using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace BlockSpace.Voxels
{
	[DisallowMultipleComponent]
	public sealed class BrowserButton : MonoBehaviour
	{
		private const float ButtonPressCooldown = 0.2f;

		private const float ButtonShrinkDuration = 0.08f;

		private const float ButtonSettleDuration = 0.12f;

		private const float ButtonPressedScale = 0.84f;

		private const float ButtonOvershootScale = 1.04f;

		private const string ButtonThockResourcePath = "Thock";

		[Header("Button")]
		[SerializeField]
		private Collider buttonCollider;

		[SerializeField]
		private VRVoxelBrush voxelBrush;

		[Header("Browser Login")]
		[SerializeField]
		private string loginUrl = "https://example.com/login";

		[Header("Audio")]
		[SerializeField]
		private AudioClip buttonThockClip;

		private readonly Dictionary<Transform, Vector3> buttonBaseScales = new Dictionary<Transform, Vector3>();

		private readonly Dictionary<Transform, Coroutine> buttonAnimationCoroutines = new Dictionary<Transform, Coroutine>();

		private bool insidePrevious;

		private float nextButtonPressTime;

		private void Awake()
		{
			ResolveReferences();
			EnsureButtonAudioAssigned();
		}

		private void OnDisable()
		{
			StopAllCoroutines();
			ResetAllButtonScales();
		}

		private void Update()
		{
			ResolveReferences();
			HandleButton();
		}

		private void ResolveReferences()
		{
			if (buttonCollider == null)
			{
				buttonCollider = GetComponent<Collider>();
			}
			if (voxelBrush == null)
			{
				voxelBrush = ((VRVoxelBrush.Instance != null) ? VRVoxelBrush.Instance : Object.FindObjectOfType<VRVoxelBrush>());
			}
		}

		private void HandleButton()
		{
			bool flag = IsHandInside(buttonCollider, (voxelBrush != null) ? voxelBrush.LeftHandAnchor : null) || IsHandInside(buttonCollider, (voxelBrush != null) ? voxelBrush.RightHandAnchor : null);
			if (flag && !insidePrevious)
			{
				PlayButtonEnterAnimation(buttonCollider);
				if (Time.unscaledTime >= nextButtonPressTime)
				{
					nextButtonPressTime = Time.unscaledTime + 0.2f;
					PlayButtonClickFeedback(buttonCollider);
					OpenLoginUrl();
				}
			}
			insidePrevious = flag;
		}

		private void OpenLoginUrl()
		{
			if (string.IsNullOrWhiteSpace(loginUrl))
			{
				Debug.LogWarning("[BrowserLoginButton] Login URL is empty.");
			}
			else
			{
				Application.OpenURL(loginUrl);
			}
		}

		private void PlayButtonEnterAnimation(Collider button)
		{
			if (!(button == null))
			{
				Transform transform = button.transform;
				if (!buttonBaseScales.TryGetValue(transform, out var value))
				{
					value = transform.localScale;
					buttonBaseScales.Add(transform, value);
				}
				if (buttonAnimationCoroutines.TryGetValue(transform, out var value2) && value2 != null)
				{
					StopCoroutine(value2);
				}
				transform.localScale = value;
				buttonAnimationCoroutines[transform] = StartCoroutine(AnimateButtonScale(transform, value));
			}
		}

		private void PlayButtonClickFeedback(Collider button)
		{
			if (!(buttonThockClip == null) && !(button == null))
			{
				AudioSource.PlayClipAtPoint(buttonThockClip, button.bounds.center, 1f);
			}
		}

		private IEnumerator AnimateButtonScale(Transform buttonTransform, Vector3 baseScale)
		{
			Vector3 pressedScale = baseScale * 0.84f;
			Vector3 overshootScale = baseScale * 1.04f;
			float elapsed = 0f;
			while (elapsed < 0.08f)
			{
				if (buttonTransform == null)
				{
					yield break;
				}
				elapsed += Time.unscaledDeltaTime;
				float t = Mathf.Clamp01(elapsed / 0.08f);
				buttonTransform.localScale = Vector3.LerpUnclamped(baseScale, pressedScale, t);
				yield return null;
			}
			elapsed = 0f;
			while (elapsed < 0.12f)
			{
				if (buttonTransform == null)
				{
					yield break;
				}
				elapsed += Time.unscaledDeltaTime;
				float num = Mathf.Clamp01(elapsed / 0.12f);
				float num2 = num * num * (3f - 2f * num);
				Vector3 localScale = ((num2 < 0.5f) ? Vector3.LerpUnclamped(pressedScale, overshootScale, num2 / 0.5f) : Vector3.LerpUnclamped(overshootScale, baseScale, (num2 - 0.5f) / 0.5f));
				buttonTransform.localScale = localScale;
				yield return null;
			}
			if (buttonTransform != null)
			{
				buttonTransform.localScale = baseScale;
				buttonAnimationCoroutines[buttonTransform] = null;
			}
		}

		private void ResetAllButtonScales()
		{
			foreach (KeyValuePair<Transform, Vector3> buttonBaseScale in buttonBaseScales)
			{
				if (buttonBaseScale.Key != null)
				{
					buttonBaseScale.Key.localScale = buttonBaseScale.Value;
				}
			}
			buttonAnimationCoroutines.Clear();
		}

		private void EnsureButtonAudioAssigned()
		{
			if (buttonThockClip == null)
			{
				buttonThockClip = Resources.Load<AudioClip>("Thock");
			}
		}

		private static bool IsHandInside(Collider button, Transform handAnchor)
		{
			if (button == null || handAnchor == null)
			{
				return false;
			}
			Vector3 position = handAnchor.position;
			return (button.ClosestPoint(position) - position).sqrMagnitude <= 1E-06f;
		}
	}
}