package de.animux.android.andmal.api;

import java.util.Collection;
import java.util.Map;

public abstract class MalList {

	private String username;

	private String password;

	protected boolean needsRefresh;

	private static MalList cache;

	public MalList(String username, String password) {
		this.username = username;
		this.password = password;
		cache = this;
		setNeedsRefresh(true);
	}

	public MalList() {
		if (cache != null) {
			this.username = cache.getUsername();
			this.password = cache.getPassword();
			setNeedsRefresh(false);
		}
	}

	public String getUsername() {
		return this.username;
	}

	public void setUsername(String username) {
		if (this.username != null && this.username.equals(username))
			return;
		
		this.username = username;
		this.needsRefresh = true;
		
		if (cache != this
				&& (cache.getUsername() == null || !cache.getUsername().equals(
						username))) {
			cache.setUsername(username);
		}
	}

	protected String getPassword() {
		return this.password;
	}

	public void setPassword(String password) {
		if (this.password != null && this.password.equals(password))
			return;
		
		this.password = password;
		this.needsRefresh = true;
		
		if (cache != this
				&& (cache.getPassword() == null || !cache.getPassword().equals(
						password))) {
			cache.setPassword(password);
		}
	}

	public void setNeedsRefresh(boolean needsRefresh) {
		this.needsRefresh = needsRefresh;
	}

	public boolean needsRefresh() {
		return needsRefresh;
	}

	abstract public void refresh();

	abstract public Map<MalState, Collection<MalObject>> getObjects();

}