@page "/login"
@using Template.Shared.Components.Layout.Spinner
@using Template.Shared.Core.Services
@inject IUserAccountService UserAccountService
@inject AppAuthenticationStateProvider AuthenticationStateProvider

@if (Spinner)
{
    <SpinnerLayout/>
}
else
{
    <div class="center-box container d-flex justify-content-center align-items-center min-vh-100">
        <div class="row border rounded-4 bg-white shadow box-area">

            <div class="appName rounded-4 d-flex justify-content-center align-items-center flex-column">
                <span>Nome App</span>
            </div>

            <div class="col-md-6 right-box">
                <div class="row align-items-center">
                    <div class="input-group mb-2">
                        <MudTextField @bind-Value="UserData.Username" Label="Username" Variant="Variant.Text"/>
                    </div>
                    <div class="input-group mb-2">
                        <MudTextField @bind-Value="UserData.Password" Label="Password" Variant="Variant.Text"/>
                    </div>
                    <div class="input-group mb-4">
                        <MudTextField @bind-Value="UserData.CodHash" Label="Profilo azienda" Variant="Variant.Text"/>
                    </div>
                    <div class="input-group">
                        <div class="button-login" @onclick="SignInUser">
                            <span>Login</span>
                        </div>
                    </div>
                </div>

                <div class="my-4 login-footer">
                    <span>Powered by</span>
                    <img src="_content/Template.Shared/images/logoIntegry.svg" class="img-fluid" alt="Integry">
                </div>
                
                @if (_attemptFailed)
                {
                    <MudAlert Class="my-3" Dense="true" Severity="Severity.Error" Variant="Variant.Filled">@ErrorMessage</MudAlert>
                }
            </div>
        </div>
    </div>
}

@code {
    private SignIn UserData { get; } = new();
    private bool Spinner { get; set; }
    private string ErrorMessage { get; set; } = "";
    private bool _attemptFailed;

    protected override void OnInitialized()
    {
        UserData.CodHash = LocalStorage.GetString("codHash");
        StateHasChanged();
    }

    private async Task SignInUser()
    {
        _attemptFailed = false;
        if (!string.IsNullOrEmpty(UserData.Username) && !string.IsNullOrEmpty(UserData.Password) && !string.IsNullOrEmpty(UserData.CodHash))
        {
            Spinner = true;
            StateHasChanged();

            try
            {
                await UserAccountService.Login(UserData.Username, UserData.Password, UserData.CodHash);
                AuthenticationStateProvider.NotifyAuthenticationState(); //Chiamato per forzare il refresh

                LocalStorage.SetString("codHash", UserData.CodHash);
                NavigationManager.NavigateTo("/");
                StateHasChanged();
            }
            catch (Exception e)
            {
                Spinner = false;
                StateHasChanged();

                ErrorMessage = e.Message;
                _attemptFailed = true;
                Console.WriteLine(e);
                // Logger<>.LogError(e, e.Message);
            }
        }
    }

    public class SignIn
    {
        public string? Username { get; set; }
        public string? Password { get; set; }
        public string? CodHash { get; set; }
    }

}