/* Hey, Emacs, treat this as -*- C -*- ! */
/*  $Id$
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 * 
 * ===========================================================================
 *
 * Author:  Aaron Ucko
 *
 * File Description:
 *   Access to miscellaneous global configuration settings
 *
 */

#include <corelib/ncbicfg.h>
#include <stdlib.h>

#ifdef NCBI_OS_UNIX
#  include <unistd.h>
#endif

#include <corelib/ncbi_base_build_ver.h>
#undef NCBI_GIT_BRANCH
#undef NCBI_REVISION
#undef NCBI_SUBVERSION_REVISION
#undef NCBI_TEAMCITY_BUILD_NUMBER
#undef NCBI_TEAMCITY_PROJECT_NAME
#undef NCBI_TEAMCITY_BUILDCONF_NAME
#undef NCBI_TEAMCITY_BUILD_ID
#ifdef HAVE_COMMON_NCBI_BUILD_VER_H
#  include <common/ncbi_build_ver.h>
#endif
#ifndef NCBI_GIT_BRANCH
#  define NCBI_GIT_BRANCH ""
#endif
#ifndef NCBI_REVISION
#  define NCBI_REVISION ""
#endif
#ifndef NCBI_SUBVERSION_REVISION
#  define NCBI_SUBVERSION_REVISION 0
#endif
#ifndef NCBI_TEAMCITY_BUILD_NUMBER
#  define NCBI_TEAMCITY_BUILD_NUMBER   0
#  define NCBI_TEAMCITY_PROJECT_NAME   ""
#  define NCBI_TEAMCITY_BUILDCONF_NAME ""
#  define NCBI_TEAMCITY_BUILD_ID       ""
#endif

/*

 On UNIX the value of s_DefaultRunpath[] will be replaced at configure step
 with runpath specified to configure.

 On MS Windows you can set up a base directory for runpath using
 environtment variable NCBI_INSTALL_PATH before building CONFIGURE
 project in MSVC 7.* build tree. If this env.variable is not defined,
 that current build path will be used as runpath.

*/

static const char s_DefaultRunpath[] = "@c_ncbi_runpath@";
static const char *s_Runpath         = s_DefaultRunpath;

static const char s_DefaultSybaseLocalPath[] = "@SYBASE_LCL_PATH@";
static const char s_DefaultSybaseNetPath[]   = "@SYBASE_PATH@";
static const char *s_DefaultSybasePath       = 0;
static const char *s_SybasePath              = 0;

static const char s_BuildFeatures[] = "@FEATURES@";

const char* NCBI_GetDefaultRunpath(void)
{
    return s_DefaultRunpath;
}


const char* NCBI_GetRunpath(void)
{
    return s_Runpath;
}


void NCBI_SetRunpath(const char* runpath)
{
    s_Runpath = runpath;
}


const char* NCBI_GetDefaultSybasePath(void)
{
    if ( !s_DefaultSybasePath ) {
#ifdef NCBI_OS_UNIX
        if (sizeof(s_DefaultSybaseLocalPath) > 1
            &&  access(s_DefaultSybaseLocalPath, R_OK | X_OK) >= 0) {
            s_DefaultSybasePath = s_DefaultSybaseLocalPath;
        } else {
            s_DefaultSybasePath = s_DefaultSybaseNetPath;
        }
#else
        s_DefaultSybasePath = s_DefaultSybaseNetPath;
#endif
    }
    return s_DefaultSybasePath;
}


const char* NCBI_GetSybasePath(void)
{
    if ( !s_SybasePath ) {
        s_SybasePath = NCBI_GetDefaultSybasePath();
    }
    return s_SybasePath;
}


void NCBI_SetSybasePath(const char* sybpath)
{
    s_SybasePath = sybpath;
}


const char* NCBI_GetBuildFeatures(void)
{
    return s_BuildFeatures;
}

double NCBI_GetCheckTimeoutMult(void)
{
    static double check_mult = 0;

    if (check_mult == 0) {
        double env_val = 0;
        const char* env_str = getenv("NCBI_CHECK_TIMEOUT_MULT");
        if (env_str)
            env_val = strtod(env_str, NULL);
        if (env_val <= 0)
            env_val = 1;

        check_mult = env_val;
    }

    return check_mult;
}

/* Cover ncbi_base_build_ver.h */
#if defined(NCBI_OS_MSWIN)  &&  defined(NCBI_DLL_BUILD)
#  define EXPOSE_METADATA(type, macro, symbol) \
    NCBI_XNCBI_EXPORT \
    type g_NCBI_##symbol(void) \
    { \
        return NCBI_##macro; \
    }
#else
#  define EXPOSE_METADATA(type, macro, symbol) \
    const type kNCBI_##symbol = NCBI_##macro;
#endif

EXPOSE_METADATA(TStringLiteral, GIT_BRANCH,              GitBranch)
EXPOSE_METADATA(TStringLiteral, REVISION,                Revision)
EXPOSE_METADATA(int,            SUBVERSION_REVISION,     SubversionRevision)
EXPOSE_METADATA(TStringLiteral, TEAMCITY_BUILDCONF_NAME, TeamCityBuildConfName)
EXPOSE_METADATA(TStringLiteral, TEAMCITY_BUILD_ID,       TeamCityBuildID)
EXPOSE_METADATA(int,            TEAMCITY_BUILD_NUMBER,   TeamCityBuildNumber)
EXPOSE_METADATA(TStringLiteral, TEAMCITY_PROJECT_NAME,   TeamCityProjectName)