@rendermode @(new InteractiveServerRenderMode(prerender: false))
@inject IJSRuntime JS
@inject ApiClientService ApiClient
@inject AuthenticationStateProvider AuthStateProvider

@code {
    private bool _hasRun;

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (_hasRun || !firstRender)
        {
            return;
        }

        _hasRun = true;

        var authState = await AuthStateProvider.GetAuthenticationStateAsync();
        if (authState.User.Identity?.IsAuthenticated != true)
        {
            return;
        }

        try
        {
            var token = await JS.InvokeAsync<string?>("ttsFirebase.getRegistrationToken");
            if (string.IsNullOrWhiteSpace(token))
            {
                Console.WriteLine("[DEBUG FirebaseTokenSync] FCM registration token is empty or null.");
                return;
            }

            var client = ApiClient.CreateClient(authState.User);
            var response = await client.PostAsJsonAsync("UserDevices/register", new RegisterDeviceTokenDto
            {
                FcmToken = token
            });
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine("[DEBUG FirebaseTokenSync] Successfully registered FCM token.");
            }
            else
            {
                var error = await response.Content.ReadAsStringAsync();
                Console.WriteLine($"[DEBUG FirebaseTokenSync] Failed to register token with API: {response.StatusCode} - {error}");
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine($"[DEBUG FirebaseTokenSync] Exception occurred: {ex.Message}\n{ex.StackTrace}");
        }
    }
}