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#include "vbaaxes.hxx"
#include "vbaaxis.hxx"
#include "vbachart.hxx"
#include <ooo/vba/excel/XlAxisType.hpp>
#include <ooo/vba/excel/XlAxisGroup.hpp>
#include <ooo/vba/excel/XAxis.hpp>
#include <map>

using namespace ::com::sun::star;
using namespace ::ooo::vba;
using namespace ::ooo::vba::excel::XlAxisType;
using namespace ::ooo::vba::excel::XlAxisGroup;

// each 'Item' in the Axes collection is  indexed via 2 indexes,  group and type.
// We need to 'flatten' this into a single index in order to be able to wrap
// iteration over the set of Axis(s) in a XIndexAccess implementation
// 
typedef ::std::pair<sal_Int32, sal_Int32 > AxesCoordinate; // type and group combination
typedef ::std::vector< AxesCoordinate > vecAxesIndices;

typedef ::cppu::WeakImplHelper1< container::XIndexAccess > AxisIndexWrapper_BASE;

class EnumWrapper : public EnumerationHelper_BASE
{
        uno::Reference<container::XIndexAccess > m_xIndexAccess;
		sal_Int32 nIndex;
public:
        EnumWrapper( const uno::Reference< container::XIndexAccess >& xIndexAccess ) : m_xIndexAccess( xIndexAccess ), nIndex( 0 ) {}
        virtual ::sal_Bool SAL_CALL hasMoreElements(  ) throw (uno::RuntimeException)
        {
                return ( nIndex < m_xIndexAccess->getCount() );
        }

        virtual uno::Any SAL_CALL nextElement(  ) throw (container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException)
        {
                if ( nIndex < m_xIndexAccess->getCount() )
                        return m_xIndexAccess->getByIndex( nIndex++ );
                throw container::NoSuchElementException();
        }
};


uno::Reference< excel::XAxis >
ScVbaAxes::createAxis( const uno::Reference< excel::XChart >& xChart, const uno::Reference< uno::XComponentContext >& xContext,  sal_Int32 nType, sal_Int32 nAxisGroup ) throw ( uno::RuntimeException )
{
	ScVbaChart* pChart = static_cast< ScVbaChart* >( xChart.get() );	
	if ( !pChart )
		throw uno::RuntimeException( rtl::OUString::createFromAscii( "Object failure, can't access chart implementation" ), uno::Reference< uno::XInterface >()  );

	uno::Reference< beans::XPropertySet > xAxisPropertySet;
	if (((nType == xlCategory) || (nType == xlSeriesAxis) || (nType == xlValue)))
	{
		if ((nAxisGroup != xlPrimary) && (nAxisGroup != xlSecondary))
			throw script::BasicErrorException( rtl::OUString(), NULL, SbERR_METHOD_FAILED, rtl::OUString());
		xAxisPropertySet.set( pChart->getAxisPropertySet(nType, nAxisGroup), uno::UNO_QUERY_THROW );
	}
	else
		throw script::BasicErrorException( rtl::OUString(), NULL, SbERR_METHOD_FAILED, rtl::OUString());
	uno::Reference< XHelperInterface > xParent( xChart, uno::UNO_QUERY_THROW );
	return new ScVbaAxis( xParent, xContext, xAxisPropertySet, nType, nAxisGroup);
}

class AxisIndexWrapper : public AxisIndexWrapper_BASE
{
	// if necessary for better performance we could change this into a map and cache the 
	// indices -> Axis, currently we create a new Axis object
	// on each getByIndex
	uno::Reference< uno::XComponentContext > mxContext;
	vecAxesIndices mCoordinates;
	uno::Reference< excel::XChart > mxChart;
public:	
	AxisIndexWrapper( const uno::Reference< uno::XComponentContext >& xContext, const uno::Reference< excel::XChart >& xChart ) : mxContext( xContext ), mxChart( xChart )
	{
		if ( mxChart.is() )
		{
			ScVbaChart* pChart = static_cast< ScVbaChart* >( mxChart.get() );	
			// primary
			sal_Bool bBool = false;
			uno::Reference< beans::XPropertySet > xDiagramPropertySet( pChart->xDiagramPropertySet() );
			if ( ( xDiagramPropertySet->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "HasXAxis" ) ) ) >>= bBool )  && bBool )
				mCoordinates.push_back( AxesCoordinate( xlPrimary, xlCategory ) );
			if ( ( xDiagramPropertySet->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "HasYAxis" ) ) ) >>= bBool )  && bBool )
				mCoordinates.push_back( AxesCoordinate( xlPrimary, xlSeriesAxis ) );
			
			if (  pChart->is3D() )
				mCoordinates.push_back( AxesCoordinate( xlPrimary, xlValue ) );

