using System;
using AI.FSM;
using Unity.Behavior;
using UnityEngine;
using Action = Unity.Behavior.Action;
using Unity.Properties;

[Serializable, GeneratePropertyBag]
[NodeDescription(name: "Find By Raycast", story: "Find [Target] by Raycast from [Agent]", category: "Action/Find", id: "4485803bf98219ce319c3000d6f8e6bf")]
public partial class FindByRaycastAction : Action
{
    [SerializeReference] public BlackboardVariable<GameObject> Target;
    [SerializeReference] public BlackboardVariable<GameObject> Agent;
    [SerializeReference] public BlackboardVariable<float> MaxDistance = new(10.0f);

    protected override Status OnStart()
    {
        // initialize action here
        
        // test for valid variables
        if (Agent.Value == null) return Status.Failure;
        
        return Status.Running;
    }

    protected override Status OnUpdate()
    {
        Target.Value = null;
        
        RaycastHit hit;
        if (!Physics.Raycast(Agent.Value.transform.position, Agent.Value.transform.forward, out hit,
                MaxDistance))
        {
            return Status.Failure;
        }
            
        PlayerController playerController = hit.collider.GetComponent<PlayerController>();
        if (!playerController) return Status.Failure;
        
        Target.Value = playerController.gameObject;
        return Status.Success;
    }

    protected override void OnEnd()
    {
        // deinitialize action here
    }
}