@using Microsoft.AspNetCore.Components.Authorization
@using MoonCore.Blazor.Tailwind.Auth
@using Moonlight.Client.UI.Layouts

@inject ToastService ToastService
@inject NavigationManager Navigation
@inject AuthenticationStateManager AuthStateManager

<div class="sticky top-0 z-40 flex h-16 shrink-0 items-center gap-x-4 bg-gray-800/60 backdrop-blur px-4 shadow-sm sm:gap-x-6 sm:px-6 lg:px-8">
    @if (Layout.ShowMobileNavigation)
    {
        <button @onclick="Layout.ToggleMobileNavigation" type="button" class="-m-2.5 p-2.5 text-gray-700 lg:hidden">
            <span class="sr-only">Close sidebar</span>
            <i class="bi bi-x-lg text-xl"></i>
        </button>
    }
    else
    {
        <button @onclick="Layout.ToggleMobileNavigation" type="button" class="-m-2.5 p-2.5 text-gray-700 lg:hidden">
            <span class="sr-only">Open sidebar</span>
            <i class="bi bi-list text-xl"></i>
        </button>
    }

    <div class="h-6 w-px bg-gray-800 lg:hidden" aria-hidden="true"></div>

    <div class="flex justify-between gap-x-4 lg:gap-x-6 w-full">
        <div></div>
        <div class="flex items-center gap-x-4 lg:gap-x-6">
            <div class="hidden lg:block lg:h-6 lg:w-px lg:bg-gray-900/10" aria-hidden="true"></div>

            <div class="relative">
                <button @onclick="ToggleProfileNav" @onfocusout="ProfileNav_OnFocusOut" type="button" class="-m-1.5 flex items-center p-1.5" id="user-menu-button" aria-expanded="false" aria-haspopup="true">
                    <span class="sr-only">Open user menu</span>
                    <img class="h-8 w-8 rounded-full" src="https://masuowo.xyz/assets/images/avatar.png" alt="">
                    <span class="hidden lg:flex lg:items-center">
                        <span class="ml-4 text-sm font-semibold leading-6 text-gray-100" aria-hidden="true">
                            @("@" + Username)
                        </span>
                        <svg class="ml-2 h-5 w-5 text-gray-400" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
                            <path fill-rule="evenodd" d="M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z" clip-rule="evenodd"/>
                        </svg>
                    </span>
                </button>
                
                <div class="@(ShowProfileNav ? "opacity-100" : "opacity-0 hidden") transition ease-out duration-100 absolute right-0 z-10 mt-2.5 w-44 origin-top-right rounded-md bg-gray-750 py-2 shadow-lg ring-1 ring-gray-100/5 focus:outline-none" role="menu" aria-orientation="vertical" aria-labelledby="user-menu-button" tabindex="-1">
                    <a href="/admin" class="block px-3 py-1 text-sm leading-6 text-gray-100 hover:text-primary-500" role="menuitem" tabindex="-1" id="user-menu-item-0">Your profile</a>
                    <a @onclick="Logout" @onclick:preventDefault href="#" class="block px-3 py-1 text-sm leading-6 text-gray-100 hover:text-primary-500" role="menuitem" tabindex="-1" id="user-menu-item-1">Sign out</a>
                </div>
            </div>
        </div>
    </div>
</div>

@code
{
    [Parameter] public MainLayout Layout { get; set; }
    [CascadingParameter] public Task<AuthenticationState> AuthState { get; set; }

    private bool ShowProfileNav = false;
    private string Username;

    protected override async Task OnInitializedAsync()
    {
        var identity = await AuthState;
        var usernameClaim = identity.User.Claims.ToArray().First(x => x.Type == "username");
        Username = usernameClaim.Value;
    }

    protected override Task OnAfterRenderAsync(bool firstRender)
    {
        if(!firstRender)
            return Task.CompletedTask;

        Layout.OnStateChanged += () => InvokeAsync(StateHasChanged);
        
        return Task.CompletedTask;
    }

    private async Task ToggleProfileNav()
    {
        ShowProfileNav = !ShowProfileNav;
        await InvokeAsync(StateHasChanged);
    }

    private Task ProfileNav_OnFocusOut()
    {
        Task.Run(async () =>
        {
            await Task.Delay(200);

            ShowProfileNav = false;
            await InvokeAsync(StateHasChanged);
        });
        
        return Task.CompletedTask;
    }

    private async Task Logout()
    => await AuthStateManager.Logout();
}