#include "settings.h"

#include <QCoreApplication>
#include <QDir>
#include <QFile>

Settings& Settings::instance()
{
    static Settings instance;
    return instance;
}

Settings::Settings()
{
    m_settingsFile = QDir::cleanPath(QCoreApplication::applicationDirPath() + "/../conf/config.ini");

    QFile file(m_settingsFile);
    if (file.open(QIODevice::ReadWrite)) {
        m_isVaildSettingsFile = true;
        m_settings = new QSettings(m_settingsFile, QSettings::IniFormat);
    }
    else {
        m_isVaildSettingsFile = false;
    }
}

Settings::~Settings()
{
    if (m_isVaildSettingsFile) {
        delete m_settings;
    }
}

QVariant Settings::getDefaultValue(const QString& group, const QString& name)
{
    if(group == "Log" && name == "logFile")
        return QDir::cleanPath(QCoreApplication::applicationDirPath() + "/../logs/EventConfigurator.log");
    else if(group == "Log" && name == "pattern")
        return "[%{time yyyyMMdd h:mm:ss.zzz ttt} %{if-debug}D%{endif}%{if-info}I%{endif}%{if-warning}W%{endif}%{if-critical}C%{endif}%{if-fatal}F%{endif}] %{file}:%{line} - %{message}";
    else if(group == "Log" && name == "level")
        return "DEBUG";
    else if(group == "Log" && name == "maxSize")
        return 10485760;
    else if(group == "Log" && name == "backups")
        return 5;
    else if(group == "Log" && name == "consoleOutput")
        return "true";
    else if(group == "Log" && name == "fileOutput")
        return "true";
    else
        return QVariant();
}

void Settings::setValue(const QString& group, const QString& name, const QVariant& value)
{
    if(!m_isVaildSettingsFile)
        return;

    m_settings->beginGroup(group);
    m_settings->setValue(name, value);
    m_settings->endGroup();
}

QVariant Settings::value(const QString& group, const QString& name)
{
    QVariant defaultVaule = getDefaultValue(group, name);
    if(!m_isVaildSettingsFile)
        return defaultVaule;

    QVariant value = m_settings->value(group + "/" + name, defaultVaule);
    return value;
}

void Settings::clearValue(const QString& group, const QString& name)
{
    m_settings->beginGroup(group);
    m_settings->remove(name);
    m_settings->endGroup();
}

bool Settings::contains(const QString& group, const QString& name)
{
    return m_settings->contains(group + "/" + name);
}