/* Copyright 2001 Mike McCormack
 * Copyright 2003 Juan Lang
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"

#include "wine/debug.h"
#include "lm.h"
#include "lmat.h"
#include "netbios.h"

WINE_DEFAULT_DEBUG_CHANNEL(netbios);

static HMODULE NETAPI32_hModule;

BOOL NETAPI_IsLocalComputer(LMCSTR ServerName);

BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
    TRACE("%p,%x,%p\n", hinstDLL, fdwReason, lpvReserved);

    switch (fdwReason) {
        case DLL_PROCESS_ATTACH:
        {
            DisableThreadLibraryCalls(hinstDLL);
            NETAPI32_hModule = hinstDLL;
            NetBIOSInit();
            NetBTInit();
            break;
        }
        case DLL_PROCESS_DETACH:
        {
            NetBIOSShutdown();
            break;
        }
    }

    return TRUE;
}

/************************************************************
 *                NetServerEnum (NETAPI32.@)
 */
NET_API_STATUS  WINAPI NetServerEnum(
  LMCSTR servername,
  DWORD level,
  LPBYTE* bufptr,
  DWORD prefmaxlen,
  LPDWORD entriesread,
  LPDWORD totalentries,
  DWORD servertype,
  LMCSTR domain,
  LPDWORD resume_handle
)
{
    FIXME("Stub (%s %d %p %d %p %p %d %s %p)\n", debugstr_w(servername),
     level, bufptr, prefmaxlen, entriesread, totalentries, servertype,
     debugstr_w(domain), resume_handle);

    return ERROR_NO_BROWSER_SERVERS_FOUND;
}

/************************************************************
 *                NetServerEnumEx (NETAPI32.@)
 */
NET_API_STATUS WINAPI NetServerEnumEx(
    LMCSTR ServerName,
    DWORD Level,
    LPBYTE *Bufptr,
    DWORD PrefMaxlen,
    LPDWORD EntriesRead,
    LPDWORD totalentries,
    DWORD servertype,
    LMCSTR domain,
    LMCSTR FirstNameToReturn)
{
    FIXME("Stub (%s %d %p %d %p %p %d %s %p)\n", debugstr_w(ServerName),
     Level, Bufptr, PrefMaxlen, EntriesRead, totalentries, servertype,
     debugstr_w(domain), debugstr_w(FirstNameToReturn));
                                                                                
    return ERROR_NO_BROWSER_SERVERS_FOUND;
}

/************************************************************
 *                NetServerDiskEnum (NETAPI32.@)
 */
NET_API_STATUS WINAPI NetServerDiskEnum(
    LMCSTR ServerName,
    DWORD Level,
    LPBYTE *Bufptr,
    DWORD PrefMaxlen,
    LPDWORD EntriesRead,
    LPDWORD totalentries,
    LPDWORD Resume_Handle)
{
    FIXME("Stub (%s %d %p %d %p %p %p)\n", debugstr_w(ServerName),
     Level, Bufptr, PrefMaxlen, EntriesRead, totalentries, Resume_Handle);

    return ERROR_NO_BROWSER_SERVERS_FOUND;
}

/************************************************************
 *                NetServerGetInfo  (NETAPI32.@)
 */
NET_API_STATUS WINAPI NetServerGetInfo(LMSTR servername, DWORD level, LPBYTE* bufptr)
{
    NET_API_STATUS ret;

    TRACE("%s %d %p\n", debugstr_w( servername ), level, bufptr );
    if (servername)
    {
        if (!NETAPI_IsLocalComputer(servername))
        {
            FIXME("remote computers not supported\n");
            return ERROR_INVALID_LEVEL;
        }
    }
    if (!bufptr) return ERROR_INVALID_PARAMETER;

    switch (level)
    {
        case 100:
        case 101:
        {
            DWORD computerNameLen, size;
            WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];

            computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
            GetComputerNameW(computerName, &computerNameLen);
            computerNameLen++; /* include NULL terminator */

