#ifndef LRRENDERENGINE_H
#define LRRENDERENGINE_H

#include "lrdatasourcemanagerintf.h"
#include "lrglobal.h"
#include "lrpreviewreportwidget.h"
#include "lrscriptenginemanagerintf.h"

#include <QObject>
#include <QPrintDialog>
#include <QSettings>

namespace LimeReport {

class PrintRange {
public:
    int fromPage() const { return m_fromPage; }
    int toPage() const { return m_toPage; }
    QPrintDialog::PrintRange rangeType() const { return m_rangeType; }
    PrintRange(QAbstractPrintDialog::PrintRange rangeType = QPrintDialog::AllPages,
               int fromPage = 0, int toPage = 0);
    void setRangeType(QAbstractPrintDialog::PrintRange rangeType) { m_rangeType = rangeType; }
    void setFromPage(int fromPage) { m_fromPage = fromPage; }
    void setToPage(int toPage) { m_toPage = toPage; }

private:
    QPrintDialog::PrintRange m_rangeType;
    int m_fromPage;
    int m_toPage;
};

class DataSourceManager;
class PageDesignIntf;
class PageItemDesignIntf;
class PreviewReportWidget;

typedef QList<QSharedPointer<PageItemDesignIntf>> ReportPages;

class RenderEnginePrivate;

class LIMEREPORT_EXPORT RenderEngine: public QObject {
    Q_OBJECT
    friend class PreviewReportWidget;

public:
    static void setSettings(QSettings* value) { m_settings = value; }

public:
    explicit RenderEngine(QObject* parent = 0);
    explicit RenderEngine(RenderEnginePrivate* dd, QObject* parent = 0);
    ~RenderEngine();
    bool printReport(QPrinter* printer = 0);
    bool printPages(ReportPages pages, QPrinter* printer);
    void printToFile(const QString& fileName);
    PageDesignIntf* createPreviewScene(QObject* parent = 0);
    bool printToPDF(const QString& fileName);
    void previewReport(PreviewHints hints = PreviewBarsUserSetting);
    IDataSourceManager* dataManager();
    IScriptEngineManager* scriptManager();
    bool loadFromFile(const QString& fileName, bool autoLoadPreviewOnChange = false);
    bool loadFromByteArray(QByteArray* data);
    bool loadFromString(const QString& data);
    QString reportFileName();
    void setReportFileName(const QString& fileName);
    QString lastError();
    PreviewReportWidget* createPreviewWidget(QWidget* parent = 0);
    void setPreviewWindowTitle(const QString& title);
    void setPreviewWindowIcon(const QIcon& icon);
    void setResultEditable(bool value);
    bool resultIsEditable();
    bool isBusy();
    void setPassPharse(QString& passPharse);
    QList<QLocale::Language> aviableLanguages();
    bool setReportLanguage(QLocale::Language language);
    Qt::LayoutDirection previewLayoutDirection();
    void setPreviewLayoutDirection(const Qt::LayoutDirection& previewLayoutDirection);
    QSettings* settings() { return m_settings; }
signals:
    void renderStarted();
    void renderFinished();
    void renderPageFinished(int renderedPageCount);
    void onLoad(bool& loaded);
public slots:
    void cancelRender();

protected:
    QObject* d_ptr;

private:
    static QSettings* m_settings;
    void init();

private:
    Q_DECLARE_PRIVATE(RenderEngine)
};

} // namespace LimeReport
#endif // LRRENDERENGINE_H