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

namespace RogueUtils.Data
{
	public abstract class SubBaseVariableReference : ScriptableObject
	{
		private event EventHandler InternalOnVariableChangeUntyped;
		private event EventHandler InternalOnValueChangeUntyped;

		public event EventHandler OnVariableChangeUntyped
		{
			// Not thread safe.
			// Will add tracking of subscribers
			add
			{
				InternalOnVariableChangeUntyped += value;
			}

			remove
			{
				InternalOnVariableChangeUntyped -= value;
			}
		}

		public event EventHandler OnValueChangeUntyped
		{
			// Not thread safe.
			// Will add tracking of subscribers
			add
			{
				InternalOnValueChangeUntyped += value;
			}

			remove
			{
				InternalOnValueChangeUntyped -= value;
			}
		}

		public abstract SubBaseVariable GetVariableUntyped();

		public abstract void SetVariableUntyped(SubBaseVariable value);

		public abstract T GetValue<T>();

		public abstract object GetValueUntyped();

		public abstract void SetValueUntyped(object value);

		public abstract void TriggerVariableListeners();

		protected void SubBaseTriggerVariableListeners()
		{
			InternalOnVariableChangeUntyped?.Invoke(this, EventArgs.Empty);
		}

		protected void SubBaseTriggerValueListeners()
		{
			InternalOnValueChangeUntyped?.Invoke(this, EventArgs.Empty);
		}

#if UNITY_EDITOR && false
		[BoxGroup("Debug/Trigger")]
		[Button("Trigger Variable Listeners")]
		public void EditorTriggerVariableListeners()
		{
			TriggerVariableListeners();
		}
#endif
	}
}