/*
 * 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.organisationunit;

import com.google.common.base.MoreObjects;
import java.util.HashSet;
import java.util.Set;
import org.hisp.dhis.common.SortProperty;

/**
 * @author Lars Helge Overland
 */
public class OrganisationUnitQueryParams {
  /** Query string to match like name and exactly on UID and code. */
  private String query;

  /** The parent organisation units for which to include all children, inclusive. */
  private Set<OrganisationUnit> parents = new HashSet<>();

  /** The groups for which members to include, inclusive. */
  private Set<OrganisationUnitGroup> groups = new HashSet<>();

  /** The levels of organisation units to include. */
  private Set<Integer> levels = new HashSet<>();

  /**
   * The maximum number of organisation unit levels to include, relative to the real root of the
   * hierarchy.
   */
  private Integer maxLevels;

  /** The first result to include. */
  private Integer first;

  /** The max number of results to include. */
  private Integer max;

  /** Whether to fetch children eagerly. */
  private boolean fetchChildren;

  /** Property used for sorting, default value is {@link SortProperty#NAME}. */
  private SortProperty orderBy = SortProperty.NAME;

  // -------------------------------------------------------------------------
  // Constructor
  // -------------------------------------------------------------------------

  public OrganisationUnitQueryParams() {}

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

  public boolean hasQuery() {
    return query != null && !query.isEmpty();
  }

  public boolean hasParents() {
    return parents != null && !parents.isEmpty();
  }

  public boolean hasGroups() {
    return groups != null && !groups.isEmpty();
  }

  public boolean hasLevels() {
    return levels != null && !levels.isEmpty();
  }

  public void setLevel(Integer level) {
    if (level != null) {
      levels.add(level);
    }
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("query", query)
        .add("parents", parents)
        .add("groups", groups)
        .add("levels", levels)
        .add("maxLevels", maxLevels)
        .add("first", first)
        .add("max", max)
        .toString();
  }

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

  public String getQuery() {
    return query;
  }

  public void setQuery(String query) {
    this.query = query;
  }

  public Set<OrganisationUnit> getParents() {
    return parents;
  }

  public void setParents(Set<OrganisationUnit> parents) {
    this.parents = parents;
  }

  public Set<OrganisationUnitGroup> getGroups() {
    return groups;
  }

  public void setGroups(Set<OrganisationUnitGroup> groups) {
    this.groups = groups;
  }

  public Set<Integer> getLevels() {
    return levels;
  }

  public void setLevels(Set<Integer> levels) {
    this.levels = levels;
  }

  public Integer getMaxLevels() {
    return maxLevels;
  }

  public void setMaxLevels(Integer maxLevels) {
    this.maxLevels = maxLevels;
  }

  public Integer getFirst() {
    return first;
  }

  public void setFirst(Integer first) {
    this.first = first;
  }

  public Integer getMax() {
    return max;
  }

  public void setMax(Integer max) {
    this.max = max;
  }

  public boolean isFetchChildren() {
    return fetchChildren;
  }

  public void setFetchChildren(boolean fetchChildren) {
    this.fetchChildren = fetchChildren;
  }

  public SortProperty getOrderBy() {
    return orderBy;
  }

  public void setOrderBy(SortProperty orderBy) {
    if (orderBy != null) {
      this.orderBy = orderBy;
    }
  }
}
