package org.kuali.rice.krms.impl.repository

 import java.util.Map;

 import java.util.Map.Entry;

 import org.kuali.rice.kns.bo.PersistableBusinessObjectBase

 import org.kuali.rice.krms.api.repository.rule.RuleDefinition;

 import org.kuali.rice.krms.api.repository.rule.RuleDefinitionContract;

 public class RuleBo extends PersistableBusinessObjectBase implements RuleDefinitionContract {

         def String id

         def String namespace

         def String name

         def String typeId

         def String propId

         def PropositionBo proposition

         def List<ActionBo> actions        

         def Set<RuleAttributeBo> attributeBos

     //def List<PropositionBo> allChildPropositions

    public PropositionBo getProposition(){

            return proposition

    }

         public Map<String, String> getAttributes() {

                 HashMap<String, String> attributes = new HashMap<String, String>();

                 for (attr in attributeBos) {

                         attributes.put( attr.attributeDefinition.name, attr.value )

                 }

                 return attributes;

         }

         /**

         * Converts a mutable bo to it's immutable counterpart

         * @param bo the mutable business object

         * @return the immutable object

         */

    static RuleDefinition to(RuleBo bo) {

            if (bo == null) { return null }

            return org.kuali.rice.krms.api.repository.rule.RuleDefinition.Builder.create(bo).build()

    }

    /**

         * Converts a immutable object to it's mutable bo counterpart

         * @param im immutable object

         * @return the mutable bo

         */

    static RuleBo from(RuleDefinition im) {

            if (im == null) { return null }

            RuleBo bo = new RuleBo()

            bo.id = im.id

            bo.namespace = im.namespace

            bo.name = im.name

            bo.typeId = im.typeId

            bo.propId = im.propId

            bo.proposition = PropositionBo.from(im.proposition)

            bo.versionNumber = im.versionNumber

            bo.actions = new ArrayList<ActionBo>()

            for (action in im.actions){

                    bo.actions.add( ActionBo.from(action) )

            }

            // build the set of agenda attribute BOs

            Set<RuleAttributeBo> attrs = new HashSet<RuleAttributeBo>();

            // for each converted pair, build an AgendaAttributeBo and add it to the set

            RuleAttributeBo attributeBo;

            for (Entry<String,String> entry  : im.getAttributes().entrySet()){

                    KrmsAttributeDefinitionBo attrDefBo = KrmsRepositoryServiceLocator

                                    .getKrmsAttributeDefinitionService()

                                    .getKrmsAttributeBo(entry.getKey(), im.getNamespace());

                    attributeBo = new ActionAttributeBo();

                    attributeBo.setActionId( im.getId() );

                    attributeBo.setAttributeDefinitionId( attrDefBo.getId() );

                    attributeBo.setValue( entry.getValue() );

                    attributeBo.setAttributeDefinition( attrDefBo );

                    attrs.add( attributeBo );

            }

            bo.setAttributeBos(attrs);

            return bo

    }

 }