using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using OpenQuarters.WebQuarters.Utils;

using System.Xml;

using System.Data.Linq;



namespace OpenQuarters.WebQuarters.Core

{

    public partial class CMSPageVersion : CMSEntity<CMSPageVersion, long>

    {

        [Newtonsoft.Json.JsonProperty]

        public long json_PageVersionId

        {

            get { return this.PageVersionId; }

            set { this.PageVersionId = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public long json_PageId

        {

            get { return this.PageId; }

            set { this.PageId = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public string json_Template

        {

            get { return this.Template; }

            set { this.Template = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public string json_Title

        {

            get { return this.Title; }

            set { this.Title = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public string json_Keywords

        {

            get { return this.Keywords; }

            set { this.Keywords = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public string json_Description

        {

            get { return this.Description; }

            set { this.Description = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public string json_Tags

        {

            get { return this.Tags; }

            set { this.Tags = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public string json_UserId

        {

            get { return this.UserId; }

            set { this.UserId = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public bool json_IsLive

        {

            get { return this.IsLive; }

            set { this.IsLive = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public bool json_NoFollow

        {

            get { return this.NoFollow; }

            set { this.NoFollow = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public int json_Order

        {

            get { return this.Order; }

            set { this.Order = value; }

        }



        [Newtonsoft.Json.JsonProperty]

        public string json_DateCreated

        {

            get { return this.DateCreated.ToString("U"); }

            set

            {

                try { this.DateCreated = DateTime.Parse(value); }

                catch { this.DateCreated = DateTime.UtcNow; }

            }

        }



        partial void OnTemplateChanging(string value)

        {

            if (String.IsNullOrEmpty(value))

            {

                string sError = "Template cannot be blank";

                throw new Exception(sError);

            }

        }



        public string[] GetTags()

        {

            if (string.IsNullOrEmpty(this.Tags))

                return new string[]{};

            else

                return this.Tags.Replace(" ,", "").Replace(", ", "").Replace("  ", " ").Split(',');

        }



        partial void OnCreated()

        {

            this.IsLive = false;

            this.DateCreated = DateTime.UtcNow;

            this.LanguageId = Language.Current.LanguageId;

            this.UserId = null;

            this.Title = "";

            this.Template = "Default";

        }



        private ContentDefinition contentDefinition = null;



        public ContentDefinition ContentDefinition

        {

            get

            {

                if (contentDefinition == null)

                {

                    contentDefinition = ContentDefinition.FromJSON(this.Definition);

                }

                return contentDefinition;

            }

            set

            {

                contentDefinition = value;

            }

        }



        public override void OnSaving()

        {

            base.OnSaving();

            this.Definition = this.ContentDefinition.ToJSON();

        }



        public override void OnSaved()

        {

            base.OnSaved();

            if (this.Title != null && this.Title.Length > 0 && Url.Table.FirstOrDefault(e => e.PageId == this.PageId && e.LanguageId == this.LanguageId) == null)

            {

                Url url = new Url()

                {

                    PageId = this.PageId,

                    LanguageId = this.LanguageId,

                    PageUrl = this.GenerateUrl()

                }.Save();

            }

        }



        public string GenerateUrl()

        {

            string url = "";

            var p = this;

            url = p.Title.ToUrlSafeString();

            while (p != null)

            {

                p = p.CMSPage.ParentId == null ? null : p.CMSPage.ParentPage.CurrentVersion;

                if (p != null && p.Title != null && p.Title.Length > 0 && p.CMSPage.ParentId != null)

                {

                    url = p.Title.ToUrlSafeString() + "/" + url;

                }

            }

            return url;

        }



        public override System.Linq.Expressions.Expression<Func<CMSPageVersion, bool>> GetIDSelector(long ID)

        {

            return e => e.PageVersionId == ID;

        }



        public override long GetKey(CMSPageVersion Entity)

        {

            return Entity.PageVersionId;

        }



        public override DataLoadOptions GetLoadOptions()

        {

            var r = new DataLoadOptions();

            r.LoadWith<CMSPageVersion>(e => e.CMSPage);

            return r;

        }



        public class JSON

        {

            public CMSPageVersion PageVersion = null;

            public string Definition = "{}";



            public JSON(CMSPageVersion PageVersion)

            {

                this.PageVersion = PageVersion;

                this.Definition = PageVersion.Definition;

            }



            public JSON()

            {

            }

        }



        public void MakeLive()

        {

            Table.Where(e => e.IsLive && e.PageId == this.PageId).ToList().ForEach(e => e.Delete());



            var v = CMSPageVersion.Load(this.PageVersionId);



            v.IsLive = true;

            v.UserId = null;

            v = v.Save();



            EventLog.Add(EventLogPriority.L, "CMSPageVersion.MakeLive", this.PageId.ToString(), new CMSPageVersion.JSON(v).ToJSON());

        }



        //public static List<CMSPageVersion> GetVersionsForUser(long PageId)

        //{

        //    var versions = CMSPageVersion.Table

        //        .Where(v => v.PageId == PageId && v.IsLive == false)

        //    return versions.OrderByDescending(v => v.DateCreated).ToList();

        //}



        public static List<CMSPageVersion> GetVersionsForUser(long PageId)

        {

            var versions = new List<CMSPageVersion>();

            var events = EventLog.Table

                .Where(e => e.Category == "CMSPageVersion.MakeLive" && e.Target == PageId.ToString())

                .ToList();

            foreach (var evt in events)

            {

                var pageJSON = GeneralUtils.FromJSON<CMSPageVersion.JSON>(evt.Message);

                pageJSON.PageVersion.Definition = pageJSON.Definition;

                versions.Add(pageJSON.PageVersion);

            }

            return versions.OrderByDescending(e => e.DateCreated).ToList();

        }



        public static CMSPageVersion GetVersionsFromArchive(long PageId, long PageVersionId)

        {

            var versions = new List<CMSPageVersion>();

            var events = EventLog.Table

                .Where(e => e.Category == "CMSPageVersion.MakeLive" && e.Target == PageId.ToString())

                .ToList();

            foreach (var evt in events)

            {

                var pageJSON = GeneralUtils.FromJSON<CMSPageVersion.JSON>(evt.Message);

                pageJSON.PageVersion.Definition = pageJSON.Definition;

                if (pageJSON.PageVersion.PageVersionId == PageVersionId)

                    return pageJSON.PageVersion;

            }

            return null;

        }

    }

}