using UnityEngine;

namespace Unheimlich.World.Environment
{
    /// <summary>
    /// Placed on the trigger child of an <see cref="InfiniteStaircaseController"/>.
    /// Forwards Player trigger enter / exit events to the parent controller.
    /// </summary>
    [RequireComponent(typeof(Collider))]
    public class StaircaseTriggerZone : MonoBehaviour
    {
        private const string PlayerTag = "Player";

        private InfiniteStaircaseController _controller;

        private void Awake()
        {
            _controller = GetComponentInParent<InfiniteStaircaseController>();

            if (_controller == null)
                Debug.LogWarning($"[StaircaseTriggerZone] No InfiniteStaircaseController found in parent of '{name}'.", this);
        }

        private void OnTriggerEnter(Collider other)
        {
            if (_controller == null) return;
            if (!other.CompareTag(PlayerTag)) return;

            _controller.OnPlayerEnteredTrigger();
        }

        private void OnTriggerExit(Collider other)
        {
            if (_controller == null) return;
            if (!other.CompareTag(PlayerTag)) return;

            _controller.OnPlayerExitedTrigger();
        }
    }
}