using UnityEngine;

[RequireComponent(typeof(Collider))]
public class Skywalker_FanLauncher : MonoBehaviour
{
    [Header("Fan Settings")]
    public float hoverHeight = 5f;      // world Y position where player should hover
    public float ascendSpeed = 5f;      // how fast the player rises to hoverHeight
    public float hoverDamp = 0.1f;      // how smoothly velocity damps near hover
    public bool debugGizmo = true;

    private bool playerInside = false;

    void Reset()
    {
        Collider col = GetComponent<Collider>();
        if (col != null)
            col.isTrigger = true;
    }

    void OnTriggerEnter(Collider col)
    {
        if (col.CompareTag("Player"))
        {
            Rigidbody rb = col.attachedRigidbody;
            if (rb != null)
            {
                rb.useGravity = false; // disable gravity inside fan
                playerInside = true;
            }
        }
    }

    void OnTriggerStay(Collider col)
    {
        if (col.CompareTag("Player"))
        {
            Rigidbody rb = col.attachedRigidbody;
            if (rb != null)
            {
                Vector3 vel = rb.velocity;

                // If below hover height → push upward
                if (rb.position.y < hoverHeight - 0.2f)
                {
                    vel.y = ascendSpeed;
                }
                // If at/above hover height → damp velocity to hover
                else
                {
                    vel.y = Mathf.Lerp(vel.y, 0f, hoverDamp);
                    rb.position = new Vector3(rb.position.x, Mathf.Lerp(rb.position.y, hoverHeight, 0.05f), rb.position.z);
                }

                rb.velocity = vel;
            }
        }
    }

    void OnTriggerExit(Collider col)
    {
        if (col.CompareTag("Player"))
        {
            Rigidbody rb = col.attachedRigidbody;
            if (rb != null)
            {
                rb.useGravity = true; // restore normal gravity
                playerInside = false;
            }
        }
    }

    void OnDrawGizmos()
    {
        if (!debugGizmo) return;

        Gizmos.color = Color.green;
        Gizmos.DrawWireCube(transform.position, GetComponent<Collider>().bounds.size);

        // Draw hover height line
        Gizmos.color = Color.yellow;
        Gizmos.DrawLine(new Vector3(transform.position.x - 2, hoverHeight, transform.position.z),
                        new Vector3(transform.position.x + 2, hoverHeight, transform.position.z));
    }
}