using BBWY.Common.Models;
using Microsoft.Web.WebView2.Core;
using Microsoft.Web.WebView2.Wpf;
using System;
using System.Diagnostics;
using System.Reflection;
using io = System.IO;

namespace BBWY.Client
{
    public class WebView2Manager : IDenpendency
    {
        public WebView2 wb2 { get; private set; }
        private bool isInitializationCompleted;

        public WebView2Manager()
        {
            wb2 = new WebView2();
            var wb2Setting = CoreWebView2Environment.CreateAsync(userDataFolder: io.Path.Combine(io.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "WebView2UserData")).Result;
            wb2.EnsureCoreWebView2Async(wb2Setting);
            wb2.CoreWebView2InitializationCompleted += Wb2_CoreWebView2InitializationCompleted;
            wb2.NavigationCompleted += Wb2_NavigationCompleted;
            wb2.WebMessageReceived += Wb2_WebMessageReceived;
        }

        public Action<CoreWebView2WebMessageReceivedEventArgs> OnWebMessageReceived;
        public Action<CoreWebView2NavigationCompletedEventArgs> OnNavigationCompleted;
        public Action<CoreWebView2InitializationCompletedEventArgs> CoreWebView2InitializationCompleted;
        public bool IsInitializationCompleted { get => isInitializationCompleted; }

        private void Wb2_WebMessageReceived(object sender, CoreWebView2WebMessageReceivedEventArgs e)
        {
            OnWebMessageReceived?.Invoke(e);
        }

        private void Wb2_NavigationCompleted(object sender, CoreWebView2NavigationCompletedEventArgs e)
        {
            OnNavigationCompleted?.Invoke(e);
        }

        private void Wb2_CoreWebView2InitializationCompleted(object sender, CoreWebView2InitializationCompletedEventArgs e)
        {
            CoreWebView2InitializationCompleted?.Invoke(e);
            isInitializationCompleted = true;
        }

        public void Close()
        {
            if (wb2 != null && wb2.CoreWebView2 != null)
            {
                wb2.CoreWebView2InitializationCompleted -= Wb2_CoreWebView2InitializationCompleted;
                wb2.NavigationCompleted -= Wb2_NavigationCompleted;
                wb2.WebMessageReceived -= Wb2_WebMessageReceived;
                var udf = wb2.CoreWebView2.Environment.UserDataFolder;
                wb2.Dispose();
                try
                {
                    io.Directory.Delete(udf, true);
                }
                catch { }
            }
        }
    }
}