using RaceFields.Damage;
using RaceFields.Damage.VehicleDamage;
using UnityEngine;

public sealed class BulletProjectile : MonoBehaviour
{
    [SerializeField] private float damage = 8f;
    [SerializeField] private float impactForce = 25f;
    [SerializeField] private float lifeTime = 2.5f;

    private Transform ownerRoot;
    private Rigidbody body;
    private bool hasHit;

    private void Awake()
    {
        body = GetComponent<Rigidbody>();
    }

private void OnEnable()
    {
        hasHit = false;
    }

public void Launch(Vector3 velocity, float shotDamage, float shotLifeTime, Transform owner)
    {
        damage = shotDamage;
        lifeTime = Mathf.Max(0.05f, shotLifeTime);
        ownerRoot = owner != null ? owner.root : null;

        if (body == null)
            body = GetComponent<Rigidbody>();

        if (body != null)
            body.linearVelocity = velocity;

        Destroy(gameObject, lifeTime);
    }

    private void OnCollisionEnter(Collision collision)
    {
        if (collision.collider == null)
            return;

        Vector3 point = collision.contactCount > 0 ? collision.GetContact(0).point : transform.position;
        HandleHit(collision.collider, point, body != null ? body.linearVelocity.normalized : transform.forward, collision.rigidbody);
    }

    private void OnTriggerEnter(Collider other)
    {
        HandleHit(other, transform.position, body != null ? body.linearVelocity.normalized : transform.forward, other.attachedRigidbody);
    }

    private void HandleHit(Collider hitCollider, Vector3 point, Vector3 direction, Rigidbody hitBody)
    {
        if (hasHit || hitCollider == null)
            return;

        if (ownerRoot != null && hitCollider.transform.root == ownerRoot)
            return;

        hasHit = true;

        DamageHitbox hitbox = hitCollider.GetComponentInParent<DamageHitbox>();
        if (hitbox != null)
        {
            hitbox.ApplyDamage(new DamageHit(damage, DamageType.Projectile, point, direction, gameObject));
        }
        else
        {
            SimpleDamageReceiver damageReceiver = hitCollider.GetComponentInParent<SimpleDamageReceiver>();
            if (damageReceiver != null)
                damageReceiver.ApplyDamage(damage, point, direction, gameObject);
        }

        if (hitBody != null && (ownerRoot == null || hitBody.transform.root != ownerRoot))
            hitBody.AddForceAtPosition(direction * impactForce, point, ForceMode.Impulse);

        Destroy(gameObject);
    }
}