using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using BITKit;
using BITKit.Tween;
using Net.Project.B.NodeCanvas;
using UnityEngine;
using UnityEngine.UI;
using Vuplex.WebView;
using Keyboard = UnityEngine.InputSystem.Keyboard;


namespace Net.Like.Xue.Tokyo
{
    public class WebViewController : MonoBehaviour
    {
        [SerializeField] private Canvas canvas;
        [SerializeField] private RectTransform rectTransform;
        [SerializeField] private CanvasWebViewPrefab canvasWebViewPrefab;

        [SerializeField] private Button homeButton;
        [SerializeField] private Button returnButton;
        
        private readonly ValidHandle _allow = new();

        private CancellationTokenSource _cancellationTokenSource = new();
        
        private async void Start()
        {
            _allow.AddListener(OnAllow);
            canvas.enabled = false;

            await canvasWebViewPrefab.WaitUntilInitialized();
            canvasWebViewPrefab.WebView.UrlChanged += UrlChanged;

            homeButton.onClick.AddListener(OnHome);
            returnButton.onClick.AddListener(OnReturn);
        }

        private void OnReturn()
        {
            canvasWebViewPrefab.WebView.GoBack();
        }

        private void OnHome()
        {
            canvasWebViewPrefab.WebView?.LoadUrl(canvasWebViewPrefab.InitialUrl);
        }

        private void UrlChanged(object sender, UrlChangedEventArgs e)
        {
            
        }
        

        private async void OnAllow(bool obj)
        {
            //BITAppForUnity.AllowCursor.SetElements(this,obj);
            //BITInputSystem.AllowInput.SetDisableElements(this,obj);
            
            _cancellationTokenSource?.Cancel();
            _cancellationTokenSource = new();
            if (obj)
            {
                OnHome();
                
                canvas.enabled = true;
                await BITween.Lerp(x => rectTransform.localScale = new Vector3(x, x, x), 0f, 1f, 1f,Mathf.LerpAngle,_cancellationTokenSource.Token);
            }
            else
            {
                await BITween.Lerp(x => rectTransform.localScale = new Vector3(x, x, x), 1f, 0f, 0.16f,Mathf.LerpAngle,_cancellationTokenSource.Token);
                canvas.enabled = false;
            }
        }

        private void Update()
        {
            if (Keyboard.current is { upArrowKey: { wasPressedThisFrame: true } })
            {
                _allow.SetElements(this,!_allow.Allow);
            }
        }
    }
}