstraints gbc_panel_1 = new GridBagConstraints();
		gbc_panel_1.insets = new Insets(0, 0, 5, 0);
		gbc_panel_1.gridwidth = 3;
		gbc_panel_1.fill = GridBagConstraints.BOTH;
		gbc_panel_1.gridx = 1;
		gbc_panel_1.gridy = 2;
		panel.add(panel_1, gbc_panel_1);
		panel_1.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
		
		final Set<Component> comps = spell.getComponents();
		final Source src = dclass.getProto().getSpells().get().getGroup();
		
		JCheckBox chckbxVerbal = new JCheckBox("Verbal");
		chckbxVerbal.setEnabled(false);
		chckbxVerbal.setSelected(comps.contains(V));
		panel_1.add(chckbxVerbal);
		
		JCheckBox chckbxSomatic = new JCheckBox("Somatic");
		chckbxSomatic.setEnabled(false);
		chckbxSomatic.setSelected(comps.contains(S));
		panel_1.add(chckbxSomatic);
		
		JCheckBox chckbxMaterial = new JCheckBox("Material");
		chckbxMaterial.setEnabled(false);
		chckbxMaterial.setSelected(comps.contains(M) || (comps.contains(M_DF) && src == Source.ARCANE));
		panel_1.add(chckbxMaterial);
		
		JCheckBox chckbxFocus = new JCheckBox("Focus");
		chckbxFocus.setEnabled(false);
		chckbxFocus.setSelected(comps.contains(F) || (comps.contains(F_DF) && src == Source.ARCANE));
		panel_1.add(chckbxFocus);
		
		JCheckBox chckbxDivineFocus = new JCheckBox("Divine Focus");
		chckbxDivineFocus.setEnabled(false);
		chckbxDivineFocus.setSelected(comps.contains(DF) || ((comps.contains(M_DF) || comps.contains(F_DF)) && src == Source.DIVINE));
		panel_1.add(chckbxDivineFocus);
		
		JCheckBox chckbxExperience = new JCheckBox("Experience");
		chckbxExperience.setEnabled(false);
		chckbxExperience.setSelected(comps.contains(XP));
		panel_1.add(chckbxExperience);
		
		JLabel lblCastingTime = new JLabel("Casting Time:");
		lblCastingTime.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblCastingTime = new GridBagConstraints();
		gbc_lblCastingTime.anchor = GridBagConstraints.EAST;
		gbc_lblCastingTime.insets = new Insets(0, 0, 5, 5);
		gbc_lblCastingTime.gridx = 0;
		gbc_lblCastingTime.gridy = 3;
		panel.add(lblCastingTime, gbc_lblCastingTime);
		
		JTextField action = new JTextField(spell.getCastingTime().name());
		action.setEditable(false);
		action.setColumns(10);
		GridBagConstraints gbc_action = new GridBagConstraints();
		gbc_action.insets = new Insets(0, 0, 5, 5);
		gbc_action.fill = GridBagConstraints.HORIZONTAL;
		gbc_action.gridx = 1;
		gbc_action.gridy = 3;
		panel.add(action, gbc_action);
		
		JLabel lblRange = new JLabel("Range:");
		lblRange.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblRange = new GridBagConstraints();
		gbc_lblRange.anchor = GridBagConstraints.EAST;
		gbc_lblRange.insets = new Insets(0, 0, 5, 5);
		gbc_lblRange.gridx = 2;
		gbc_lblRange.gridy = 3;
		panel.add(lblRange, gbc_lblRange);
		
		JTextField range = new JTextField(spell.getRange().getResolved(classLevel.value()));
		range.setToolTipText(spell.getRange().toString());
		range.setEditable(false);
		range.setColumns(10);
		GridBagConstraints gbc_range = new GridBagConstraints();
		gbc_range.insets = new Insets(0, 0, 5, 0);
		gbc_range.fill = GridBagConstraints.HORIZONTAL;
		gbc_range.gridx = 3;
		gbc_range.gridy = 3;
		panel.add(range, gbc_range);
				
		JLabel lblTarget = new JLabel("Target:");
		lblTarget.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblTarget = new GridBagConstraints();
		gbc_lblTarget.anchor = GridBagConstraints.EAST;
		gbc_lblTarget.insets = new Insets(0, 0, 5, 5);
		gbc_lblTarget.gridx = 0;
		gbc_lblTarget.gridy = 4;
		panel.add(lblTarget, gbc_lblTarget);
		
		JTextField target = new JTextField(asString(spell.getTarget()));
		target.setEditable(false);
		target.setColumns(10);
		GridBagConstraints gbc_target = new GridBagConstraints();
		gbc_target.insets = new Insets(0, 0, 5, 5);
		gbc_target.fill = GridBagConstraints.HORIZONTAL;
		gbc_target.gridx = 1;
		gbc_target.gridy = 4;
		panel.add(target, gbc_target);
		
		JLabel lblEffect = new JLabel("Effect:");
		lblEffect.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblEffect = new GridBagConstraints();
		gbc_lblEffect.anchor = GridBagConstraints.EAST;
		gbc_lblEffect.insets = new Insets(0, 0, 5, 5);
		gbc_lblEffect.gridx = 2;
		gbc_lblEffect.gridy = 4;
		panel.add(lblEffect, gbc_lblEffect);
		
