using System;
using System.Globalization;
using System.Linq;
using System.Threading;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Utilities;
using Taloyhtio.CondoUpdate.Common;

namespace CondoUpdate.ActivateIncomingEmails.Owners
{
    public class UpdaterImpl : ICondoUpdater
    {
        public event EventHandler<LogEventArgs> OnNotify;
        public void Update(object args)
        {
            string url = args as string;
            if (string.IsNullOrEmpty(url))
            {
                this.warn("Url is empty");
                return;
            }

            try
            {
//                this.updateImpl(SPUrlUtility.CombineUrl(url, "hallitukselle"), "");
//                this.updateImpl(SPUrlUtility.CombineUrl(url, "asukkaille"), "_asukas");
                this.updateImpl(SPUrlUtility.CombineUrl(url, "osakkaille"), "_osakas");
            }
            catch (Exception x)
            {
                this.error("Error occured during updating of Condo '{0}':\n{1}\n{2}", url, x.Message, x.StackTrace);
            }
        }

        private void updateImpl(string url, string suffix)
        {
            using (var site = new SPSite(url))
            {
                using (var web = site.OpenWeb())
                {
                    if (!web.Exists || string.Compare(web.Url, url, true) != 0)
                    {
                        return;
                    }

                    Thread.CurrentThread.CurrentUICulture = new CultureInfo((int)web.Language);

                    var list = web.Lists.Cast<SPList>().FirstOrDefault(l => l.DefaultViewUrl.ToLower().Contains("/documents/"));
                    if (list == null)
                    {
                        this.error("Documents doclib not found");
                        return;
                    }

                    if (!string.IsNullOrEmpty(list.EmailAlias))
                    {
                        this.warn("List '{0}' already has email enabled '{1}'", list.DefaultViewUrl, list.EmailAlias);
                        return;
                    }

                    var condoWeb = web.ParentWeb;
                    string emailAlias = condoWeb.Url.Substring(condoWeb.Url.LastIndexOf("/") + 1);
                    emailAlias = emailAlias.ToLower().Replace("ä", "a").Replace("ö", "o").Replace("å", "a");
                    if (string.IsNullOrEmpty(emailAlias))
                    {
                        this.error("Email alias is null or empty");
                        return;
                    }

                    if (!string.IsNullOrEmpty(suffix))
                    {
                        emailAlias += suffix;
                    }

                    list.EmailAlias = emailAlias;
                    var rootFolder = list.RootFolder;
                    rootFolder.Properties["vti_emailattachmentfolders"] = "subject";
                    rootFolder.Properties["vti_emailoverwrite"] = 1;
                    rootFolder.Properties["vti_emailsaveoriginal"] = 0;
                    rootFolder.Properties["vti_emailsavemeetings"] = 0;
                    rootFolder.Properties["vti_emailusesecurity"] = 0;
                    rootFolder.Update();
                    //list.ResetContentTypes();
                    ReflectionHelper.CallMethod(list, "ResetContentTypes");
                    list.Update();
                }
            }
        }

        private void info(string msg, params object[] args)
        {
            this.notify(LogLevel.Info, msg, args);
        }

        private void warn(string msg, params object[] args)
        {
            this.notify(LogLevel.Warn, msg, args);
        }

        private void error(string msg, params object[] args)
        {
            this.notify(LogLevel.Error, msg, args);
        }

        private void notify(LogLevel level, string msg, params object[] args)
        {
            this.notify(level, string.Format(msg, args));
        }

        private void notify(LogLevel level, string msg)
        {
            if (this.OnNotify != null)
            {
                this.OnNotify(this, new LogEventArgs { LogLevel = level, Message = msg });
            }
        }
    }
}