using MailKit.Net.Smtp;
using MimeKit;

namespace CalendarReminder.Api.Services;

public class EmailSettings
{
    public string Host { get; set; } = "";
    public int Port { get; set; } = 587;
    public string Username { get; set; } = "";
    public string Password { get; set; } = "";
    public string From { get; set; } = "";
    public bool UseSsl { get; set; } = false;
}

public class EmailService
{
    private readonly EmailSettings _settings;
    private readonly ILogger<EmailService> _logger;

    public EmailService(IConfiguration config, ILogger<EmailService> logger)
    {
        _settings = config.GetSection("Email").Get<EmailSettings>() ?? new EmailSettings();
        _logger = logger;
    }

    public async Task SendAsync(string toEmail, string toName, string subject, string body)
    {
        try
        {
            var message = new MimeMessage();
            message.From.Add(new MailboxAddress("CalendarReminder", _settings.From));
            message.To.Add(new MailboxAddress(toName, toEmail));
            message.Subject = subject;
            message.Body = new TextPart("html") { Text = body };

            using var client = new SmtpClient();
            await client.ConnectAsync(_settings.Host, _settings.Port, _settings.UseSsl);
            if (!string.IsNullOrEmpty(_settings.Username))
                await client.AuthenticateAsync(_settings.Username, _settings.Password);
            await client.SendAsync(message);
            await client.DisconnectAsync(true);

            _logger.LogInformation("Email odoslaný na {Email}", toEmail);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Chyba pri odosielaní emailu na {Email}", toEmail);
        }
    }
}