using System;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Publishing;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.WebPartPages;
using Taloyhtio.CondoAutomation.Resources;
using Taloyhtio.CondoAutomation.Utils;
using Taloyhtio.CondoUpdate.Common;
using WebPart = Microsoft.SharePoint.WebPartPages.WebPart;

namespace CondoUpdate.RetargetNewsWebParts
{
    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, ""), () => TaloyhtioPropertyManagersSite.List_TenantsReleases_Title, Constants.Retargeting.CONDO_SITE_OLD_TARGET_LIST_ID_ON_START_PAGE);
                this.updateImpl(SPUrlUtility.CombineUrl(url, "Osakkaille"), () => TaloyhtioPropertyManagersSite.List_LandlordsReleases_Title, Constants.Retargeting.LANDLORDS_OLD_TARGET_LIST_ID_ON_START_PAGE);
                this.updateImpl(SPUrlUtility.CombineUrl(url, "Hallitukselle"), () => TaloyhtioPropertyManagersSite.List_BoardMembersReleases_Title, Constants.Retargeting.BOARD_MEMBERS_OLD_TARGET_LIST_ID_ON_START_PAGE);
            }
            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, Func<string> getListTitle, string oldListId)
        {
            using (var site = new SPSite(url))
            {
                using (var web = site.OpenWeb())
                {
                    if (!web.Exists)
                    {
                        return;
                    }

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

                    // 2020-04-21: need to get list title only after setup of current thread language
                    string listTitle = getListTitle();

                    if (!PublishingWeb.IsPublishingWeb(web))
                    {
                        return;
                    }
                    var pweb = PublishingWeb.GetPublishingWeb(web);
                    WebPartsHelper.SetupDataFormWebPartOnStartPage(pweb, listTitle, oldListId, Constants.Retargeting.OLD_TARGET_WEB_URL);
                    WebPartsHelper.SetupWebPartsOnNewsPage(pweb, "Uutinen", listTitle, Constants.Retargeting.OLD_TARGET_LIST_ID_ON_NEWS_PAGE, Constants.Retargeting.OLD_TARGET_WEB_URL);
                }
            }
        }

        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 });
            }
        }
    }
}