#ifndef VMCHOOSER_SESSION_H_
#define VMCHOOSER_SESSION_H_

#include <QVariant>
#include <QMessageBox>

class QString;
class QIcon;

enum SectionType {
    SECTION_nullptr,
    SECTION_XSESSION,
    SECTION_FOR_LOCATION,
    SECTION_TEMPLATES,
    SECTION_GENERIC
};

class Session {
  public:
    virtual ~Session() {}

    virtual bool isActive() const = 0;
    virtual bool isLocked() const = 0;
    virtual void checkCanRun() final {
        error = checkCanRunInternal();
    }
    virtual bool canRun(bool showError = false) const final {
        if (!error.isEmpty()) {
            if (showError) {
                QMessageBox::critical(
                        nullptr, QObject::trUtf8("vmchooser"),
                        QObject::trUtf8("Cannot start selected session:") + QStringLiteral("\n") + error);
            }
            return false;
        }
        return true;
    }
    virtual int priority() const = 0;
    virtual QString shortDescription() const = 0;
    virtual QString description() const = 0;
    virtual QIcon icon() const = 0;
    virtual bool prepareRun() const = 0;
    virtual void run() const = 0;
    virtual QString execCommand() const { return QString(); }
    virtual QString uuid() const { return QString(); }
    virtual int type() const = 0;
    virtual SectionType section() const = 0;
    virtual bool needsVtx() const { return false; }
    virtual QVariant foregroundRole() const { return QVariant(); }

    virtual bool operator<(const Session& s) const = 0;

    const static int XSESSION = 0;
    const static int VSESSION = 1;

    virtual bool containsKeywords(const QList<QString>& keywords) const = 0;

protected:
    virtual QString checkCanRunInternal() const = 0;

private:
    QString error;

};
#endif /*VMCHOOSER_SESSION_H_*/