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

namespace LapinerTools.uMyGUI
{
	public class uMyGUI_PopupManager : MonoBehaviour
	{
		public const string POPUP_LOADING = "loading";

		public const string POPUP_TEXT = "text";

		public const string POPUP_DROPDOWN = "dropdown";

		public const string BTN_OK = "ok";

		public const string BTN_YES = "yes";

		public const string BTN_NO = "no";

		private static uMyGUI_PopupManager s_instance;

		[SerializeField]
		private uMyGUI_Popup[] m_popups = new uMyGUI_Popup[0];

		[SerializeField]
		private string[] m_popupNames = new string[0];

		[SerializeField]
		private CanvasGroup[] m_deactivatedElementsWhenPopupIsShown = new CanvasGroup[0];

		public static uMyGUI_PopupManager Instance
		{
			get
			{
				if (s_instance == null)
				{
					s_instance = UnityEngine.Object.FindObjectOfType<uMyGUI_PopupManager>();
				}
				if (s_instance == null)
				{
					s_instance = new GameObject(typeof(uMyGUI_PopupManager).Name).AddComponent<uMyGUI_PopupManager>();
				}
				return s_instance;
			}
		}

		public static bool IsInstanceSet
		{
			get
			{
				return s_instance != null;
			}
		}

		public uMyGUI_Popup[] Popups
		{
			get
			{
				return m_popups;
			}
			set
			{
				m_popups = value;
			}
		}

		public string[] PopupNames
		{
			get
			{
				return m_popupNames;
			}
			set
			{
				m_popupNames = value;
			}
		}

		public CanvasGroup[] DeactivatedElementsWhenPopupIsShown
		{
			get
			{
				return m_deactivatedElementsWhenPopupIsShown;
			}
			set
			{
				m_deactivatedElementsWhenPopupIsShown = value;
			}
		}

		public bool IsPopupShown
		{
			get
			{
				for (int i = 0; i < m_popups.Length; i++)
				{
					if (m_popups[i] != null && m_popups[i].IsShown)
					{
						return true;
					}
				}
				return false;
			}
		}

		public uMyGUI_Popup ShowPopup(string p_name)
		{
			for (int i = 0; i < m_popupNames.Length && i < m_popups.Length; i++)
			{
				if (m_popupNames[i] == p_name)
				{
					return ShowPopup(i);
				}
			}
			if (LoadPopupFromResources(p_name) != null)
			{
				return ShowPopup(p_name);
			}
			return null;
		}

		public uMyGUI_Popup HidePopup(string p_name)
		{
			for (int i = 0; i < m_popupNames.Length && i < m_popups.Length; i++)
			{
				if (m_popupNames[i] == p_name)
				{
					return HidePopup(i);
				}
			}
			return null;
		}

		public uMyGUI_Popup ShowPopup(int p_index)
		{
			if (p_index >= 0 && p_index < m_popups.Length)
			{
				m_popups[p_index].Show();
				return m_popups[p_index];
			}
			Debug.LogError("uMyGUI_PopupManager: ShowPopup: popup index '" + p_index + "' is out of bounds [0," + m_popups.Length + "]!");
			return null;
		}

		public uMyGUI_Popup HidePopup(int p_index)
		{
			if (p_index >= 0 && p_index < m_popups.Length)
			{
				m_popups[p_index].Hide();
				return m_popups[p_index];
			}
			Debug.LogError("uMyGUI_PopupManager: HidePopup: popup index '" + p_index + "' is out of bounds [0," + m_popups.Length + "]!");
			return null;
		}

		public bool HasPopup(string p_name)
		{
			for (int i = 0; i < m_popupNames.Length; i++)
			{
				if (m_popupNames[i] == p_name)
				{
					return true;
				}
			}
			return false;
		}

		public bool AddPopup(uMyGUI_Popup p_popup, string p_name)
		{
			Canvas canvas = null;
			if (m_popups.Length > 0 && m_popups[0] != null && m_popups[0].transform.parent != null)
			{
				canvas = m_popups[0].transform.parent.GetComponentInParent<Canvas>();
			}
			if (canvas == null)
			{
				canvas = GetComponentInParent<Canvas>();
			}
			if (canvas == null)
			{
				canvas = UnityEngine.Object.FindObjectOfType<Canvas>();
			}
			if (canvas == null)
			{
				Debug.LogError("uMyGUI_PopupManager: AddPopup: there is no Canvas in this level!");
				return false;
			}
			uMyGUI_Popup[] popups = m_popups;
			string[] popupNames = m_popupNames;
			m_popups = new uMyGUI_Popup[m_popups.Length + 1];
			m_popupNames = new string[m_popupNames.Length + 1];
			Array.Copy(popups, m_popups, popups.Length);
			Array.Copy(popupNames, m_popupNames, popupNames.Length);
			m_popups[m_popups.Length - 1] = p_popup;
			m_popupNames[m_popups.Length - 1] = p_name;
			p_popup.transform.SetParent(canvas.transform, false);
			HidePopup(m_popups.Length - 1);
			return true;
		}

		public bool RemovePopup(uMyGUI_Popup p_popup)
		{
			for (int i = 0; i < m_popups.Length; i++)
			{
				if (m_popups[i] == p_popup)
				{
					List<uMyGUI_Popup> list = new List<uMyGUI_Popup>(m_popups);
					list.RemoveAt(i);
					m_popups = list.ToArray();
					List<string> list2 = new List<string>(m_popupNames);
					list2.RemoveAt(i);
					m_popupNames = list2.ToArray();
					return true;
				}
			}
			return false;
		}

		private uMyGUI_Popup LoadPopupFromResources(string p_name)
		{
			uMyGUI_Popup uMyGUI_Popup2 = UnityEngine.Object.Instantiate(Resources.Load<uMyGUI_Popup>("popup_" + p_name + "_root"));
			if (uMyGUI_Popup2 != null && AddPopup(uMyGUI_Popup2, p_name))
			{
				return uMyGUI_Popup2;
			}
			return null;
		}

		private void Awake()
		{
			if (m_popups.Length != m_popupNames.Length)
			{
				Debug.LogError("uMyGUI_PopupManager: m_popups and m_popupNames must have the same length (" + m_popups.Length + "!=" + m_popupNames.Length + ")!");
			}
			for (int i = 0; i < m_popups.Length; i++)
			{
				HidePopup(i);
			}
		}

		private void Update()
		{
			bool interactable = !IsPopupShown;
			for (int i = 0; i < m_deactivatedElementsWhenPopupIsShown.Length; i++)
			{
				m_deactivatedElementsWhenPopupIsShown[i].interactable = interactable;
			}
		}
	}
}