EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.model.agent;

import java.io.Serializable;

import java.net.URI;

import java.util.ArrayList;

import java.util.Collection;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

import javax.persistence.Column;

import javax.persistence.ElementCollection;

import javax.persistence.Embeddable;

import javax.persistence.FetchType;

import javax.persistence.OneToMany;

import javax.persistence.Transient;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import javax.xml.bind.annotation.XmlElement;

import javax.xml.bind.annotation.XmlElementWrapper;

import javax.xml.bind.annotation.XmlRootElement;

import javax.xml.bind.annotation.XmlSchemaType;

import javax.xml.bind.annotation.XmlType;

import org.apache.commons.lang3.StringUtils;

import org.apache.log4j.Logger;

import org.hibernate.annotations.Cascade;

import org.hibernate.annotations.CascadeType;

import org.hibernate.envers.Audited;

import eu.etaxonomy.cdm.model.location.Country;

import eu.etaxonomy.cdm.model.location.Point;

import eu.etaxonomy.cdm.strategy.merge.MergeException;

/**

 * The class for information on how to approach a {@link Person person} or an {@link Institution institution}.

 * It includes telecommunication data and an electronic as well as

 * multiple postal addresses.

* <P>

 * This class corresponds to: <ul>

 * <li> ContactDetails according to the TDWG ontology

 * <li> Contact (partially) according to the ABCD schema

 * </ul>

 *

 * @author m.doering

 * @version 1.0

 * @since 08-Nov-2007 13:06:18

 */

@XmlAccessorType(XmlAccessType.FIELD)

@XmlType(name = "Contact", propOrder = {

    "emailAddresses",

    "urls",

    "phoneNumbers",

    "faxNumbers",

    "addresses"

})

@XmlRootElement(name = "Contact")

@Embeddable

@Audited

public class Contact implements Serializable, Cloneable {

	private static final long serialVersionUID = -1851305307069277625L;

	private static final Logger logger = Logger.getLogger(Contact.class);

	@XmlElementWrapper(name = "EmailAddresses", nillable = true)

	@XmlElement(name = "EmailAddress")

	@ElementCollection(fetch = FetchType.LAZY)

	@Column(name = "contact_emailaddresses_element")

	private List<String> emailAddresses = new ArrayList<>();

	@XmlElementWrapper(name = "URLs", nillable = true)

	@XmlElement(name = "URL")

    @XmlSchemaType(name = "anyURI")

	@ElementCollection(fetch = FetchType.LAZY)

    @Column(name = "contact_urls_element" /*, length=330  */)  //length >255 does not work in InnoDB AUD tables for Key length of (REV, id, url) key

	private final List<String> urls = new ArrayList<>();

	@XmlElementWrapper(name = "PhoneNumbers", nillable = true)

	@XmlElement(name = "PhoneNumber")

	@ElementCollection(fetch = FetchType.LAZY)

    @Column(name = "contact_phonenumbers_element")

	@Cascade({CascadeType.SAVE_UPDATE, CascadeType.MERGE, CascadeType.DELETE})

	private List<String> phoneNumbers = new ArrayList<>();

	@XmlElementWrapper(name = "FaxNumbers", nillable = true)

	@XmlElement(name = "FaxNumber")

	@ElementCollection(fetch = FetchType.LAZY)

    @Column(name = "contact_faxnumbers_element")

	private List<String> faxNumbers = new ArrayList<>();

    @XmlElementWrapper(name = "Addresses", nillable = true)

    @XmlElement(name = "Address")

    @OneToMany(fetch = FetchType.LAZY, orphanRemoval=true)

	@Cascade({CascadeType.SAVE_UPDATE, CascadeType.MERGE})

	protected Set<Address> addresses = new HashSet<>();

	public static Contact NewInstance() {

		return new Contact();

	}

	/**

	 * Creates a new contact

	 * @param street

	 * @param postcode

	 * @param locality

	 * @param country

	 * @param pobox

	 * @param region

	 * @param email

	 * @param faxNumber

	 * @param phoneNumber

	 * @param url

	 * @param location

	 * @return

	 */

	public static Contact NewInstance(String street, String postcode, String locality,

