/****************************************************************************
 ** Modern Linbo GUI
 ** Copyright (C) 2020  Dorian Zedler <dorian@itsblue.de>
 **
 ** This program is free software: you can redistribute it and/or modify
 ** it under the terms of the GNU Affero General Public License as published
 ** by the Free Software Foundation, either version 3 of the License, or
 ** (at your option) any later version.
 **
 ** This program is distributed in the hope that it will be useful,
 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ** GNU Affero General Public License for more details.
 **
 ** You should have received a copy of the GNU Affero General Public License
 ** along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ****************************************************************************/

#include "linbologger.h"

LinboLogger::LinboLogger(QString logFilePath, QObject *parent) : QObject(parent)
{
    this->logFilePath = logFilePath;
}

QString LinboLogger::logTypeToString(LinboLogType logType) {
    switch (logType) {
    case StdErr:
        return "StrErr";
    case StdOut:
        return "StdOut";
    case LinboGuiInfo:
        return "Info";
    case LinboGuiError:
        return "Error";
    default:
        return "UNKNOW";
    }
}

void LinboLogger::log(QString logText, LinboLogType logType) {
    if(logText.isEmpty() || logText == "")
        return;
    qDebug() << qPrintable("[" + this->logTypeToString(logType) + "]") << logText;

    LinboLog latestLog {logText, logType, QDateTime::currentDateTime()};
    this->logHistory.append(latestLog);

    // TODO: Log error, when this fails
    this->writeToLogFile("[" + this->logTypeToString(logType) + "]" + logText);

    emit this->latestLogChanged(latestLog);
}

bool LinboLogger::writeToLogFile(QString text) {
    // write to logfile
    QFile logfile(this->logFilePath);
    if(!logfile.open( QIODevice::WriteOnly | QIODevice::Append ))
        return false;

    QTextStream logstream( &logfile );
    logstream << text << "\n";
    logfile.flush();
    logfile.close();
    return true;
}

const LinboLogger::LinboLog& LinboLogger::getLatestLog() {
    return this->logHistory.last();
}