#include "logger.h"
#include "loggermessage.h"

#include <QtCore>

Q_LOGGING_CATEGORY(sdkcore, "sdk.core");
Q_LOGGING_CATEGORY(sdknetwork, "sdk.network");
Q_LOGGING_CATEGORY(sdkcompress, "sdk.compress");

namespace core {

Logger* Logger::sConsumer = nullptr;
//bool Logger::sShowFunction = false;

/**
 * @brief Used to have user specific consumer of logger messages
 * @param consumer - inv::Logger
 */
void Logger::setConsumer(Logger *consumer)
{
    sConsumer = consumer;
}

Logger::Logger(QObject *parent) : QObject(parent)
{
    qRegisterMetaType<LoggerMessage>();
}

QList<LoggerMessage> Logger::getNewMessages(int currentCount)
{
    QMutexLocker locker(&mMutex);
    QList<LoggerMessage> list;

    int count = mLogMessages.count();
    int total = count - currentCount;
    if (total <= 0)
        return list;

    for (int i = 0; i < total; ++i) {
        int currentIndex = currentCount;
        int row = i + currentIndex;
        list.append(mLogMessages.at(row));
    }
    return list;
}


void Logger::outputMessage(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
    QString shortFile = QFileInfo(context.file).fileName();

    QString text;
    QString textType;

    switch (type) {
    case QtDebugMsg:
        textType = QStringLiteral("debug");
        break;
    case QtWarningMsg:
        textType = QStringLiteral("warning");
        break;
    case QtCriticalMsg:
        textType = QStringLiteral("critical");
        break;
    case QtFatalMsg:
        textType = QStringLiteral("fatal");
        break;
#if QT_VERSION >= 0x050500
    case QtInfoMsg:
        textType = QStringLiteral("info");
        break;
#endif
    }
    if (sConsumer) {
        LoggerMessage logmsg(shortFile,context.line,context.function,textType,context.category,msg, QLatin1String(""));
        sConsumer->insertMessage(logmsg); // emiting message
    }

    // Output message
    //text += QString("%1 %2:%3 %4").arg(context.category).arg(shortFile).arg(context.line).arg(msg);
    // New output syntax
    text = QStringLiteral("[%1] %2 [ %3:%4 | %5 | %6 ]")
            .arg(textType, msg, shortFile)
            .arg(context.line)
            .arg(context.function, context.category);

    QTextStream out(stderr);
    out << text << "\n"; //.toLocal8Bit() + "\n";
    //out.flush(); // INVSDK-37 ORK-102 crash on windows when flush() -> possible threading problem

    if (type == QtFatalMsg)
        abort();
}

void Logger::insertMessage(const LoggerMessage& logmsg)
{
    emit sConsumer->messageReceived(logmsg);
    QMutexLocker locker(&sConsumer->mMutex);
    sConsumer->mLogMessages.append(logmsg);
    emit sConsumer->messageListUpdated();
}

} // core