using UnityEngine;
using Unheimlich.Core.Events;

namespace Unheimlich.Features.Hallucination
{
    /// <summary>
    /// Self-contained zone that triggers a hallucination effect when the player enters.
    /// Ghost-word spawn removed — words live on FloatingLabel components in the scene.
    /// SetEvent() lets InfiniteStaircaseController inject the right event per slot at runtime.
    /// </summary>
    public class HallucinationTriggerZone : TriggerZoneBase
    {
        [Header("Zone Behaviour")]
        [SerializeField] private bool  _retriggerable = false;
        [SerializeField] private float _delay         = 0f;

        [Header("Sanity")]
        [Tooltip("Insanity added when the zone fires, on top of any SanityCost on the event.")]
        [SerializeField, Range(0f, 1f)] private float _insanityAmount = 0f;

        [Header("Hallucination Event")]
        [Tooltip("Overridable at runtime via SetEvent().")]
        [SerializeField] private HallucinationEvent _hallucinationEvent;

        [Header("Debug")]
        [SerializeField] private bool _debugMode;

        protected override bool IsRetriggerable => _retriggerable;

        protected override void OnPlayerEntered(Collider playerCollider)
        {
            if (_delay > 0f) Invoke(nameof(Fire), _delay);
            else             Fire();
        }

        /// <summary>Overrides the event at runtime. Pass null to disable.</summary>
        public void SetEvent(HallucinationEvent hallucinationEvent) =>
            _hallucinationEvent = hallucinationEvent;

        /// <summary>Fires the hallucination. Can be called from external scripts or UnityEvents.</summary>
        public void Fire()
        {
            if (HallucinationManager.Instance == null)
            {
                Debug.LogError("[HallucinationTriggerZone] HallucinationManager not found!", this);
                return;
            }

            if (_insanityAmount > 0f)
            {
                HallucinationManager.Instance.AddInsanity(_insanityAmount);
                if (_debugMode) Debug.Log($"[HallucinationTriggerZone] +{_insanityAmount:F2} insanity.", this);
            }

            if (_hallucinationEvent != null)
            {
                HallucinationManager.Instance.TriggerHallucinationEvent(_hallucinationEvent);
                if (_debugMode) Debug.Log($"[HallucinationTriggerZone] Event: {_hallucinationEvent.Label}", this);
            }
            else if (_debugMode)
            {
                Debug.Log($"[HallucinationTriggerZone] No event on '{gameObject.name}'.", this);
            }
        }
    }
}