package envoy.client.ui.control;

import javafx.scene.control.Label;
import javafx.scene.layout.VBox;

import envoy.data.*;

/**
 * Displays information about a contact in two rows. The first row contains the name. The second row
 * contains the online status (user) or the member count (group).
 *
 * @author Kai S. K. Engelbart
 * @since Envoy Client v0.2-beta
 */
public final class ContactControl extends VBox {

	private final Contact contact;

	/**
	 * @param contact the contact to display
	 * @since Envoy Client v0.2-beta
	 */
	public ContactControl(Contact contact) {
		this.contact = contact;

		// Name label
		final var nameLabel = new Label(contact.getName());
		getChildren().add(nameLabel);

		// Online status (user) or member count (group)
		getChildren().add(contact instanceof User ? new UserStatusLabel((User) contact)
			: new GroupSizeLabel((Group) contact));

		getStyleClass().add("list-element");
	}

	/**
	 * Replaces the info label of this {@code ContactControl} with an updated version.
	 * <p>
	 * This method should be called when the status of the underlying user or the size of the
	 * underlying group has changed.
	 *
	 * @since Envoy Client v0.3-beta
	 * @apiNote will produce buggy results if contact control gets updated so that the info label is
	 *          no longer on index 1.
	 */
	public void replaceInfoLabel() {
		getChildren().set(1, contact instanceof User ? new UserStatusLabel((User) contact)
			: new GroupSizeLabel((Group) contact));
	}
}