/*
 * Copyright (c) 2019. All rights reserved.
 *
 * @author Pieter De Clercq <piedcler.declercq@ugent.be>
 */

import java.util.Objects;

/**
 * A player in a soccer team.
 */
public class SoccerPlayer implements Comparable<SoccerPlayer> {
	/**
	 * The position a player can play on the pitch.
	 */
	public enum Position {
		GK /* Goalkeeper */,
		DF /* Defender */,
		MF /* Midfield */,
		FW /* Forward */
	}
	
	private final int age;
	
	private final String firstname;
	private final String lastname;
	
	private final Position position;
	
	/**
	 * SoccerPlayer constructor.
	 *
	 * @param firstName the first name of the player
	 * @param lastName  the last name of the player
	 * @param age       the player's age
	 * @param position  the position on the pitch
	 */
	public SoccerPlayer(final String firstName,
	                    final String lastName,
	                    final int age,
	                    final Position position) {
		this.age = age;
		this.firstname = firstName;
		this.lastname = lastName;
		this.position = position;
	}
	
	@Override
	public int compareTo(final SoccerPlayer other) {
		return this.getName().compareToIgnoreCase(other.getName());
	}
	
	@Override
	public boolean equals(final Object other) {
		if (this == other) return true;
		if (other == null || this.getClass() != other.getClass()) return false;
		SoccerPlayer that = (SoccerPlayer) other;
		return this.age == that.age &&
			this.firstname.equals(that.firstname) &&
			this.lastname.equals(that.lastname) &&
			this.position == that.position;
	}
	
	/**
	 * Gets the age of the player.
	 *
	 * @return the age
	 */
	public int getAge() {
		return this.age;
	}
	
	/**
	 * Gets the full name of the player.
	 *
	 * @return the full name
	 */
	public String getName() {
		return String.format("%s %s", this.firstname, this.lastname);
	}
	
	/**
	 * Gets the position of the player.
	 *
	 * @return the position
	 */
	public Position getPosition() {
		return this.position;
	}
	
	@Override
	public int hashCode() {
		return Objects.hash(this.age, this.firstname, this.lastname,
			this.position
		);
	}
	
	@Override
	public String toString() {
		return this.getName();
	}
}