/*
    * Copyright 2009 the original author or authors.
    * 
    * 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 org.openehealth.ipf.commons.ihe.xds.core.metadata;
  
  import ca.uhn.hl7v2.model.v25.datatype.CX;
  import org.openehealth.ipf.commons.ihe.xds.core.metadata.jaxbadapters.AssigningAuthorityAdapter;
  
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlAttribute;
  import javax.xml.bind.annotation.XmlType;
  import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
  import java.util.Objects;
  
  /**
   * Represents a person ID (HL7v2 CX field where only CX.1, CX.4.2 and CX.4.3
   * are allowed), or an XDS "Coded String".
   * <p>
   * All members of this class are allowed to be <code>null</code>. When transforming
   * to HL7 this indicates that the values are empty. Trailing empty values are 
   * removed from the HL7 string.
   * @author Jens Riemschneider
   * @author Dmytro Rud
   */
  @XmlAccessorType(XmlAccessType.PUBLIC_MEMBER)
  @XmlType(name = "Identifiable", propOrder = {"id", "assigningAuthority"})
  public class Identifiable extends Hl7v2Based<CX> {
      private static final long serialVersionUID = -3392755556068006520L;
  
      /**
       * Constructs an identifiable.
       */
      public Identifiable() {
          super(new CX(MESSAGE));
      }
  
  
      /**
       * Constructs an identifiable.
       */
      public Identifiable(CX cx) {
          super(cx);
      }
  
  
      /**
       * Constructs an identifiable.
       * @param id
       *          person ID (CX.1) / Code.
       * @param assigningAuthority
       *          assigning authority (CX.4) / Code System.
       */
      public Identifiable(String id, AssigningAuthority assigningAuthority) {
          this();
          setId(id);
          setAssigningAuthority(assigningAuthority);
      }
  
      /**
       * @return person ID (CX.1) / Code.
       */
      @XmlAttribute(name = "extension")
      public String getId() {
          return getHapiObject().getCx1_IDNumber().getValue();
      }
  
      /**
       * @param id
       *          person ID (CX.1) / Code.
       */
      public void setId(String id) {
          setValue(getHapiObject().getCx1_IDNumber(), id);
      }
  
      /**
       * @return assigning authority (CX.4) / Code System.
       */
      @XmlAttribute(name = "root")
      @XmlJavaTypeAdapter(value = AssigningAuthorityAdapter.class)
      public AssigningAuthority getAssigningAuthority() {
          AssigningAuthority assigningAuthority = new AssigningAuthority(getHapiObject().getCx4_AssigningAuthority());
          return assigningAuthority.isEmpty() ? null : assigningAuthority;
      }
  
      /**
       * @param assigningAuthority
      *          assigning authority (CX.4) / Code System.
      */
     public void setAssigningAuthority(AssigningAuthority assigningAuthority) {
         setAssigningAuthority(assigningAuthority, getHapiObject().getCx4_AssigningAuthority());
     }
 
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         Identifiable that = (Identifiable) o;
         return Objects.equals(getAssigningAuthority(), that.getAssigningAuthority()) &&
                 Objects.equals(getId(), that.getId());
     }
 
     @Override
     public int hashCode() {
         return Objects.hash(getAssigningAuthority(), getId());
     }
 
     @Override
     public String toString() {
         return "Identifiable(" +
                 "id=" + getId() +
                 ", assigningAuthority=" + getAssigningAuthority() +
                 ')';
     }
 }