using Microsoft.SharePoint;
using Microsoft.SharePoint.Publishing;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.WebPartPages;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Web.UI.WebControls.WebParts;
using WebPart = System.Web.UI.WebControls.WebParts.WebPart;
using System.Xml;
using Taloyhtio.CondoUpdate.Common;

namespace CondoUpdate.ActivateAsumisenTietopankki2019
{
    public class UpdaterImpl : ICondoUpdater
    {
        private const string LIST_TITLE = "Lisäpalvelut";
        private const string ASUMISEN_PLUGIN_TITLE = "Asumisen tietopankki";
        private const string ASUMISEN_PAGE_OLD = "asumisentietopankki.aspx";
        private const string ASUMISEN_PAGE_NEW = "_layouts/15/taloyhtio/Tietopankki.aspx";
        private const string FIELD_URL = "Url";
        private readonly Guid TIETOPANKKI_2019_FEATURE_PMC = Guid.Parse("6892b8f4-fdd0-4971-a10b-ca9ce8e1d749");
        private readonly Guid TIETOPANKKI_2019_FEATURE_CONDO = Guid.Parse("8dafa63d-5f12-47dd-9967-de2e01e8d97e");
        private const string TIETOPANKKI_2019_FEATURE_TITLE = "AsumisenTietopankki2019";

        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(url);
            }
            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)
        {
            try
            {
                using (var site = new SPSite(url))
                {
                    using (var web = site.OpenWeb())
                    {
                        if (!web.Exists)
                        {
                            this.error("Web '{0}' does not exist", web.Url);
                            return;
                        }

                        if (!web.Features.Any(f => f.DefinitionId.Equals(TIETOPANKKI_2019_FEATURE_CONDO)))
                        {
                            web.Features.Add(TIETOPANKKI_2019_FEATURE_CONDO, true);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                this.error("Error occured when update '{0}' site:\n{1}\n{2}", url, ex.Message, ex.StackTrace);
            }
        }

        #region notifier
        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 });
            }
        }
        #endregion

    }
}