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/*
 * This code is made available under the terms of the Eclipse Public License v1.0 
 * in the github project https://github.com/project-husky/husky there you also 
 * find a list of the contributors and the license information.
 * 
 * This project has been developed further and modified by the joined working group Husky 
 * on the basis of the eHealth Connector opensource project from June 28, 2021, 
 * whereas medshare GmbH is the initial and main contributor/author of the eHealth Connector.
 *
 */
package org.projecthusky.communication.utils;

import org.projecthusky.common.enums.DocumentDescriptor;
import org.projecthusky.communication.DocDescriptor;
import org.projecthusky.communication.xd.storedquery.DateTimeRange;
import org.openehealth.ipf.commons.ihe.xds.core.metadata.Document;
import org.openehealth.ipf.commons.ihe.xds.core.metadata.TimeRange;

/**
 *
 * xds util class
 *
 */
public class XdsUtil {

	/**
	 * Converts a list of eHC DateTimeRange to a list of OHT DateTimeRange.
	 *
	 * @param dtr
	 *            the OHT DateTimeRange
	 * @return the DateTimeRange Array
	 */
	public static TimeRange[] convertEhcDateTimeRange(
			DateTimeRange[] dtr) {
		if (dtr == null)
			return new TimeRange[0];
		else {
			final var dtrArray = new TimeRange[dtr.length];

			var i = 0;
			for (final DateTimeRange dt : dtr) {
				dtrArray[i] = dt.getOhtDateTimeRange();
				i++;
			}

			return dtrArray;
		}
	}

	/**
	 * Creates a document name in conformance with the XDM document naming
	 * scheme
	 *
	 * @param xdsDoc
	 *            the OHT XDSDocument
	 * @param docNr
	 *            the number of the document
	 * @return the name of the document
	 */
	public static String createXdmDocName(Document xdsDoc, int docNr) {
		// compile the path and filename for the zip file
		var fileName = "DOC";

		// Fix DocumentDescriptor problem...
		var dd = DocumentDescriptor
				.getDocumentDescriptorForMimeType(xdsDoc.getDocumentEntry().getMimeType());
		if (dd.toString().startsWith("UNKNOWN!")) {
			String mimeType = dd.toString().replace("UNKNOWN!", "");
			mimeType = mimeType.substring(mimeType.indexOf("!") + 1, mimeType.length());
			dd = DocumentDescriptor.getDocumentDescriptorForMimeType(mimeType);
		}

		final String fileNameExtension = DocDescriptor.getFileExtension(dd);
		fileName = fileName.concat(String.format("%5s", docNr).replace(' ', '0'));
		fileName = fileName.concat("." + fileNameExtension.toUpperCase());
		return fileName;
	}

	/**
	 * Creates a document path and name in conformance with the XDM document
	 * naming scheme
	 *
	 * @param xdsDoc
	 *            the OHT XDSDocument
	 * @param docNr
	 *            the number of the document
	 * @return the path and name of the document
	 */
	public static String createXdmDocPathAndName(Document xdsDoc, int docNr) {
		return "IHE_XDM/SUBSET01/" + createXdmDocName(xdsDoc, docNr);
	}

	/**
	 * Default constructor to instanciate the object
	 */
	private XdsUtil() {

	}
}