/*******************************************************************************
 * 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 java.util.LinkedList;
import java.util.List;
import java.util.Map;

import hydrograph.ui.datastructure.property.FixedWidthGridRow;

public class KeyFieldsValidationRule 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){
		if (object != null) {
			List<String> tmpList = new LinkedList<>();
			List<String> keyFieldList = (List<String>) object;
			if (keyFieldList.size() != 0) {
				if(inputSchemaMap != null){
					for(java.util.Map.Entry<String, List<FixedWidthGridRow>> entry : inputSchemaMap.entrySet()){
						List<FixedWidthGridRow> gridRowList = entry.getValue();
						gridRowList.forEach(gridRow -> tmpList.add(gridRow.getFieldName()));
					}
					if(keyFieldList.stream().anyMatch(gridRow -> !tmpList.contains(gridRow))){
						return false;
					}
				}
				return true;
			}
		}
		errorMessage = propertyName.replace("_"," ") + " are mandatory";
		return false;
	}

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

}