Lab 9 - ContactViewModel

package edu.westga.cs1302.contacts.viewmodel;

import edu.westga.cs1302.contacts.model.Contact;
import edu.westga.cs1302.contacts.model.Contacts;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.ListProperty;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleListProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.collections.FXCollections;

/**
 * The Class ContactViewModel.
 *
 * @author CS1302
 * @version 1.0
 */
public class ContactViewModel {

	private final StringProperty firstNameProperty;
	private final StringProperty lastNameProperty;
	private final StringProperty phoneNumberProperty;
	private Contacts contacts;
	private final ListProperty<Contact> contactsProperty;
	private final BooleanProperty contactSelectedProperty;

	/**
	 * Instantiates a new ContactViewModel view model.
	 */
	public ContactViewModel() {
		this.firstNameProperty = new SimpleStringProperty();
		this.lastNameProperty = new SimpleStringProperty();
		this.phoneNumberProperty = new SimpleStringProperty();
		this.contacts = new Contacts();
		this.contactsProperty = new SimpleListProperty<Contact>();
		this.contactSelectedProperty = new SimpleBooleanProperty();
	}

	/**
	 * Contact selected property.
	 *
	 * @precondition none
	 * @postcondition none
	 *
	 * @return the boolean property
	 */
	public BooleanProperty contactSelectedProperty() {
		return this.contactSelectedProperty;
	}

	/**
	 * Contacts property.
	 *
	 * @precondition none
	 * @postcondition none
	 *
	 * @return the list property
	 */
	public ListProperty<Contact> contactsProperty() {
		return this.contactsProperty;
	}

	/**
	 * Gets the first name property.
	 *
	 * @precondition none
	 * @postcondition none
	 *
	 * @return the first name property
	 */
	public StringProperty firstNameProperty() {
		return this.firstNameProperty;
	}

	/**
	 * Gets the last name property.
	 *
	 * @precondition none
	 * @postcondition none
	 *
	 * @return the last name property
	 */
	public StringProperty lastNameProperty() {
		return this.lastNameProperty;
	}

	/**
	 * Gets the phone number property.
	 *
	 * @precondition none
	 * @postcondition none
	 *
	 * @return the phone number property
	 */
	public StringProperty phoneNumberProperty() {
		return this.phoneNumberProperty;
	}

	/**
	 * Adds the contact.
	 *
	 * @return true, if successful
	 */
	public boolean addContact() {
		String firstName = this.firstNameProperty.get();
		String lastName = this.lastNameProperty.get();
		String phoneNumber = this.phoneNumberProperty.get();
		Contact newContact = new Contact(firstName, lastName, phoneNumber);
		int prevSize = this.contacts.size();
		this.contacts.put(phoneNumber, newContact);
		if (this.contacts.size() > prevSize) {
			this.firstNameProperty.set("");
			this.lastNameProperty.set("");
			this.phoneNumberProperty.set("");
			this.contactsProperty.set(FXCollections.observableArrayList(this.contacts.values()));
			return true;
		} else {
			return false;
		}
	}

	/**
	 * Updates contact.
	 *
	 * @return true, if successful
	 */
	public boolean updateContact() {
		String searchTerm = this.phoneNumberProperty.getValue();
		Contact contact = this.contacts.get(searchTerm);
		boolean itemUpdated = false;
		if (!contact.getFirstName().equalsIgnoreCase(this.firstNameProperty.getValue())) {
			if (!contact.getLastName().equalsIgnoreCase(this.lastNameProperty.getValue())) {
				this.contacts.get(searchTerm).setFirstName(this.firstNameProperty.getValue());
				this.contacts.get(searchTerm).setLastName(this.lastNameProperty.getValue());
				itemUpdated = true;
				this.contactsProperty.set(FXCollections.observableArrayList(this.contacts.values()));
			}
		}
		if (itemUpdated == false) {
			if (!contact.getFirstName().equalsIgnoreCase(this.firstNameProperty.getValue())) {
				this.contacts.get(searchTerm).setFirstName(this.firstNameProperty.getValue());
				itemUpdated = true;
				this.contactsProperty.set(FXCollections.observableArrayList(this.contacts.values()));
			} else if (!contact.getLastName().equalsIgnoreCase(this.lastNameProperty.getValue())) {
				this.contacts.get(searchTerm).setLastName(this.lastNameProperty.getValue());
				itemUpdated = true;
				this.contactsProperty.set(FXCollections.observableArrayList(this.contacts.values()));
			}
		}
		return itemUpdated;
	}

	/**
	 * Search for a contact.
	 *
	 * @return true, if contact is contained in the collection.
	 */
	public boolean searchForContact() {
		String searchTerm = "";
		Contact contact = null;
		boolean searchBoolean = false;
		if (this.firstNameProperty.getValue().isEmpty() && this.lastNameProperty.getValue().isEmpty()) {
			searchTerm = this.phoneNumberProperty.getValue();
			contact = this.contacts.get(searchTerm);
			if (contact != null) {
				this.firstNameProperty.set(contact.getFirstName());
				this.lastNameProperty.set(contact.getLastName());
				searchBoolean = true;
			}
		} else if (this.phoneNumberProperty.getValue().isEmpty() && this.lastNameProperty.getValue().isEmpty()) {
			searchTerm = this.firstNameProperty.getValue();
			for (Contact currContact : this.contacts.values()) {
				if (currContact.getFirstName().equalsIgnoreCase(searchTerm)) {
					this.lastNameProperty.set(currContact.getLastName());
					this.phoneNumberProperty.set(currContact.getPhoneNumber());
					searchBoolean = true;
				}
			}
		} else if (this.phoneNumberProperty.getValue().isEmpty() && this.firstNameProperty.getValue().isEmpty()) {
			searchTerm = this.lastNameProperty.getValue();
			for (Contact currContact : this.contacts.values()) {
				if (currContact.getLastName().equalsIgnoreCase(searchTerm)) {
					this.firstNameProperty.set(currContact.getFirstName());
					this.phoneNumberProperty.set(currContact.getPhoneNumber());
					searchBoolean = true;
				}
			}
		}
		return searchBoolean;
	}

}