using System;
using System.Threading.Tasks;

namespace ManagerService.Services
{
    /// <summary>
    /// Transactional emails for onboarding, account management and billing.
    /// Implemented by <see cref="LoggingEmailService"/> for now (logs only) — replaced by a
    /// Resend-backed implementation with the real HTML templates.
    /// </summary>
    public interface IEmailService
    {
        Task SendWelcomeEmailAsync(string toEmail, string firstName, string loginUrl);

        Task SendTrialStartedEmailAsync(string toEmail, string firstName, DateTime trialEndsAt);

        Task SendTrialCheckInEmailAsync(string toEmail, string firstName);

        Task SendTrialEndingReminderEmailAsync(string toEmail, string firstName, DateTime trialEndsAt, string checkoutUrl);

        Task SendTrialLastDayEmailAsync(string toEmail, string firstName, string checkoutUrl);

        Task SendPaymentConfirmedEmailAsync(string toEmail, string firstName);

        Task SendPaymentFailedEmailAsync(string toEmail, string firstName, string customerPortalUrl);

        Task SendUserInvitationEmailAsync(string toEmail, string setPasswordUrl);

        Task SendPasswordResetEmailAsync(string toEmail, string firstName, string resetUrl);

        Task NotifyAdminAsync(string subject, string message);
    }
}