// This code is derived from jcifs smb client library <jcifs at samba dot org>
// Ported by J. Arturo <webmaster at komodosoft dot net>
//  
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
using System;
using System.Collections.Generic;
using System.Net;
using SharpCifs.Util.Sharpen;

namespace SharpCifs.Smb
{
    internal static class SmbConstants
    {
        internal static void ApplyConfig()
        {
            SmbConstants.Laddr = Config.GetLocalHost();
            SmbConstants.Lport = Config.GetInt("jcifs.smb.client.lport", 0);
            SmbConstants.MaxMpxCount = Config.GetInt("jcifs.smb.client.maxMpxCount", SmbConstants.DefaultMaxMpxCount);
            SmbConstants.SndBufSize = Config.GetInt("jcifs.smb.client.snd_buf_size", SmbConstants.DefaultSndBufSize);
            SmbConstants.RcvBufSize = Config.GetInt("jcifs.smb.client.rcv_buf_size", SmbConstants.DefaultRcvBufSize);
            SmbConstants.UseUnicode = Config.GetBoolean("jcifs.smb.client.useUnicode", true);
            SmbConstants.ForceUnicode = Config.GetBoolean("jcifs.smb.client.useUnicode", false);
            SmbConstants.UseNtstatus = Config.GetBoolean("jcifs.smb.client.useNtStatus", true);
            SmbConstants.Signpref = Config.GetBoolean("jcifs.smb.client.signingPreferred", false);
            SmbConstants.UseNtsmbs = Config.GetBoolean("jcifs.smb.client.useNTSmbs", true);
            SmbConstants.UseExtsec = Config.GetBoolean("jcifs.smb.client.useExtendedSecurity", true);
            SmbConstants.NetbiosHostname = Config.GetProperty("jcifs.netbios.hostname", null);
            SmbConstants.LmCompatibility = Config.GetInt("jcifs.smb.lmCompatibility", 3);

            SmbConstants.UseBatching = Config.GetBoolean("jcifs.smb.client.useBatching", true);
            SmbConstants.OemEncoding = Config.GetProperty("jcifs.encoding", Config.DefaultOemEncoding);
            SmbConstants.DefaultFlags2 =
                SmbConstants.Flags2LongFilenames
                | SmbConstants.Flags2ExtendedAttributes
                | (SmbConstants.UseExtsec
                    ? SmbConstants.Flags2ExtendedSecurityNegotiation
                    : 0)
                | (SmbConstants.Signpref
                    ? SmbConstants.Flags2SecuritySignatures
                    : 0)
                | (SmbConstants.UseNtstatus
                    ? SmbConstants.Flags2Status32
                    : 0)
                | (SmbConstants.UseUnicode
                    ? SmbConstants.Flags2Unicode
                    : 0);
            SmbConstants.DefaultCapabilities =
                (SmbConstants.UseNtsmbs
                    ? SmbConstants.CapNtSmbs
                    : 0)
                | (SmbConstants.UseNtstatus
                    ? SmbConstants.CapStatus32
                    : 0)
                | (SmbConstants.UseUnicode
                    ? SmbConstants.CapUnicode
                    : 0)
                | SmbConstants.CapDfs;
            SmbConstants.Flags2 = Config.GetInt("jcifs.smb.client.flags2", SmbConstants.DefaultFlags2);
            SmbConstants.Capabilities = Config.GetInt("jcifs.smb.client.capabilities", SmbConstants.DefaultCapabilities);
            SmbConstants.TcpNodelay = Config.GetBoolean("jcifs.smb.client.tcpNoDelay", false);
            SmbConstants.ResponseTimeout = Config.GetInt("jcifs.smb.client.responseTimeout", SmbConstants.DefaultResponseTimeout);
            SmbConstants.SsnLimit = Config.GetInt("jcifs.smb.client.ssnLimit", SmbConstants.DefaultSsnLimit);
            SmbConstants.SoTimeout = Config.GetInt("jcifs.smb.client.soTimeout", SmbConstants.DefaultSoTimeout);
            SmbConstants.ConnTimeout = Config.GetInt("jcifs.smb.client.connTimeout", SmbConstants.DefaultConnTimeout);
            SmbConstants.NativeOs = Config.GetProperty("jcifs.smb.client.nativeOs", Runtime.GetProperty("os.name"));
            SmbConstants.NativeLanman = Config.GetProperty("jcifs.smb.client.nativeLanMan", "jCIFS");
        }

        public static readonly int DefaultPort = 445;

        public static readonly int DefaultMaxMpxCount = 10;

        public static readonly int DefaultResponseTimeout = 30000;

        public static readonly int DefaultSoTimeout = 35000;

        public static readonly int DefaultRcvBufSize = 60416;

        public static readonly int DefaultSndBufSize = 16644;

