// ReSharper disable InconsistentNaming
namespace Swan.Net.Smtp {
  /// <summary>
  /// Enumerates all of the well-known SMTP command names.
  /// </summary>
  public enum SmtpCommandNames {
    /// <summary>
    /// An unknown command
    /// </summary>
    Unknown,

    /// <summary>
    /// The helo command
    /// </summary>
    HELO,

    /// <summary>
    /// The ehlo command
    /// </summary>
    EHLO,

    /// <summary>
    /// The quit command
    /// </summary>
    QUIT,

    /// <summary>
    /// The help command
    /// </summary>
    HELP,

    /// <summary>
    /// The noop command
    /// </summary>
    NOOP,

    /// <summary>
    /// The rset command
    /// </summary>
    RSET,

    /// <summary>
    /// The mail command
    /// </summary>
    MAIL,

    /// <summary>
    /// The data command
    /// </summary>
    DATA,

    /// <summary>
    /// The send command
    /// </summary>
    SEND,

    /// <summary>
    /// The soml command
    /// </summary>
    SOML,

    /// <summary>
    /// The saml command
    /// </summary>
    SAML,

    /// <summary>
    /// The RCPT command
    /// </summary>
    RCPT,

    /// <summary>
    /// The vrfy command
    /// </summary>
    VRFY,

    /// <summary>
    /// The expn command
    /// </summary>
    EXPN,

    /// <summary>
    /// The starttls command
    /// </summary>
    STARTTLS,

    /// <summary>
    /// The authentication command
    /// </summary>
    AUTH,
  }

  /// <summary>
  /// Enumerates the reply code severities.
  /// </summary>
  public enum SmtpReplyCodeSeverities {
    /// <summary>
    /// The unknown severity
    /// </summary>
    Unknown = 0,

    /// <summary>
    /// The positive completion severity
    /// </summary>
    PositiveCompletion = 200,

    /// <summary>
    /// The positive intermediate severity
    /// </summary>
    PositiveIntermediate = 300,

    /// <summary>
    /// The transient negative severity
    /// </summary>
    TransientNegative = 400,

    /// <summary>
    /// The permanent negative severity
    /// </summary>
    PermanentNegative = 500,
  }

  /// <summary>
  /// Enumerates the reply code categories.
  /// </summary>
  public enum SmtpReplyCodeCategories {
    /// <summary>
    /// The unknown category
    /// </summary>
    Unknown = -1,

    /// <summary>
    /// The syntax category
    /// </summary>
    Syntax = 0,

    /// <summary>
    /// The information category
    /// </summary>
    Information = 1,

    /// <summary>
    /// The connections category
    /// </summary>
    Connections = 2,

    /// <summary>
    /// The unspecified a category
    /// </summary>
    UnspecifiedA = 3,

    /// <summary>
    /// The unspecified b category
    /// </summary>
    UnspecifiedB = 4,

    /// <summary>
    /// The system category
    /// </summary>
    System = 5,
  }
}