/*++

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are permitted provided that the following conditions are met:

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this list of conditions and the following disclaimer in the documentation
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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Abstract:

NMR_ModelReaderNode100_MultiProperties.cpp implements the Model Reader MultiProperties Class.

--*/

#include "Model/Reader/v100/NMR_ModelReaderNode100_MultiProperties.h"
#include "Model/Reader/v100/NMR_ModelReaderNode100_Multi.h"

#include "Model/Classes/NMR_ModelConstants.h"
#include "Model/Classes/NMR_ModelResource.h"
#include "Model/Classes/NMR_Model.h"

#include "Common/NMR_StringUtils.h"
#include "Common/NMR_Exception.h"
#include "Common/NMR_Exception_Windows.h"

namespace NMR {

	CModelReaderNode100_MultiProperties::CModelReaderNode100_MultiProperties(_In_ CModel * pModel, _In_ PModelWarnings pWarnings)
		: CModelReaderNode(pWarnings)
	{
		// Initialize variables
		m_nID = 0;

		m_pModel = pModel;
	}

	void CModelReaderNode100_MultiProperties::parseXML(_In_ CXmlReader * pXMLReader)
	{
		// Parse name
		parseName(pXMLReader);

		// Parse attribute
		parseAttributes(pXMLReader);

		// Use parameter and assign to model Object
		if (m_nID == 0)
			throw CNMRException(NMR_ERROR_MISSINGMODELRESOURCEID);

		std::vector<MODELMULTIPROPERTYLAYER> vctLayers;

		if (m_pPIDs) {
			if (!m_pBlendMethods) {
				m_pBlendMethods = std::make_shared<std::vector<eModelBlendMethod>>();
				m_pBlendMethods->resize(m_pPIDs->size() - 1);
				for (size_t i = 0; i < m_pBlendMethods->size(); i++) {
					(*m_pBlendMethods)[i] = eModelBlendMethod::MODELBLENDMETHOD_MIX;
				}
			}

			if (m_pBlendMethods->size() != m_pPIDs->size() - 1) {
				m_pWarnings->addException(CNMRException(NMR_ERROR_MULTIPROPERTIES_DIFFERNT_NUMBER_OF_BLENDMETHODS_AND_PIDS), mrwInvalidMandatoryValue);
			}

			for (size_t i = 0; i < m_pPIDs->size(); i++) {
				PPackageResourceID pID = m_pModel->findPackageResourceID(m_pModel->currentPath(), (*m_pPIDs)[i]);
				if (!pID)
					throw CNMRException(NMR_ERROR_RESOURCENOTFOUND);

				eModelBlendMethod method = eModelBlendMethod::MODELBLENDMETHOD_MIX;
				if (m_pBlendMethods && (i > 0) && (i < m_pBlendMethods->size() + 1 )) {
					method = (*m_pBlendMethods)[i-1];
				}
				vctLayers.push_back(MODELMULTIPROPERTYLAYER({ pID->getUniqueID() , method }));
			}
		}
		else {
			{
				m_pWarnings->addException(CNMRException(NMR_ERROR_MULTIPROPERTIES_MISSING_PIDS), mrwInvalidMandatoryValue);
			}
		}
		
		m_pMultiPropertyGroup = std::make_shared<CModelMultiPropertyGroupResource>(m_nID, m_pModel);
		m_pModel->addResource(m_pMultiPropertyGroup);
		
		for (auto layer : vctLayers) {
			PModelResource pResource = m_pModel->findResource(layer.m_nUniqueResourceID);
			if (!pResource) {
				throw CNMRException(NMR_ERROR_RESOURCENOTFOUND);
			}
			pResource->buildResourceIndexMap();

			m_pMultiPropertyGroup->addLayer(layer);
		}

		// Parse Content
		parseContent(pXMLReader);
	}

	void CModelReaderNode100_MultiProperties::OnAttribute(_In_z_ const nfChar * pAttributeName, _In_z_ const nfChar * pAttributeValue)
	{
		__NMRASSERT(pAttributeName);
		__NMRASSERT(pAttributeValue);

		if (strcmp(pAttributeName, XML_3MF_ATTRIBUTE_MULTIPROPERTIES_ID) == 0) {
			if (m_nID != 0)
				throw CNMRException(NMR_ERROR_DUPLICATERESOURCEID);

