@using MP.Prog.Components
@using System.Security.Claims
@*@using Microsoft.AspNetCore.Components.Authorization*@
@using MP.Prog.Data

@inject MessageService AppMessages
@*@inject AuthenticationStateProvider AuthenticationStateProvider*@

<div class="form-row pt-3">
    <div class="col-7 col-md-6 col-lg-4 col-xl-3">
        @*<LoginDisplay></LoginDisplay>*@
    </div>
    <div class="col-12 col-lg-4 col-xl-6 d-none d-lg-block text-center h4 text-truncate">
        <span class="@PageIcon" aria-hidden="true"></span> @PageName
    </div>
    <div class="col-5 col-md-6 col-lg-4 col-xl-3 text-right">
        @if (ShowSearch)
        {
            <SearchMod></SearchMod>
        }
    </div>
</div>

@code {

    //[CascadingParameter]
    //private Task<AuthenticationState> AuthenticationStateTask { get; set; }

    [CascadingParameter(Name = "ShowSearch")]
    private bool ShowSearch { get; set; }

    private string userName = "";

    private string PageName { get; set; }
    private string PageIcon { get; set; }

    protected override async Task OnInitializedAsync()
    {
        await forceReload();
    }

    protected override void OnInitialized()
    {
        AppMessages.EA_PageUpdated += OnPageUpdate;
    }
    public void OnPageUpdate()
    {
        PageName = AppMessages.PageName;
        PageIcon = AppMessages.PageIcon;
        InvokeAsync(() =>
        {
            StateHasChanged();
        });
    }

    public void Dispose()
    {
        AppMessages.EA_PageUpdated -= OnPageUpdate;
    }

    private async Task forceReload()
    {

#if false
var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
var user = authState.User;

if (user.Identity.IsAuthenticated)
{
    userName = $"{user.Identity.Name}";
}
else
{
    userName = "N.A.";
}
#endif
    }
}

@*  // Vedere anche:
    // https://docs.microsoft.com/en-us/aspnet/core/blazor/security/?view=aspnetcore-5.0#:~:text=Blazor%20uses%20the%20existing%20ASP.NET%20Core%20authentication%20mechanisms,all%20client-side%20code%20can%20be%20modified%20by%20users
    // https://docs.microsoft.com/en-us/aspnet/core/blazor/security/?view=aspnetcore-5.0*@