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

public class UAVPanel : PopUpPanel
{

	public Transform equipContainer;
	public EquipIcon equipItemPrefab;

	public EquipInfo equipInfo;
	private EquipedData equipedData;

	void Awake()
	{
		ListHelper.HideAll (equipContainer);

		equipItemPrefab.uavPanel = this;
		equipInfo.uavPanel = this;

		Shown ();
	}

	protected override void Shown ()
	{
		EquipManager.GetInstance ().InventoryUpdate.AddListener (OnInventoryUpdate);
		EquipManager.GetInstance ().RequestInventory ();
	}

	private void OnInventoryUpdate()
	{
		EquipManager.GetInstance ().InventoryUpdate.RemoveListener (OnInventoryUpdate);

		List<Equipment> list = UAVManager.GetInstance ().GetInventoryList ();
		ListHelper.FillList<Equipment> (equipContainer, list, equipItemPrefab);
		if (list.Count > 0)
			SelectEquip (equipItemPrefab);
		else
			SelectEquip (null);
	}



	public void SelectEquip(EquipIcon icon)
	{
		ButtonUtil.TabSelected (icon, equipContainer);
		if (icon != null) {
			ShowEquipInfo (icon.data as Equipment);
		} else {
			ShowEquipInfo (null);
		}
	}

	private void ShowEquipInfo(Equipment equipment)
	{
		equipInfo.SetEquip (equipment);
	}


	public void Equip(Equipment equip)
	{
		UAVItem uavItem = UAVManager.GetInstance ().GetUAVItem (equip.GetData ().id);
		UAVManager.GetInstance ().SetEquipedItem (uavItem);
		List<Equipment> list = UAVManager.GetInstance ().GetInventoryList ();
		ListHelper.FillList<Equipment> (equipContainer, list, equipItemPrefab);

		ShowEquipInfo (equip);
	}

	public bool IsEquiped(Equipment equip)
	{
		UAVItem uavItem = UAVManager.GetInstance ().GetEquipedItem ();
		if(uavItem != null &&　uavItem.GetEquipment () == equip)
			return true;
		return false;
	}



	private static UAVPanel currentPanel;
	public static UAVPanel Show()
	{
		if (currentPanel != null) {
			currentPanel.gameObject.SetActive (true);
			PopUpManager.AddToMainCanvas (currentPanel.gameObject);
		}
		else
			currentPanel = PopUpManager.AddPopUp<UAVPanel> (Resources.Load<GameObject> ("Prefabs/UI/UAVPanel/UAVPanel"), null, true);

		currentPanel.Open ();
		return currentPanel;
	}
}