/*
 * Name 	: Album
 *
 * Description 	: The Album class is used to create albums containing songs added after its creation and the creation of the songs
 *
 * Version 	: 1.0
 *
 * Date 	: 28/12/2020
 *
 * Copyright 	: Aimeric ADJUTOR
 */

import java.util.*;
import java.io.Serializable;

/**
 * The album class is used to create albums containing songs added after its creation and the creation of the songs.
 *
 * @version 	1.0
 *
 * @see 	Song
 * @author 	Aimeric ADJUTOR
 */

public class Album implements Serializable {
	private static final long serialVersionUID = -8678385322105507976L;

	private int id, duration;
	private Date date;
	private String title, artist;
	private ArrayList<Song> songs = new ArrayList<Song>();

/**
 * Constructor method.
 *
 * @param 	title String
 * @param 	duration int, calculated with the actual duration of the object's songs
 * @param 	artist String
 * @param 	date Date
 * @param 	songs ArrayList
 *
 * @see 	MusicalElement
 *
 * @author 	Aimeric ADJUTOR
 * */
	public Album(String title, int duration, String artist, Date date, ArrayList<Song> songs) {
		this.title=title;
		this.duration=this.getDuration();
		this.artist=artist;
		this.date=date;
		this.songs=songs;
	}
/**
 * This method is used to give the id of the album.
 *
 * @return 	It returns the id, which is an int.
 *
 * @author 	Aimeric ADJUTOR
 * */
	public int getId(){return id;}

/**
 * This method is used to give the title of the album.
 *
 * @return 	It returns the title, which is a String.
 *
 * @author 	Aimeric ADJUTOR
 * */
	public String getTitle(){return title;}

/**
 * This method is used to give the duration of the album.
 * It calculates it by getting the duration of each songs.
 *
 * @return 	It returns the total duration, which is an int.
 *
 * @see 	Song#getDuration
 *
 * @author 	Aimeric ADJUTOR
 * */
	public int getDuration(){
		for (Song s : songs) {duration+=s.getDuration();} //increase with each song's getDuration()
		return duration;
	}

/**
 * This method is used to give the artist of the album.
 *
 * @return 	It returns the artist, which is a String.
 *
 * @author 	Aimeric ADJUTOR
 * */
	public String getArtist(){return artist;}

/**
 * This method is used to give the date of release of the album.
 *
 * @return 	It returns the date, which is a Date.
 *
 * @author 	Aimeric ADJUTOR
 * */
	public Date getDate(){return date;}

/**
 * This method is used to print the each songs contained in the songs attribute of the album.
 *
 * @author 	Aimeric ADJUTOR
 * */
	public void getSongs(){
		for ( Song s : songs ){
		    System.out.println(s);
		}

	}

/**
 * This method is used for the AG command in jMusicHub.
 * It's searching for the irst song in the ArrayList songs and takes it's name.
 *
 * @return 	The genre, a Genre object, is returned.
 *
 * @see 	Song#getGenre
 * @see 	jMusicHub#listAlbumsByGenre
 *
 * @author 	Aimeric ADJUTOR
 * */
	public String getGenre(){ //used for AG
		Song firstSong=this.songs.get(0);
		String firstSongGenre = firstSong.getGenre();
		return firstSongGenre;
	};

/**
 * Basic method to set the id of the album.
 *
 * @param id int
 *
 * @author 	Aimeric ADJUTOR
 * */
	public void setId(int id){this.id=id;}

/**
 * Basic method to set the title of the album.
 *
 * @param title String
 *
 * @author 	Aimeric ADJUTOR
 * */
	public void setTitle(String title){this.title=title;}

/**
 * Basic method to set the artist of the album.
 *
 * @param artist String
 *
 * @author 	Aimeric ADJUTOR
 * */
	public void setArtist(String artist){this.artist=artist;}

/**
 * Basic method to set the date of the album.
 *
 * @param date Date
 *
 * @author 	Aimeric ADJUTOR
 * */
	public void setDate(Date date){this.date=date;}

/**
 * Mehtod to add songs, of the Song class, to the album's arrayList.
 *
 * @param song Song
 *
 * @author 	Aimeric ADJUTOR
 * */
	public void addSong(Song song){
		this.songs.add(song);
	}

/**
 * Basic method to "configure" what does a print of this object actually does.
 *
 * @return 	String, using the object's methods
 *
 * @author 	Aimeric ADJUTOR
 * */
	public String toString() {
		return "Id : "+getId()+"\nTitle : "+getTitle()+"\nDuration : "+getDuration()+"\nArtist : "+getArtist()+"\nDate of release : "+getDate();
}

}