using DG.Tweening;
using UnityEngine;
using UnityEngine.XR.Interaction.Toolkit;

public class Printer3DInputHole : MonoBehaviour
{
    public delegate void OnPlayerInsertedPrintableDelegate();
    public event OnPlayerInsertedPrintableDelegate OnPlayerInsertedPrintable;

    public Printer3D printer;
    public XRInteractionManager interactionManager;
    public Transform insertionOrigin;
    public Transform insertionDestination;
    public float insertionDuration = 1f;

    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    private void OnTriggerEnter(Collider other)
    {
        Debug.Log(other.gameObject.name);
        Transform parent = other.transform.parent;
        if (parent != null) {
            Printable printable = parent.GetComponent<Printable>();
            if (printable != null)
            {
                if (printer.IsPrinting())
                {
                    Debug.Log("priner is busy!");
                } else
                {
                    ReleaseFromPlayer(printable);
                    InsertPrintable(printable);
                    OnPlayerInsertedPrintable?.Invoke();
                } 
            }
        }
    }

    private void ReleaseFromPlayer(Printable printable)
    {

        var grab = printable.GetComponent<XRGrabInteractable>();
        var rb = printable.GetComponent<Rigidbody>();

        // 1) If currently held, force release from the interactor
        if (grab != null && grab.isSelected)
        {
            var interactor = grab.firstInteractorSelecting; // the hand/controller currently holding it
            if (interactor != null)
            {
                // Transfer ownership: tell the manager to stop the selection
                interactionManager.SelectExit(interactor, grab);
            }
        }

        // 2) Make sure physics doesn't fight the tween (optional but recommended)
        if (rb != null)
        {
            rb.isKinematic = true;
        }

        // 3) Optionally disable grabbing during the tween so the player can't re-grab mid-flight
        if (grab != null) grab.enabled = false;
    }

    private void InsertPrintable(Printable printable)
    {
        Transform printableTransform = printable.transform;
        printableTransform.position = insertionOrigin.position;
        printableTransform.rotation = insertionOrigin.rotation;
        printableTransform.DOMove(insertionDestination.position, insertionDuration).OnComplete(() =>
        {
            printer.PrintObject(printable.GetTexture());
            Destroy(printable.gameObject);
        });
    }
}