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

public class EquipManager
{

	private Dictionary<int, EquipData> dataDict;

	private Dictionary<int, EquipedData> equipedDict;

	private List<Equipment> inventoryList;
	public List<Equipment> hpList;
	public List<Equipment> dmgList;
	public List<Equipment> moveList;

	public EquipManager()
	{
		dataDict = new Dictionary<int, EquipData>();
		InitByXML("XML/Config/All/equip_config");

		equipedDict = new Dictionary<int, EquipedData> ();

		inventoryList = new List<Equipment> ();
		hpList = new List<Equipment> ();
		dmgList = new List<Equipment> ();
		moveList = new List<Equipment> ();

		InitEquiped ();
	}

	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++)
		{
			EquipData data = new EquipData(nodeList[i] as XmlElement);
			if(!dataDict.ContainsKey(data.id))
				dataDict.Add(data.id, data);
			else
				Debuger.LogError("Equipment " + data.id + " has duplicate");
		}
	}



	public void InitEquipInventory(JsonData jsonArr)
	{
		inventoryList.Clear ();
		hpList.Clear ();
		dmgList.Clear ();
		moveList.Clear ();

		for(int i=0; i<jsonArr.Count; i++)
		{
			JsonData data = jsonArr [i];
			int id = JsonUtil.ToInt (data["id"]);
			int level = JsonUtil.ToInt (data["level"]);
			int count = JsonUtil.ToInt (data["count"]);

			Equipment equipment = new Equipment (GetData (id));
			equipment.SetCount (count);
			equipment.SetLevel (level);

//			equipment.SetCount (Random.Range(0, 10));
//			equipment.SetLevel (Random.Range(1, 5));

			inventoryList.Add (equipment);

			if (equipment.HasHpProperty ())
				hpList.Add (equipment);
			if (equipment.HasDamageProperty ())
				dmgList.Add (equipment);
			if (equipment.HasMoveProperty ())
				moveList.Add (equipment);
		}

		SortRecommand ();
	}

	private void SortRecommand()
	{
		hpList.Sort (HpCompare);
		dmgList.Sort (DamageCompare);
		moveList.Sort (MoveCompare);
	}

	private static int HpCompare(Equipment a, Equipment b)
	{
		if (a.GetHpProperty () > b.GetHpProperty ())
			return -1;
		else if (a.GetHpProperty () < b.GetHpProperty ())
			return 1;
		return 0;
	}

	private static int DamageCompare(Equipment a, Equipment b)
	{
		if (a.GetDamageProperty () > b.GetDamageProperty ())
			return -1;
		else if (a.GetDamageProperty () < b.GetDamageProperty ())
			return 1;
		return 0;
	}

	private static int MoveCompare(Equipment a, Equipment b)
	{
		if (a.GetMoveProperty () > b.GetMoveProperty ())
			return -1;
		else if (a.GetMoveProperty () < b.GetMoveProperty ())
			return 1;
		return 0;
	}


	public EquipData GetData(int id)
	{
		EquipData data = null;
		dataDict.TryGetValue (id, out data);
		return data;
	}


	public List<Equipment> GetInventoryList()
	{
		return inventoryList;
	}






	private void InitEquiped()
	{
		List<CraftConfigData> list = CraftManager.GetInstance ().GetDataList ();
		for(int i=0; i<list.Count; i++)
		{
			CraftConfigData data = list [i];
			EquipedData equipedData = new EquipedData (data.id);
			equipedDict.Add (data.id, equipedData);
		}


	}

	public EquipedData GetEquipedData(int craftId)
	{
		if(equipedDict.ContainsKey(craftId))
			return equipedDict [craftId];
		return null;
	}


	private static EquipManager instance;
	public static EquipManager GetInstance()
	{
		if(instance == null)
		{
			instance = new EquipManager ();
		}
		return instance;
	}
}