// ============================================================================
// 4. COMMON RUNTIME BEHAVIORS - Your Legendary Item Effects!
// ============================================================================

using UnityEngine;

public class ExplodeOnHitBehavior : RuntimeBehavior
{
    public GameObject explosionPrefab;
    public float explosionRadius = 5f;
    public float explosionDamage = 30f;
    public LayerMask targetLayers = -1;

    public ExplodeOnHitBehavior()
    {
        Trigger = BehaviorTrigger.OnHit;
        BehaviorName = "Explode on Hit";
    }

    public override void Execute(RuntimeAbilityInstance ability, Taggable user, Transform target, Vector3 point)
    {
        Vector3 explosionPoint = target != null ? target.position : point;

        // Spawn explosion visual if prefab exists
        if (explosionPrefab != null)
        {
            Object.Instantiate(explosionPrefab, explosionPoint, Quaternion.identity);
        }

        // Find targets in explosion radius
        var colliders = Physics.OverlapSphere(explosionPoint, explosionRadius, targetLayers);

        foreach (var collider in colliders)
        {
            var explosionTarget = collider.GetComponent<Taggable>();
            if (explosionTarget != null && explosionTarget != user)
            {
                // Apply explosion damage
                var health = explosionTarget.GetComponent<Health>();
                if (health != null)
                {
                    health.ChangeValue(-explosionDamage);
                }
            }
        }
    }

    public override RuntimeBehavior Clone()
    {
        return new ExplodeOnHitBehavior
        {
            explosionPrefab = this.explosionPrefab,
            explosionRadius = this.explosionRadius,
            explosionDamage = this.explosionDamage,
            targetLayers = this.targetLayers
        };
    }
}