            size = sizeof(SERVER_INFO_101) + computerNameLen * sizeof(WCHAR);
            ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
            if (ret == NERR_Success)
            {
                /* INFO_100 structure is a subset of INFO_101 */
                PSERVER_INFO_101 info = (PSERVER_INFO_101)*bufptr;
                OSVERSIONINFOW verInfo;

                info->sv101_platform_id = PLATFORM_ID_NT;
                info->sv101_name = (LMSTR)(*bufptr + sizeof(SERVER_INFO_101));
                memcpy(info->sv101_name, computerName,
                       computerNameLen * sizeof(WCHAR));
                verInfo.dwOSVersionInfoSize = sizeof(verInfo);
                GetVersionExW(&verInfo);
                info->sv101_version_major = verInfo.dwMajorVersion;
                info->sv101_version_minor = verInfo.dwMinorVersion;
                 /* Use generic type as no wine equivalent of DC / Server */
                info->sv101_type = SV_TYPE_NT;
                info->sv101_comment = NULL;
            }
            break;
        }

        default:
            FIXME("level %d unimplemented\n", level);
            ret = ERROR_INVALID_LEVEL;
    }
    return ret;
}


/************************************************************
 *                NetStatisticsGet  (NETAPI32.@)
 */
NET_API_STATUS WINAPI NetStatisticsGet(LMSTR server, LMSTR service,
                                       DWORD level, DWORD options,
                                       LPBYTE *bufptr)
{
    TRACE("(%p, %p, %d, %d, %p)\n", server, service, level, options, bufptr);
    return NERR_InternalError;
}

DWORD WINAPI NetpNetBiosStatusToApiStatus(DWORD nrc)
{
    DWORD ret;

    switch (nrc)
    {
        case NRC_GOODRET:
            ret = NO_ERROR;
            break;
        case NRC_NORES:
            ret = NERR_NoNetworkResource;
            break;
        case NRC_DUPNAME:
            ret = NERR_AlreadyExists;
            break;
        case NRC_NAMTFUL:
            ret = NERR_TooManyNames;
            break;
        case NRC_ACTSES:
            ret = NERR_DeleteLater;
            break;
        case NRC_REMTFUL:
            ret = ERROR_REM_NOT_LIST;
            break;
        case NRC_NOCALL:
            ret = NERR_NameNotFound;
            break;
        case NRC_NOWILD:
            ret = ERROR_INVALID_PARAMETER;
            break;
        case NRC_INUSE:
            ret = NERR_DuplicateName;
            break;
        case NRC_NAMERR:
            ret = ERROR_INVALID_PARAMETER;
            break;
        case NRC_NAMCONF:
            ret = NERR_DuplicateName;
            break;
        default:
            ret = NERR_NetworkError;
    }
    return ret;
}

NET_API_STATUS WINAPI NetUseEnum(LMSTR server, DWORD level, LPBYTE* bufptr, DWORD prefmaxsize,
                          LPDWORD entriesread, LPDWORD totalentries, LPDWORD resumehandle)
{
    FIXME("stub (%p, %d, %p, %d, %p, %p, %p)\n", server, level, bufptr, prefmaxsize,
           entriesread, totalentries, resumehandle);
    return ERROR_NOT_SUPPORTED;
}

NET_API_STATUS WINAPI NetScheduleJobEnum(LPCWSTR server, LPBYTE* bufptr, DWORD prefmaxsize, LPDWORD entriesread,
                                         LPDWORD totalentries, LPDWORD resumehandle)
{
    FIXME("stub (%s, %p, %d, %p, %p, %p)\n", debugstr_w(server), bufptr, prefmaxsize, entriesread, totalentries, resumehandle);
    *entriesread = 0;
    *totalentries = 0;
    return NERR_Success;
}

NET_API_STATUS WINAPI NetUseGetInfo(LMSTR server, LMSTR name, DWORD level, LPBYTE *bufptr)
{
    FIXME("stub (%p, %p, %d, %p)\n", server, name, level, bufptr);
    return ERROR_NOT_SUPPORTED;

}