package jalview.ws2;

import java.io.Serializable;
import java.net.URI;
import java.util.Date;

import jalview.util.MathUtils;

import static java.lang.String.format;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

/**
 * An id handler to the external job running on the server. This is the smallest
 * job unit which might me a part of a larger multi-stage or parallel task
 * handled by the WebServiceWorker. Jobs are created by the JalviewWebService on
 * job submission and are used to identify that job during its lifetime. It can
 * be serialized and used between application launches.
 *
 * @author mmwarowny
 *
 */
public final class WSJob implements Serializable
{
  private static final long serialVersionUID = -4600214977954333787L;

  /* Client-side identifier */
  public final long uid = MathUtils.getUID();

  private int jobNum = 0;

  /* Shortened server name e.g. "slivka" or "jabaws" */
  private String serviceProvider = "";

  /* Name of the service e.g. "ClustalW2" */
  private String serviceName = "";

  /* Server-side identifier */
  private String jobId = "";

  private WSJobStatus status = WSJobStatus.UNKNOWN;

  private String log = "";

  private String errorLog = "";

  /* Base url of the server associated with the job */
  private String hostName = "";

  private Date creationTime = new Date();

  public PropertyChangeSupport pcs = new PropertyChangeSupport(this);

  public WSJob()
  {
  }

  public WSJob(String serviceProvider, String serviceName, String hostName)
  {
    this.serviceProvider = serviceProvider;
    this.serviceName = serviceName;
    this.hostName = hostName;
  }

  @Override
  public String toString()
  {
    return format("%s:%s [%s] Created %s", serviceProvider, serviceName,
            jobId, creationTime);
  }

  public int getJobNum()
  {
    return jobNum;
  }

  public void setJobNum(int jobNum)
  {
    this.jobNum = jobNum;
  }

  public WSJobStatus getStatus()
  {
    return status;
  }

  public void setStatus(WSJobStatus status)
  {
    var oldStatus = this.status;
    this.status = status;
    pcs.firePropertyChange("status", oldStatus, status);
  }

  public String getLog()
  {
    return log;
  }

  public void setLog(String log)
  {
    var oldLog = this.log;
    this.log = log;
    pcs.firePropertyChange("log", oldLog, log);
  }

  public String getErrorLog()
  {
    return errorLog;
  }

  public void setErrorLog(String log)
  {
    String oldErrorLog = this.errorLog;
    this.errorLog = log;
    pcs.firePropertyChange("errorLog", oldErrorLog, this.errorLog);
  }

  public long getUid()
  {
    return uid;
  }

  public String getServiceProvider()
  {
    return serviceProvider;
  }

  public void setServiceProvider(String serviceProvider)
  {
    this.serviceProvider = serviceProvider;
  }

  public String getServiceName()
  {
    return serviceName;
  }

  public void setServiceName(String serviceName)
  {
    this.serviceName = serviceName;
  }

  public String getJobId()
  {
    return jobId;
  }

  public void setJobId(String jobID)
  {
    this.jobId = jobID;
  }

  public String getHostName()
  {
    return hostName;
  }

  public void setHostName(String hostName)
  {
    this.hostName = hostName;
  }

  public Date getCreationTime()
  {
    return creationTime;
  }

  public void setCreationTime(Date creationTime)
  {
    this.creationTime = creationTime;
  }

  public void addPropertyChangeListener(PropertyChangeListener listener)
  {
    pcs.addPropertyChangeListener(listener);
  }

  public void addPropertyChangeListener(String propertyName,
          PropertyChangeListener listener)
  {
    pcs.addPropertyChangeListener(propertyName, listener);
  }

  public void removePropertyChangeListener(PropertyChangeListener listener)
  {
    pcs.removePropertyChangeListener(listener);
  }

  public void removePropertyChagneListener(String propertyName,
          PropertyChangeListener listener)
  {
    pcs.removePropertyChangeListener(propertyName, listener);
  }
}