using UnityEngine;

[CreateAssetMenu(menuName = "Abilities/Fireball")]
public class FireballAbility : Ability
{
    public GameObject projectilePrefab;
    public float speed = 22f;
    public float damage = 20f;
    public float lifeTime = 4f;

    public override void Activate(AbilityUser user)
    {
        if (!user || !projectilePrefab) return;

        // 1) Figure out an aim direction that includes camera pitch
        // Try to use an "aim camera" on the user if you have one; otherwise Camera.main.
        Camera cam = null;
        if (Polyart.FirstPersonController.instance)
            cam = Polyart.FirstPersonController.instance.PlayerCamera;
        if (!cam) cam = Camera.main;


        Vector3 castPos = user.CastPos();
        Vector3 dir = user.Forward(); // safe fallback

        if (cam)
        {
            // Ray from camera forward
            Ray ray = new Ray(cam.transform.position, cam.transform.forward);

            // If we hit something, aim at that point; otherwise aim far away
            Vector3 targetPoint;
            if (Physics.Raycast(ray, out RaycastHit hit, 1000f, ~0, QueryTriggerInteraction.Ignore))
                targetPoint = hit.point;
            else
                targetPoint = ray.origin + ray.direction * 1000f;

            dir = (targetPoint - castPos).normalized;
        }

        // 2) Spawn & orient the projectile along that 3D direction
        var go = Instantiate(projectilePrefab, castPos, Quaternion.LookRotation(dir));

        // 3) Give it velocity along the aimed direction
        var rb = go.GetComponent<Rigidbody>();
        if (rb)
        {
            rb.velocity = dir * speed;               // or: rb.AddForce(dir * speed, ForceMode.VelocityChange);
            rb.useGravity = false;                   // optional: keep straight flight
            rb.collisionDetectionMode = CollisionDetectionMode.Continuous; // nicer for fast shots
        }

        // 4) Damage component (unchanged)
        var dmg = go.GetComponent<ProjectileDamage>();
        if (!dmg) dmg = go.AddComponent<ProjectileDamage>();
        dmg.damage = damage;

        Destroy(go, lifeTime);
    }

}