		@SuppressWarnings("unchecked")
		JTextField effect = new JTextField(asString(spell.getEffect(), 
				e -> e.getResolved(classLevel.value(), (Map<String, Integer>) props.getOrDefault("effect", Collections.emptyMap()))));
		effect.setToolTipText(asString(spell.getEffect()));
		effect.setEditable(false);
		effect.setColumns(10);
		GridBagConstraints gbc_effect = new GridBagConstraints();
		gbc_effect.insets = new Insets(0, 0, 5, 0);
		gbc_effect.fill = GridBagConstraints.HORIZONTAL;
		gbc_effect.gridx = 3;
		gbc_effect.gridy = 4;
		panel.add(effect, gbc_effect);
		
		JLabel lblArea = new JLabel("Area:");
		lblArea.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblArea = new GridBagConstraints();
		gbc_lblArea.anchor = GridBagConstraints.EAST;
		gbc_lblArea.insets = new Insets(0, 0, 5, 5);
		gbc_lblArea.gridx = 0;
		gbc_lblArea.gridy = 5;
		panel.add(lblArea, gbc_lblArea);
		
		JTextField area = new JTextField(asString(spell.getArea()));
		area.setEditable(false);
		area.setColumns(10);
		GridBagConstraints gbc_area = new GridBagConstraints();
		gbc_area.insets = new Insets(0, 0, 5, 5);
		gbc_area.fill = GridBagConstraints.HORIZONTAL;
		gbc_area.gridx = 1;
		gbc_area.gridy = 5;
		panel.add(area, gbc_area);
		
		JLabel lblDuration = new JLabel("Duration:");
		lblDuration.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblDuration = new GridBagConstraints();
		gbc_lblDuration.anchor = GridBagConstraints.EAST;
		gbc_lblDuration.insets = new Insets(0, 0, 5, 5);
		gbc_lblDuration.gridx = 2;
		gbc_lblDuration.gridy = 5;
		panel.add(lblDuration, gbc_lblDuration);
		
		JTextField duration = new JTextField(spell.getDuration().getResolved(classLevel.value()));
		duration.setToolTipText(asString(spell.getDuration()));
		duration.setEditable(false);
		duration.setColumns(10);
		GridBagConstraints gbc_duration = new GridBagConstraints();
		gbc_duration.insets = new Insets(0, 0, 5, 0);
		gbc_duration.fill = GridBagConstraints.HORIZONTAL;
		gbc_duration.gridx = 3;
		gbc_duration.gridy = 5;
		panel.add(duration, gbc_duration);
		
		JLabel lblSavingThrow = new JLabel("Saving Throw:");
		lblSavingThrow.setFont(new Font("Tahoma", Font.BOLD, 14));
		GridBagConstraints gbc_lblSavingThrow = new GridBagConstraints();
		gbc_lblSavingThrow.anchor = GridBagConstraints.EAST;
		gbc_lblSavingThrow.insets = new Insets(0, 0, 5, 5);
		gbc_lblSavingThrow.gridx = 0;
		gbc_lblSavingThrow.gridy = 6;
		panel.add(lblSavingThrow, gbc_lblSavingThrow);
		
		JTextField saving = new JTextField(spell.getSavingThrow());
		saving.setEditable(false);
		saving.setColumns(10);
		GridBagConstraints gbc_saving = new GridBagConstraints();
		gbc_saving.insets = new Insets(0, 0, 5, 5);
		gbc_saving.fill = GridBagConstraints.HORIZONTAL;
		gbc_saving.gridx = 1;
		gbc_saving.gridy = 6;
		panel.add(saving, gbc_saving);
		
		JLabel lblSpellResistance = new JLabel("Spell Resistance:");
		lblSpellResistance.setFont(new Font("Tahoma", Font.BOLD, 12));
		GridBagConstraints gbc_lblSpellResistance = new GridBagConstraints();
		gbc_lblSpellResistance.anchor = GridBagConstraints.EAST;
		gbc_lblSpellResistance.insets = new Insets(0, 0, 5, 5);
		gbc_lblSpellResistance.gridx = 2;
		gbc_lblSpellResistance.gridy = 6;
		panel.add(lblSpellResistance, gbc_lblSpellResistance);
		
		JTextField resist = new JTextField(spell.isAllowsSpellResistance() ? "Yes" : "No");
		resist.setEditable(false);
		resist.setColumns(10);
		GridBagConstraints gbc_resist = new GridBagConstraints();
		gbc_resist.insets = new Insets(0, 0, 5, 0);
		gbc_resist.fill = GridBagConstraints.HORIZONTAL;
		gbc_resist.gridx = 3;
		gbc_resist.gridy = 6;
		panel.add(resist, gbc_resist);
		
		JScrollPane scrollPane = new JScrollPane();
		GridBagConstraints gbc_scrollPane = new GridBagConstraints();
		gbc_scrollPane.fill = GridBagConstraints.BOTH;
		gbc_scrollPane.gridx = 0;
		gbc_scrollPane.gridy = 1;
		add(scrollPane, gbc_scrollPane);
		
		JTextArea description = new JTextArea(spell.getDescription());
		description.setEditable(false);
		description.setWrapStyleWord(true);
		description.setRows(10);
		scrollPane.setViewportView(description);
		description.setColumns(30);
		description.setLineWrap(true);
	}

	private <T> String asString(Optional<T> obj, Function<? super T, String> ts) {
		return (!obj.isPresent()) ? "" : ts.apply(obj.get());
	}
	
	private <T> String asString(Optional<T> obj) {
		return (!obj.isPresent()) ? "" : obj.get().toString();
	}

	private String asString(Object obj) {
		return obj == null ? "" : obj.toString();
	}

	private static String asString(Set<String> keys) {
		if (keys.isEmpty()) return "<none>";
		String str = keys.toString();
		return str.substring(1, str.length()-1);
	}
}