import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;

public class Agenda implements Serializable {

	private static final long serialVersionUID = 1;

	private ArrayList<Stage> stages;
	private ArrayList<Event> events;
	private ArrayList<Artist> artists;

	public Agenda() {
		stages = new ArrayList<Stage>();
		events = new ArrayList<Event>();
		artists = new ArrayList<Artist>();
	}

	public void addStage(Stage stage) {
		stages.add(stage);
	}

	public void addEvent(Event event) {
		events.add(event);
	}

	public void addArtist(Artist artist) {
		artists.add(artist);
	}

	public void fillArtists() {
		FileInputStream fis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream("artists.dat");
			ois = new ObjectInputStream(fis);

			Object object;
			object = ois.readObject();
			try {
				while (object != null) {
					artists.add((Artist) object);
					object = ois.readObject();
				}
			} catch (EOFException e) {
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public void fillEvents() {
		FileInputStream fis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream("events.dat");
			ois = new ObjectInputStream(fis);

			Object object;
			object = ois.readObject();
			try {
				while (object != null) {
					events.add((Event) object);
					object = ois.readObject();
				}
			} catch (EOFException e) {
			}
		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	public void fillStages() {
		FileInputStream fis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream("stages.dat");
			ois = new ObjectInputStream(fis);

			Object object;
			object = ois.readObject();
			try {
				while (object != null) {
					stages.add((Stage) object);
					object = ois.readObject();
				}
			} catch (EOFException e) {
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public void saveStages() {

		try {
			File file = new File("stages.dat");
			if (!file.exists()){
				file.createNewFile();
			} 		
			FileOutputStream fos = new FileOutputStream(file);
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			for (Stage stage : stages) {
				oos.writeObject(stage);
			}
			oos.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public void saveEvents() {

		try {
			File file = new File("events.dat");
			if (!file.exists()){
				file.createNewFile();
			} 
			FileOutputStream fos = new FileOutputStream(file);
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			for (Event event : events) {
				oos.writeObject(event);
			}
			oos.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public void saveArtists() {
		
		try {
			File file = new File("artists.dat");
			if (!file.exists()){
				file.createNewFile();
			} 
			FileOutputStream fos = new FileOutputStream(file);
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			for (Artist artist : artists) {
				oos.writeObject(artist);
			}
			oos.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public void addEvents()
	{
		int ID = 0;
		for (Stage stage : stages)
		{
			ID = stage.getID();
			for (Event event : events)
			{
				if ( ID == event.getID())
				{
					stage.addEvent(event);
				}
			}
		}
	}
		
	public void saveAll()
	{
		saveArtists();
		saveEvents();
		saveStages();
	}
	
	public void fillAll()
	{
		fillArtists();
		fillEvents();
		fillStages();
		addEvents();
	}
}