using NodeCanvas.Framework;
using ParadoxNotion.Design;
using Pathfinding;
using UnityEngine;


namespace Reset.Units {

	[Category("Reset/Pathfinding")]
	[Description("Set the agent's current path to a wandering path.")]
	public class SetWanderingPath : ActionTask<UnitPathfinding> {

		//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(){
			Enemy thisEnemy = agent.Unit as Enemy;
			Vector3 pathTargetPos = agent.transform.position;

			if (thisEnemy.relatedSpawner) {
				pathTargetPos = thisEnemy.relatedSpawner.transform.position;
			}

			Vector3 randomizedDestination = new Vector3(
				Random.Range(-thisEnemy.relatedSpawner.radius, thisEnemy.relatedSpawner.radius),
				0f,
				Random.Range(-thisEnemy.relatedSpawner.radius, thisEnemy.relatedSpawner.radius)
			);

			pathTargetPos += randomizedDestination;

			agent.seeker.StartPath(agent.transform.position, pathTargetPos, OnPathComplete);
			
			EndAction(true);
		}
		
		public void OnPathComplete(Path p){
			if (!p.error) {
				agent.AssignNewPath(p);
			}
		}

		//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() {
			
		}
	}
}