/*
 * $Id$
 *
 * This file is part of the Cloud Services Integration Platform (CSIP),
 * a Model-as-a-Service framework, API and application suite.
 *
 * 2012-2022, Olaf David and others, OMSLab, Colorado State University.
 *
 * OMSLab licenses this file to you under the MIT license.
 * See the LICENSE file in the project root for more information.
 */
package csip;

import csip.annotations.Name;
import csip.api.server.ServiceAnnotations;
import csip.annotations.Polling;
import csip.annotations.VersionInfo;
import javax.ws.rs.Path;

/**
 * ServiceAnnotation access.
 *
 * @author od
 */
class ServiceAnnotationsImpl implements ServiceAnnotations {

  private final ModelDataService mds;


  ServiceAnnotationsImpl(ModelDataService mds) {
    this.mds = mds;
  }


  public long getNextPoll() {
    Polling p = mds.getClass().getAnnotation(Polling.class);
    return (p != null) ? p.next() : -1;
  }


  public long getFirstPoll() {
    Polling p = mds.getClass().getAnnotation(Polling.class);
    return (p != null) ? p.first() : -1;
  }


  public String getPath() {
    Path p = mds.getClass().getAnnotation(Path.class);
    if (p != null)
      return p.value();

    throw new RuntimeException("@Path annotation missing for " + getClass());
  }


  public String getVersion() {
    Path p = mds.getClass().getAnnotation(Path.class);
    if (p != null) {
      String last = p.value().substring(p.value().lastIndexOf('/'));
      if (Character.isDigit(last.charAt(0))) {
        return last;
      }
    }
    VersionInfo v = mds.getClass().getAnnotation(VersionInfo.class);
    if (v != null)
      return v.value();

    return "";
  }


  @Override
  public String getName() {
    Name n = mds.getClass().getAnnotation(Name.class);
    if (n != null)
      return n.value();

    return mds.getClass().getName();
  }

}