using OTG.Lab06.Abilities;
using UnityEngine;

namespace OTG.Lab06.Effects
{
    public sealed class BlinkEffect : AbilityEffect
    {
        [SerializeField] private float obstaclePadding = 0.8f;
        [SerializeField] private LayerMask obstacleMask = ~0;
        [SerializeField] private float visualLifetime = 0.8f;

        public override void Activate(AbilityCastContext context)
        {
            Vector3 start = context.Caster.position;
            Vector3 direction = context.Forward;
            float distance = Mathf.Max(0.1f, context.Ability.castRange);
            Vector3 target = start + direction * distance;
            CharacterController controller = context.Caster.GetComponent<CharacterController>();

            if (controller != null)
            {
                controller.enabled = false;
            }

            if (Physics.SphereCast(start + Vector3.up, 0.45f, direction, out RaycastHit hit, distance, obstacleMask, QueryTriggerInteraction.Ignore))
            {
                target = hit.point - direction * obstaclePadding;
                target.y = start.y;
            }

            context.Caster.position = target;

            if (controller != null)
            {
                controller.enabled = true;
            }

            transform.position = target + Vector3.up * 0.05f;
            Destroy(gameObject, visualLifetime);
        }
    }
}