/**
 * SMB2/3 Protocol Constants and Enumerations
 * Based on MS-SMB2 specification
 */

// SMB2 Protocol Magic Number
export const SMB2_PROTOCOL_ID = 0x424D53FE; // "\xfeSMB" in little endian

// SMB2 Header Size
export const SMB2_HEADER_SIZE = 64;

// SMB2 Dialect Revisions
export enum SMB2_DIALECTS {
  SMB2_0_2 = 0x0202,
  SMB2_1_0 = 0x0210,
  SMB3_0_0 = 0x0300,
  SMB3_0_2 = 0x0302,
  SMB3_1_1 = 0x0311,
}

// SMB2 Command Codes
export enum SMB2_COMMANDS {
  NEGOTIATE = 0x0000,
  SESSION_SETUP = 0x0001,
  LOGOFF = 0x0002,
  TREE_CONNECT = 0x0003,
  TREE_DISCONNECT = 0x0004,
  CREATE = 0x0005,
  CLOSE = 0x0006,
  FLUSH = 0x0007,
  READ = 0x0008,
  WRITE = 0x0009,
  LOCK = 0x000A,
  IOCTL = 0x000B,
  CANCEL = 0x000C,
  ECHO = 0x000D,
  QUERY_DIRECTORY = 0x000E,
  CHANGE_NOTIFY = 0x000F,
  QUERY_INFO = 0x0010,
  SET_INFO = 0x0011,
  OPLOCK_BREAK = 0x0012,
}

// SMB2 Status Codes
export enum SMB2_STATUS {
  SUCCESS = 0x00000000,
  INVALID_PARAMETER = 0xC000000D,
  NO_SUCH_FILE = 0xC000000F,
  ACCESS_DENIED = 0xC0000022,
  BUFFER_TOO_SMALL = 0xC0000023,
  OBJECT_NAME_INVALID = 0xC0000033,
  OBJECT_NAME_NOT_FOUND = 0xC0000034,
  OBJECT_NAME_COLLISION = 0xC0000035,
  OBJECT_PATH_INVALID = 0xC0000039,
  OBJECT_PATH_NOT_FOUND = 0xC000003A,
  SHARING_VIOLATION = 0xC0000043,
  DELETE_PENDING = 0xC0000056,
  DIRECTORY_NOT_EMPTY = 0xC0000066,
  NOT_A_DIRECTORY = 0xC0000103,
  FILE_IS_A_DIRECTORY = 0xC00000BA,
  NETWORK_NAME_DELETED = 0xC00000C9,
  BAD_NETWORK_NAME = 0xC00000CC,
  REQUEST_NOT_ACCEPTED = 0xC00000D0,
  MORE_PROCESSING_REQUIRED = 0xC0000016,
  LOGON_FAILURE = 0xC000006D,
  LOGON_TYPE_NOT_GRANTED = 0xC000015B,
}

// SMB2 Header Flags
export enum SMB2_FLAGS {
  SERVER_TO_REDIR = 0x00000001,
  ASYNC_COMMAND = 0x00000002,
  RELATED_OPERATIONS = 0x00000004,
  SIGNED = 0x00000008,
  PRIORITY_MASK = 0x00000070,
  DFS_OPERATIONS = 0x10000000,
  REPLAY_OPERATION = 0x20000000,
}

// SMB2 Security Modes
export enum SMB2_NEGOTIATE_SIGNING {
  ENABLED = 0x0001,
  REQUIRED = 0x0002,
}

// SMB2 Capabilities
export enum SMB2_GLOBAL_CAP {
  DFS = 0x00000001,
  LEASING = 0x00000002,
  LARGE_MTU = 0x00000004,
  MULTI_CHANNEL = 0x00000008,
  PERSISTENT_HANDLES = 0x00000010,
  DIRECTORY_LEASING = 0x00000020,
  ENCRYPTION = 0x00000040,
}

// File Attributes
export enum FILE_ATTRIBUTES {
  READONLY = 0x00000001,
  HIDDEN = 0x00000002,
  SYSTEM = 0x00000004,
  DIRECTORY = 0x00000010,
  ARCHIVE = 0x00000020,
  NORMAL = 0x00000080,
  TEMPORARY = 0x00000100,
  SPARSE_FILE = 0x00000200,
  REPARSE_POINT = 0x00000400,
  COMPRESSED = 0x00000800,
  OFFLINE = 0x00001000,
  NOT_CONTENT_INDEXED = 0x00002000,
  ENCRYPTED = 0x00004000,
  INTEGRITY_STREAM = 0x00008000,
  NO_SCRUB_DATA = 0x00020000,
}

