/**
    * Copyright 2010 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.osedu.org/licenses/ECL-2.0
    *
    * 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.student.common.ui.server.mvc.dto;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.kuali.student.common.ui.client.mvc.DataModel;
  import org.kuali.student.common.ui.client.mvc.DataModelDefinition;
  import org.kuali.student.common.ui.client.validator.DataModelValidator;
  import org.kuali.student.core.assembly.data.ConstraintMetadata;
  import org.kuali.student.core.assembly.data.Data;
  import org.kuali.student.core.assembly.data.Metadata;
  import org.kuali.student.core.assembly.data.QueryPath;
  import org.kuali.student.core.assembly.data.Data.DataType;
  import org.kuali.student.core.assembly.data.Data.IntegerKey;
  import org.kuali.student.core.validation.dto.ValidationResultInfo;
  
  
  public class TestDataModel {
  
  	DataModelDefinition rootModelDefinition;
  	DataModelDefinition formatModelDefinition;
  	
  	@Before
  	public void setup(){
  		
  		//Create course properties
  		Metadata metaId = new Metadata();
  		metaId.setDataType(DataType.STRING);
  		ConstraintMetadata constraint = new ConstraintMetadata();
  		constraint.setMinLength(10);
  		constraint.setMaxLength(10);
  		metaId.getConstraints().add(constraint);
  
  		//Create format fields				
  		Metadata metaTitle = new Metadata();
  		metaTitle.setDataType(DataType.STRING);
  		metaTitle.getConstraints().add(constraint);
  		Metadata metaType = new Metadata();
  		metaType.setDataType(DataType.STRING);
  		
  		//Create format field properties
  		Map<String, Metadata> formatProperties;
  		formatProperties = new HashMap<String, Metadata>();					
  		formatProperties.put("title", metaTitle);		
  		formatProperties.put("type", metaType);
  		
  		//Create format metadata
  		Metadata metaFormat = new Metadata();
  		metaFormat.setProperties(formatProperties);
  		metaFormat.setDataType(DataType.DATA);
  		
  		//Create format list metadata
  		Metadata metaFormats = new Metadata();
  		Map<String, Metadata> formatListProperties = new HashMap<String, Metadata>();
  		formatListProperties.put("*", metaFormat);
  		metaFormats.setDataType(DataType.LIST);
  		metaFormats.setProperties(formatListProperties);
  		
  		//Create root metadata structure
  		Metadata metadataRoot = new Metadata();
  		Map<String, Metadata> rootProperties = new HashMap<String, Metadata>();
  		rootProperties.put("formats", metaFormats);						
  		rootProperties.put("id", metaId);
  		metadataRoot.setProperties(rootProperties);
  		metadataRoot.setDataType(DataType.DATA);
  	
  		rootModelDefinition = new DataModelDefinition();
  		rootModelDefinition.setMetadata(metadataRoot);
  		
  		formatModelDefinition = new DataModelDefinition();
  		formatModelDefinition.setMetadata(metaFormat);
  	}
  	
  	@Test
  	public void testQueryWildpath(){
  		DataModel dataModel = new DataModel();
  		dataModel.setRoot(new Data());
  		dataModel.setDefinition(rootModelDefinition);
 		
 		dataModel.set(QueryPath.parse("formats/0/title"), "Format 1");
 		dataModel.set(QueryPath.parse("formats/1/title"), "Format 2");
 		
 		Map<QueryPath, Object> values = dataModel.query("formats");	
 		Map<QueryPath, Object> formatValues = dataModel.query("formats/*");
 		
 		assertTrue(values.size()==1);
 		assertTrue(formatValues.size()==2);
 	}
 	
 	@Test
 	public void testDataModelValidator(){
 		DataModel dataModel = new DataModel();
 		List<ValidationResultInfo> validationResults;
 		DataModelValidator validator = new CustomDataModelValidator();
 		
 		//Validation test for full Data Model
 		dataModel.setRoot(new Data());
 		dataModel.setDefinition(rootModelDefinition);
 	
 		//Test invalid id
 		dataModel.set(QueryPath.parse("id"), "1234");
 		validationResults = validator.validate(dataModel);
 		assertEquals(1, validationResults.size());
 		assertEquals("id", validationResults.get(0).getElement());
 		
 		//Test valid id
 		dataModel.set(QueryPath.parse("id"), "0123456890");
 		validationResults = validator.validate(dataModel);		
 		assertEquals(0, validationResults.size());
 		
 		//Test invalid format title
 		dataModel.set(QueryPath.parse("formats/0/title"), "Format 1");
 		validationResults = validator.validate(dataModel);		
 		assertEquals(1, validationResults.size());
 		//validation path should begin from full data model
 		assertEquals("formats/0/title", validationResults.get(0).getElement());		
 		
 		//Validation test for partial data model (i.e. child data element)
 		Data data = dataModel.getRoot();
 		data = data.get("formats");
 		data = data.get(new IntegerKey(0));		
 		dataModel.setRoot(data);
 		dataModel.setDefinition(formatModelDefinition);
 		dataModel.setParentPath("formats/0");
 		
 		validationResults = validator.validate(dataModel);		
 		assertEquals(1, validationResults.size());
 		//validation path should be relative to the child element 
 		assertEquals("title", validationResults.get(0).getElement());		
 	}
 
 	/**
 	 * Extending DataModelValidator to override call to Application.getApplicationContext()
 	 * for messages, since ApplicationContext does a GWT.create() which can't be called from
 	 * JUnit tests.
 	 *
 	 */
 	public class CustomDataModelValidator extends DataModelValidator {
 		@Override
 		protected String getValidationMessage(String msgKey) {
 			return msgKey;
 		}		
 	}
 }