// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package google.registry.keyring.api;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;

import javax.annotation.concurrent.Immutable;
import org.bouncycastle.openpgp.PGPKeyPair;
import org.bouncycastle.openpgp.PGPPrivateKey;
import org.bouncycastle.openpgp.PGPPublicKey;

/** A {@link Keyring} that uses in-memory values for all credentials. */
@Immutable
public final class InMemoryKeyring implements Keyring {

  private final PGPKeyPair rdeStagingKey;
  private final PGPKeyPair rdeSigningKey;
  private final PGPPublicKey rdeReceiverKey;
  private final PGPKeyPair brdaSigningKey;
  private final PGPPublicKey brdaEncryptionKey;
  private final String rdeSshClientPublicKey;
  private final String rdeSshClientPrivateKey;
  private final String icannReportingPassword;
  private final String marksdbDnlLogin;
  private final String marksdbLordnPassword;
  private final String marksdbSmdrlLogin;
  private final String jsonCredential;
  private final String braintreePrivateKey;

  public InMemoryKeyring(
      PGPKeyPair rdeStagingKey,
      PGPKeyPair rdeSigningKey,
      PGPPublicKey rdeReceiverKey,
      PGPKeyPair brdaSigningKey,
      PGPPublicKey brdaEncryptionKey,
      String rdeSshClientPublicKey,
      String rdeSshClientPrivateKey,
      String icannReportingPassword,
      String marksdbDnlLogin,
      String marksdbLordnPassword,
      String marksdbSmdrlLogin,
      String jsonCredential,
      String braintreePrivateKey) {
    checkArgument(PgpHelper.isSigningKey(rdeSigningKey.getPublicKey()),
        "RDE signing key must support signing: %s", rdeSigningKey.getKeyID());
    checkArgument(rdeStagingKey.getPublicKey().isEncryptionKey(),
        "staging key must support encryption: %s", rdeStagingKey.getKeyID());
    checkArgument(rdeReceiverKey.isEncryptionKey(),
        "receiver key must support encryption: %s", rdeReceiverKey.getKeyID());
    checkArgument(PgpHelper.isSigningKey(brdaSigningKey.getPublicKey()),
        "BRDA signing key must support signing: %s", brdaSigningKey.getKeyID());
    checkArgument(brdaEncryptionKey.isEncryptionKey(),
        "encryption key must support encryption: %s", brdaEncryptionKey.getKeyID());
    this.rdeStagingKey = rdeStagingKey;
    this.rdeSigningKey = rdeSigningKey;
    this.rdeReceiverKey = rdeReceiverKey;
    this.brdaSigningKey = brdaSigningKey;
    this.brdaEncryptionKey = brdaEncryptionKey;
    this.rdeSshClientPublicKey = checkNotNull(rdeSshClientPublicKey, "rdeSshClientPublicKey");
    this.rdeSshClientPrivateKey = checkNotNull(rdeSshClientPrivateKey, "rdeSshClientPrivateKey");
    this.icannReportingPassword = checkNotNull(icannReportingPassword, "icannReportingPassword");
    this.marksdbDnlLogin = checkNotNull(marksdbDnlLogin, "marksdbDnlLogin");
    this.marksdbLordnPassword = checkNotNull(marksdbLordnPassword, "marksdbLordnPassword");
    this.marksdbSmdrlLogin = checkNotNull(marksdbSmdrlLogin, "marksdbSmdrlLogin");
    this.jsonCredential = checkNotNull(jsonCredential, "jsonCredential");
    this.braintreePrivateKey = checkNotNull(braintreePrivateKey, "braintreePrivateKey");
  }

  @Override
  public PGPKeyPair getRdeSigningKey() {
    return rdeSigningKey;
  }

  @Override
  public PGPPublicKey getRdeStagingEncryptionKey() {
    return rdeStagingKey.getPublicKey();
  }

  @Override
  public PGPPrivateKey getRdeStagingDecryptionKey() {
    return rdeStagingKey.getPrivateKey();
  }

  @Override
  public PGPPublicKey getRdeReceiverKey() {
    return rdeReceiverKey;
  }

  @Override
  public PGPKeyPair getBrdaSigningKey() {
    return brdaSigningKey;
  }

  @Override
  public PGPPublicKey getBrdaReceiverKey() {
    return brdaEncryptionKey;
  }

  @Override
  public String getRdeSshClientPublicKey() {
    return rdeSshClientPublicKey;
  }

  @Override
  public String getRdeSshClientPrivateKey() {
    return rdeSshClientPrivateKey;
  }

  @Override
  public String getIcannReportingPassword() {
    return icannReportingPassword;
  }

  @Override
  public String getMarksdbDnlLogin() {
    return marksdbDnlLogin;
  }

  @Override
  public String getMarksdbLordnPassword() {
    return marksdbLordnPassword;
  }

  @Override
  public String getMarksdbSmdrlLogin() {
    return marksdbSmdrlLogin;
  }

  @Override
  public String getJsonCredential() {
    return jsonCredential;
  }

  @Override
  public String getBraintreePrivateKey() {
    return braintreePrivateKey;
  }

  /** Does nothing. */
  @Override
  public void close() {}
}