using UnityEngine;
using System.Collections;

public class SaveData : MonoBehaviour {

	public static SaveData Instance;

	private Jungle mainScene ;
	private JungleTree mainTree;
	private JungleTreeEditor TreeEditor;
	private TreeNode node;
	// Use this for initialization
	void Awake () {
		if (Instance == null) {
			Instance = this;
		}
	}

	private void Start () {
		JungleStart ();
	}

	private void JungleStart () {
		Debug.Log ("[Jungle] Start ...");
		mainScene = new DefaultJungle(null, "Main", new DefaultTreeEditor(new DefaultTraverser()));
	}

	public void CreateTree (string name) {
		mainScene.createNewTree (name);
		mainTree = mainScene.getTreeByName (name);
		Debug.Log ("[Jungle] Create " + name + " Tree");
		EditorMode ();
	}

	public void EditorMode () { 
		TreeEditor = mainTree.getTreeEditor ();
		Debug.Log ("[Jungle] Editor Mode" + TreeEditor.ToString());
	}

	public void createTree (int pos, NodePath path, string key, byte[] value) {
		Either<Error, JungleTreeEditor> either = TreeEditor.addNewChildAt(path, pos);
		if (either.isA ()) {
			Debug.LogError ("[Error]" + either.a ());
		} else {
			TreeEditor = either.b ();
			Either<Error, JungleTreeEditor> eitherput = TreeEditor.putAttribute (path.add(pos), key, value);
			if (eitherput.isA ()) {
				Debug.LogError ("[Error]" + eitherput.a());
			} else {
				Debug.Log ("[Success]");
				TreeEditor = eitherput.b ();
			}
		}
	}

//	public void PutAttribute (NodePath path, string key, byte[] value) {
//		Either<Error, JungleTreeEditor> either = TreeEditor.putAttribute (path, key, value);
//		if (either.isA ()) {
//			Debug.LogError ("[Error]" + either.a());
//		} else {
//			Debug.Log ("[Success]");
//			either.b ();
//		}
//	}

	public void GetAttribute (NodePath path, string key) {
		Either<Error, TreeNode> either =  mainTree.getNodeOfPath (path);
		if (either.isA ()) {
			Debug.LogError ("[Error]");
		} else {
			node = either.b ();
			print (key);
			byte[] target = node.getAttributes ().get (key);
			var obj = ConvertObject.UnConvert (target);
			print (obj);
		}
	}
 
	public void Push() {
		Either<Error, JungleTreeEditor> r = TreeEditor.success();
		if (r.isA ()) {
			Debug.LogError ("[Error]");
		} else {
			Debug.Log ("[Success]");
			TreeEditor = r.b ();
		}
	}
}