/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 *
 *   Copyright (C) 2010 by Dominik Wenger
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "serverinfo.h"
#include "rbsettings.h"
#include "systeminfo.h"

#if defined(Q_OS_LINUX)
#include <unistd.h>
#endif

// server infos
const static struct {
    ServerInfo::ServerInfos info;
    const char* name;
    const char* def;
} ServerInfoList[] = {
    { ServerInfo::CurReleaseVersion,    ":platform:/releaseversion", "" },
    { ServerInfo::CurStatus,            ":platform:/status",         "Unknown" },
    { ServerInfo::BleedingRevision,     "bleedingrev",               "" },
    { ServerInfo::BleedingDate,         "bleedingdate",              "" },
};

QMap<QString, QVariant> ServerInfo::serverInfos;

void ServerInfo::readBuildInfo(QString file)
{
    QSettings info(file, QSettings::IniFormat);

    setValue(ServerInfo::BleedingRevision,info.value("bleeding/rev"));
    QDateTime date = QDateTime::fromString(info.value("bleeding/timestamp").toString(), "yyyyMMddThhmmssZ");
    setValue(ServerInfo::BleedingDate,date.toString(Qt::ISODate));

    info.beginGroup("release");
    QStringList keys = info.allKeys();
    info.endGroup();

    // get base platforms, handle variants with platforms in the loop
    QStringList platforms = SystemInfo::platforms(SystemInfo::PlatformBaseDisabled);
    for(int i = 0; i < platforms.size(); i++)
    {
        // check if there are rbutil-variants of the current platform and handle
        // them the same time.
        QStringList variants;
        variants = SystemInfo::platforms(SystemInfo::PlatformVariantDisabled, platforms.at(i));
        QVariant release;
        info.beginGroup("release");
        if(keys.contains(platforms.at(i))) {
            release = info.value(platforms.at(i));
        }

        info.endGroup();
        info.beginGroup("status");
        QString status = tr("Unknown");
        switch(info.value(platforms.at(i)).toInt())
        {
            case 1:
                status = tr("Unusable");
                break;
            case 2:
                status = tr("Unstable");
                break;
            case 3:
                status = tr("Stable");
                break;
            default:
                break;
        }
        info.endGroup();
        // set variants (if any)
        for(int j = 0; j < variants.size(); ++j) {
            setPlatformValue(variants.at(j), ServerInfo::CurStatus, status);
            setPlatformValue(variants.at(j), ServerInfo::CurReleaseVersion, release);
        }
    }
}


QVariant ServerInfo::value(enum ServerInfos info)
{
    // locate info item
    int i = 0;
    while(ServerInfoList[i].info != info)
        i++;

    QString s = ServerInfoList[i].name;
    s.replace(":platform:", RbSettings::value(RbSettings::CurrentPlatform).toString());
    qDebug() << "[ServerInfo] GET:" << s << serverInfos.value(s, ServerInfoList[i].def).toString();
    return serverInfos.value(s, ServerInfoList[i].def);
}

void ServerInfo::setValue(enum ServerInfos setting, QVariant value)
{
   QString empty;
   return setPlatformValue(empty, setting, value);
}

void ServerInfo::setPlatformValue(QString platform, enum ServerInfos info, QVariant value)
{
    // locate setting item
    int i = 0;
    while(ServerInfoList[i].info != info)
        i++;

    QString s = ServerInfoList[i].name;
    s.replace(":platform:", platform);
    serverInfos.insert(s, value);
    qDebug() << "[ServerInfo] SET:" << s << serverInfos.value(s).toString();
}

QVariant ServerInfo::platformValue(QString platform, enum ServerInfos info)
{
    // locate setting item
    int i = 0;
    while(ServerInfoList[i].info != info)
        i++;

    QString s = ServerInfoList[i].name;
    s.replace(":platform:", platform);
    QString d = ServerInfoList[i].def;
    d.replace(":platform:", platform);
    qDebug() << "[ServerInfo] GET" << s << serverInfos.value(s, d).toString();
    return serverInfos.value(s, d);
}