#ifndef COMMON_H
#define COMMON_H

//    This file is part of Motion Watch.

//    Motion Watch is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.

//    Motion Watch 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 General Public License for more details.

#include <QCoreApplication>
#include <QProcess>
#include <QTextStream>
#include <QObject>
#include <QRegularExpression>
#include <QDir>
#include <QCryptographicHash>
#include <QFile>
#include <QDateTime>
#include <QThread>

#include <opencv4/opencv2/opencv.hpp>
#include <opencv4/opencv2/videoio.hpp>

using namespace cv;
using namespace std;

#define APP_VER      "3.0.t2"
#define APP_NAME     "Motion Watch"
#define APP_BIN      "mow"
#define REC_LOG_NAME "rec_log_lines.html"
#define DET_LOG_NAME "det_log_lines.html"
#define UPK_LOG_NAME "upk_log_lines.html"

struct evt_t
{
    QString     evName;
    QStringList srcPaths;
    Mat         thumbnail;
};

struct shared_t
{
    QList<evt_t> recList;
    evt_t        curEvent;
    QString      conf;
    QString      recLog;
    QString      detLog;
    QString      upkLog;
    QString      recordUrl;
    QString      outDir;
    QString      postCmd;
    QString      camName;
    QString      webBg;
    QString      webTxt;
    QString      webFont;
    QString      webRoot;
    bool         skipCmd;
    int          frameGap;
    int          evMaxSecs;
    int          postSecs;
    int          maxScore;
    int          procCnt;
    int          hlsCnt;
    int          pixThresh;
    int          imgThresh;
    int          maxEvents;
    int          maxLogSize;
    int          retCode;
    int          postInd;
    int          evInd;
};

QByteArray  genMD5(const QString &path);
QByteArray  genMD5(const QByteArray &bytes);
QString     getParam(const QString &key, const QStringList &args);
QStringList lsFilesInDir(const QString &path, const QString &ext = QString());
QStringList lsDirsInDir(const QString &path);
bool        rdConf(const QString &filePath, shared_t *share);
bool        rdConf(shared_t *share);
void        rdLine(const QString &param, const QString &line, QString *value);
void        rdLine(const QString &param, const QString &line, int *value);
void        enforceMaxEvents(shared_t *share);

class MultiInstance : public QObject
{
    Q_OBJECT

private:

    QList<QProcess*> procList;

private slots:

    void instStdout();
    void instStderr();
    void procChanged(QProcess::ProcessState newState);

public:

    explicit MultiInstance(QObject *parent = nullptr);

    int start(const QStringList &args);
};

#endif // COMMON_H