@using Koogle.Application.DTOs
@using Koogle.Application.Interfaces
@using Koogle.Domain.Interfaces
@using System.ComponentModel.DataAnnotations

@inject IClubService ClubService
@inject IUserService UserService
@inject IEmailService EmailService
@inject NavigationManager NavigationManager
@inject ISnackbar Snackbar

<MudDialog>
    <DialogContent>
        <MudForm @ref="_form" @bind-IsValid="_isValid">
            <MudTextField @bind-Value="_email"
                Label="E-Mail-Adresse"
                Variant="Variant.Outlined"
                Required="true"
                RequiredError="E-Mail-Adresse ist erforderlich"
                Validation="@(new EmailAddressAttribute() { ErrorMessage = "Ungültige E-Mail-Adresse" })"
                Immediate="true"
                Class="mb-3" />
        </MudForm>

        @if (_isSending)
        {
            <MudProgressLinear Indeterminate="true" Color="Color.Primary" />
        }
    </DialogContent>
    <DialogActions>
        <MudButton OnClick="Cancel" Disabled="_isSending">Abbrechen</MudButton>
        <MudButton Color="Color.Primary"
                   Variant="Variant.Filled"
                   OnClick="Send"
                   Disabled="@(!_isValid || _isSending)">
            @if (_isSending)
            {
                <MudProgressCircular Size="Size.Small" Indeterminate="true" Class="mr-2" />
            }
            Einladung senden
        </MudButton>
    </DialogActions>
</MudDialog>

@code {
    [CascadingParameter] private IMudDialogInstance MudDialog { get; set; } = null!;

    [Parameter] public Guid ClubId { get; set; }
    [Parameter] public string ClubName { get; set; } = "";

    private MudForm _form = null!;
    private string _email = "";
    private bool _isValid;
    private bool _isSending;

    private void Cancel() => MudDialog.Cancel();

    private async Task Send()
    {
        await _form.Validate();
        if (!_isValid) return;

        _isSending = true;
        StateHasChanged();

        try
        {
            var currentUser = await UserService.GetCurrentUserAsync();
            if (currentUser is null)
            {
                Snackbar.Add("Nicht angemeldet", Severity.Error);
                return;
            }

            // Create invitation with 7 days expiry
            var dto = new CreateClubInvitationDto
            {
                ClubId = ClubId,
                ExpiresAt = DateTime.UtcNow.AddDays(7),
                MaxUses = 1
            };

            var invitation = await ClubService.CreateInvitationAsync(dto, currentUser.ProfileId);

            // Build invite URL
            var baseUrl = NavigationManager.BaseUri.TrimEnd('/');
            var inviteUrl = $"{baseUrl}/club/join/{invitation.Token}";

            // Send email
            var sent = await EmailService.SendClubInvitationEmailAsync(_email, inviteUrl, ClubName, ClubId);

            if (sent)
            {
                Snackbar.Add($"Einladung an {_email} gesendet", Severity.Success);
                MudDialog.Close(DialogResult.Ok(true));
            }
            else
            {
                Snackbar.Add("E-Mail konnte nicht gesendet werden", Severity.Error);
            }
        }
        catch (Exception ex)
        {
            Snackbar.Add($"Fehler: {ex.Message}", Severity.Error);
        }
        finally
        {
            _isSending = false;
            StateHasChanged();
        }
    }
}