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

public class SkinManager {

	private Dictionary<int, SkinData> dataDict;
	private Dictionary<int, List<SkinData>> dataListByCraftId;
	public SkinData defaultData;

	private bool isPriceGot;
	private int startEquipedId;
	private int currentEquipedId;

	public SkinManager()
	{
		dataDict = new Dictionary<int, SkinData>();
		dataListByCraftId = new Dictionary<int, List<SkinData>>();
		InitByXML("XML/Config/All/skin_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++)
		{
			SkinData data = new SkinData(nodeList[i]);
			if(data.id == 0)
			{
				defaultData = data;
				defaultData.bought = true;
				continue;
			}
			if(!dataDict.ContainsKey(data.id))
			{
				dataDict.Add(data.id, data);
				FillDataListByCraftId(data);
			}
			else
				Debuger.LogError("skin " + data.id + " has duplicate");
		}
	}

	private void FillDataListByCraftId(SkinData data)
	{
		int craftId = data.craftId;
		if(!dataListByCraftId.ContainsKey(craftId))
		{
			dataListByCraftId.Add(craftId, new List<SkinData>());
		}
		dataListByCraftId[craftId].Add(data);
	}
	
	private static SkinManager instance;
	public static SkinManager GetInstance()
	{
		if(instance == null)
		{
			instance = new SkinManager();
		}
		return instance;
	}

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


	public int GetSkinId(int craftId)
	{
		if(dataListByCraftId.ContainsKey(craftId))
		{
			List<SkinData> list = dataListByCraftId[craftId];
			for(int i=0; i<list.Count; i++)
			{
				SkinData data = list[i];
				if(data.equiped > 0)
				{
					return data.id;
				}
			}
		}
		return 0;
	}

	public Texture GetSkinTexture(int craftId, int id)
	{
		SkinData data = GetData(id);
		if(data != null)
		{
			return Resources.Load<Texture>("Textures/CraftSkin/"+data.model+"/"+craftId);
		}
		return Resources.Load<Texture>("Textures/CraftSkin/"+craftId);
	}


	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, equiped);
			Bought(itemId);
		}
	}


	public void RequestDataList(CallBackUtil.SimpleCallBack callBack)
	{
		if(!isPriceGot)
			Session.GetInstance().GetNetworkManager().ShopList(BuyUtil.ItemType.Skin, callBack);
		else
			callBack();
	}

	public List<SkinData> GetDataList(int craftId)
	{
		if(dataListByCraftId.ContainsKey(craftId))
			return dataListByCraftId[craftId];
		return new List<SkinData>();
	}

	public void SetDataList(JsonData json)
	{
		isPriceGot = true;
		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"]);

			SkinData data = GetData(itemId);
			data.currency = currency;
			data.price = price;
		}
	}

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

	public void RecordStartEquipId(int craftId)
	{
		startEquipedId = currentEquipedId = GetSkinId(craftId);
	}

	public void SyncEquipId(int craftId)
	{
		if(startEquipedId != currentEquipedId)
		{
			SkinData data = GetData(currentEquipedId);
			if(data != null)
				Session.GetInstance().GetNetworkManager().Equip(BuyUtil.ItemType.Skin, data.id, data.equiped);
			else
				Session.GetInstance().GetNetworkManager().Equip(BuyUtil.ItemType.Skin, startEquipedId, 0);
		}
	}

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

		if(dataListByCraftId.ContainsKey(craftId))
		{
			List<SkinData> dataList = dataListByCraftId[craftId];
			for(int i=0; i<dataList.Count; i++)
			{
				data = dataList[i];
				if(data.id != id)
				{
					data.equiped = 0;
				}
			}
		}
	}

}