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

public class MailPanel : PopUpPanel {

	public Text title;

	public Transform listContainer;
	public MailItem itemPrefab;



	void Awake () 
	{
		title.text = Language.GetStr("MailPanel", "title");
		ListHelper.HideAll (listContainer);
		itemPrefab.mailPanel = this;
	}

	protected override void Shown ()
	{
		FillMsg (ChatManager.GetInstance ().GetMailMsgList());
		ChatManager.GetInstance ().MailMsgGot.AddListener (OnMailMsgGot);
	}


	private void FillMsg(List<ChatMsg> list)
	{
		ListHelper.FillList<ChatMsg> (listContainer, list, itemPrefab, ChatManager.MAX_MAIL);
	}


	private void OnMailMsgGot(ChatMsg chatMsg)
	{
		ListHelper.AddToList<ChatMsg> (listContainer, chatMsg, itemPrefab, ChatManager.MAX_MAIL);
	}




	override protected void Remove()
	{
		base.Remove ();
		currentPanel = null;
		ChatManager.GetInstance ().MailMsgGot.RemoveListener (OnMailMsgGot);
	}

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

		currentPanel.Open ();
		return currentPanel;
	}
}