package com.gpl.rpg.atcontentstudio.model.sprites;

import java.awt.Image;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;

import javax.swing.tree.TreeNode;

import com.gpl.rpg.atcontentstudio.model.GameSource;
import com.gpl.rpg.atcontentstudio.model.GameSource.Type;
import com.gpl.rpg.atcontentstudio.model.Project;
import com.gpl.rpg.atcontentstudio.model.ProjectTreeNode;
import com.gpl.rpg.atcontentstudio.model.gamedata.GameDataSet;
import com.gpl.rpg.atcontentstudio.ui.DefaultIcons;

public class SpriteSheetSet implements ProjectTreeNode {

	public static final String DEFAULT_REL_PATH_IN_SOURCE = "res"+File.separator+"drawable"+File.separator;
	public static final String DEFAULT_REL_PATH_IN_PROJECT = "spritesheets"+File.separator;
	
	public File drawableFolder = null;
	
	public transient List<Spritesheet> spritesheets;

	public GameSource parent;
	
	public SpriteSheetSet(GameSource source) {
		this.parent = source;
		if (source.type == GameSource.Type.source) this.drawableFolder = new File(source.baseFolder, DEFAULT_REL_PATH_IN_SOURCE);
		else if (source.type == GameSource.Type.created | source.type == GameSource.Type.altered) {
			this.drawableFolder = new File(source.baseFolder, DEFAULT_REL_PATH_IN_PROJECT);
			if (!this.drawableFolder.exists()) {
				this.drawableFolder.mkdirs();
			}
		}
		spritesheets = new ArrayList<Spritesheet>();
		if (this.drawableFolder != null) {
			for (File f : this.drawableFolder.listFiles()) {
				if (f.getName().endsWith(".png") || f.getName().endsWith(".PNG")) {
					spritesheets.add(new Spritesheet(this, f));
				}
			}
		}
	}
	
	@Override
	public Enumeration<Spritesheet> children() {
		return Collections.enumeration(spritesheets);
	}
	@Override
	public boolean getAllowsChildren() {
		return true;
	}
	@Override
	public TreeNode getChildAt(int arg0) {
		return spritesheets.get(arg0);
	}
	@Override
	public int getChildCount() {
		return spritesheets.size();
	}
	@Override
	public int getIndex(TreeNode arg0) {
		return spritesheets.indexOf(arg0);
	}
	@Override
	public TreeNode getParent() {
		return parent;
	}
	@Override
	public boolean isLeaf() {
		return false;
	}
	@Override
	public void childrenAdded(List<ProjectTreeNode> path) {
		path.add(0, this);
		parent.childrenAdded(path);
	}
	@Override
	public void childrenChanged(List<ProjectTreeNode> path) {
		path.add(0, this);
		parent.childrenChanged(path);
	}
	@Override
	public void childrenRemoved(List<ProjectTreeNode> path) {
		if (path.size() == 1 && this.getChildCount() == 1) {
			childrenRemoved(new ArrayList<ProjectTreeNode>());
		} else {
			path.add(0, this);
			parent.childrenRemoved(path);
		}
	}
	@Override
	public void notifyCreated() {
		childrenAdded(new ArrayList<ProjectTreeNode>());
		for (Spritesheet s : spritesheets) {
			s.notifyCreated();
		}
	}
	@Override
	public String getDesc() {
		return (needsSaving() ? "*" : "")+"Spritesheets";
	}

	@Override
	public Project getProject() {
		return parent.getProject();
	}
	
	@Override
	public Image getIcon() {
		return getOpenIcon();
	}
	@Override
	public Image getClosedIcon() {
		return DefaultIcons.getSpriteClosedIcon();
	}
	@Override
	public Image getLeafIcon() {
		return DefaultIcons.getSpriteClosedIcon();
	}
	@Override
	public Image getOpenIcon() {
		return DefaultIcons.getSpriteOpenIcon();
	}

	@Override
	public GameDataSet getDataSet() {
		return null;
	}
	
	@Override
	public Type getDataType() {
		return parent.getDataType();
	}
	
	@Override
	public boolean isEmpty() {
		return spritesheets.isEmpty();
	}

	public Spritesheet getSpritesheet(String id) {
		if (spritesheets == null) return null;
		for (Spritesheet sheet : spritesheets) {
			if (id.equals(sheet.id)){
				return sheet;
			}
		}
		return null;
	}
	
	@Override
	public boolean needsSaving() {
		for (ProjectTreeNode node : spritesheets) {
			if (node.needsSaving()) return true;
		}
		return false;
	}
}