using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Html;
using System.Web.Routing;
using Sony.Core.Data;
using Sony.Filtr.Application;
using Sony.Filtr.Core.Data;
using Sony.Filtr.Core.EditorialPlaylists;

namespace SonyMusic.Web.Utility
{
    public static class HelperExtensions
    {
        public static string ActiveMenuLink(this HtmlHelper helper, string action, string controller, string activeClass)
        {
            string currentController = helper.ViewContext.RouteData.Values["controller"] as string ?? "home";
            string currentAction = helper.ViewContext.RouteData.Values["action"] as string ?? "index";
            string page = string.Format("{0}:{1}", currentController, currentAction).ToLower();
            string thisPage = string.Format("{0}:{1}", controller, action).ToLower();
            if (page == thisPage)
                return activeClass;
            return string.Empty;
        }

        public static MvcHtmlString ApplicationActionLink(this HtmlHelper helper, string linkText, string actionName, string controller)
        {
            object extraParam = null;
            if (!string.IsNullOrWhiteSpace(helper.ViewContext.HttpContext.Request.QueryString["application"]))
                extraParam = new { application = ApplicationInstanceManager.CurrentApplicationInstance.ID };
            return helper.ActionLink(linkText, actionName, controller, extraParam, null);
        }

        public static MvcForm ApplictionBeginForm(this HtmlHelper helper, string actionName, string controller, bool fileUploading = false, FormMethod method = FormMethod.Post)
        {
            object extraParam = null;
            object htmlAttributes = null;
            if (!string.IsNullOrWhiteSpace(helper.ViewContext.HttpContext.Request.QueryString["application"]))
                extraParam = new { application = ApplicationInstanceManager.CurrentApplicationInstance.ID };
            if (fileUploading)
                htmlAttributes = new { enctype = "multipart/form-data" };
            return helper.BeginForm(actionName, controller, extraParam, method, htmlAttributes);
        }


        public static string ApplicationAction(this UrlHelper helper, string actionName, string controller = null, RouteValueDictionary extraRouteValues = null)
        {
            RouteValueDictionary extraParam = new RouteValueDictionary();
            if (extraRouteValues != null)
                extraParam = extraRouteValues;

            if (!string.IsNullOrWhiteSpace(helper.RequestContext.HttpContext.Request.QueryString["application"]))
                extraParam.Add("application", ApplicationInstanceManager.CurrentApplicationInstance.ID);
            return helper.Action(actionName, controller, extraParam);
        }

        public static string GetTrendDirectionClass(this HtmlHelper helper, EditorialPlaylistWithStats playlistStat)
        {
            var subscribers = playlistStat.LatestSubscribers;
            var oldSubscribers = playlistStat.SecondLatestSubscribers;

            if (subscribers > oldSubscribers)
                return "arrowup";
            else if (subscribers < oldSubscribers)
                return "arrowdown";
            else
                return string.Empty;
        }

        public static string GetCombinedTrendDirectionClass(this HtmlHelper helper, IEnumerable<EditorialPlaylistWithStats> playlistStats)
        {
            var subscribers = playlistStats.Sum(p => p.LatestSubscribers);
            var prevSubscribers = playlistStats.Sum(p => p.SecondLatestSubscribers);

            if (subscribers > prevSubscribers)
                return "arrowup";
            else if (subscribers < prevSubscribers)
                return "arrowdown";
            else
                return string.Empty;
        }


    }

}