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

public class HaloManager {

	private Dictionary<int, HaloData> dataDict;
	private List<HaloData> dataList;
	private HaloData defaultData;
	private int startEquipedId;
	private int currentEquipedId;
	
	public HaloManager()
	{
		dataDict = new Dictionary<int, HaloData>();
		InitByXML("XML/Config/All/halo_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++)
		{
			HaloData data = new HaloData(nodeList[i]);
			if(!dataDict.ContainsKey(data.id))
			{
				dataDict.Add(data.id, data);
				if(data.id == 0)
				{
					defaultData = data;
					defaultData.bought = true;
				}
			}
			else
				Debuger.LogError("buff " + data.id + " has duplicate");
		}
	}
	
	private static HaloManager instance;
	public static HaloManager GetInstance()
	{
		if(instance == null)
		{
			instance = new HaloManager();
		}
		return instance;
	}

	public HaloData GetData(int id)
	{
		if(dataDict.ContainsKey(id))
			return dataDict[id];
		return defaultData;
	}


	public int GetCurrentEquipedId()
	{
		return currentEquipedId;
	}


	public void InitDataState(JsonData json)
	{
		for(int i=0; i<json.Count; i++)
		{
			JsonData o = json[i];
			int itemId = JsonUtil.ToInt(o["itemid"]);
			int equiped = JsonUtil.ToInt(o["equiped"]);

			if(equiped > 0)
				Equip(itemId, equiped);
			Bought(itemId);
		}

		if (currentEquipedId == 0)
			Equip (defaultData.id, 1);
	}


	public void RequestDataList(CallBackUtil.SimpleCallBack callBack)
	{
		if(dataList == null)
			Session.GetInstance().GetNetworkManager().ShopList(BuyUtil.ItemType.Halo, callBack);
		else
			callBack();
	}

	public List<HaloData> GetDataList()
	{
		return dataList;
	}

	public void SetDataList(JsonData json)
	{
		this.dataList = new List<HaloData>();
		dataList.Add (defaultData);
		for(int i=0; i<json.Count; i++)
		{
			JsonData o = json[i];
			int itemId = JsonUtil.ToInt(o["itemid"]);
			int currency = JsonUtil.ToInt(o["currency"]);
			int price = JsonUtil.ToInt(o["price"]);

			HaloData data = GetData(itemId);
			data.currency = currency;
			data.price = price;
			dataList.Add(data);
		}
	}

	public void Bought(int id)
	{
		HaloData data = GetData(id);
		if(data != null)
			data.bought = true;
	}

	public void RecordStartEquipId()
	{
		startEquipedId = currentEquipedId;
	}

	public void SyncEquipId()
	{
		if(startEquipedId != currentEquipedId)
		{
			HaloData data = GetData(currentEquipedId);
			Session.GetInstance().GetNetworkManager().Equip(BuyUtil.ItemType.Halo, data.id, data.equiped);
			startEquipedId = currentEquipedId;
		}
	}

	public void Equip(int id, int value)
	{
		HaloData data = GetData(id);
		data.equiped = value;
		if(value != 0)
		{
			currentEquipedId = data.id;
		}
		else
		{
			currentEquipedId = defaultData.id;
		}

		if(dataList != null)
		{
			for(int i=0; i<dataList.Count; i++)
			{
				data = dataList[i];
				if(data.id != id)
				{
					data.equiped = 0;
				}
			}
		}
	}

	public GameObject CreateHaloObjById(int id)
	{
		HaloData data = GetData(id);
		GameObject prefab = Resources.Load<GameObject>("Prefabs/Halo/"+data.model);
		GameObject haloObj = GameObject.Instantiate<GameObject>(prefab);
		haloObj.AddComponent<HaloObj>();
		return haloObj;
	}

}