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#ifndef INCLUDED_CHART2_SOURCE_INC_REGRESSIONCURVEHELPER_HXX
#define INCLUDED_CHART2_SOURCE_INC_REGRESSIONCURVEHELPER_HXX

#include <svx/chrtitem.hxx>
#include "charttoolsdllapi.hxx"

#include <vector>

namespace com::sun::star::beans { class XPropertySet; }
namespace com::sun::star::chart2 { class XDataSeries; }
namespace com::sun::star::chart2 { class XDiagram; }
namespace com::sun::star::chart2 { class XRegressionCurve; }
namespace com::sun::star::chart2 { class XRegressionCurveCalculator; }
namespace com::sun::star::chart2 { class XRegressionCurveContainer; }
namespace com::sun::star::chart2::data { class XDataSource; }
namespace com::sun::star::frame { class XModel; }

namespace chart
{

namespace RegressionCurveHelper
{
    /// returns a model mean-value line
    css::uno::Reference<css::chart2::XRegressionCurve> createMeanValueLine();

    /// returns a model regression curve
    css::uno::Reference<css::chart2::XRegressionCurve>
        createRegressionCurveByServiceName( const OUString& aServiceName );

    OOO_DLLPUBLIC_CHARTTOOLS bool hasMeanValueLine(
        const css::uno::Reference<css::chart2::XRegressionCurveContainer> & xRegCnt );

    OOO_DLLPUBLIC_CHARTTOOLS bool isMeanValueLine(
        const css::uno::Reference<css::chart2::XRegressionCurve> & xRegCurve );

    OOO_DLLPUBLIC_CHARTTOOLS css::uno::Reference<css::chart2::XRegressionCurve>
        getMeanValueLine(
            const css::uno::Reference<css::chart2::XRegressionCurveContainer> & xRegCnt );

    /** creates a mean-value line and adds it to the container.

         @param xSeriesProp
             If set, this property-set will be used to apply a line color
     */
    OOO_DLLPUBLIC_CHARTTOOLS void addMeanValueLine(
        css::uno::Reference<css::chart2::XRegressionCurveContainer> const & xRegCnt,
        const css::uno::Reference<css::beans::XPropertySet>& xSeriesProp );

    OOO_DLLPUBLIC_CHARTTOOLS void removeMeanValueLine(
        css::uno::Reference<css::chart2::XRegressionCurveContainer> const & xRegCnt );

    /** Returns the first regression curve found that is not of type
        mean-value line
     */
    OOO_DLLPUBLIC_CHARTTOOLS css::uno::Reference<css::chart2::XRegressionCurve>
        getFirstCurveNotMeanValueLine(
            const css::uno::Reference<css::chart2::XRegressionCurveContainer>& xCurveContainer );

    /** Returns the regression curve found at the index provided.
     */
    OOO_DLLPUBLIC_CHARTTOOLS css::uno::Reference<css::chart2::XRegressionCurve>
        getRegressionCurveAtIndex(
            const css::uno::Reference<css::chart2::XRegressionCurveContainer>& xCurveContainer,
            sal_Int32 aIndex);

    /** Returns the type of the first regression curve found that is not of type
        mean-value line
     */
    OOO_DLLPUBLIC_CHARTTOOLS SvxChartRegress getFirstRegressTypeNotMeanValueLine(
        const css::uno::Reference<css::chart2::XRegressionCurveContainer>& xCurveContainer );

    OOO_DLLPUBLIC_CHARTTOOLS SvxChartRegress getRegressionType(
        const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );

    /** @param xPropertySource is taken as source to copy all properties from if
               not null
        @param xEquationProperties is set at the new regression curve as
               equation properties if not null
    */
    OOO_DLLPUBLIC_CHARTTOOLS css::uno::Reference<css::chart2::XRegressionCurve>
        addRegressionCurve(
            SvxChartRegress eType,
            css::uno::Reference<css::chart2::XRegressionCurveContainer> const & xCurveContainer,
            const css::uno::Reference<css::beans::XPropertySet >& xPropertySource =
                    css::uno::Reference<css::beans::XPropertySet>(),
            const css::uno::Reference<css::beans::XPropertySet>& xEquationProperties =
                    css::uno::Reference<css::beans::XPropertySet>() );

