package edu.hawaii.ics613;

import java.util.ArrayList;

public class CompactDiscCollection {
	public ArrayList<CompactDisc> Collection;
	public ArrayList<Integer> HashValues;

	public CompactDiscCollection() {
		ArrayList<CompactDisc> collection = new ArrayList<CompactDisc>();
		Collection = collection;
		ArrayList<Integer> hashvalues = new ArrayList<Integer>();
		HashValues = hashvalues;
	}

	public void addCompactDisc(CompactDisc disc) {
		if (!HashValues.contains(disc.hashCode())){
			Collection.add(disc);
			HashValues.add(disc.hashCode());
		} else
			System.out.println("Error: Compact Disc already in collection.");
	}

	public CompactDisc findCompactDisc(String title, String artist) {
		ArrayList<String> tracks = new ArrayList<String>();
		CompactDisc cd = new CompactDisc(title,artist,tracks);
		if(HashValues.contains(cd.hashCode())) {
			return Collection.get(Collection.indexOf(cd));
		}
		else
			return null;
	}

	public boolean hasCompactDisc(String title, String artist) {
		ArrayList<String> tracks = new ArrayList<String>();
		CompactDisc cd = new CompactDisc(title,artist,tracks);
		if(HashValues.contains(cd.hashCode())) {
			return true;
		}
		else
			return false;
	}

	public void removeCompactDisc(String title, String artist) {
		ArrayList<String> tracks = new ArrayList<String>();
		CompactDisc cd = new CompactDisc(title,artist,tracks);
		int index = Collection.indexOf(cd);
		if (HashValues.contains(cd.hashCode())) {
			Collection.remove(index);
			HashValues.remove(index);
		} else
			System.out.println("Error: Compact Disc not in collection.");
	}

	public ArrayList<CompactDisc> getCollection() {
		return Collection;
	}

	public int size() {
		return Collection.size();
	}

}