/**
    * Copyright 2005-2011 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.krms.impl.ui;
  
  import org.kuali.rice.core.api.util.tree.Node;
  import org.kuali.rice.core.api.util.tree.Tree;
  import org.kuali.rice.krad.bo.PersistableBusinessObjectBase;
  import org.kuali.rice.krms.impl.repository.ActionBo;
  import org.kuali.rice.krms.impl.repository.AgendaBo;
  import org.kuali.rice.krms.impl.repository.AgendaItemBo;
  import org.kuali.rice.krms.impl.repository.ContextBo;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * synthetic (not directly persisted) BO for the KRMS agenda editor
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class AgendaEditor extends PersistableBusinessObjectBase {
  	
  	private static final long serialVersionUID = 1L;
  	
  	private ContextBo context;
      private String namespace;
  	private AgendaBo agenda;
      private String contextName;
  	private AgendaItemBo agendaItemLine;
      private ActionBo agendaItemLineRuleAction;
      private String selectedAgendaItemId;
      private String cutAgendaItemId;
      private String selectedPropositionId;
      private String cutPropositionId;
      private String copyRuleName;
      private String oldContextId;
      private Map<String, String> customAttributesMap = new HashMap<String, String>();
      private Map<String, String> customRuleAttributesMap = new HashMap<String, String>();
      private Map<String, String> customRuleActionAttributesMap = new HashMap<String, String>();
  
      public AgendaEditor() {
          agenda = new AgendaBo();
          // ToDo: Determine proper default values of agenda's typeId
          agenda.setTypeId("");
          agendaItemLine = new AgendaItemBo();
          agendaItemLineRuleAction = new ActionBo();
      }
  
  	private void addAgendaItemAndChildren(Node<AgendaTreeNode, String> parent, AgendaItemBo agendaItem) {
  	    Node<AgendaTreeNode, String> child = new Node<AgendaTreeNode, String>();
  	    child.setNodeLabel(agendaItem.getRuleText());
  	    child.setNodeType("agendaNode ruleNode");
  	    child.setData(new AgendaTreeRuleNode(agendaItem));
  	    parent.getChildren().add(child);
  	    
  	    // deal with peer nodes:
  	    if (agendaItem.getAlways() != null) addAgendaItemAndChildren(parent, agendaItem.getAlways());
  	    
  	    // deal with child nodes:
  	    if (agendaItem.getWhenTrue() != null) {
  	        Node<AgendaTreeNode, String> whenTrue = new Node<AgendaTreeNode, String>();
  	        whenTrue.setNodeLabel("When TRUE");
  	        whenTrue.setNodeType("agendaNode logicNode whenTrueNode");
  	        whenTrue.setData(new AgendaTreeLogicNode());
  	        child.getChildren().add(whenTrue);
  	        
  	        addAgendaItemAndChildren(whenTrue, agendaItem.getWhenTrue());
  	    }
          if (agendaItem.getWhenFalse() != null) {
              Node<AgendaTreeNode, String> whenFalse = new Node<AgendaTreeNode, String>();
              whenFalse.setNodeLabel("When FALSE");
              whenFalse.setNodeType("agendaNode logicNode whenFalseNode");
              whenFalse.setData(new AgendaTreeLogicNode());
              child.getChildren().add(whenFalse);
              
              addAgendaItemAndChildren(whenFalse, agendaItem.getWhenFalse());
          }
  	}
  	
      public Tree<? extends AgendaTreeNode, String> getAgendaRuleTree() {
          Tree<AgendaTreeNode, String> agendaTree = new Tree<AgendaTreeNode, String>();
  
          Node<AgendaTreeNode, String> rootNode = new Node<AgendaTreeNode, String>();
          agendaTree.setRootElement(rootNode);
         
         if (agenda != null) {
             String firstItemId = agenda.getFirstItemId();
             List<AgendaItemBo> items = agenda.getItems();
             AgendaItemBo firstItem = null;
 
             if (items != null && firstItemId != null) {
                 for (AgendaItemBo item : items) {
                     if (firstItemId.equals(item.getId())) {
                         firstItem = item;
                         break;
                     }
                 }
             }
 
             if (firstItem != null) addAgendaItemAndChildren(rootNode, firstItem);
         } 
         
         return agendaTree;
     }	
 	
 	/**
      * @return the agendaItemLine
      */
     public AgendaItemBo getAgendaItemLine() {
         return this.agendaItemLine;
     }
 
