package jalview.ws2.api;

import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import jalview.ws.params.ParamDatastoreI;
import jalview.ws2.actions.api.ActionI;

import static java.util.Objects.requireNonNull;

public class WebService<A extends ActionI<?>>
{
  public static class Builder<A extends ActionI<?>>
  {
    private URL url;

    private String clientName;

    private String category;

    private String name;

    private String description = "";

    private boolean interactive = false;

    private ParamDatastoreI paramDatastore;

    private Class<A> actionClass;

    public Builder<A> url(URL val)
    {
      url = val;
      return this;
    }

    public Builder<A> clientName(String val)
    {
      clientName = val;
      return this;
    }

    public Builder<A> category(String val)
    {
      category = val;
      return this;
    }

    public Builder<A> name(String val)
    {
      name = val;
      return this;
    }

    public Builder<A> description(String val)
    {
      description = val;
      return this;
    }

    public Builder<A> interactive(boolean val)
    {
      interactive = val;
      return this;
    }

    public Builder<A> paramDatastore(ParamDatastoreI val)
    {
      paramDatastore = val;
      return this;
    }

    public Builder<A> actionClass(Class<A> val)
    {
      actionClass = val;
      return this;
    }

    public WebService<A> build()
    {
      return new WebService<A>(this);
    }
  }

  private final URL url;

  private final String clientName;

  private final String category;

  private final String name;

  private final String description;

  private final boolean interactive;

  private final ParamDatastoreI paramDatastore;

  private final List<A> actions;

  private final Class<A> actionClass;

  protected WebService(Builder<A> builder)
  {
    requireNonNull(builder.url);
    requireNonNull(builder.clientName);
    requireNonNull(builder.category);
    requireNonNull(builder.name);
    requireNonNull(builder.paramDatastore);
    requireNonNull(builder.actionClass);
    this.url = builder.url;
    this.clientName = builder.clientName;
    this.category = builder.category;
    this.name = builder.name;
    this.description = builder.description;
    this.interactive = builder.interactive;
    this.paramDatastore = builder.paramDatastore;
    this.actions = new ArrayList<>();
    this.actionClass = builder.actionClass;
  }

  public static <A extends ActionI<?>> Builder<A> newBuilder()
  {
    return new Builder<A>();
  }

  public void addAction(A action)
  {
    this.actions.add(action);
  }

  public void addActions(Collection<? extends A> actions)
  {
    this.actions.addAll(actions);
  }

  public URL getUrl()
  {
    return url;
  }

  public String getClientName()
  {
    return clientName;
  }

  public String getCategory()
  {
    return category;
  }

  public String getName()
  {
    return name;
  }

  public String getDescription()
  {
    return description;
  }

  public boolean isInteractive()
  {
    return interactive;
  }

  public ParamDatastoreI getParamDatastore()
  {
    return paramDatastore;
  }

  public List<A> getActions()
  {
    return actions;
  }

  public Class<A> getActionClass()
  {
    return actionClass;
  }
}