        public static readonly int DefaultSsnLimit = 250;

        public static readonly int DefaultConnTimeout = 35000;

        public static IPAddress Laddr { get; internal set; } 
            = Config.GetLocalHost();

        public static int Lport { get; internal set; }
            = Config.GetInt("jcifs.smb.client.lport", 0);

        public static int MaxMpxCount { get; internal set; }
            = Config.GetInt("jcifs.smb.client.maxMpxCount", DefaultMaxMpxCount);

        public static int SndBufSize { get; internal set; }
            = Config.GetInt("jcifs.smb.client.snd_buf_size", DefaultSndBufSize);

        public static int RcvBufSize { get; internal set; }
            = Config.GetInt("jcifs.smb.client.rcv_buf_size", DefaultRcvBufSize);

        public static bool UseUnicode { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.useUnicode", true);

        public static bool ForceUnicode { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.useUnicode", false);

        public static bool UseNtstatus { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.useNtStatus", true);

        public static bool Signpref { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.signingPreferred", false);

        public static bool UseNtsmbs { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.useNTSmbs", true);

        public static bool UseExtsec { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.useExtendedSecurity", true);

        public static string NetbiosHostname { get; internal set; }
            = Config.GetProperty("jcifs.netbios.hostname", null);

        public static int LmCompatibility { get; internal set; }
            = Config.GetInt("jcifs.smb.lmCompatibility", 3);

        public static readonly int FlagsNone = unchecked(0x00);

        public static readonly int FlagsLockAndReadWriteAndUnlock = unchecked(0x01);

        public static readonly int FlagsReceiveBufferPosted = unchecked(0x02);

        public static readonly int FlagsPathNamesCaseless = unchecked(0x08);

        public static readonly int FlagsPathNamesCanonicalized = unchecked(0x10);

        public static readonly int FlagsOplockRequestedOrGranted = unchecked(0x20);

        public static readonly int FlagsNotifyOfModifyAction = unchecked(0x40);

        public static readonly int FlagsResponse = unchecked(0x80);

        public static readonly int Flags2None = unchecked(0x0000);

        public static readonly int Flags2LongFilenames = unchecked(0x0001);

        public static readonly int Flags2ExtendedAttributes = unchecked(0x0002);

        public static readonly int Flags2SecuritySignatures = unchecked(0x0004);

        public static readonly int Flags2ExtendedSecurityNegotiation = unchecked(0x0800);

        public static readonly int Flags2ResolvePathsInDfs = unchecked(0x1000);

        public static readonly int Flags2PermitReadIfExecutePerm = unchecked(0x2000);

        public static readonly int Flags2Status32 = unchecked(0x4000);

        public static readonly int Flags2Unicode = unchecked(0x8000);

        public static readonly int CapNone = unchecked(0x0000);

        public static readonly int CapRawMode = unchecked(0x0001);

        public static readonly int CapMpxMode = unchecked(0x0002);

        public static readonly int CapUnicode = unchecked(0x0004);

        public static readonly int CapLargeFiles = unchecked(0x0008);

        public static readonly int CapNtSmbs = unchecked(0x0010);

        public static readonly int CapRpcRemoteApis = unchecked(0x0020);

        public static readonly int CapStatus32 = unchecked(0x0040);

        public static readonly int CapLevelIiOplocks = unchecked(0x0080);

        public static readonly int CapLockAndRead = unchecked(0x0100);

        public static readonly int CapNtFind = unchecked(0x0200);

        public static readonly int CapDfs = unchecked(0x1000);

        public static readonly int CapExtendedSecurity = unchecked((int)(0x80000000));

        public static readonly int AttrReadonly = unchecked(0x01);

        public static readonly int AttrHidden = unchecked(0x02);

        public static readonly int AttrSystem = unchecked(0x04);

        public static readonly int AttrVolume = unchecked(0x08);

        public static readonly int AttrDirectory = unchecked(0x10);

        public static readonly int AttrArchive = unchecked(0x20);

        public static readonly int AttrCompressed = unchecked(0x800);

        public static readonly int AttrNormal = unchecked(0x080);

        public static readonly int AttrTemporary = unchecked(0x100);

        public static readonly int FileReadData = unchecked(0x00000001);

        public static readonly int FileWriteData = unchecked(0x00000002);

        public static readonly int FileAppendData = unchecked(0x00000004);

        public static readonly int FileReadEa = unchecked(0x00000008);

        public static readonly int FileWriteEa = unchecked(0x00000010);

        public static readonly int FileExecute = unchecked(0x00000020);

        public static readonly int FileDelete = unchecked(0x00000040);

        public static readonly int FileReadAttributes = unchecked(0x00000080);

        public static readonly int FileWriteAttributes = unchecked(0x00000100);

