using System;

namespace Org.BouncyCastle.Asn1.Cmp
{
	/**
	 * <pre>
	 * PKIFailureInfo ::= BIT STRING {
	 * badAlg               (0),
	 *   -- unrecognized or unsupported Algorithm Identifier
	 * badMessageCheck      (1), -- integrity check failed (e.g., signature did not verify)
	 * badRequest           (2),
	 *   -- transaction not permitted or supported
	 * badTime              (3), -- messageTime was not sufficiently close to the system time, as defined by local policy
	 * badCertId            (4), -- no certificate could be found matching the provided criteria
	 * badDataFormat        (5),
	 *   -- the data submitted has the wrong format
	 * wrongAuthority       (6), -- the authority indicated in the request is different from the one creating the response token
	 * incorrectData        (7), -- the requester's data is incorrect (for notary services)
	 * missingTimeStamp     (8), -- when the timestamp is missing but should be there (by policy)
	 * badPOP               (9)  -- the proof-of-possession failed
	 * timeNotAvailable    (14),
	 *   -- the TSA's time source is not available
	 * unacceptedPolicy    (15),
	 *   -- the requested TSA policy is not supported by the TSA
	 * unacceptedExtension (16),
	 *   -- the requested extension is not supported by the TSA
	 *  addInfoNotAvailable (17)
	 *    -- the additional information requested could not be understood
	 *    -- or is not available
	 *  systemFailure       (25)
	 *    -- the request cannot be handled due to system failure
	 * </pre>
	 */
	public class PkiFailureInfo
		: DerBitString
	{
		public const int BadAlg               = (1 << 7); // unrecognized or unsupported Algorithm Identifier
		public const int BadMessageCheck      = (1 << 6); // integrity check failed (e.g., signature did not verify)
		public const int BadRequest           = (1 << 5);
		public const int BadTime              = (1 << 4); // -- messageTime was not sufficiently close to the system time, as defined by local policy
		public const int BadCertId            = (1 << 3); // no certificate could be found matching the provided criteria
		public const int BadDataFormat        = (1 << 2);
		public const int WrongAuthority       = (1 << 1); // the authority indicated in the request is different from the one creating the response token
		public const int IncorrectData        = 1;        // the requester's data is incorrect (for notary services)
		public const int MissingTimeStamp     = (1 << 15); // when the timestamp is missing but should be there (by policy)
		public const int BadPop               = (1 << 14); // the proof-of-possession failed
		public const int TimeNotAvailable     = (1 << 9); // the TSA's time source is not available
		public const int UnacceptedPolicy     = (1 << 8); // the requested TSA policy is not supported by the TSA
		public const int UnacceptedExtension  = (1 << 23); //the requested extension is not supported by the TSA
		public const int AddInfoNotAvailable  = (1 << 22); //the additional information requested could not be understood or is not available
		public const int SystemFailure        = (1 << 30); //the request cannot be handled due to system failure

		/**
		 * Basic constructor.
		 */
		public PkiFailureInfo(
			int info)
			:	base(GetBytes(info), GetPadBits(info))
		{
		}

		public PkiFailureInfo(
			DerBitString info)
			:	base(info.GetBytes(), info.PadBits)
		{
		}

		public override string ToString()
		{
			return "PkiFailureInfo: 0x" + this.IntValue.ToString("X");
		}
	}
}