/*
 * Copyright (c) 2014 Hewlett-Packard Development Company, L.P. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.aaa;

import static org.opendaylight.aaa.EqualUtil.areEqual;
import static org.opendaylight.aaa.HashCodeUtil.hash;

import org.opendaylight.aaa.api.PasswordCredentials;

/**
 * {@link PasswordCredentials} builder.
 *
 * @author liemmn
 *
 */
public class PasswordCredentialBuilder {
    private final MutablePasswordCredentials pc = new MutablePasswordCredentials();

    public PasswordCredentialBuilder setUserName(String username) {
        pc.username = username;
        return this;
    }

    public PasswordCredentialBuilder setPassword(String password) {
        pc.password = password;
        return this;
    }

    public PasswordCredentialBuilder setDomain(String domain) {
        pc.domain = domain;
        return this;
    }

    public PasswordCredentials build() {
        return pc;
    }

    private static class MutablePasswordCredentials implements PasswordCredentials {
        private int hashCode = 0;
        private String username;
        private String password;
        private String domain;

        @Override
        public String username() {
            return username;
        }

        @Override
        public String password() {
            return password;
        }

        @Override
        public String domain() {
            return domain;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) {
                return true;
            }
            if (!(o instanceof PasswordCredentials)) {
                return false;
            }
            PasswordCredentials p = (PasswordCredentials) o;
            return areEqual(username, p.username()) && areEqual(password, p.password());
        }

        @Override
        public int hashCode() {
            if (hashCode == 0) {
                int result = HashCodeUtil.SEED;
                result = hash(result, username);
                result = hash(result, password);
                hashCode = result;
            }
            return hashCode;
        }
    }
}