#ifndef UPDATE_H_INCLUDED
#define UPDATE_H_INCLUDED

#include <QObject>
#include <QString>
#include <QFile>
#include <QDir>
#include <QByteArray>

#include "plugins/interfaces.h"

#ifdef PTU5
#define SERIAL_PORT "ttymxc2"
#else
#define SERIAL_PORT "ttyUSB0"
#endif

class Update;

// TODO: check hardware compatibility
// TODO: opkg commandos

class Update : public QObject {
    Q_OBJECT

    hwinf *m_hw;
    char const *m_serialInterface;
    char const *m_baudrate;
    QFile m_update_ctrl_file;
    QFile m_update_ctrl_file_copy;
    QString m_workingDir;
    bool m_maintenanceMode;

    bool m_init;

    bool finishUpdate(bool finish);
    QStringList getLinesToWorkOn();
    QStringList split(QString line, QChar sep = ',');

    bool execUpdateScript();

public:
    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
    enum class FileTypeJson {CONFIG=1, DEVICE=2, CASH=3, SERIAL=4, TIME=5, PRINTER=6};

    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);


    explicit Update(hwinf *hw,
                    QString update_ctrl_file,
                    QString workingDir = ".",
                    bool maintenanceMode = false,
                    QObject *parent = nullptr,
                    char const *serialInterface = SERIAL_PORT,
                    char const *baudrate = "115200");
    virtual ~Update() override;
    bool doUpdate();

private:
    static QString jsonType(enum FileTypeJson type);

    DownloadResult sendStatus(int ret) const;
    DownloadResult sendNextAddress(int bNum) const;
    DownloadResult sendNextDataBlock(QByteArray const &b, int bNum) const;
    DownloadResult dc_downloadBinary(QByteArray const &binary) const;

    bool startBootloader() const;
    bool stopBootloader() const;
    bool openSerial(int br, QString baudrate, QString comPort) const;
    void closeSerial() const;
    bool resetDeviceController() const;
    QByteArray loadBinaryDCFile(QString filename) const;
    bool downloadBinaryToDC(QString const &bFile) const;
    bool updateDC(QString bFile) const;
    bool updatePrinterTemplate(int templateIdx, QString fname) const;
    bool updateBinary(char const *fileToSendToDC);
    bool updateConfig(QString jsFileToSendToDC);
    bool updateCashConf(QString jsFileToSendToDC);
    bool updateDeviceConf(QString jsFileToSendToDC);
    bool downloadJson(enum FileTypeJson type, int templateIdx,
                      QString jsFileToSendToDC) const;
};
#endif // UPDATE_H_INCLUDED