			// secondary
			if ( ( xDiagramPropertySet->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "HasSecondaryXAxis" ) ) ) >>= bBool )  && bBool )
				mCoordinates.push_back( AxesCoordinate( xlSecondary, xlCategory ) );
			if ( ( xDiagramPropertySet->getPropertyValue( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "HasSecondaryYAxis" ) ) ) >>= bBool )  && bBool )
				mCoordinates.push_back( AxesCoordinate( xlSecondary, xlSeriesAxis ) );
		}
	
	}
	virtual ::sal_Int32 SAL_CALL getCount() throw (uno::RuntimeException) { return mCoordinates.size(); }
	virtual uno::Any SAL_CALL getByIndex( ::sal_Int32 Index ) throw (lang::IndexOutOfBoundsException, lang::WrappedTargetException, ::uno::RuntimeException)
	{
			AxesCoordinate dIndexes = mCoordinates[ Index ];
			return uno::makeAny( ScVbaAxes::createAxis( mxChart, mxContext, dIndexes.second, dIndexes.first ) );
	}
	// XElementAccess
	virtual uno::Type SAL_CALL getElementType() throw (uno::RuntimeException)
	{
		return excel::XAxis::static_type(0);
	}
	virtual ::sal_Bool SAL_CALL hasElements( ) throw (uno::RuntimeException)
	{
		return ( mCoordinates.size() > 0 );
	}
};

uno::Reference< container::XIndexAccess > createIndexWrapper( const uno::Reference< excel::XChart >& xChart, const uno::Reference< uno::XComponentContext >& xContext )
{
	return new AxisIndexWrapper( xContext, xChart );
}

// #FIXME The collection semantics will never work as this object is not yet initialised correctly
ScVbaAxes::ScVbaAxes( const uno::Reference< XHelperInterface >& xParent,const uno::Reference< uno::XComponentContext > & xContext, const uno::Reference< excel::XChart >& xChart ) : ScVbaAxes_BASE( xParent, xContext, createIndexWrapper( xChart, xContext )), moChartParent( xChart )
{
}

uno::Type SAL_CALL 
ScVbaAxes::getElementType() throw (css::uno::RuntimeException)
{
	return  excel::XAxes::static_type(0);	
}

uno::Reference< container::XEnumeration > SAL_CALL 
ScVbaAxes::createEnumeration() throw (css::uno::RuntimeException)
{
	return new EnumWrapper( m_xIndexAccess );
}

uno::Any SAL_CALL 
ScVbaAxes::Item( const css::uno::Any& _nType, const css::uno::Any& _oAxisGroup) throw (css::uno::RuntimeException)
{
	// #TODO map the possible index combinations to a container::XIndexAccess wrapper impl
	// using a vector of valid std::pair maybe?
	// bodgy helperapi port bits
	sal_Int32 nAxisGroup = xlPrimary;
	sal_Int32 nType = -1;
	if ( !_nType.hasValue() || ( ( _nType >>= nType ) == sal_False )  )
		throw uno::RuntimeException( rtl::OUString::createFromAscii( "Axes::Item Failed to extract type" ), uno::Reference< uno::XInterface >()  );

	if ( _oAxisGroup.hasValue() )
		_oAxisGroup >>= nAxisGroup ;

	return uno::makeAny( createAxis( moChartParent, mxContext, nType, nAxisGroup ) );
}

uno::Any 
ScVbaAxes::createCollectionObject(const css::uno::Any& aSource)
{
	return aSource; // pass through ( it's already an XAxis object
}

rtl::OUString& 
ScVbaAxes::getServiceImplName()
{
	static rtl::OUString sImplName( RTL_CONSTASCII_USTRINGPARAM("ScVbaAxes") );
	return sImplName;
}

uno::Sequence< rtl::OUString > 
ScVbaAxes::getServiceNames()
{
	static uno::Sequence< rtl::OUString > aServiceNames;
	if ( aServiceNames.getLength() == 0 )
	{
		aServiceNames.realloc( 1 );
		aServiceNames[ 0 ] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("ooo.vba.excel.Axes" ) );
	}
	return aServiceNames;
}