using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Events;

public class Grabbable : MonoBehaviour
{
	protected Rigidbody rb;
	protected Collider collider;

	bool wasCollecting = false;
	bool smoothing = false;
	bool lockSmoothing = false;
	bool interactedWith = false;

	public virtual void OnPlayerCollect() { }

	private void Awake()
	{
		collider = GetComponent<Collider>();
		rb = GetComponent<Rigidbody>();
	}

	void Update()
	{
		if (!Player.Instance) return;

		if (Vector3.Distance(transform.position, Player.Instance.CustardAnchor.position) < 0.5f || lockSmoothing)
			smoothing = false;
		else
			smoothing = true;

		bool playerCollecting = Player.Instance.collecting && Player.Instance.InRangeForCollectGrab(gameObject);

		if (playerCollecting) {
			if (Player.Instance.Collecting == null)
				Player.Instance.Collecting = transform;
		} else
		{
			if (Player.Instance.Collecting == transform)
				Player.Instance.Collecting = null;
		}

		if (Player.Instance.Collecting == transform)
		{
			if (!smoothing)
				lockSmoothing = true;

			wasCollecting = true;
			interactedWith = true;

			transform.position = Vector3.Lerp(transform.position, Player.Instance.CustardAnchor.position, (smoothing) ? Time.deltaTime * 10f : 1);
			transform.rotation = Quaternion.Lerp(transform.rotation, Player.Instance.CustardAnchor.rotation, (smoothing) ? Time.deltaTime * 10f : 1);

			collider.enabled = false;
			rb.isKinematic = true;
		}
		else
		{
			lockSmoothing = false;

			if (wasCollecting)
			{
				if (Player.Instance.InRangeForCollect(gameObject))
					OnPlayerCollect();
			}
			wasCollecting = false;

			collider.enabled = true;
			if (interactedWith)
				rb.isKinematic = false;
		}
	}

	private void OnDrawGizmos()
	{
		if (!Player.Instance) return;

		Gizmos.color = Color.pink;
		Gizmos.DrawWireSphere(transform.position, Player.Instance.CollectGrabRange);
		Gizmos.color = Color.white;
	}
}