#include "pvsSettingsManager.h"
#include "TextFile.h"

PVSSettingsManager* PVSSettingsManager::getManager()
{
    if (myself)
        return myself;
    else
        return myself = new PVSSettingsManager;
}

void PVSSettingsManager::setConfigFile(QString path)
{
    if (path.size() && fileExists(path))
    {
        _path = path;
        _parseFile(_path);

    }
    else
        ConsoleLog writeError(QString("Can't open config file \"").append(QString(path).append("\"")));
}

bool PVSSettingsManager::hasEntry(QString name)
{
    for (SettingsIter it = settingsList.begin(); it != settingsList.end(); it++)
    {
        if ((*it).first.compare(name) == 0)
        {
            return true;
        }
    }
    return false;
}

QString PVSSettingsManager::getEntryString(QString name)
{
    for (SettingsIter it = settingsList.begin(); it != settingsList.end(); it++)
    {
        if ((*it).first.compare(name) == 0)
        {
            return (*it).second;
        }
    }
    return QString();
}

void PVSSettingsManager::writeEntry(QString name, QString value)
{
    if (name.size() && value.size())
        return;
    bool unique = true;
    for (SettingsIter it = settingsList.begin(); it != settingsList.end(); it++)
    {
        if ((*it).first.compare(name) == 0)
        {
            unique = false;
            (*it).second = value;
            break;
        }
    }
    if (unique)
    {
        SettingsEntry tmp(name, value);
        settingsList.push_back(tmp);
    }
}


PVSSettingsManager* PVSSettingsManager::myself = NULL;

PVSSettingsManager::PVSSettingsManager()
{

}

void PVSSettingsManager::setConfigs()
{
	//default settings
    _configs.setValue("Chat/chatstate", "on");
    _configs.setValue("Chat/chatmode", "bossmode");
    _configs.setValue("Room/roomId", "0");
    _configs.setValue("VNC/permit", "off");
    _configs.setValue("VNC/quality", "high");
    _configs.sync();
}
void PVSSettingsManager::reWriteConfigs(QString set, QString val)
{
    _configs.setValue(set, val);
    _configs.sync();
}

void PVSSettingsManager::readConfigs(QString sett, QString vall)
{
    //TODO: read the config file..
    _configs.value("Chat/chatstate").toBool();
    _configs.value("Chat/chatmode").toString();
    _configs.value("Room/room").toInt();
    _configs.value("VNC/permit").toBool();
    _configs.value("VNC/quality").toString();
}

void PVSSettingsManager::_parseFile(QString path)
{
    QString line;
    TextFile file(path);

    SettingsList tmpList;

    if (file.good())
    {
        while (!file.eof())
        {
            line = file.readLine();
            if (!(line.length() <=1))	// ignore blank
            {
                if (!(line[0] == '#' || line[0] == '/' || line[0] == '[')) // ignore comments and section headers
                {
                    SettingsEntry tmp = _parseLine(line);
                    if (tmp.first.size() && tmp.second.size())
                    {
                        bool unique = true;
                        for (SettingsIter it = tmpList.begin(); it != tmpList.end(); it++)
                        {
                            if ((*it).first.compare(tmp.first) == 0)
                            {
                                unique = false;
                                break;
                            }
                        }
                        if (unique)
                            tmpList.push_back(tmp);
                    }
                }
            }
        }
    }
    else
    {
        ConsoleLog writeError(QString("No configfile \"").append(QString(path).append("\" found or file corrupt.")));
    }

    if (tmpList.size())
        settingsList = tmpList;
}
#ifdef verbose
ConsoleLog writeLine(QString("Dumping Config Content of ").append(QString(path).append(" : ")));
for (SettingsIter it = settingsList.begin(); it != settingsList.end(); it++)
{
    ConsoleLog writeLine(QString("Option: ").append(QString((*it).first).append(QString(" | Value: ").append((*it).second))));
}
ConsoleLog writeLine(QString("End of ").append(QString(path).append(".")));
#endif

SettingsEntry PVSSettingsManager::_parseLine(QString line)
{
    QString name;
    QString value;

    name = lineSplitter(line, "=\n\t", true);
    value = lineSplitter(line, "=\n\t", false);

    if (!(name.size() && value.size()))
        return SettingsEntry("","");


    // remove whitespaces in front of option name
    for (int i = 0; i < name.size(); i++)
    {
        if (name[i] == '\t' || name[i] == ' ')
        {
            name.remove(i, 1);
            i--;
        }
        else
            break;
    }
    // whitespaces after the value are trimmed by the lineSplitter

    SettingsEntry tmp(name, value);
    return tmp;
}