/*
      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 uk.nhs.interoperability.client.samples.smsp;
  
  import java.io.IOException;
  import java.io.Serializable;
  
  import javax.xml.parsers.ParserConfigurationException;
  import javax.xml.xpath.XPathExpressionException;
  
  import org.w3c.dom.Document;
  import org.xml.sax.SAXException;
  
  import uk.nhs.interoperability.infrastructure.ITKMessagingException;
  import uk.nhs.interoperability.payload.ITKMessage;
  import uk.nhs.interoperability.util.Logger;
  import uk.nhs.interoperability.util.xml.DomUtils;
  import uk.nhs.interoperability.util.xml.XPaths;
  
  
  /**
   * The Class VerifyNHSNumberResponse.
   *
   * @author Michael Odling-Smee
   * @author Nicholas Jones
   * @since 0.1
   */
  public class VerifyNHSNumberResponse implements Serializable {
  
  	/**
  	 * 
  	 */
  	private static final long serialVersionUID = -510904168540955845L;
  	/**
  	 * Gets the nhs number.
  	 *
  	 * @return the nhs number
  	 */
  	public String getNhsNumber() {
  		return nhsNumber;
  	}
  	
  	/**
  	 * Sets the nhs number.
  	 *
  	 * @param nhsNumber the new nhs number
  	 */
  	public void setNhsNumber(String nhsNumber) {
  		this.nhsNumber = nhsNumber;
  	}
  	
  	/**
  	 * Gets the verified indicator.
  	 *
  	 * @return the verified indicator
  	 */
  	public boolean getVerifiedIndicator() {
  		return verifiedIndicator;
  	}
  	
  	/**
  	 * Sets the verified indicator.
  	 *
  	 * @param verifiedIndicator the new verified indicator
  	 */
  	public void setVerifiedIndicator(boolean verifiedIndicator) {
  		this.verifiedIndicator = verifiedIndicator;
  	}
  	
  	/**
  	 * Gets the response code.
  	 *
  	 * @return the response code
  	 */
  	public String getResponseCode() {
  		return responseCode;
  	}
  	
  	/**
  	 * Sets the response code.
  	 *
  	 * @param responseCode the new response code
  	 */
  	public void setResponseCode(String responseCode) {
  		this.responseCode = responseCode;
  	}
  	
  	/**
 	 * Gets the response message.
 	 *
 	 * @return the response message
 	 */
 	public String getResponseMessage() {
 		return responseMessage;
 	}
 	
 	/**
 	 * Sets the response message.
 	 *
 	 * @param responseMessage the new response message
 	 */
 	public void setResponseMessage(String responseMessage) {
 		this.responseMessage = responseMessage;
 	}
 	
 	/** The nhs number. */
 	String nhsNumber;
 	
 	/** The verified indicator. */
 	boolean verifiedIndicator;
 	
 	/** The response code. */
 	String responseCode;
 	
 	/** The response message. */
 	String responseMessage;
 
 	String payload;
 	public String getPayload(){
 		return payload;
 	}
 	
 	/**
 	 * Instantiates a new verify nhs number response.
 	 *
 	 * @param response the response
 	 * @throws ITKMessagingException the iTK messaging exception
 	 */
 	public VerifyNHSNumberResponse(ITKMessage response) throws ITKMessagingException {
 
 		if (response==null || response.getBusinessPayload() == null){
 			throw new ITKMessagingException("No payload returned from service");
 		}
 
 		// Build The Response
 		String verified="";
 		String nhsNumber="";
 		String responseCode="";
 		try {
 			Document responseDoc = DomUtils.parse(response.getBusinessPayload());
 			responseCode = (String)XPaths.getXPathExpression(
 					"/hl7:verifyNHSNumberResponse-v1-0/hl7:value/@code")
 					.evaluate(responseDoc);
 			verified = (String)XPaths.getXPathExpression(
 					"/hl7:verifyNHSNumberResponse-v1-0/hl7:component/hl7:validIdentifier/hl7:value/@value")
 					.evaluate(responseDoc);
 			nhsNumber = (String)XPaths.getXPathExpression(
 					"/hl7:verifyNHSNumberResponse-v1-0/hl7:component/hl7:validIdentifier/hl7:subject/hl7:patient/hl7:id/@extension")
 					.evaluate(responseDoc);
 		} catch (SAXException e) {
 			Logger.error("SAXException parsing VerifyNHSNumberResponse", e);
 			throw new ITKMessagingException("SAXException parsing VerifyNHSNumberResponse");
 		} catch (IOException e) {
 			Logger.error("IOException parsing VerifyNHSNumberResponse", e);
 			throw new ITKMessagingException("IOException parsing VerifyNHSNumberResponse");
 		} catch (ParserConfigurationException e) {
 			Logger.error("ParserConfigurationException parsing VerifyNHSNumberResponse", e);
 			throw new ITKMessagingException("ParserConfigurationException parsing VerifyNHSNumberResponse");
 		} catch (XPathExpressionException e) {
 			Logger.error("XPathExpressionException parsing VerifyNHSNumberResponse", e);
 			throw new ITKMessagingException("XPathExpressionException parsing VerifyNHSNumberResponse");
 		}
 		
 		if (verified.equalsIgnoreCase("TRUE")){
 			this.verifiedIndicator = true;
 		} else {
 			this.verifiedIndicator = false;
 		}
 			
 		this.nhsNumber = nhsNumber;
 		this.responseCode = responseCode;
 		
 		// TODO: Read the specification re: response message doesn't appear to be in the message!
 		this.responseMessage = "";
 		this.payload = response.getBusinessPayload();
 
 	}
 }