using HanaToolbox.Config;
using HanaToolbox.Logging;
using HanaToolbox.Services.Interfaces;

namespace HanaToolbox.Services;

/// <summary>
/// Sends notifications to a ntfy server.
/// URL and token are read from <see cref="NtfyConfig"/> (set during onboarding).
/// Failures are silently swallowed — notifications must never crash the main flow.
/// </summary>
public sealed class NtfyNotificationService(NtfyConfig config, AppLogger logger)
    : INotificationService
{
    private static readonly HttpClient Http = new();

    public async Task SendAsync(string title, string message, CancellationToken ct = default)
    {
        if (string.IsNullOrWhiteSpace(config.Url) || string.IsNullOrWhiteSpace(config.Token))
        {
            logger.Info("Ntfy not configured — skipping notification.");
            return;
        }

        try
        {
            using var request = new HttpRequestMessage(HttpMethod.Post, config.Url);
            request.Headers.Add("Authorization", $"Bearer {config.Token}");
            request.Headers.Add("Title", title);
            request.Content = new StringContent(message);
            await Http.SendAsync(request, ct);
            logger.Info($"Notification sent: [{title}] {message}");
        }
        catch (Exception ex)
        {
            logger.Warning($"Failed to send ntfy notification: {ex.Message}");
        }
    }
}