using UnityEngine;

public class InfiniteStairs : MonoBehaviour
{
    [Header("Settings")]
    [Tooltip("How many times must they climb before the loop breaks?")]
    public int loopsRequired = 3; 
    
    [Tooltip("Drag an empty GameObject here. Position it lower down the stairs.")]
    public Transform resetPoint; 

    private int currentLoops = 0;

    void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("Player"))
        {
            // Only loop if we haven't finished the required cycles
            if (currentLoops < loopsRequired)
            {
                // 1. Calculate the offset
                // This ensures if they enter the trigger on the left side, 
                // they appear on the left side at the bottom (smooth transition)
                Vector3 offset = other.transform.position - transform.position;

                // 2. Teleport
                // We keep their Rotation exactly the same, only changing Position
                CharacterController cc = other.GetComponent<CharacterController>();
                
                // You must disable CC briefly to teleport, or it sometimes fights back
                if (cc != null) cc.enabled = false;
                
                other.transform.position = resetPoint.position + offset;
                
                if (cc != null) cc.enabled = true;

                // 3. Increment Loop
                currentLoops++;
                Debug.Log($"Stair Loop: {currentLoops} / {loopsRequired}");
            }
            else
            {
                // Loop finished - Disable this trigger so they can pass
                Debug.Log("Loop broken. Player can proceed.");
                gameObject.SetActive(false);
            }
        }
    }
}