using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using CefNet;
using CefNet.Avalonia;
using HtmlAgilityPack;
using Wabbajack.DTOs.Logins;

namespace Wabbajack.App.Extensions
{
    public static class WebViewExtensions
    {
        public static async Task WaitForReady(this WebView view)
        {
            while (view.BrowserObject == null)
            {
                await Task.Delay(200);
            }
        }
        
        /// <summary>
        /// Navigates to the URL and waits until the page is finished loading
        /// </summary>
        /// <param name="view"></param>
        /// <param name="uri"></param>
        public static async Task NavigateTo(this WebView view, Uri uri)
        {
            view.Navigate(uri.ToString());
            while (view.IsBusy)
            {
                await Task.Delay(200);
            }
        }

        public static async Task<Cookie[]> Cookies(this WebView view, string domainEnding, CancellationToken token)
        {
            var results = CefCookieManager.GetGlobalManager(null)!;
            var cookies = await results.GetCookiesAsync(c => c.Domain.EndsWith(domainEnding), token)!;
            return cookies.Select(c => new Cookie
            {
                Domain = c.Domain,
                Name = c.Name,
                Path = c.Path,
                Value = c.Value,
            }).ToArray();
        }

        public static async Task EvaluateJavaScript(this WebView view, string js)
        {
            view.GetMainFrame().ExecuteJavaScript(js, "", 0);
        }

        public static async Task<HtmlDocument> GetDom(this WebView view, CancellationToken token)
        {
            var source = await view.GetMainFrame().GetSourceAsync(token);
            var doc = new HtmlDocument();
            doc.LoadHtml(source);
            return doc;
        }
        
    }
}