package de.thedevstack.conversationsplus.dto;

import android.util.Base64;

import de.thedevstack.conversationsplus.xmpp.jid.Jid;

public class Avatar {

	public enum Origin { PEP, VCARD };

	public String type;
	public String sha1sum;
	public String image;
	public int height;
	public int width;
	public long size;
	public Jid owner;
	public Origin origin = Origin.PEP; //default to maintain compat

	public byte[] getImageAsBytes() {
		return Base64.decode(image, Base64.DEFAULT);
	}

	public String getFilename() {
		return sha1sum;
	}

	@Override
	public boolean equals(Object object) {
		if (object != null && object instanceof Avatar) {
			Avatar other = (Avatar) object;
			return other.getFilename().equals(this.getFilename());
		} else {
			return false;
		}
	}

    public static boolean isValidSHA1(String s) {
        return s != null && s.matches("[a-fA-F0-9]{40}");
    }
}