/*******************************************************************************
 *  Copyright 2017-2018 Centre for Development of Advanced Computing(C-DAC), Pune
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *   http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package cdac.medinfo.sdk.dcm30_04.baselibs;

import cdac.medinfo.sdk.dcm30_04.commoninterface.IDataElement;
import cdac.medinfo.sdk.dcm30_04.commoninterface.IDictionaryReader;
import cdac.medinfo.sdk.dcm30_04.commoninterface.ITransferSyntax;
import cdac.medinfo.sdk.dcm30_04.enums.EnumFrameType;
import cdac.medinfo.sdk.dcm30_04.enums.EnumVolumetricProperties;
import cdac.medinfo.sdk.dcm30_04.exceptions.ConditionFailedException;
import cdac.medinfo.sdk.dcm30_04.exceptions.InvalidItemException;
import cdac.medinfo.sdk.dcm30_04.utils.DicomConfig;
import cdac.medinfo.sdk.dcm30_04.utils.DicomConstants;
import cdac.medinfo.sdk.dcm30_04.utils.DicomLogger;


/**
 *	This Item class contains methods to validate,set and get the attributes in {@link PlanePositionSequenceItem}.
 */

public class PlanePositionSequenceItem extends Item 
{
	

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	/**
	 * This constructor creates the item and internal code sequence macro with default TransferSyntax 
	 */
	PlanePositionSequenceItem()
	{
		super();
	}


	/**
	 * This constructor creates the item and internal code sequence macro with default TransferSyntax 
	 * and default DictionaryReader
	 * @param objITransferSyntax specifies the DICOM Standard defined TransfeSyntax
	 */
	PlanePositionSequenceItem(ITransferSyntax objITransferSyntax)
	{
		super(objITransferSyntax);
	}

	/**
	 * This constructor creates PlanePositionSequenceItem with specified TransferSyntax and
	 * specified DictionaryReader
	 * @param objTransferSyntax specifies the DICOM Standard defined TransfeSyntax
	 * @param objDictionaryReader specifies the DICOM Dictionary reader to be used 
	 */
	PlanePositionSequenceItem(ITransferSyntax objTransferSyntax, IDictionaryReader objDictionaryReader)
	{
		super(objTransferSyntax,objDictionaryReader);
	}


	/**
	 * Validates all the attributes in PlanePositionSequenceItem that are present in the DataSet
	 * @return boolean - Success -true, Failure - false
	 * @throws InvalidItemException throws InvalidItemException If Conditional element fails.
	 */
	public boolean validateForModule()  throws InvalidItemException
	{
		try
		{
			if(getValue(0x0008,0x9206) != null && getValue(0x0008,0x9007) != null)
			{
				String strVolumetricProperties = (String)getValue(0x0008,0x9206);
				String strFrameType = (String)getValue(0x0008,0x9007);
				if(strVolumetricProperties != EnumVolumetricProperties.DISTORTED.getValue() && strFrameType == EnumFrameType.Value1.ORIGINAL.toString() && !contains(0x0028,0x0030))
					throw new ConditionFailedException("0020,0032");
			}
		}
		catch( ConditionFailedException cfe)
		{
			if(DicomConfig.createInstance().isLoggingOn())
			{
				DicomLogger.getLogger().log(cfe.getMessage());
			}
			throw new InvalidItemException(this.getClass().getSimpleName(),cfe);
		}
		return true;
	}

	/**
	 * Sets the x, y, and z coordinates of the upper left hand corner (center of the first voxel
	 * transmitted) of the image, in mm.
	 * @param arrStrImagePosition String array of Image Orientation values.	
	 */
	public void setImagePosition(String[] arrStrImagePosition)
	{
		/*Accept the ImagePosition in String format of type DS.
		 * Read the Transfer Syntax and check if ImplicitDE or ExplicitDE to create
		 * Set the iGroupNumber and iElementNumber to ImplicitDE object 
		 * Set the iVRType
		 * Set length from the element
		 * Add this element to the Data Set
		 */
		IDataElement objIDataElement = null;
		if(objITransferSyntax.getVRTransferSyntax() == DicomConstants.DCM_VR_IMPLICIT)
			objIDataElement = new ImplicitDE(0x0020,0x0032, arrStrImagePosition,getDictionaryReader());
		else
			objIDataElement = new ExplicitDE(0x0020,0x0032,DicomConstants.DCM_DT_DS, arrStrImagePosition);

		addDataElement(objIDataElement);
	}
	/**
	 * Retrieves the x, y, and z coordinates of the upper left hand corner (center of the first voxel
	 * transmitted) of the image, in mm.
	 * @return String array x, y, and z coordinates
	 */
	public String[] getImagePosition()
	{
		Object objValue = getValue(0x0020,0x0032);
		if(objValue != null)
			return (String[])objValue;
		return null;
	}
}
