using UnityEngine;

public class TunnelNode : MonoBehaviour, IInteractable
{
    public TunnelNode connectedNode;
    public TunnelNode otherEndOfThisSegment;
    public float detectionRadius = 0.5f;
    public LayerMask tunnelLayer;

    // --- IInteractable 구현부 ---
    public void Interact(GameObject user)
    {
        // 상호작용한 플레이어의 TunnelTraveler를 찾아 이동 시작!
        TunnelTraveler traveler = user.GetComponent<TunnelTraveler>();
        if (traveler != null)
        {
            traveler.StartTravel(this);
        }
    }

    public string GetInteractionText()
    {
        return "통로 진입";
    }
    // ----------------------------

    void Start() => FindNeighborNode();

    public void FindNeighborNode()
    {
        Collider[] colliders = Physics.OverlapSphere(transform.position, detectionRadius, tunnelLayer);
        foreach (var col in colliders)
        {
            TunnelNode neighbor = col.GetComponent<TunnelNode>();
            if (neighbor != null && neighbor != this && neighbor != otherEndOfThisSegment)
            {
                connectedNode = neighbor;
                break;
            }
        }
    }
}