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

public class EquipInfo : MonoBehaviour {

	public Image border;
	public Image icon;
	public Text nameTxt;
	public Text levelTxt;
	public Text descTxt;

	public Text upgradeLabel;
	public Button upgradeBtn;
	public Text upgradePrice;

	public Text equipLabel;
	public Button equipBtn;

	public EquipPanel equipPanel;

	private Equipment equipment;

	void Awake()
	{
		upgradeLabel.text = Language.GetStr ("EquipPanel", "upgrade");
		equipLabel.text = Language.GetStr ("EquipPanel", "equip");
	}

	void OnDestroy()
	{
		if(equipment != null)
		{
			equipment.Updated.RemoveListener (EquipUpdated);
		}
	}

	public void SetEquip(Equipment equip)
	{
		OnDestroy ();

		this.equipment = equip;

		if(equip != null)
		{
			equip.Updated.AddListener (EquipUpdated);

			border.color = equip.GetData ().GetBorderColor ();
			icon.sprite = equip.GetData ().GetIconSprite ();
			nameTxt.text = equip.GetData ().GetName ();
			nameTxt.color = equip.GetData ().GetTextColor ();
			levelTxt.text = equip.GetLevelLabel ();

			descTxt.text = equip.GetDescription ();

			if (equip.GetLevel () < equip.GetMaxLevel ()) {
				if (equip.GetCount () >= equip.GetNextLevelCount ())
					ButtonUtil.Selected (upgradeBtn.gameObject);
				else
					ButtonUtil.Unselect (upgradeBtn.gameObject);
				upgradePrice.text = equip.GetUpgradePrice ().ToString();
			} else {
				ButtonUtil.Unselect (upgradeBtn.gameObject);
				upgradePrice.text = "0";
			}
		}
		else
		{
			border.color = UpgradeUtil.GetCommonBorderColor ();
			icon.sprite = EquipData.GetUnknowIconSprite ();
			nameTxt.text = "???";
			nameTxt.color = UpgradeUtil.GetCommonBorderColor ();
			levelTxt.text = "???";
			descTxt.text = "";

			upgradePrice.text = "0";
			ButtonUtil.Unselect (upgradeBtn.gameObject);
			ButtonUtil.Unselect (equipBtn.gameObject);
		}
	}

	private void EquipUpdated()
	{
		SetEquip (equipment);
	}

	public void OnClickUpgrade()
	{
		if (equipment == null)
			return;

		if (equipment.GetUpgradePrice () > Session.GetInstance ().myUserData.coin) {
			BuyCoinPanel.Show ();
			return;
		}

		if (equipment.GetLevel() < equipment.GetMaxLevel() && equipment.GetCount () >= equipment.GetNextLevelCount ()) {
			string info = Language.GetStr ("EquipPanel", "upgradeConfirm");
			info = info.Replace ("%NAME%", equipment.GetData().GetName());
			info = info.Replace ("%LEVEL%", (equipment.GetLevel() + 1).ToString());
			AlertPanel.Show (info, AlertPanel.YES | AlertPanel.NO, AlertCloseEvent);
		}
	}

	private void AlertCloseEvent(AlertCloseEvent evt)
	{
		if(evt.detail == AlertPanel.YES)
		{
			EquipRequest.Upgrade (equipment.GetId()).ResultEvent.AddListener ((bool success, JsonData data)=>{
				if(success)
				{
					int count = JsonUtil.ToInt(data["count"]);
					int level = JsonUtil.ToInt(data["level"]);
					int itemId = JsonUtil.ToInt(data["item_id"]);
					int coin = JsonUtil.ToInt(data["coin"]);

					Session.GetInstance().myUserData.coin = coin;
					equipment.Upgrade(level, count);
				}
			});
		}
	}

	public void OnClickEquip()
	{
		if (equipment == null)
			return;
		
		equipPanel.Equip (equipment);
	}
}