using System;
using UnityEngine;
using UnityEngine.Events;

namespace OHM.UnityToolkit.UI
{
	public class UIMenuBase : MonoBehaviour
	{
		[SerializeField]
		protected Animator animator;

		[SerializeField]
		protected GameObject toEnableOnShow;

		[SerializeField]
		protected bool hideOnBack;

		public UIMenuEvent onShow = new UIMenuEvent();
		public UIMenuEvent onHide = new UIMenuEvent();
		public UIMenuInteractionEvent onInteraction = new UIMenuInteractionEvent();
		protected UIMenusController menuController;

		private void Awake()
		{
		}

		internal void SetMenuController(UIMenusController menuController)
		{
			this.menuController = menuController;
		}

		public virtual void Show()
		{
			base.gameObject.SetActive(value: true);
			if (toEnableOnShow != null)
			{
				toEnableOnShow.SetActive(value: true);
			}
			ResetTrigger("Hide");
			int? trigger = GetAnimParameter("Show");
			if (trigger.HasValue)
			{
				animator.SetTrigger(trigger.Value);
			}
			onShow.Invoke(base.name);
			if (menuController != null)
			{
				menuController.PushPopup(this);
			}
		}

		public virtual void Hide()
		{
			onHide.Invoke(base.name);
			if (menuController != null)
			{
				menuController.PopPopup(this);
			}
			ResetTrigger("Show");
			int? trigger = GetAnimParameter("Hide");
			if (trigger.HasValue)
			{
				animator.SetTrigger(trigger.Value);
			}
			else
			{
				base.gameObject.SetActive(value: false);
			}
		}

		public void DisableNow()
		{
			base.gameObject.SetActive(value: false);
		}

		protected void ResetTrigger(string id)
		{
			int? trigger = GetAnimParameter(id);
			if (trigger.HasValue)
			{
				animator.ResetTrigger(trigger.Value);
			}
		}

		protected Nullable<int> GetAnimParameter(string name)
		{
			if (animator != null && animator.gameObject.activeSelf)
			{
				AnimatorControllerParameter[] parameters = animator.parameters;
				for (int i = 0; i < parameters.Length; i++)
				{
					if (parameters[i].name == name)
					{
						return parameters[i].nameHash;
					}
				}
			}
			return null;
		}

		protected void OnInteraction(string interactionId)
		{
			onInteraction.Invoke(base.name, interactionId);
		}

		public virtual bool OnBack()
		{
			if (!hideOnBack)
			{
				return false;
			}
			Hide();
			return true;
		}

		[Serializable]
		public class UIMenuEvent : UnityEvent<string>
		{
		}

		[Serializable]
		public class UIMenuInteractionEvent : UnityEvent<string, string>
		{
		}

	}
}