/*******************************************************************************
 * Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-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 hydrograph.ui.validators.impl;

import hydrograph.ui.datastructure.property.FixedWidthGridRow;
import hydrograph.ui.datastructure.property.JoinConfigProperty;

import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;


public class JoinConfigValidationRule implements IValidator{

	private String errorMessage;
	
	@Override
	public boolean validateMap(Object object, String propertyName,Map<String,List<FixedWidthGridRow>> inputSchemaMap) {
		Map<String, Object> propertyMap = (Map<String, Object>) object;
		if(propertyMap != null && !propertyMap.isEmpty()){ 
			return validate(propertyMap.get(propertyName), propertyName,inputSchemaMap,false);
		}
		return false;
	}


	@Override
	public boolean validate(Object object, String propertyName,Map<String,List<FixedWidthGridRow>> inputSchemaMap
			,boolean isJobImported){
		List<JoinConfigProperty> valueList = (List<JoinConfigProperty>)object;
		if(valueList == null || valueList.isEmpty() || valueList.size() < 2){
			errorMessage = propertyName + " must have atleast 2 port configuration";
			return false;
		}
		
		for (JoinConfigProperty joinConfigProperty : valueList) {
			if(StringUtils.isBlank(joinConfigProperty.getPortIndex())){
				errorMessage = "Port indexes are mandatary";
				return false;
			}
			if(StringUtils.isBlank(joinConfigProperty.getJoinKey())){
				errorMessage = "Join keys are mandatary";
				return false;
			}
			else if(joinConfigProperty.getRecordRequired() < 0 || joinConfigProperty.getRecordRequired() > 1){
				errorMessage = "Join Type should be either true or false ";
				return false;
			}
		}
		return true;
	}

	@Override
	public String getErrorMessage() {
		return errorMessage;
	}
}