package waluty;

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

public class Tabela {
	private final String typ;
	private final String numer;
	private final LocalDate data;
	private final List<Waluta> waluty = new ArrayList<>();
	
	public Tabela(String typ, String numer, LocalDate data) {
		this.typ = typ;
		this.numer = numer;
		this.data = data;
	}

	public String getTyp() {
		return typ;
	}

	public String getNumer() {
		return numer;
	}

	public LocalDate getData() {
		return data;
	}
	
	public Collection<Waluta> getWaluty() {
		return Collections.unmodifiableList(waluty);
	}

	@Override
	public String toString() {
		return "Tabela nr " + numer + " z dnia " + data + ", " + waluty.size() + " walut";
	}

	public void dodajWalute(Waluta waluta) {
		this.waluty.add(waluta);
	}

	public Waluta wyszukaj(String kod) {
		for(Waluta waluta : waluty) {
			if(waluta.getKod().equals(kod)) {
				return waluta;
			}
		}
		return null;
	}
	
	public String[] getKodyWalut() {
         return this.waluty.stream()
                         .map(Waluta::getKod)
                         .sorted()
                         .toArray(String[]::new);
	}

}