			// Convert to integer and make a input and range check!
			m_nID = fnStringToUint32(pAttributeValue);
		} else if (strcmp(pAttributeName, XML_3MF_ATTRIBUTE_MULTIPROPERTIES_PIDS) == 0) {
			if (m_pPIDs)
				throw CNMRException(NMR_ERROR_DUPLICATE_PIDS);

			m_pPIDs = std::make_shared<std::vector<ModelResourceID>>(fnVctType_fromString<ModelResourceID>(std::string(pAttributeValue)));
		}
		else if (strcmp(pAttributeName, XML_3MF_ATTRIBUTE_MULTIPROPERTIES_BLENDMETHODS) == 0) {
			if (m_pBlendMethods)
				throw CNMRException(NMR_ERROR_DUPLICATE_BLENDMETHOS);

			std::vector<std::string> vctBlendMethodStrings = fnVctType_fromString<std::string>(std::string(pAttributeValue));

			m_pBlendMethods = std::make_shared<std::vector<eModelBlendMethod>>();
			m_pBlendMethods->reserve(vctBlendMethodStrings.size());
			for (std::string blendMethodString : vctBlendMethodStrings) {
				eModelBlendMethod method = MODELBLENDMETHOD_MIX;
				try {
					method = CModelMultiPropertyGroupResource::stringToBlendMethod(blendMethodString);
				} catch (CNMRException e) {
					m_pWarnings->addException(e, mrwInvalidMandatoryValue);
				}
				m_pBlendMethods->push_back(method);
			}

		}
		else
			m_pWarnings->addException(CNMRException(NMR_ERROR_NAMESPACE_INVALID_ATTRIBUTE), mrwInvalidOptionalValue);
	}


	void CModelReaderNode100_MultiProperties::OnNSChildElement(_In_z_ const nfChar * pChildName, _In_z_ const nfChar * pNameSpace, _In_ CXmlReader * pXMLReader)
	{
		if (strcmp(pNameSpace, XML_3MF_NAMESPACE_MATERIALSPEC) == 0) {
			if (strcmp(pChildName, XML_3MF_ELEMENT_MULTI) == 0) {
				PModelReaderNode100_Multi pXMLNode = std::make_shared<CModelReaderNode100_Multi>(m_pModel, m_pWarnings);
				pXMLNode->parseXML(pXMLReader);

				std::vector<ModelResourceIndex> vctPIndices =  pXMLNode->getPIndices();

				nfUint32 nLayers = m_pMultiPropertyGroup->getLayerCount();

				while (vctPIndices.size() < nLayers) {
					vctPIndices.push_back(0);
				}
				PModelMultiProperty pMultiProperty = std::make_shared<CModelMultiProperty>(nLayers);

				for (nfUint32 iLayer=0; iLayer < nLayers; iLayer++) {
					PModelResource pResource = m_pModel->findResource(m_pMultiPropertyGroup->getLayer(iLayer).m_nUniqueResourceID);
					if (!pResource) {
						throw CNMRException(NMR_ERROR_RESOURCENOTFOUND);
					}
					ModelPropertyID nPropertyID;
					if (!pResource->mapResourceIndexToPropertyID(vctPIndices[iLayer], nPropertyID)) {
						throw CNMRException(NMR_ERROR_INVALID_RESOURCE_INDEX);
					}
					(*pMultiProperty)[iLayer] = nPropertyID;
				}

				m_pMultiPropertyGroup->addMultiProperty(pMultiProperty);
			}
			else
				m_pWarnings->addException(CNMRException(NMR_ERROR_NAMESPACE_INVALID_ELEMENT), mrwInvalidOptionalValue);
		}
	}

}