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namespace NetCoders.Portal.Core.Helpers
{
    using System.Text;
    using Castle.MonoRail.Framework.Helpers;
    using NetCoders.Portal.Core.Services;
    using NetCoders.Portal.Model.Forum;

    public class ForumHelper : AbstractHelper
    {
        #region BuildPostsThreaded
        public string BuildPostsThreaded(int topicId, int page)
        {
            return BuildPostsThreaded(topicId, page, 0);
        }

        public string BuildPostsThreaded(int topicId, int page, int selectedId)
        {
            IForumTopicService _topic = WindsorHelper.Resolve<IForumTopicService>();
            IForumPostService _post = WindsorHelper.Resolve<IForumPostService>();

            ForumTopic topic = _topic.Find(topicId);
            PagerList<ForumPost> posts = _post.FindAll_Threaded(topic.TopicID, topic.Post.PostID, page, 10);

            StringBuilder html = new StringBuilder();

            foreach (ForumPost post in posts)
            {
                AddPost(html, post, 1, selectedId);

                if (post.Posts.Count > 0)
                {
                    AddPosts(html, post, selectedId);
                }
            }

            return html.ToString();
        }
        #endregion

        #region AddPost
        public void AddPost(StringBuilder html, ForumPost post, int count, int selectedId)
        {
            html.Append("<tr>");
            html.Append("<td class=\"image\"></td>");

            string indent = "&nbsp;&nbsp;";

            for (int i = 1; i <= count; i++)
            {
                indent += "&nbsp;&nbsp;";
            }

            string css = "title";

            if (selectedId > 0)
            {
                if (post.PostID == selectedId)
                {
                    css = "title-selected";
                }
            }

            html.AppendFormat(
                "<td class=\"{0}\">{1}<a href=\"{2}\">{3}</a></td>",
                css,
                indent,
                UrlHelper.UrlBuilder.BuildRouteUrl(
                    Controller.Context.UrlInfo, 
                    "forum.topic.view.mode",
                    DictHelper.Create(
                        "mode=threaded", 
                        string.Format("id={0}", post.Topic.TopicID), 
                        string.Format("postId={0}", post.PostID), 
                        "page=1"
                    )
                ),
                post.Title
            );

            html.AppendFormat("<td class=\"date\">{0}</td>", post.DateCreated.ToString("MM/dd/yyyy h:mm tt"));

            html.AppendFormat(
                "<td class=\"poster\"><a href=\"{0}\">{1}</a></td>",
                UrlHelper.UrlBuilder.BuildRouteUrl(Controller.Context.UrlInfo, "member.view", DictHelper.Create(string.Format("id={0}", post.Author.MemberID))),
                post.Author.Name
            );

            html.Append("<td class=\"checkbox\"><input type=\"checkbox\" name=\"\" /></td>");
            html.Append("</tr>");
        }
        #endregion

        #region AddPosts
        public void AddPosts(StringBuilder html, ForumPost item, int selectedId)
        {
            foreach (ForumPost post in item.Posts)
            {
                if (item.Indent == 0)
                {
                    post.Indent = 1 * 2;
                }
                else
                {
                    post.Indent = item.Indent + 2;
                }

                AddPost(html, post, post.Indent, selectedId);

                if (post.Posts.Count > 0)
                {
                    AddPosts(html, post, selectedId);
                }
            }
        }
        #endregion
    }
}