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// Copyright 2015-2024 Nstream, inc.
//
// Licensed under the Redis Source Available License 2.0 (RSALv2) Agreement;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://redis.com/legal/rsalv2-agreement/
//
// 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 nstream.adapter.common.ext;

import nstream.adapter.common.AdapterSettings;
import swim.codec.Format;
import swim.codec.Output;
import swim.structure.Form;
import swim.structure.Kind;
import swim.structure.Tag;
import swim.structure.Value;

/**
 * Provides a concrete class to parse and store agent configuration
 * used for NATS JetStream ingress by {@code nstream.adapter.nats.NatsIngestingAgent} and
 * {@code NatsIngestingPatch}.
 */

@Tag("natsIngressSettings")
public class NatsIngressSettings implements AdapterSettings {

  private static final NatsIngressSettings DEFAULT = new NatsIngressSettings();
  @Kind
  private static Form form;

  private final String connectionProvisionName;
  // private final String consumerConfigurationProvisionName;
  // private final String pullSubscriberOptionsProvisionName;
  private final String natsIngressSubjectName;
  private final String natsIngressStreamName;
  private final String contentTypeOverride;
  private final Value relaySchema;

  public NatsIngressSettings(String connectionProvisionName,
                             String natsIngressSubjectName, String natsIngressStreamName,
                             String contentTypeOverride, Value relaySchema) {
    this.connectionProvisionName = connectionProvisionName;
    this.natsIngressSubjectName = natsIngressSubjectName;
    this.natsIngressStreamName = natsIngressStreamName;
    this.contentTypeOverride = contentTypeOverride;
    this.relaySchema = relaySchema;
  }

  public NatsIngressSettings() {
    this("natsConnectionProvision", "UndefinedStream", "UndefinedSubject", null, null);
  }

  public static Form form() {
    if (NatsIngressSettings.form == null) {
      NatsIngressSettings.form = Form.forClass(NatsIngressSettings.class);
    }
    return NatsIngressSettings.form;
  }

  public static NatsIngressSettings defaultSettings() {
    return NatsIngressSettings.DEFAULT;
  }

  public String getConnectionProvisionName() {
    return this.connectionProvisionName;
  }

  /**
   * Name of the Subject name to be used for ingestion.
   *
   * @return the Subject name string
   */
  public String getNatsIngressSubjectName() {
    return this.natsIngressSubjectName;
  }

  /**
   * Name of the Stream name to be used for ingestion.
   *
   * @return the Stream name string
   */
  public String getNatsIngressStreamName() {
    return this.natsIngressStreamName;
  }

  public String contentTypeOverride() {
    return this.contentTypeOverride;
  }

  public Value relaySchema() {
    return this.relaySchema;
  }

  @Override
  public  Output debug(Output output) {
    output = output.write("NatsIngressSettings").write('.').write("of").write('(').write(')')
        .write('.').write("connectionProvisionName").write('(').debug(this.connectionProvisionName).write(')')
        .write('.').write("natsIngressStreamName").write('(').debug(this.natsIngressStreamName).write(')')
        .write('.').write("natsIngressSubjectName").write('(').debug(this.natsIngressSubjectName).write(')')
        .write('.').write("contentTypeOverride").write('(').debug(this.contentTypeOverride).write(')')
        .write('.').write("relaySchema").write('(').debug(this.relaySchema).write(')');
    return output;
  }

  @Override
  public String toString() {
    return Format.debug(this);
  }

}