/*
 * Copyright 2004 - 2009 Christian Sprajc. All rights reserved.
 *
 * This file is part of PowerFolder.
 *
 * PowerFolder is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * PowerFolder is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with PowerFolder. If not, see <http://www.gnu.org/licenses/>.
 *
 * $Id: FileInfo.java 8381 2009-06-24 01:39:20Z tot $
 */
package de.dal33t.powerfolder.light;

import java.io.Serializable;

import javax.persistence.Embeddable;
import javax.persistence.Transient;

import org.hibernate.annotations.Index;

import de.dal33t.powerfolder.security.Account;
import de.dal33t.powerfolder.util.StringUtils;

/**
 * Leightweight reference/info object to an {@link Account}
 * 
 * @author sprajc
 */
@Embeddable
public class AccountInfo implements Serializable {
    public static final String PROPERTYNAME_USERNAME = "username";

    private static final long serialVersionUID = 100L;

    @Index(name = "IDX_ACCOUNT_OID")
    private String oid;
    private String username;
    @Transient
    private String displayName;

    @SuppressWarnings("unused")
    private AccountInfo() {
        // For hibernate.
    }

    public AccountInfo(String oid, String username, String displayName) {
        super();
        this.oid = oid;
        this.username = username;
        this.displayName = displayName;
    }

    public AccountInfo(String oid, String username) {
        this(oid, username, null);
    }

    public String getOID() {
        return oid;
    }

    public String getDisplayName() {
        if (StringUtils.isNotBlank(displayName)) {
            return displayName;
        }
        return username;
    }

    public String getScrabledDisplayName() {
        return getScrabledName(getDisplayName());
    }

    /**
     * TODO Don't actually transfer unscrambled emails to any client.
     * 
     * @return a scrabled version of the username in case its a email.
     */
    public String getScrabledUsername() {
        return getScrabledName(username);
    }

    /**
     * TODO Don't actually transfer unscrambled emails to any client.
     * 
     * @return a scrabled version of the username in case its a email.
     */
    private String getScrabledName(String val) {
        if (val == null) {
            return null;
        }
        int i = val.indexOf('@');
        if (i < 0) {
            return val;
        }
        int chopIndex = Math.max(i - 3, 1);
        return val.substring(0, chopIndex) + "..." + val.substring(i);
    }

    public String getUsername() {
        return username;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((oid == null) ? 0 : oid.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        AccountInfo other = (AccountInfo) obj;
        if (oid == null) {
            if (other.oid != null)
                return false;
        } else if (!oid.equals(other.oid))
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "AccountInfo '" + getScrabledDisplayName() + "' (" + oid + ')';
    }
}