using System;
using System.Collections.Generic;
using System.Linq;
using Telligent.Evolution.Extensibility;
using Telligent.Evolution.Extensibility.Api.Entities.Version1;
using Telligent.Evolution.Extensibility.Api.Version1;
using Telligent.Evolution.Extensibility.Content.Version1;
using IContent = Telligent.Evolution.Extensibility.Content.Version1.IContent;

namespace Samples.Links
{
    public class LinkItemContentType : IContentType, ISearchableContentType
    {
        IContentStateChanges _contentState = null;

        #region IPlugin Members

        public string Description
        {
            get { return "Items in a Links collection"; }
        }

        public void Initialize()
        {
        
        }

        public string Name
        {
            get { return "Link Items"; }
        }
        
        #endregion

        #region IContentType Members

        public Guid[] ApplicationTypes
        {
            get { return new Guid[] { ContentTypes.LinksApplicationId }; }
        }

        public void AttachChangeEvents(IContentStateChanges stateChanges)
        {
            _contentState = stateChanges;
        }

        public Guid ContentTypeId
        {
            get { return ContentTypes.LinksItemId; }
        }

        public string ContentTypeName
        {
            get { return "Links Item"; }
        }

        public IContent Get(Guid contentId)
        {
            return LinksData.GetLink(contentId);
        }

        #endregion

        #region ISearchableContentType

        public void SetIndexStatus(Guid[] contentIds, bool isIndexed)
        {
            LinksData.UpdateStatus(contentIds, isIndexed);
        }

        public IList<SearchIndexDocument> GetContentToIndex()
        {
            var docs = new List<SearchIndexDocument>();
            var links = LinksData.ListLinks().Where(link => !link.IsIndexed);

            foreach (var link in links)
            {
                if (link == null) { continue; }

                var doc = Apis.Get<ISearchIndexing>().NewDocument(link.ContentId, link.ContentTypeId, "linkitem", link.Url, link.HtmlName("web"), link.HtmlDescription("web"));
                doc.AddField("date", Apis.Get<ISearchIndexing>().FormatDate(link.CreatedDate));
                docs.Add(doc);
            }

            return docs;
        }

        public int[] GetViewSecurityRoles(Guid contentId)
        {
            var content = LinksData.GetLink(contentId);
            if (content == null) { return new int[] { }; }
            if (content.Application == null) { return new int[] { }; }

            return Apis.Get<IRoles>().Find("Registered Users").Select(r => r.Id.GetValueOrDefault()).ToArray();
        }

        public string GetViewHtml(IContent content, Target target)
        {
            if (content == null) { return null; }

            var user = Apis.Get<IUsers>().Get(new UsersGetOptions { Id = content.CreatedByUserId });

            var author = String.Format(@"<a href=""{0}"" class=""internal-link view-user-profile""><span></span>{1}</a>", PublicApi.Html.EncodeAttribute(user.ProfileUrl), PublicApi.Html.Encode(user.DisplayName));
            
            var appLink = content.Application != null
                ? String.Format(@"<a href=""{0}"">{1}</a>", PublicApi.Html.EncodeAttribute(content.Application.Url), content.Application.HtmlName(target.ToString()))
                : String.Empty;
            
            var groupLink = content.Application != null && content.Application.Container != null
                ? String.Format(@"<a href=""{0}"">{1}</a>", PublicApi.Html.EncodeAttribute(content.Application.Container.Url), content.Application.Container.HtmlName(target.ToString()))
                : String.Empty;

            return String.Format(@"
<div class=""abbreviated-post-header""></div>
<div class=""abbreviated-post ui-searchresult"">
    <div class=""post-metadata"">
        <ul class=""property-list"">
            <li class=""property-item date"">{0}</li>
                <li class=""property-item author"">
                    <span class=""user-name"">{1}</span>
                </li>
            <li>
                <ul class=""details"">
                    <li class=""property-item type""></li>
                </ul>
            </li>
        </ul>
    </div>
    <h4 class=""post-name"">
        <a class=""internal-link view-post"" title=""{3}"" href=""{4}"">
            {2}
        </a>
    </h4>
    <div class=""post-summary"">{5}</div>
    <div class=""post-application"">
        {6}
        {7}
    </div>
</div>
<div class=""abbreviated-post-footer""></div>",
            Apis.Get<ILanguage>().FormatDate(content.CreatedDate),
            author,
            content.HtmlName("web"),
            content.HtmlName("web"),
            PublicApi.Html.EncodeAttribute(content.Url),
            content.HtmlDescription("web"),
            appLink,
            groupLink);
        }

        public bool IsCacheable
        {
            get { return true; }
        }

        public bool VaryCacheByUser
        {
            get { return true; }
        }

        #endregion
    }
}