// Access Rights
export enum ACCESS_MASK {
  FILE_READ_DATA = 0x00000001,
  FILE_WRITE_DATA = 0x00000002,
  FILE_APPEND_DATA = 0x00000004,
  FILE_READ_EA = 0x00000008,
  FILE_WRITE_EA = 0x00000010,
  FILE_EXECUTE = 0x00000020,
  FILE_READ_ATTRIBUTES = 0x00000080,
  FILE_WRITE_ATTRIBUTES = 0x00000100,
  DELETE = 0x00010000,
  READ_CONTROL = 0x00020000,
  WRITE_DAC = 0x00040000,
  WRITE_OWNER = 0x00080000,
  SYNCHRONIZE = 0x00100000,
  ACCESS_SYSTEM_SECURITY = 0x01000000,
  MAXIMUM_ALLOWED = 0x02000000,
  GENERIC_ALL = 0x10000000,
  GENERIC_EXECUTE = 0x20000000,
  GENERIC_WRITE = 0x40000000,
  GENERIC_READ = 0x80000000,
}

// Share Access Rights
export enum SHARE_ACCESS {
  NONE = 0x00000000,
  READ = 0x00000001,
  WRITE = 0x00000002,
  DELETE = 0x00000004,
}

// Create Disposition
export enum CREATE_DISPOSITION {
  SUPERSEDE = 0x00000000,
  OPEN = 0x00000001,
  CREATE = 0x00000002,
  OPEN_IF = 0x00000003,
  OVERWRITE = 0x00000004,
  OVERWRITE_IF = 0x00000005,
}

// Create Options
export enum CREATE_OPTIONS {
  DIRECTORY_FILE = 0x00000001,
  WRITE_THROUGH = 0x00000002,
  SEQUENTIAL_ONLY = 0x00000004,
  NO_INTERMEDIATE_BUFFERING = 0x00000008,
  SYNCHRONOUS_IO_ALERT = 0x00000010,
  SYNCHRONOUS_IO_NONALERT = 0x00000020,
  NON_DIRECTORY_FILE = 0x00000040,
  COMPLETE_IF_OPLOCKED = 0x00000100,
  NO_EA_KNOWLEDGE = 0x00000200,
  RANDOM_ACCESS = 0x00000800,
  DELETE_ON_CLOSE = 0x00001000,
  OPEN_BY_FILE_ID = 0x00002000,
  OPEN_FOR_BACKUP_INTENT = 0x00004000,
  NO_COMPRESSION = 0x00008000,
  OPEN_REMOTE_INSTANCE = 0x00000400,
  OPEN_REQUIRING_OPLOCK = 0x00010000,
  DISALLOW_EXCLUSIVE = 0x00020000,
  RESERVE_OPFILTER = 0x00100000,
  OPEN_REPARSE_POINT = 0x00200000,
  OPEN_NO_RECALL = 0x00400000,
  OPEN_FOR_FREE_SPACE_QUERY = 0x00800000,
}

// Oplock Levels
export enum OPLOCK_LEVEL {
  NONE = 0x00,
  II = 0x01,
  EXCLUSIVE = 0x08,
  BATCH = 0x09,
  LEASE = 0xFF,
}

// Information Classes
export enum FILE_INFORMATION_CLASS {
  FileDirectoryInformation = 1,
  FileFullDirectoryInformation = 2,
  FileBothDirectoryInformation = 3,
  FileBasicInformation = 4,
  FileStandardInformation = 5,
  FileInternalInformation = 6,
  FileEaInformation = 7,
  FileAccessInformation = 8,
  FileNameInformation = 9,
  FileRenameInformation = 10,
  FileLinkInformation = 11,
  FileNamesInformation = 12,
  FileDispositionInformation = 13,
  FilePositionInformation = 14,
  FileFullEaInformation = 15,
  FileModeInformation = 16,
  FileAlignmentInformation = 17,
  FileAllInformation = 18,
  FileAllocationInformation = 19,
  FileEndOfFileInformation = 20,
  FileAlternateNameInformation = 21,
  FileStreamInformation = 22,
  FilePipeInformation = 23,
  FilePipeLocalInformation = 24,
  FilePipeRemoteInformation = 25,
  FileMailslotQueryInformation = 26,
  FileMailslotSetInformation = 27,
  FileCompressionInformation = 28,
  FileObjectIdInformation = 29,
  FileCompletionInformation = 30,
  FileMoveClusterInformation = 31,
  FileQuotaInformation = 32,
  FileReparsePointInformation = 33,
  FileNetworkOpenInformation = 34,
  FileAttributeTagInformation = 35,
  FileTrackingInformation = 36,
  FileIdBothDirectoryInformation = 37,
  FileIdFullDirectoryInformation = 38,
  FileValidDataLengthInformation = 39,
  FileShortNameInformation = 40,
  FileIoCompletionNotificationInformation = 41,
  FileIoStatusBlockRangeInformation = 42,
  FileIoPriorityHintInformation = 43,
  FileSfioReserveInformation = 44,
  FileSfioVolumeInformation = 45,
  FileHardLinkInformation = 46,
  FileProcessIdsUsingFileInformation = 47,
  FileNormalizedNameInformation = 48,
  FileNetworkPhysicalNameInformation = 49,
  FileIdGlobalTxDirectoryInformation = 50,
  FileIsRemoteDeviceInformation = 51,
  FileUnusedInformation = 52,
  FileNumaNodeInformation = 53,
  FileStandardLinkInformation = 54,
  FileRemoteProtocolInformation = 55,
  FileRenameInformationBypassAccessCheck = 56,
  FileLinkInformationBypassAccessCheck = 57,
  FileVolumeNameInformation = 58,
  FileIdInformation = 59,
  FileIdExtdDirectoryInformation = 60,
  FileReplaceCompletionInformation = 61,
  FileHardLinkFullIdInformation = 62,
  FileIdExtdBothDirectoryInformation = 63,
}

