using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Xml;

public class PowerDataManager
{
	public Dictionary<int, PowerData> dataDict;
	
	public PowerDataManager()
	{
		dataDict = new Dictionary<int, PowerData>();
		InitByXML("XML/Config/All/power_config");
	}
	
	public void InitByXML(string path)
	{
		TextAsset textAsset = (TextAsset)Resources.Load(path);
		
		XmlDocument xml = new XmlDocument();
		xml.LoadXml(textAsset.text);
		
		XmlNode mapNode = xml.SelectSingleNode("data");
		
		XmlNodeList nodeList = mapNode.SelectNodes("item");
		for(int i=0; i<nodeList.Count; i++)
		{
			PowerData data = new PowerData(nodeList[i]);
			if(!dataDict.ContainsKey(data.id))
				dataDict.Add(data.id, data);
			else
				Debuger.LogError("power " + data.id + " has duplicate");
		}
	}
	
	private static PowerDataManager instance;
	public static PowerDataManager GetInstance()
	{
		if(instance == null)
		{
			instance = new PowerDataManager();
		}
		return instance;
	}
	
	public PowerData GetData(int id)
	{
		if(dataDict.ContainsKey(id))
			return dataDict[id];
		Debuger.LogWarning("can not find buff["+id+"]");
		return null;
	}
	
	public Power CreatePower(int index, int id, IPowerOwner owner, bool isAttack=false)
	{
		Power power = new Power(GetData(id), owner, isAttack);
		power.index = index;
		return power;
	}
}