    OOO_DLLPUBLIC_CHARTTOOLS bool removeAllExceptMeanValueLine(
        css::uno::Reference<css::chart2::XRegressionCurveContainer> const & xCurveContainer );

    OOO_DLLPUBLIC_CHARTTOOLS void removeEquations(
        css::uno::Reference<css::chart2::XRegressionCurveContainer> const & xCurveContainer );

    OOO_DLLPUBLIC_CHARTTOOLS css::uno::Reference<css::chart2::XRegressionCurve>
        changeRegressionCurveType(
            SvxChartRegress eType,
            css::uno::Reference<css::chart2::XRegressionCurveContainer> const & xRegressionCurveContainer,
            css::uno::Reference<css::chart2::XRegressionCurve> const & xRegressionCurve );

    /// returns a calculator object for regression curves (used by the view)
    OOO_DLLPUBLIC_CHARTTOOLS css::uno::Reference<css::chart2::XRegressionCurveCalculator>
        createRegressionCurveCalculatorByServiceName( const OUString& aServiceName );

    /** recalculates the regression parameters according to the data given in
        the data source.

        A sequence having the role "values-x" will be used as x-values for the
        calculation if found.  Otherwise a sequence (1, 2, 3, ...) of category
        indexes will be used for the recalculateRegression() method of the
        regression curve.

        The first sequence having the role "values-y" will be used as y-values
        for the recalculateRegression() method of the regression curve.

        @param bUseXValuesIfAvailable
            If false, the sequence (1, 2, 3, ...) will always be used, even if
            there is a data-sequence with role "values-x"
     */
    void initializeCurveCalculator(
        const css::uno::Reference<css::chart2::XRegressionCurveCalculator>& xOutCurveCalculator,
        const css::uno::Reference<css::chart2::data::XDataSource>& xSource,
        bool bUseXValuesIfAvailable );

    /** Same method as above, but uses the given XModel to determine the
        parameter bUseXValuesIfAvailable in the above function.  It is also
        necessary that the data::XDataSource is an XDataSeries, thus this parameter
        also changed.
     */
    OOO_DLLPUBLIC_CHARTTOOLS void initializeCurveCalculator(
        const css::uno::Reference<css::chart2::XRegressionCurveCalculator>& xOutCurveCalculator,
        const css::uno::Reference<css::chart2::XDataSeries>& xSeries,
        const css::uno::Reference<css::frame::XModel>& xModel );

    OOO_DLLPUBLIC_CHARTTOOLS OUString getUINameForRegressionCurve(
        const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );

    OOO_DLLPUBLIC_CHARTTOOLS OUString getRegressionCurveName(
        const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );

    OOO_DLLPUBLIC_CHARTTOOLS OUString getRegressionCurveGenericName(
        const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );

    OOO_DLLPUBLIC_CHARTTOOLS OUString getRegressionCurveSpecificName(
        const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );

    OOO_DLLPUBLIC_CHARTTOOLS std::vector<css::uno::Reference<css::chart2::XRegressionCurve> >
        getAllRegressionCurvesNotMeanValueLine(
                const css::uno::Reference<css::chart2::XDiagram>& xDiagram );

    OOO_DLLPUBLIC_CHARTTOOLS void resetEquationPosition(
        const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );

    /// @return the index of the given curve in the given container. -1 if not contained
    OOO_DLLPUBLIC_CHARTTOOLS sal_Int32 getRegressionCurveIndex(
        const css::uno::Reference<css::chart2::XRegressionCurveContainer>& xContainer,
        const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );

    OOO_DLLPUBLIC_CHARTTOOLS bool hasEquation(const css::uno::Reference<css::chart2::XRegressionCurve>& xCurve );
}

} //  namespace chart

#endif // INCLUDED_CHART2_SOURCE_INC_REGRESSIONCURVEHELPER_HXX

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