/*
    SPDX-FileCopyrightText: 2010 Daniel Nicoletti <dantti12@gmail.com>

    SPDX-License-Identifier: GPL-2.0-or-later
*/

#ifndef JOB_MODEL_H
#define JOB_MODEL_H

#include <QStandardItemModel>
#include <qqmlregistration.h>

#include <cups/cups.h>
#include <kcupslib_export.h>

class KCupsJob;
class KCupsRequest;

class KCUPSLIB_EXPORT JobModel : public QStandardItemModel
{
    Q_OBJECT
    QML_ELEMENT

public:
    enum Role {
        RoleJobId = Qt::UserRole + 2,
        RoleJobState,
        RoleJobName,
        RoleJobPages,
        RoleJobSize,
        RoleJobOwner,
        RoleJobCreatedAt,
        RoleJobIconName,
        RoleJobCancelEnabled,
        RoleJobHoldEnabled,
        RoleJobReleaseEnabled,
        RoleJobRestartEnabled,
        RoleJobPrinter,
        RoleJobOriginatingHostName,
        RoleJobAuthenticationRequired
    };
    Q_ENUM(Role)

    enum JobAction {
        Cancel,
        Hold,
        Release,
        Move,
        Reprint
    };
    Q_ENUM(JobAction)

    enum WhichJobs {
        WhichAll,
        WhichActive,
        WhichCompleted
    };
    Q_ENUM(WhichJobs)

    enum Columns {
        ColStatus = 0,
        ColName,
        ColUser,
        ColCreated,
        ColCompleted,
        ColPages,
        ColProcessed,
        ColSize,
        ColStatusMessage,
        ColPrinter,
        ColFromHost,
        LastColumn
    };

    explicit JobModel(QObject *parent = nullptr);
    void setParentWId(WId parentId);
    Q_INVOKABLE void init(const QString &destName = QString());

    Q_INVOKABLE void hold(const QString &printerName, int jobId);
    Q_INVOKABLE void release(const QString &printerName, int jobId);
    Q_INVOKABLE void cancel(const QString &printerName, int jobId);
    Q_INVOKABLE void move(const QString &printerName, int jobId, const QString &toPrinterName);

    QString processingJob() const;

    Qt::ItemFlags flags(const QModelIndex &index) const override;
    QStringList mimeTypes() const override;
    Qt::DropActions supportedDropActions() const override;
    QMimeData *mimeData(const QModelIndexList &indexes) const override;
    bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
    QHash<int, QByteArray> roleNames() const override;

    Q_INVOKABLE void setWhichJobs(WhichJobs whichjobs);
    KCupsRequest *modifyJob(int row, JobAction action, const QString &newDestName = QString(), const QModelIndex &parent = QModelIndex());

private Q_SLOTS:
    void getJobs();
    void getJobFinished(KCupsRequest *request);

    void jobCompleted(const QString &text,
                      const QString &printerUri,
                      const QString &printerName,
                      uint printerState,
                      const QString &printerStateReasons,
                      bool printerIsAcceptingJobs,
                      uint jobId,
                      uint jobState,
                      const QString &jobStateReasons,
                      const QString &jobName,
                      uint jobImpressionsCompleted);
    void insertUpdateJob(const QString &text,
                         const QString &printerUri,
                         const QString &printerName,
                         uint printerState,
                         const QString &printerStateReasons,
                         bool printerIsAcceptingJobs,
                         uint jobId,
                         uint jobState,
                         const QString &jobStateReasons,
                         const QString &jobName,
                         uint jobImpressionsCompleted);

Q_SIGNALS:
    void error(int lastError, const QString &errorTitle, const QString &errorMsg);

private:
    int jobRow(int jobId);
    void insertJob(int pos, const KCupsJob &job);
    void updateJob(int pos, const KCupsJob &job);
    QString jobStatus(ipp_jstate_e job_state);
    void clear();
    KCupsRequest *setupRequest(std::function<void()> finished = []() { });

    KCupsRequest *m_jobRequest = nullptr;
    QString m_destName;
    QString m_processingJob;
    QHash<int, QByteArray> m_roles;
    int m_whichjobs = CUPS_WHICHJOBS_ACTIVE;
    WId m_parentId = 0;
};

#endif // JOB_MODEL_H
