/*
    * Portions of this software was developed by employees of the National Institute
    * of Standards and Technology (NIST), an agency of the Federal Government and is
    * being made available as a public service. Pursuant to title 17 United States
    * Code Section 105, works of NIST employees are not subject to copyright
    * protection in the United States. This software may be subject to foreign
    * copyright. Permission in the United States and in foreign countries, to the
    * extent that NIST may hold copyright, to use, copy, modify, create derivative
    * works, and distribute this software and its documentation without fee is hereby
   * granted on a non-exclusive basis, provided that this notice and disclaimer
   * of warranty appears in all copies.
   *
   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
   */
  
  package gov.nist.secauto.oscal.lib.model.control;
  
  import gov.nist.secauto.metaschema.model.common.datatype.markup.MarkupLine;
  import gov.nist.secauto.metaschema.model.common.datatype.markup.MarkupMultiline;
  import gov.nist.secauto.metaschema.model.common.datatype.markup.flexmark.InsertAnchorExtension.InsertAnchorNode;
  import gov.nist.secauto.metaschema.model.common.util.CollectionUtil;
  import gov.nist.secauto.metaschema.model.common.util.ObjectUtils;
  import gov.nist.secauto.oscal.lib.model.ControlPart;
  import gov.nist.secauto.oscal.lib.model.Link;
  import gov.nist.secauto.oscal.lib.model.Property;
  
  import java.net.URI;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Objects;
  import java.util.function.Predicate;
  import java.util.stream.Stream;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public abstract class AbstractPart implements IPart {
  
    @Override
    @NonNull
    public Stream<InsertAnchorNode> getInserts(@NonNull Predicate<InsertAnchorNode> filter) {
      MarkupMultiline prose = getProse();
  
      @NonNull Stream<InsertAnchorNode> retval;
      if (prose == null) {
        retval = ObjectUtils.notNull(Stream.empty());
      } else {
        List<InsertAnchorNode> result = prose.getInserts(filter);
        retval = ObjectUtils.notNull(result.stream());
      }
      return retval;
    }
  
    public Stream<IPart> getPartsRecursively() {
      return Stream.concat(
          Stream.of(this),
          CollectionUtil.listOrEmpty(getParts()).stream()
              .flatMap(part -> part.getPartsRecursively()));
    }
  
    @NonNull
    public static Builder builder(@NonNull String name) {
      return new Builder(name);
    }
  
    public static class Builder {
      private String id;
      @NonNull
      private final String name;
      private URI namespace;
      private String clazz;
      private MarkupMultiline prose;
      private MarkupLine title;
      private final List<Property> props = new LinkedList<>();
      private final List<Link> links = new LinkedList<>();
      private final List<ControlPart> parts = new LinkedList<>();
  
      public Builder(@NonNull String name) {
        this.name = Objects.requireNonNull(name);
      }
  
      @SuppressWarnings("PMD.ShortMethodName")
      @NonNull
      public Builder id(@NonNull String value) {
        this.id = Objects.requireNonNull(value);
        return this;
      }
  
      @NonNull
     public Builder namespace(@NonNull URI value) {
       this.namespace = Objects.requireNonNull(value);
       return this;
     }
 
     @NonNull
     public Builder clazz(@NonNull String value) {
       this.clazz = Objects.requireNonNull(value);
       return this;
     }
 
     @NonNull
     public Builder title(@NonNull String markdown) {
       return title(MarkupLine.fromMarkdown(Objects.requireNonNull(markdown)));
     }
 
     @NonNull
     public Builder title(@NonNull MarkupLine value) {
       this.title = Objects.requireNonNull(value);
       return this;
     }
 
     @NonNull
     public Builder prose(@NonNull String markdown) {
       return prose(MarkupMultiline.fromMarkdown(Objects.requireNonNull(markdown)));
     }
 
     @NonNull
     public Builder prose(@NonNull MarkupMultiline value) {
       this.prose = Objects.requireNonNull(value);
       return this;
     }
 
     @NonNull
     public Builder prop(@NonNull Property value) {
       this.props.add(Objects.requireNonNull(value));
       return this;
     }
 
     @NonNull
     public Builder link(@NonNull Link value) {
       this.links.add(Objects.requireNonNull(value));
       return this;
     }
 
     @NonNull
     public Builder part(@NonNull ControlPart value) {
       this.parts.add(Objects.requireNonNull(value));
       return this;
     }
 
     @NonNull
     public ControlPart build() {
       ControlPart retval = new ControlPart();
 
       retval.setName(name);
 
       if (id != null) {
         retval.setId(id);
       }
       if (namespace != null) {
         retval.setNs(namespace);
       }
       if (clazz != null) {
         retval.setClazz(clazz);
       }
       if (prose != null) {
         retval.setProse(prose);
       }
       if (title != null) {
         retval.setTitle(title);
       }
       if (!props.isEmpty()) {
         retval.setProps(props);
       }
       if (!links.isEmpty()) {
         retval.setLinks(links);
       }
       if (!parts.isEmpty()) {
         retval.setParts(parts);
       }
       return retval;
     }
   }
 }