using Amazon.Runtime.Internal.Endpoints.StandardLibrary;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.JSInterop;
using MP.AppAuth.Services;
using MP.SPEC.Data;
using MP.SPEC.Extensions;
using System;

namespace MP.SPEC.Components
{
    public partial class CmpTop : IDisposable
    {
        #region Public Methods

        public void Dispose()
        {
            MService.EA_PageUpdated -= OnPageUpdate;
            NavManager.LocationChanged -= NavManager_LocationChanged;
        }

        public void OnPageUpdate()
        {
            PageName = MService.PageName;
            PageIcon = MService.PageIcon;
            InvokeAsync(() =>
            {
                StateHasChanged();
            });
        }

        #endregion Public Methods

        #region Protected Properties

        [Inject]
        protected AppAuthService AAService { get; set; } = null!;

        [Inject]
        protected AuthenticationStateProvider AuthStateProv { get; set; } = null!;

        [Inject]
        protected IJSRuntime JSRuntime { get; set; } = null!;

        [Inject]
        protected MpDataService MDService { get; set; } = null!;

        [Inject]
        protected MsgServiceSpec MService { get; set; } = null!;

        #endregion Protected Properties

        #region Protected Methods

        protected async Task FlushCache()
        {
            await MDService.FlushRedisCache();
            await ForceReload();
            // rimando a pagina corrente
            NavManager.NavigateTo(NavManager.Uri, true);
        }

        protected override async Task OnInitializedAsync()
        {
            await ForceReload();
            MService.EA_PageUpdated += OnPageUpdate;
            NavManager.LocationChanged += NavManager_LocationChanged;
            SetPageData();
        }

        #endregion Protected Methods

        #region Private Fields

        private string PageIcon = "";

        private string PageName = "";

        private string userName = "";

        #endregion Private Fields

        #region Private Properties

        [Inject]
        private NavigationManager NavManager { get; set; } = null!;

        #endregion Private Properties

        #region Private Methods

        private async Task ForceReload()
        {
            var authState = await AuthStateProv.GetAuthenticationStateAsync();
            var user = authState.User;
            if (user.Identity != null && user.Identity.IsAuthenticated)
            {
                userName = $"{user.Identity.Name}";
                // salvo username in msgService
                var userData = userName.Split(@"\");
                if (userData.Length > 1)
                {
                    MService.DomainName = userData[0];
                    MService.UserName = userData[1];
                    // recupero diritti e salvo...
                    var UserRightList = await AAService.DirittiGetByUser(MService.UserName);
                    if (UserRightList != null)
                    {
                        MService.UserRight = UserRightList.Select(x => x.Funzione).ToList();
                    }
                }
            }
            else
            {
                userName = "N.A.";
            }
        }

        private void NavManager_LocationChanged(object? sender, Microsoft.AspNetCore.Components.Routing.LocationChangedEventArgs e)
        {
            SetPageData();
        }

        private void SetPageData()
        {
            // update testo pagina da URI
            string pageUri = NavManager.Page().ToLower();
            // se home/index/vuoto... home!
            if (string.IsNullOrEmpty(pageUri) || pageUri == "index" || pageUri == "home")
            {
                MService.PageIcon = "fa-solid fa-house";
                MService.PageName = "Home";
            }
            else
            {
                // verifica pagina x permessi
                if (MService.ElencoLink != null)
                {
                    var recLink = MService.ElencoLink.FirstOrDefault(x => x.NavigateUrl.ToLower() == pageUri);
                    if (recLink != null)
                    {
                        MService.PageIcon = recLink.Icona;
                        MService.PageName = recLink.Testo;
                    }
                }
            }
        }

        #endregion Private Methods
    }
}