using System.Collections.Generic;
using NodeCanvas.Framework;
using ParadoxNotion.Design;
using UnityEngine;


namespace Reset.Core {

	[Category("Reset")]
	[Description("Deal damage using a damage source to a target")]
	public class DealDamage : ActionTask{
		public BBParameter<List<Collider>> targets;
		public BBParameter<DamageSource> damageSource;

		//Use for initialization. This is called only once in the lifetime of the task.
		//Return null if init was successfull. Return an error string otherwise
		protected override string OnInit() {
			return null;
		}

		//This is called once each time the task is enabled.
		//Call EndAction() to mark the action as finished, either in success or failure.
		//EndAction can be called from anywhere.
		protected override void OnExecute() {
			foreach (Collider target in targets.value) {
				if (target.GetComponent<IDamageable>() == null) {
					if (damageSource.value.source != null) {
						Debug.LogError($"Target {target.name} cannot be dealt damage as it does not implement the IDamageable interface. It was attempted an attack by {damageSource.value.source}");	
					} else {
						Debug.LogError($"Target {target.name} cannot be dealt damage as it does not implement the IDamageable interface. This attack has no source.");
					}
					
					continue;
				}
				target.GetComponent<IDamageable>().TakeDamage(damageSource.value);
			}
			
			EndAction(true);
		}

		//Called once per frame while the action is active.
		protected override void OnUpdate() {
			
		}

		//Called when the task is disabled.
		protected override void OnStop() {
			
		}

		//Called when the task is paused.
		protected override void OnPause() {
			
		}
	}
}