#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <sstream>
#include <string>

#include "pch.h"

#include "version.h"

namespace mongo {

    //
    // mongo processes version support
    //

    const char versionString[] = "1.5.3-pre-";

    string mongodVersion() {
        stringstream ss;
        ss << "db version v" << versionString << ", pdfile version " << VERSION << "." << VERSION_MINOR;
        return ss.str();
    }

    //
    // git version support
    //

#ifndef _SCONS
    // only works in scons
    const char * gitVersion(){ return "not-scons"; }
#endif

    void printGitVersion() { log() << "git version: " << gitVersion() << endl; }

    //
    // sys info support
    //

#ifndef _SCONS
#if defined(_WIN32)
    string sysInfo(){ 
        stringstream ss;
        ss << "not-scons win";
        ss << " mscver:" << _MSC_FULL_VER << " built:" << __DATE__;
        ss << " boostver:" << BOOST_VERSION;
#if( !defined(_MT) )
#error _MT is not defined
#endif
        ss << (sizeof(char *) == 8) ? " 64bit" : " 32bit";
        return ss.str();
    }
#else
    string sysInfo(){ return ""; }
#endif
#endif

    void printSysInfo() { log() << "sys info: " << sysInfo() << endl; }

    //
    // 32 bit systems warning
    //

    void show_32_warning(){
#if BOOST_VERSION < 103500
        cout << "\nwarning: built with boost version <= 1.34, limited concurrency" << endl;
#endif

        {
            const char * foo = strchr( versionString , '.' ) + 1;
            int bar = atoi( foo );
            if ( ( 2 * ( bar / 2 ) ) != bar ){
                log() << "****\n";
                log() << "WARNING: This is development a version (" << versionString << ") of MongoDB.  Not recommended for production.\n";
                log() << "****" << endl;
            }
                
        }

        if ( sizeof(int*) != 4 )
            return;
        cout << endl;
        cout << "** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data" << endl;
        cout << "**       see http://blog.mongodb.org/post/137788967/32-bit-limitations for more" << endl;
        cout << endl;
    }

}