using System.Diagnostics;
using CodeLiturgy.Views.Controllers;
using CodeLiturgy.Views.Languages;
using Microsoft.AspNetCore.Mvc.ViewFeatures;

namespace CodeLiturgy.Views.Utils;

internal class LayoutCache
{
    #region Route Tree

    private static readonly RouteRecord NonLoggedInRoot = new RouteRecord(
        AuthLoginRoute, 
        AuthLoginKeyName, 
        nameof(AuthController), new List<RouteRecord>());
    

    private static readonly RouteRecord Root = new RouteRecord(
        RootKeyName,
        RootLocation,
        nameof(HomeController),
        new List<RouteRecord>(), ViewType.Root);

    #endregion Route Tree

    #region Routing Utils

    internal static readonly RouteRecord SystemRoute =
        Root.Children.FirstOrDefault(x => x.ViewType == ViewType.System)!;

    internal static readonly RouteRecord DataRouteRecord =
        Root.Children.FirstOrDefault(x => x.ViewType == ViewType.Data)!;

    internal static readonly RouteRecord AccountRouteRecord =
        Root.Children.FirstOrDefault(x => x.ViewType == ViewType.Account)!;

    #endregion Routing Utils

    #region Internal Menus

    internal static List<RouteView> GetDefaultFooterMenu(ViewDataDictionary dictionary)
    {
        var location = GetUserLanguage(dictionary);
        
        var menu = LayoutCache
            .Root
            .Children;

        if (dictionary[FooterMenuViewDataId] is List<RouteRecord> footerMenu)
        {
            menu = footerMenu;
        }
        
        return menu
            .Select(x =>
                {
                    if (SiteContent.RouteTitle[x.routeKey].ContainsKey(location))
                    {
                        return new RouteView(SiteContent.RouteTitle[x.routeKey][location],
                            location);
                    }
                    return new RouteView(SiteContent.RouteTitle[x.routeKey][DefaultCultureName],
                        x.location);
                    
                })
                
            .ToList();

    }

    internal static List<RouteView> GetDefaultHeaderMenu(ViewDataDictionary dictionary, bool userAuthenticated = false)
    {
        if (!userAuthenticated)
        {
            var menuToShow = new List<RouteView>();
            menuToShow.Add(new RouteView("Blue West", "/"));
            return menuToShow;
        }
        
        var location = GetUserLanguage(dictionary);
        
        var menu = LayoutCache
            .Root
            .Children;

        if (dictionary[HeaderMenuId] is List<RouteRecord> footerMenu)
        {
            menu = footerMenu;
        }
        
        return menu
            .Select(x =>
            {
                if (SiteContent.RouteTitle[x.routeKey].ContainsKey(location))
                {
                    return new RouteView(SiteContent.RouteTitle[x.routeKey][location],
                        x.Location);
                }
                return new RouteView(SiteContent.RouteTitle[x.routeKey][DefaultCultureName],
                    x.location);
                    
            })
                
            .ToList();
    }


    [Conditional("DEBUG")]
    internal static void IsDevMode(ref bool isDebug)
    {
        isDebug = true;
    }

    internal static string GetUserLanguage(ViewDataDictionary dictionary)
    {
        return (dictionary[LanguageViewStorage] as string)!;
    }


    #endregion Internal Menus
   
}