using HtmlAgilityPack;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using CalDAV.NET;//https://github.com/markatk/CalDAV.NET

namespace newsletter.Reporters
{
    public class NextcloudCalendars : Reporter
    {
        public Uri url { get; set; }
        public string username_bot { get; set; }
        public string password_bot { get; set; }
        public string username_self { get; set; }
        public string password_self { get; set; }

#pragma warning disable CS1998
        public override async Task<Report> Report(Configuration.Reporter config)
        {
            url = new Uri(config.Misc.FirstOrDefault(kvp => kvp.Key == "url").Value);
            username_bot = config.Misc.FirstOrDefault(kvp => kvp.Key == "username_bot").Value;
            password_bot = config.Misc.FirstOrDefault(kvp => kvp.Key == "password_bot").Value;
            username_self = config.Misc.FirstOrDefault(kvp => kvp.Key == "username_self").Value;
            password_self = config.Misc.FirstOrDefault(kvp => kvp.Key == "password_self").Value;

            var sb = new StringBuilder();
            sb.AppendLine("nextcloud calendars");

        
            var client = new CalDAV.NET.Client(url, username_bot, password_bot);
            var cals = await client.GetCalendarsAsync();
            if(cals != null && cals.Any())
            {
                foreach(var cal in cals)
                {
                    sb.AppendLine($"{cal.DisplayName}<br />");
                }
            }
            else
            {
                sb.AppendLine("no cals found");
            }

            // var clientParams = new WebDavClientParams
            // {
            //     BaseAddress = url,
            //     Credentials = new NetworkCredential(username_bot, password_bot)
            // };
            // using (var client = new WebDavClient(clientParams))
            // {
            //     var result = await client.Propfind(url);
            //     sb.AppendLine($"{result.StatusCode} - {result.Resources?.Count() ?? 0} items<br />");
            //     if (result.Resources.Any())
            //     {
            //         foreach (var resource in result.Resources)
            //         {
            //             if (resource.Uri.EndsWith("/calendars/"))
            //             {
            //                 sb.AppendLine($"calendars: {resource.Uri}");
            //                 var resutl2 = await client.GetFileResponse                            if (resutl2.IsSuccessful && resutl2.Resources?.Any() == true)
            //                 {
            //                     foreach (var resource2 in result.Resources)
            //                     {
            //                         sb.AppendLine($"<br />{resource2.DisplayName} - {resource2.Uri} - is collection? {resource2.IsCollection} - {resource2}");
            //                     }
            //                 }
            //             }
            //         }
            //     }
            // }

            if (config.Misc?.Any() == true)
                foreach (var miscConfig in config.Misc)
                {
                    sb.AppendLine($"{miscConfig.Key}: {miscConfig.Value}");
                }
            return new Report()
            {
                ReportContent = HtmlNode.CreateNode($"<div>{sb.ToString()}</div>"),
                TextSummary = "dummy text for testing purposes"
            };
        }
#pragma warning restore CS1998
    }
}