using System;
using System.IO;
using System.Net;
using BeWo.Service.Configuration;
using BeWo.Service.Core;
using BeWo.Service.Plugins;
using Newtonsoft.Json;

namespace BeWo.Service.OwnChat
{
    public class OwnChatHelper
    {
        public static void StartOwnChatSync()
        {
            //if (AppSettings.CreateSettings().ShowChat)
            //{
                var m = AppSettings.GetMandatorEntity();
                var tenant = PluginLoader.Tenant;
                
                StartOwnChatSync(m.Apikey, tenant);
            //}
        }

        private static void StartOwnChatSync(String apiKey, String tenant)
        {

            if (!String.IsNullOrEmpty(apiKey))
            {
                try
                {
                    var serverUrl = ErmittleServerURL(tenant);

                    if (!String.IsNullOrEmpty(serverUrl))
                    {
#if DEBUG
                        var endurl = serverUrl + "/api/ownchat/sync/schedule/" + apiKey + "/5473568546";
                        
#else
                        var endurl = serverUrl + "/api/ownchat/sync/schedule/" + apiKey + "/" + tenant;
#endif
                        WebRequest request = WebRequest.Create(endurl);

                        request.Credentials = CredentialCache.DefaultCredentials;

                        var response = request.GetResponse();

                        response.Close();
                        response.Dispose();
                    }
                }
                catch (Exception e)
                {
                    // MessageBox.Show("Die Verbindung konnte nicht aufgebaut werden.", "ownChat Fehler ", MessageBoxButton.OK);

                }
            }
        }

        public static string ErmittleServerURL(string tenant)
        {
            //CB HACK solange App4 nicht geht:
            return GetUrlFromApp6(tenant);

            try
            {

                string url = "https://dict.ownchat.de/api/server/resolve/1/" + tenant;

                WebRequest request = WebRequest.Create(url);

                request.Credentials = CredentialCache.DefaultCredentials;

                WebResponse response = request.GetResponse();

                string responseFromServer = ReadStreamForChatCode(response);

                var definition = new { status = "", URL = "", SYNCTYPE = "" };

                var jsondaten = JsonConvert.DeserializeAnonymousType(responseFromServer, definition);

                string serverUrl = jsondaten.URL;
                response.Close();

                return serverUrl;
            }
            catch (Exception e)
            {
                throw Utils.CreateBeWoFaultException(e);
            }
        }

        private static string GetUrlFromApp6(string tenant)
        {
            try
            {
                
                string url = "https://app6.bewoplaner.de/mobil/Chat/GetServerUrl?k=" + tenant;

                WebRequest request = WebRequest.Create(url);

                request.Credentials = CredentialCache.DefaultCredentials;

                WebResponse response = request.GetResponse();

                string responseFromServer = ReadStreamForChatCode(response);

                
                return responseFromServer;
            }
            catch (Exception e)
            {
                throw Utils.CreateBeWoFaultException(e);
            }

        }

        private static string ReadStreamForChatCode(WebResponse response)
        {
            try
            {
                Stream dataStream = response.GetResponseStream();

                StreamReader reader = new StreamReader(dataStream);

                string responseFromServer = reader.ReadToEnd();

                dataStream.Dispose();
                reader.Dispose();

                dataStream.Close();
                reader.Close();

                return responseFromServer;
            }
            catch (Exception e)
            {
                return null;
            }
        }
    }
}