/*
 *
 * Copyright (c) 2013 - 2017 Lijun Liao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 *
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the XiPKI software without
 * disclosing the source code of your own applications.
 *
 * For more information, please contact Lijun Liao at this
 * address: lijun.liao@gmail.com
 */

package org.xipki.pki.ca.server.impl.store;

import java.util.ArrayList;
import java.util.List;

import org.xipki.commons.common.util.ParamUtil;

/**
 * @author Lijun Liao
 * @since 2.0.0
 */

class CertBasedIdentityStore {

    private final String table;

    private final List<CertBasedIdentityEntry> entries;

    CertBasedIdentityStore(final String table, final List<CertBasedIdentityEntry> entries) {
        this.table = ParamUtil.requireNonNull("table", table);
        ParamUtil.requireNonNull("entries", entries);
        this.entries = new ArrayList<>(entries.size());

        for (CertBasedIdentityEntry entry : entries) {
            addIdentityEntry(entry);
        }
    }

    void addIdentityEntry(final CertBasedIdentityEntry entry) {
        ParamUtil.requireNonNull("entry", entry);

        for (CertBasedIdentityEntry existingEntry : entries) {
            if (existingEntry.getId() == entry.getId()) {
                throw new IllegalArgumentException(String.format(
                        "%s with the same id %d already available", table, entry.getId()));
            }
        }

        entries.add(entry);
    }

    Integer getCaIdForSubject(final String subject) {
        for (CertBasedIdentityEntry entry : entries) {
            if (entry.getSubject().equals(subject)) {
                return entry.getId();
            }
        }

        return null;
    }

    Integer getCaIdForSha1Fp(final byte[] sha1FpCert) {
        for (CertBasedIdentityEntry entry : entries) {
            if (entry.matchSha1Fp(sha1FpCert)) {
                return entry.getId();
            }
        }

        return null;
    }

    Integer getCaIdForCert(final byte[] encodedCert) {
        for (CertBasedIdentityEntry entry : entries) {
            if (entry.matchCert(encodedCert)) {
                return entry.getId();
            }
        }

        return null;
    }

    String getTable() {
        return table;
    }

    int getSize() {
        return entries.size();
    }

}