     /**
      * @param agendaItemLine the agendaItemLine to set
      */
     public void setAgendaItemLine(AgendaItemBo agendaItemLine) {
         this.agendaItemLine = agendaItemLine;
     }
 
     public ActionBo getAgendaItemLineRuleAction() {
         return agendaItemLineRuleAction;
     }
 
     public void setAgendaItemLineRuleAction(ActionBo actionBo) {
         this.agendaItemLineRuleAction = actionBo;
     }
 
     /**
      * @return the selectedAgendaItemId
      */
     public String getSelectedAgendaItemId() {
         return this.selectedAgendaItemId;
     }
 
     /**
      * @param selectedAgendaItemId the selectedAgendaItemId to set
      */
     public void setSelectedAgendaItemId(String selectedAgendaItemId) {
         this.selectedAgendaItemId = selectedAgendaItemId;
     }
 
     /**
      * @return the cutAgendaItemId
      */
     public String getCutAgendaItemId() {
         return this.cutAgendaItemId;
     }
 
     /**
      * @param cutAgendaItemId the cutAgendaItemId to set
      */
     public void setCutAgendaItemId(String cutAgendaItemId) {
         this.cutAgendaItemId = cutAgendaItemId;
     }
 
     /**
 	 * @return the context
 	 */
 	public ContextBo getContext() {
 		return this.context;
 	}
 
 	/**
 	 * @param context the context to set
 	 */
 	public void setContext(ContextBo context) {
 		this.context = context;
 	}
 
 	/**
 	 * @return the agenda
 	 */
 	public AgendaBo getAgenda() {
 		return this.agenda;
 	}
 
 	/**
 	 * @param agenda the agenda to set
 	 */
 	public void setAgenda(AgendaBo agenda) {
 		this.agenda = agenda;
 	}
 
     public Map<String, String> getCustomAttributesMap() {
         return customAttributesMap;
     }
 
     public void setCustomAttributesMap(Map<String, String> customAttributesMap) {
         this.customAttributesMap = customAttributesMap;
     }
 
     public Map<String, String> getCustomRuleAttributesMap() {
         return customRuleAttributesMap;
     }
 
     public void setCustomRuleAttributesMap(Map<String, String> customRuleAttributesMap) {
         this.customRuleAttributesMap = customRuleAttributesMap;
     }
 
     public Map<String, String> getCustomRuleActionAttributesMap() {
         return customRuleActionAttributesMap;
     }
 
     public void setCustomRuleActionAttributesMap(Map<String, String> customRuleActionAttributesMap) {
         this.customRuleActionAttributesMap = customRuleActionAttributesMap;
     }
 
     /**
      * @param copyRuleName the rule name from which to copy
      */
     public void setCopyRuleName(String copyRuleName) {
         this.copyRuleName = copyRuleName;
     }
 
     /**
      * @return the rule name from which to copy
      */
     public String getCopyRuleName() {
         return copyRuleName;
     }
 
     /**
      * @param oldContextId the contextId that the agenda currently has (i.e. before the next context change)
      */
     public void setOldContextId(String oldContextId) {
         this.oldContextId = oldContextId;
     }
 
     /**
      * @return the contextId that the agenda had before the context change
      */
     public String getOldContextId() {
         return oldContextId;
     }
 
     /**
      * @return the selectedPropositionId
      */
     public String getSelectedPropositionId() {
         return this.selectedPropositionId;
     }
 
     /**
      * @param selectedPropositionId the selectedPropositionId to set
      */
     public void setSelectedPropositionId(String selectedPropositionId) {
         this.selectedPropositionId = selectedPropositionId;
     }
 
 
     /**
      * @return the cutPropositionId
      */
     public String getCutPropositionId() {
         return cutPropositionId;
     }
 
     public String getContextName() {
         return contextName;
     }
 
     public void setContextName(String contextName) {
         this.contextName = contextName;
     }
 
     public String getNamespace() {
         return namespace;
     }
 
     public void setNamespace(String namespace) {
         this.namespace = namespace;
     }
 
     /**
      * @param cutPropositionId the cutPropositionId to set
      */
     public void setCutPropositionId(String cutPropositionId) {
         this.cutPropositionId = cutPropositionId;
     }
 
     // Need to override this method since the actual persistable BO is wrapped inside dataObject.
     @Override
     public void refreshNonUpdateableReferences() {
         getPersistenceService().refreshAllNonUpdatingReferences(this.getAgenda());
     }
 
 }