using UnityEngine;

[RequireComponent(typeof(Animator))]
[RequireComponent(typeof(SphereCollider))]
public abstract class AEnemy : MonoBehaviour
{
    [SerializeField] private float _viewDistance = default;
    protected float ViewDistance => _viewDistance;
    [SerializeField] private float _viewAngle = default;
    protected float ViewAngle => _viewAngle;

    [SerializeField] private int _startingLife = default;
    protected int life = default;

    [SerializeField] private Light _light = default;

    protected Animator animator = default;

    public abstract void OnDamaged();
    public abstract void Die();
    public abstract void OnAlert();
    public abstract void OnBait();

    protected abstract void OnViewZombie(AZombie zombie);

    protected void Start()
    {
        life = _startingLife;

        _light.range = ViewDistance;
        _light.spotAngle = ViewAngle;

        animator = GetComponent<Animator>();

        var sc = GetComponent<SphereCollider>();
        Debug.Log($"Sphere Collider: {sc}");
        sc.radius = ViewDistance;
    }

    protected void OnTriggerStay(Collider other)
    {
        AZombie zombie = other.transform.GetComponent<AZombie>();
        if (zombie == null)
            return;
        Vector3 distanceVector = zombie.transform.position - transform.position;
        if (!Physics.Raycast(transform.position, distanceVector, out RaycastHit hit, ViewDistance))
            return;
        if (hit.transform.GetComponent<AZombie>() == null)
            return;
        OnViewZombie(zombie);
    }
}