// Security Information
export enum SECURITY_INFORMATION {
  OWNER = 0x00000001,
  GROUP = 0x00000002,
  DACL = 0x00000004,
  SACL = 0x00000008,
  LABEL = 0x00000010,
  ATTRIBUTE = 0x00000020,
  SCOPE = 0x00000040,
  BACKUP = 0x00010000,
}

// Tree Connect Flags
export enum TREE_CONNECT_FLAGS {
  CLUSTER_RECONNECT = 0x0001,
  REDIRECT_TO_OWNER = 0x0002,
  EXTENSION_PRESENT = 0x0004,
}

// Share Type
export enum SHARE_TYPE {
  DISK = 0x01,
  PIPE = 0x02,
  PRINT = 0x03,
}

// Share Flags
export enum SHARE_FLAGS {
  MANUAL_CACHING = 0x00000000,
  AUTO_CACHING = 0x00000010,
  VDO_CACHING = 0x00000020,
  NO_CACHING = 0x00000030,
  DFS = 0x00000001,
  DFS_ROOT = 0x00000002,
  RESTRICT_EXCLUSIVE_OPENS = 0x00000100,
  FORCE_SHARED_DELETE = 0x00000200,
  ALLOW_NAMESPACE_CACHING = 0x00000400,
  ACCESS_BASED_DIRECTORY_ENUM = 0x00000800,
  FORCE_LEVELII_OPLOCK = 0x00001000,
  ENABLE_HASH_V1 = 0x00002000,
  ENABLE_HASH_V2 = 0x00004000,
  ENCRYPT_DATA = 0x00008000,
}

// Share Capabilities
export enum SHARE_CAPABILITIES {
  DFS = 0x00000008,
  CONTINUOUS_AVAILABILITY = 0x00000010,
  SCALEOUT = 0x00000020,
  CLUSTER = 0x00000040,
  ASYMMETRIC = 0x00000080,
  REDIRECT_TO_OWNER = 0x00000100,
}

// SMB2 Transform Header
export const SMB2_TRANSFORM_PROTOCOL_ID = 0x424D53FD; // "\xfdSMB"
export const SMB2_TRANSFORM_HEADER_SIZE = 52;

// Encryption Algorithms
export enum SMB2_ENCRYPTION_ALGORITHMS {
  AES128_CCM = 0x0001,
  AES128_GCM = 0x0002,
  AES256_CCM = 0x0003,
  AES256_GCM = 0x0004,
}

// Signing Algorithms
export enum SMB2_SIGNING_ALGORITHMS {
  HMAC_SHA256 = 0x0000,
  AES_CMAC = 0x0001,
  AES_GMAC = 0x0002,
}

// Preauth Integrity Hash IDs
export enum SMB2_PREAUTH_INTEGRITY_HASH_ID {
  SHA512 = 0x0001,
}

// Compression Algorithms
export enum SMB2_COMPRESSION_ALGORITHMS {
  NONE = 0x0000,
  LZNT1 = 0x0001,
  LZ77 = 0x0002,
  LZ77_HUFFMAN = 0x0003,
  PATTERN_V1 = 0x0004,
}

// Default Values
export const DEFAULT_MAX_TRANSACT_SIZE = 65536;
export const DEFAULT_MAX_READ_SIZE = 65536;
export const DEFAULT_MAX_WRITE_SIZE = 65536;
export const DEFAULT_SESSION_TIMEOUT = 60; // seconds
export const DEFAULT_CREDIT_CHARGE = 1;
export const MIN_CREDIT_CHARGE = 1;
export const MAX_CREDIT_CHARGE = 65535;

// Buffer sizes
export const MAX_BUFFER_SIZE = 16 * 1024 * 1024; // 16MB
export const MIN_BUFFER_SIZE = 512;
export const PREFERRED_BUFFER_SIZE = 64 * 1024; // 64KB

// Timeouts
export const NETWORK_TIMEOUT = 30000; // 30 seconds
export const SESSION_TIMEOUT = 300000; // 5 minutes
export const TREE_CONNECT_TIMEOUT = 60000; // 1 minute