namespace Galaeth.Services.Interfaces;

/// <summary>
/// A service providing a blacklist of email domains to prevent abuse.
/// </summary>
public interface IEmailDomainBlacklistService
{
    /// <summary>
    /// Update the blacklist.
    /// </summary>
    Task UpdateBlacklist();

    /// <summary>
    /// Check the email against the blacklist.
    /// </summary>
    /// <param name="emailAddress">The email address to test.</param>
    /// <returns>True if the email address' domain is in the blacklist.</returns>
    Task<bool> CheckBlacklist(string emailAddress);
}