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

public class CraftSelectionPanel : PopUpPanel
{

	public GameObject craftItemPrefab;

	public RectTransform containerTrans;
	public GameObject closeBtn;
	public Text titleTxt;
	public bool useSwap;
	public Player myPlayer;

	void Start()
	{
		myPlayer = Session.GetInstance().GetBattleSession().myPlayer;

		List<CraftConfigData> list = CraftManager.GetInstance().GetDataList();
		for(int i=0; i<list.Count; i++)
		{
			CraftConfigData craftData = list[i];
			GameObject craftObj = Instantiate<GameObject>(craftItemPrefab);
			craftObj.transform.SetParent(containerTrans);
			craftObj.transform.localPosition = Vector3.zero;
			craftObj.transform.localScale = new Vector3(1f, 1f, 1f);
			CraftSelectionItem craftSelectionItem = craftObj.GetComponent<CraftSelectionItem>();
			craftSelectionItem.craftSelectionPanel = this;
			craftSelectionItem.index = i;
			craftSelectionItem.SetCraftData(craftData);
		}

		if(useSwap)
			titleTxt.text = Language.GetStr("GameInfo", "swapCraft");
		else
			titleTxt.text = Language.GetStr("GameInfo", "selectCraft");


		Session.GetInstance().GetBattleSession().GetBattleController().battleUI.powerIconContainer.Hide();
	}

	public static void SelectCraft(Player player, int craftId)
	{
		BattleSession battleSession = Session.GetInstance().GetBattleSession();
		if(currentPanel != null && currentPanel.useSwap)
		{
			if (player != null) 
			{
				Player.Hero hero = player.GetHero();
				if(hero.GetCraft() != null)
					battleSession.GetMessageManager ().PrepareSwap (hero.GetCraft().id, craftId);
			}
		}
		else
		{
			Vector3 pos = battleSession.GetBattleController().GetMap().GetStartPosition(player);
			battleSession.GetMessageManager().SelectCraft(player, craftId, Map.XToColumn(pos.x), Map.ZToRow(pos.z));
		}
	}

	void FixedUpdate()
	{
		if(useSwap)
		{
			Player.Hero hero = myPlayer.GetHero();
			if(hero.GetCraft() == null || !hero.GetCraft().IsLeaveDamage())
				Close();
		}
	}

	void OnDestroy()
	{
		BattleController battleController = Session.GetInstance ().GetBattleSession ().GetBattleController ();
		if(battleController.GetCtrlCraft() != null)
			Session.GetInstance().GetBattleSession().GetBattleController().battleUI.powerIconContainer.Show();
		if(BattleController.battleType == BattleController.BattleType.Menu)
			Session.GetInstance ().GetBattleSession ().GetBattleController ().menuUI.startBtnContainer.Show();
		currentPanel = null;
	}

	public static bool IsShown()
	{
		return currentPanel != null;
	}

	private static CraftSelectionPanel currentPanel;
	public static CraftSelectionPanel Show(bool useSwap=false)
	{
		if(currentPanel == null)
		{
			GameObject panelObj = Instantiate<GameObject>(Resources.Load<GameObject>("Prefabs/UI/Battle/CraftSelectionPanel"));
			currentPanel = panelObj.GetComponent<CraftSelectionPanel>();
			PopUpManager.AddToMainCanvas(panelObj);
		}
		currentPanel.useSwap = useSwap;
		currentPanel.closeBtn.SetActive(useSwap);
		if (useSwap) {
			Session.GetInstance ().GetBattleSession ().GetBattleController ().battleUI.powerIconContainer.Hide ();
			if(BattleController.battleType == BattleController.BattleType.Menu)
				Session.GetInstance ().GetBattleSession ().GetBattleController ().menuUI.startBtnContainer.Hide();
		}
		return currentPanel;
	}

	public static void Hide()
	{
		if(currentPanel != null)
			Destroy(currentPanel.gameObject);
	}
}