			Country country, String pobox, String region,

			String email, String faxNumber, String phoneNumber, URI url, Point location) {

		Contact result = new Contact();

		if (country != null || StringUtils.isNotBlank(locality) || StringUtils.isNotBlank(pobox) || StringUtils.isNotBlank(postcode) ||

				StringUtils.isNotBlank(region) || StringUtils.isNotBlank(street) ){

			Address newAddress = Address.NewInstance(country, locality, pobox, postcode, region, street, location);

			result.addAddress(newAddress);

		}

		if (email != null){

			result.addEmailAddress(email);

		}

		if (faxNumber != null){

			result.addFaxNumber(faxNumber);

		}

		if (phoneNumber != null){

			result.addPhoneNumber(phoneNumber);

		}

		if (url != null){

			result.addUrl(url);

		}

		return result;

	}

	public static Contact NewInstance(Set<Address> addresses, List<String> emailAddresses,

			List<String> faxNumbers, List<String> phoneNumbers, List<URI> urls) {

		Contact result = new Contact();

		if (addresses != null){

			result.addresses = addresses;

		}

		if (emailAddresses != null){

			result.emailAddresses = emailAddresses;

		}

		if (faxNumbers != null){

			result.faxNumbers = faxNumbers;

		}

		if (phoneNumbers != null){

			result.phoneNumbers = phoneNumbers;

		}

		if (urls != null){

			for (URI uri : urls){

				result.urls.add(uri.toString());

			}

		}

		return result;

	}

// ************************ CONSTRUCTOR **************************/

	/**

	 * Class constructor.

	 */

	public Contact() {

	}

// ************************ MERGE /MATCH ***************************/

	public void merge(Contact contact2) throws MergeException{

		if (contact2 != null){

			mergeList(this.getEmailAddresses(), contact2.getEmailAddresses());

			mergeList(this.getFaxNumbers(), contact2.getFaxNumbers());

			mergeList(this.getPhoneNumbers(), contact2.getPhoneNumbers());

			mergeList(this.getUrls(), contact2.getUrls());

			for (Address address : contact2.getAddresses()){

				try {

					if (this.addresses == null){

						this.addresses = new HashSet<>();

					}

					this.addresses.add(address.clone());

				} catch (CloneNotSupportedException e) {

					throw new MergeException("Address must implement Cloneable");

				}

			}

		}

	}

	private void mergeList(List list1, List list2){

		for (Object obj2 : list2){

			if (! list1.contains(obj2)){

				list1.add(obj2);

			}

		}

	}

    /**

     * True, if no contact data exists in any of the lists (email, phone, ...).

     */

    @Transient

    public boolean isEmpty(){

        if (isEmpty(emailAddresses) && isEmpty(faxNumbers) && isEmpty(phoneNumbers)

                && isEmpty(urls) && isEmpty(addresses)){

            return true;

        }else{

            return false;

        }

    }

    private boolean isEmpty(Collection<? extends Object> collection) {

        return collection == null || collection.isEmpty();

    }

    /**

	 * Returns the set of postal {@link Address addresses} belonging to <i>this</i> contact.

	 * A {@link Person person} or an {@link Institution institution} cannot have more than one contact,

	 * but a contact may include several postal addresses.

	 *

	 * @return	the set of postal addresses

	 * @see     Address

	 */

	public Set<Address> getAddresses(){

		return this.addresses;

	}

	/**

	 * Adds a new postal {@link Address address} to the set of postal addresses of <i>this</i> contact.

	 *

	 * @param  address  the address to be added

	 * @see     		#getAddresses()

	 * @see 			Address

	 */

	public void addAddress(Address address){

		if (address != null){

			getAddresses().add(address);

		}

	}

	public Address addAddress(String street, String postcode, String locality,

			Country country, String pobox, String region, Point location){

		Address newAddress = Address.NewInstance(country, locality, pobox, postcode, region, street, location);

		getAddresses().add(newAddress);

		return newAddress;

	}

	/**

	 * Removes one element from the set of postal addresses of <i>this</i> contact.

	 *

	 * @param  address  the postal address of <i>this</i> contact which should be deleted

	 * @see     		#getAddresses()

	 */

	public void removeAddress(Address address){

		getAddresses().remove(address);

	}

	/**

	 * Returns the List of strings representing the electronic mail addresses

	 * included in <i>this</i> contact.

