using System.Collections;
using UnityEngine;
using Invector;

namespace Beyond
{
    [CreateAssetMenu(menuName = "Magic/Spells/Projectile Spell")]
    public class ProjectileSpell : SpellDefinition
    {
        [Header("Projectile Settings")]
        public GameObject projectilePrefab;
        public float spawnDelay = 0.2f; // Sync with animation hand throw
        public float lifeTime = 5f;
        public float aimHeightOffset = 1.0f;

        public override void Cast(MagicAttacks caster, Transform target)
        {
            caster.StartCoroutine(CastRoutine(caster, target));
        }

        private IEnumerator CastRoutine(MagicAttacks caster, Transform target)
        {
            // 1. Rotate
            yield return caster.RotateTowardsTargetRoutine(target, rotationDuration);

            // 2. Wait for animation point
            yield return new WaitForSeconds(Mathf.Max(0, spawnDelay - rotationDuration));

            // 3. Spawn
            Vector3 spawnPos = caster.transform.position + caster.transform.forward + Vector3.up * 1.5f;
            GameObject obj = Instantiate(projectilePrefab, spawnPos, caster.transform.rotation);
            
            // 4. Aim
            if (target != null)
            {
                Vector3 aimDir = (target.position + Vector3.up * aimHeightOffset) - spawnPos;
                obj.transform.rotation = Quaternion.LookRotation(aimDir);
            }

            // 5. Apply Modifiers
            caster.ApplyDamageModifiers(obj);

            Destroy(obj, lifeTime);
        }
    }
}