package org.hisp.dhis.oust.action;

/*
 * Copyright (c) 2004-2016, 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.
 */

import com.opensymphony.xwork2.Action;
import org.hisp.dhis.organisationunit.OrganisationUnit;
import org.hisp.dhis.organisationunit.OrganisationUnitService;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author Torgeir Lorange Ostby
 * @version $Id: ExpandSubtreeAction.java 2869 2007-02-20 14:26:09Z andegje $
 */
public class ExpandSubtreeAction
    implements Action
{
    // -------------------------------------------------------------------------
    // Dependencies
    // -------------------------------------------------------------------------

    private OrganisationUnitService organisationUnitService;

    public void setOrganisationUnitService( OrganisationUnitService organisationUnitService )
    {
        this.organisationUnitService = organisationUnitService;
    }

    // -------------------------------------------------------------------------
    // Input
    // -------------------------------------------------------------------------

    private String parentId;

    public void setParentId( String organisationUnitId )
    {
        this.parentId = organisationUnitId;
    }

    // -------------------------------------------------------------------------
    // Output
    // -------------------------------------------------------------------------

    private List<OrganisationUnit> parents = new ArrayList<>();

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

    private Map<OrganisationUnit, List<OrganisationUnit>> childrenMap = new HashMap<>();

    public Map<OrganisationUnit, List<OrganisationUnit>> getChildrenMap()
    {
        return childrenMap;
    }

    // -------------------------------------------------------------------------
    // Action implementation
    // -------------------------------------------------------------------------

    @Override
    public String execute()
        throws Exception
    {
        OrganisationUnit parent = organisationUnitService.getOrganisationUnit( parentId );

        if ( parent == null )
        {
            throw new RuntimeException( "OrganisationUnit with id " + parentId + " doesn't exist" );
        }

        addParentWithChildren( parent );

        return SUCCESS;
    }

    private void addParentWithChildren( OrganisationUnit parent )
        throws Exception
    {
        List<OrganisationUnit> children = parent.getSortedChildren();

        parents.add( parent );

        childrenMap.put( parent, children );
    }
}

@@ -3800,95 +3800,20 @@
     
-throw new RuntimeException( %22OrganisationUnit with id %22 + parentId + %22 doesn't exist%22 )
+return INPUT
 ;%0D%0A 

return INPUT for invalid parentId in ExpandSubTreeAction (#73)