	 */

	public List<String> getEmailAddresses(){

		if(this.emailAddresses == null) {

			this.emailAddresses = new ArrayList<>();

		}

		return this.emailAddresses;

	}

	/**

	 * @see  #getEmailAddress()

	 */

	public void addEmailAddress(String emailAddress){

		getEmailAddresses().add(emailAddress);

	}

	/**

	 * Removes one element from the list of email addresses of <i>this</i> contact.

	 *

	 * @param  emailAddress  the email address of <i>this</i> contact which should be deleted

	 * @see     		#getEmailAddresses()

	 */

	public void removeEmailAddress(String emailAddress){

		getEmailAddresses().remove(emailAddress);

	}

//	/**

//	 * Returns the list of {@link URI URIs} representing this contact

//	 * included in <i>this</i> contact.

//	 */

//	@Transient   //TODO preliminary workaround as we get LazyInit Exception in JSON #4444

//	public List<URI> getUrls(){

//		List<URI> result = new ArrayList<URI>();

//		if(this.urls != null) {

//			for (String uri : this.urls){

//				result.add(URI.create(uri));

//			}

//		}

//		return result;

//	}

	/**

	 * Returns the list of {@link URI URIs} representing this contact

	 * included in <i>this</i> contact.

	 */

	public List<String> getUrls(){

		return this.urls;

	}

	/**

	 * @see  #getUrls()

	 */

	public void addUrl(URI url){

		this.urls.add(url.toString());

	}

	/**

	 * Removes one element from the list of urls of <i>this</i> contact.

	 *

	 * @param  url  the url of <i>this</i> contact which should be deleted

	 * @see     		#getUrls()

	 */

	public void removeUrl(URI url){

		this.urls.remove(url.toString());

	}

	/**

	 * Returns the list of strings representing the phone numbers

	 * included in <i>this</i> contact.

	 */

	public List<String> getPhoneNumbers(){

		if(this.phoneNumbers == null) {

			this.phoneNumbers = new ArrayList<>();

		}

		return this.phoneNumbers;

	}

	/**

	 * @see  #getPhone()

	 */

	public void addPhoneNumber(String phoneNumber){

		getPhoneNumbers().add(phoneNumber);

	}

	/**

	 * Removes one element from the list of phone numbers of <i>this</i> contact.

	 *

	 * @param  phoneNumber  the phone number of <i>this</i> contact which should be deleted

	 * @see     		#getPhoneNumber()

	 */

	public void removePhoneNumber(String phoneNumber){

		getPhoneNumbers().remove(phoneNumber);

	}

	/**

	 * Returns the list of strings representing the telefax numbers

	 * included in <i>this</i> contact.

	 */

	public List<String> getFaxNumbers(){

		if(this.faxNumbers == null) {

			this.faxNumbers = new ArrayList<>();

		}

		return this.faxNumbers;

	}

	/**

	 * @see  #getFaxNumbers()

	 */

	public void addFaxNumber(String faxNumber){

		getFaxNumbers().add(faxNumber);

	}

	/**

	 * Removes one element from the list of telefax numbers of <i>this</i> contact.

	 *

	 * @param  faxNumber  the telefax number of <i>this</i> contact which should be deleted

	 * @see     		#getFaxNumber()

	 */

	public void removeFaxNumber(String faxNumber){

		getFaxNumbers().remove(faxNumber);

	}

//*********************** CLONE ********************************************************/

	/**

	 * Clones <i>this</i> Contact. This is a shortcut that enables to create

	 * a new instance that differs only slightly from <i>this</i> Contact.

	 *

	 *

	 * @see java.lang.Object#clone()

	 */

	@Override

	public Object clone() {

		try{

			Contact result = (Contact) super.clone();

			result.addresses = new HashSet<>();

			for (Address adr : this.addresses){

				result.addAddress(adr.clone());

			}

			//no changes to emailAdresses, faxnumbers, phonenumbers, urls

			return result;

		}catch (CloneNotSupportedException e){

			logger.warn("Object does not implement cloneable");

			e.printStackTrace();

			return null;

		}

	}

}