/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.predictor;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.hisp.dhis.common.BaseIdentifiableObject;
import org.hisp.dhis.common.DxfNamespaces;
import org.hisp.dhis.common.IdentifiableObject;
import org.hisp.dhis.common.MetadataObject;
import org.hisp.dhis.schema.annotation.PropertyRange;

/**
 * @author Jim Grace
 */
@JacksonXmlRootElement(localName = "predictorGroup", namespace = DxfNamespaces.DXF_2_0)
public class PredictorGroup extends BaseIdentifiableObject implements MetadataObject {
  private String description;

  private Set<Predictor> members = new HashSet<>();

  // -------------------------------------------------------------------------
  // Constructors
  // -------------------------------------------------------------------------

  public PredictorGroup() {}

  public PredictorGroup(String name, String description, Set<Predictor> members) {
    this.name = name;
    this.description = description;
    this.members = members;
  }

  // -------------------------------------------------------------------------
  // Logic
  // -------------------------------------------------------------------------

  public void addPredictor(Predictor predictor) {
    members.add(predictor);
    predictor.getGroups().add(this);
  }

  public void removePredictor(Predictor predictor) {
    members.remove(predictor);
    predictor.getGroups().remove(this);
  }

  public void removeAllPredictors() {
    for (Predictor predictor : members) {
      predictor.getGroups().remove(this);
    }

    members.clear();
  }

  public List<Predictor> getSortedMembers() {
    List<Predictor> predictors = new ArrayList<>(members);

    predictors.sort(Comparator.comparing(IdentifiableObject::getName));

    return predictors;
  }

  // -------------------------------------------------------------------------
  // Getters and setters
  // -------------------------------------------------------------------------

  @JsonProperty
  @JacksonXmlProperty(namespace = DxfNamespaces.DXF_2_0)
  @PropertyRange(min = 2)
  public String getDescription() {
    return description;
  }

  public void setDescription(String description) {
    this.description = description;
  }

  @JsonProperty("predictors")
  @JsonSerialize(contentAs = BaseIdentifiableObject.class)
  @JacksonXmlElementWrapper(localName = "predictors", namespace = DxfNamespaces.DXF_2_0)
  @JacksonXmlProperty(localName = "predictor", namespace = DxfNamespaces.DXF_2_0)
  public Set<Predictor> getMembers() {
    return members;
  }

  public void setMembers(Set<Predictor> members) {
    this.members = members;
  }
}