        public static readonly int Delete = unchecked(0x00010000);

        public static readonly int ReadControl = unchecked(0x00020000);

        public static readonly int WriteDac = unchecked(0x00040000);

        public static readonly int WriteOwner = unchecked(0x00080000);

        public static readonly int Synchronize = unchecked(0x00100000);

        public static readonly int GenericAll = unchecked(0x10000000);

        public static readonly int GenericExecute = unchecked(0x20000000);

        public static readonly int GenericWrite = unchecked(0x40000000);

        public static readonly int GenericRead = unchecked((int)(0x80000000));

        public static readonly int FlagsTargetMustBeFile = unchecked(0x0001);

        public static readonly int FlagsTargetMustBeDirectory = unchecked(0x0002);

        public static readonly int FlagsCopyTargetModeAscii = unchecked(0x0004);

        public static readonly int FlagsCopySourceModeAscii = unchecked(0x0008);

        public static readonly int FlagsVerifyAllWrites = unchecked(0x0010);

        public static readonly int FlagsTreeCopy = unchecked(0x0020);

        public static readonly int OpenFunctionFailIfExists = unchecked(0x0000);

        public static readonly int OpenFunctionOverwriteIfExists = unchecked(0x0020);

        public static readonly int Pid = (int)(new Random().NextDouble() * 65536d);

        public static readonly int SecurityShare = unchecked(0x00);

        public static readonly int SecurityUser = unchecked(0x01);

        public static readonly int CmdOffset = 4;

        public static readonly int ErrorCodeOffset = 5;

        public static readonly int FlagsOffset = 9;

        public static readonly int SignatureOffset = 14;

        public static readonly int TidOffset = 24;

        public static readonly int HeaderLength = 32;

        public static readonly long MillisecondsBetween1970And1601 = 11644473600000L;

        public static readonly TimeZoneInfo Tz = TimeZoneInfo.Local;

        public static bool UseBatching { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.useBatching", true);

        public static string OemEncoding { get; internal set; }
            = Config.GetProperty("jcifs.encoding", Config.DefaultOemEncoding);

        public static string UniEncoding = "UTF-16LE";

        public static int DefaultFlags2 { get; internal set; } 
            = Flags2LongFilenames
                | Flags2ExtendedAttributes
                | (UseExtsec
                    ? Flags2ExtendedSecurityNegotiation
                    : 0)
                | (Signpref
                    ? Flags2SecuritySignatures
                    : 0)
                | (UseNtstatus
                    ? Flags2Status32
                    : 0)
                | (UseUnicode
                    ? Flags2Unicode
                    : 0);

        public static int DefaultCapabilities { get; internal set; } 
            = (UseNtsmbs
                ? CapNtSmbs
                : 0)
                | (UseNtstatus
                    ? CapStatus32
                    : 0)
                | (UseUnicode
                    ? CapUnicode
                    : 0)
                | CapDfs;

        public static int Flags2 { get; internal set; }
            = Config.GetInt("jcifs.smb.client.flags2", DefaultFlags2);

        public static int Capabilities { get; internal set; }
            = Config.GetInt("jcifs.smb.client.capabilities", DefaultCapabilities);

        public static bool TcpNodelay { get; internal set; }
            = Config.GetBoolean("jcifs.smb.client.tcpNoDelay", false);

        public static int ResponseTimeout { get; internal set; }
            = Config.GetInt("jcifs.smb.client.responseTimeout", DefaultResponseTimeout);

        public static readonly List<SmbTransport> Connections = new List<SmbTransport>();

        public static int SsnLimit { get; internal set; }
            = Config.GetInt("jcifs.smb.client.ssnLimit", DefaultSsnLimit);

        public static int SoTimeout { get; internal set; }
            = Config.GetInt("jcifs.smb.client.soTimeout", DefaultSoTimeout);

        public static int ConnTimeout { get; internal set; }
            = Config.GetInt("jcifs.smb.client.connTimeout", DefaultConnTimeout);

        public static string NativeOs { get; internal set; }
            = Config.GetProperty("jcifs.smb.client.nativeOs", Runtime.GetProperty("os.name"));

        public static string NativeLanman { get; internal set; }
            = Config.GetProperty("jcifs.smb.client.nativeLanMan", "jCIFS");

        public static readonly int VcNumber = 1;

        public static SmbTransport NullTransport = new SmbTransport(null, 0, null, 0);
        // file attribute encoding
        // extended file attribute encoding(others same as above)
        // access mask encoding
        // 1
        // 2
        // 3
        // 4
        // 5
        // 6
        // 7
        // 8
        // 9
        // 16
        // 17
        // 18
        // 19
        // 20
        // 28
        // 29
        // 30
        // 31
        // flags for move and copy
        // open function
    }
}