/**
    * 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.kew.rule;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.kuali.rice.kew.api.identity.Id;
  import org.kuali.rice.kew.api.identity.PrincipalId;
  import org.kuali.rice.kew.api.rule.RoleName;
  import org.kuali.rice.kew.engine.RouteContext;
  import org.kuali.rice.kew.routeheader.DocumentContent;
  
  
  /**
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class TestRuleAttribute implements WorkflowRuleAttribute, RoleAttribute, WorkflowAttributeXmlValidator {
  
  	private static final long serialVersionUID = -220808609566348066L;
  
  	public static boolean VALID_CLIENT_ROUTING_DATA_CALLED = false;
  	
  	private static Map<String, Map<String, List<String>>> roles = new HashMap<String, Map<String, List<String>>>();
  	private boolean required;
  		
      public boolean isMatch(DocumentContent documentContent, List ruleExtensions) {
          return true;
      }
      
      public List getRoleNames() {
          List roleNames = new ArrayList();
          for (String roleName : roles.keySet()) {
              roleNames.add(new RoleName(getClass().getName(), roleName, roleName));
          }
      	return roleNames;
      }
  
      public List getRuleRows() {
      	return new ArrayList();
      }
  
      public List getRoutingDataRows() {
      	return new ArrayList();
      }
  
      public String getDocContent() {
      	return "<testRuleAttributeContent/>";
      }
  
      public List getRuleExtensionValues() {
      	return new ArrayList();
      }
  
      public List validateRoutingData(Map paramMap) {
      	return new ArrayList();
      }
      
      public String getAttributeLabel(){
          return "";
      }
  
      public List validateRuleData(Map paramMap) {
      	return new ArrayList();
      }
  
      public void setRequired(boolean required) {
      	this.required = required;
      }
  
      public boolean isRequired() {
          return required;
      }
  
  	public List<String> getQualifiedRoleNames(String roleName, DocumentContent documentContent) {
  		List<String> qualifiedRoleNames = new ArrayList<String>();
  		Map<String, List<String>> qualifiedRoles = roles.get(roleName);
  		if (qualifiedRoles != null) {
  			qualifiedRoleNames.addAll(qualifiedRoles.keySet());
  		} else {
  			throw new IllegalArgumentException("TestRuleAttribute does not support the given role " + roleName);
  		}
  		return qualifiedRoleNames;
  	}
 
 	public ResolvedQualifiedRole resolveQualifiedRole(RouteContext routeContext, String roleName, String qualifiedRole) {
 		ResolvedQualifiedRole resolved = new ResolvedQualifiedRole();
 		Map<String, List<String>> qualifiedRoles = (Map<String, List<String>>)roles.get(roleName);
 		if (qualifiedRoles != null) {
 			List<String> recipients = (List<String>)qualifiedRoles.get(qualifiedRole);
 			if (recipients != null) {
 				resolved.setQualifiedRoleLabel(qualifiedRole);
 				resolved.setRecipients(convertPrincipalIdList(recipients));
 			} else {
 				throw new IllegalArgumentException("TestRuleAttribute does not support the qualified role " + qualifiedRole);
 			}
 		} else {
 			throw new IllegalArgumentException("TestRuleAttribute does not support the given role " + roleName);
 		}
 		return resolved;
 	}
 	
 	private static List<Id> convertPrincipalIdList(List<String> principalIds) {
 		List<Id> idList = new ArrayList<Id>();
 		for (String principalId : principalIds) {
 			idList.add(new PrincipalId(principalId));
 		}
 		return idList;
 	}
 	
 	public static void addRole(String roleName) {
 		roles.put(roleName, new HashMap<String, List<String>>());
 	}
 	
 	public static void removeRole(String roleName) {
 		roles.remove(roleName);
 	}
 	
 	public static Map<String, List<String>> getRole(String roleName) {
 		return (Map<String, List<String>>)roles.get(roleName);
 	}
 	
 	public static void addQualifiedRole(String roleName, String qualifiedRoleName) {
 		getRole(roleName).put(qualifiedRoleName, new ArrayList<String>());
 	}
 	
 	public static void removeQualifiedRole(String roleName, String qualifiedRoleName) {
 		getRole(roleName).remove(qualifiedRoleName);
 	}
 	
 	/**
 	 * All you need to call now.  Simplies the previous 3 step process of adding role, qual role then recipients
 	 * 
 	 * @param roleName
 	 * @param qualifiedRoleName
 	 * @param recipients
 	 */
 	public static void setRecipientPrincipalIds(String roleName, String qualifiedRoleName, List<String> principalIds) {
 		Map<String, List<String>> qualifiedRoles = getRole(roleName);
 		if (qualifiedRoles == null) {
 		    addRole(roleName);
 		}
 		if (qualifiedRoles == null) {
 		    addRole(roleName);
 		    addQualifiedRole(roleName, qualifiedRoleName);
 		    qualifiedRoles = getRole(roleName);
 		}
 		qualifiedRoles.put(qualifiedRoleName, principalIds);
 	}
 	
 	public static List<String> getRecipientPrincipalIds(String roleName, String qualifiedRoleName) {
 		Map<String, List<String>> qualifiedRoles = getRole(roleName);
 		return (List<String>)qualifiedRoles.get(qualifiedRoleName);
 	}
 
 	public List<WorkflowAttributeValidationError> validateClientRoutingData() {
 		return new ArrayList<WorkflowAttributeValidationError>();
 	}
 
 }