using UnityEngine;
using UnityEngine.XR.Interaction.Toolkit;
using UnityEngine.XR.Interaction.Toolkit.Interactables;

public class CoinPickup : MonoBehaviour
{
    [Header("Coin Setting")]
    public int coinValue = 1;

    [Header("Visual Spin")]
    public Transform visualRoot;
    public bool rotate = true;
    public float rotateSpeed = 180f;

    [Tooltip("°ÔÀÓ ÄÚÀÎó·³ ¼¼·Î·Î ºù±Ûºù±Û µ¹ ¶§ º¸Åë YÃà")]
    public Vector3 rotateAxis = Vector3.up;

    [Header("Float Motion")]
    public bool floatMotion = true;
    public float floatHeight = 0.08f;
    public float floatSpeed = 2f;

    [Header("Sound")]
    public AudioSource pickupSound;

    private bool isCollected = false;
    private Vector3 startPosition;
    private XRSimpleInteractable simpleInteractable;

    void Awake()
    {
        simpleInteractable = GetComponent<XRSimpleInteractable>();

        if (simpleInteractable != null)
        {
            simpleInteractable.selectEntered.AddListener(OnSelected);
        }
        else
        {
            Debug.LogWarning("XRSimpleInteractable not found on coin.");
        }

        if (visualRoot == null)
        {
            visualRoot = transform;
        }
    }

    void OnDestroy()
    {
        if (simpleInteractable != null)
        {
            simpleInteractable.selectEntered.RemoveListener(OnSelected);
        }
    }

    void Start()
    {
        startPosition = transform.position;
    }

    void Update()
    {
        if (isCollected)
        {
            return;
        }

        if (rotate && visualRoot != null)
        {
            visualRoot.Rotate(rotateAxis.normalized, rotateSpeed * Time.deltaTime, Space.Self);
        }

        if (floatMotion)
        {
            float yOffset = Mathf.Sin(Time.time * floatSpeed) * floatHeight;
            transform.position = startPosition + new Vector3(0f, yOffset, 0f);
        }
    }

    private void OnSelected(SelectEnterEventArgs args)
    {
        Debug.Log("Coin selected by XR Simple Interactable.");
        CollectCoin();
    }

    public void CollectCoin()
    {
        if (isCollected)
        {
            return;
        }

        isCollected = true;

        Debug.Log("CollectCoin called.");

        if (CoinManager.Instance != null)
        {
            CoinManager.Instance.AddCoin(coinValue);
        }
        else
        {
            Debug.LogWarning("CoinManager not found.");
        }

        HideCoinImmediately();

        if (pickupSound != null && pickupSound.clip != null)
        {
            pickupSound.transform.parent = null;
            pickupSound.Play();
            Destroy(pickupSound.gameObject, pickupSound.clip.length);
        }

        Destroy(gameObject);
    }

    void HideCoinImmediately()
    {
        MeshRenderer[] renderers = GetComponentsInChildren<MeshRenderer>();
        foreach (MeshRenderer renderer in renderers)
        {
            renderer.enabled = false;
        }

        Collider[] colliders = GetComponentsInChildren<Collider>();
        foreach (Collider collider in colliders)
        {
            collider.enabled = false;
        }

        Rigidbody rb = GetComponent<Rigidbody>();
        if (rb != null)
        {
            rb.isKinematic = true;
            rb.useGravity = false;
        }

        if (simpleInteractable != null)
        {
            simpleInteractable.enabled = false;
        }
    }
}