/*
 * Copyright Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags and
 * the COPYRIGHT.txt file distributed with this work.
 *
 * 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 org.teiid.translator.google;

import org.teiid.language.Command;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.DataNotAvailableException;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.UpdateExecution;
import org.teiid.translator.google.api.GoogleSpreadsheetConnection;
import org.teiid.translator.google.api.SpreadsheetOperationException;
import org.teiid.translator.google.api.metadata.SpreadsheetInfo;
import org.teiid.translator.google.api.metadata.Worksheet;
import org.teiid.translator.google.api.result.UpdateResult;

public abstract class AbstractSpreadsheetExecution implements UpdateExecution {
	protected GoogleSpreadsheetConnection connection;
	protected RuntimeMetadata metadata;
	protected ExecutionContext context;
	protected Command command;
	protected UpdateResult result;

	public AbstractSpreadsheetExecution(Command command, GoogleSpreadsheetConnection connection, ExecutionContext context,RuntimeMetadata metadata) {
		super();
		this.connection = connection;
		this.metadata = metadata;
		this.context = context;
		this.command = command;
	}

	@Override
	public void close() {
	}

	@Override
	public void cancel() throws TranslatorException {
	}

	@Override
	public int[] getUpdateCounts() throws DataNotAvailableException, TranslatorException {
		if (result.getExpectedNumberOfRows() != result.getActualNumberOfRows()) {
			if (result.getExpectedNumberOfRows() > result.getActualNumberOfRows()) {
				context.addWarning(new SpreadsheetOperationException(SpreadsheetExecutionFactory.UTIL.gs("partial_update", result.getExpectedNumberOfRows(), result.getActualNumberOfRows()))); //$NON-NLS-1$
			} else { 
				throw new SpreadsheetOperationException(SpreadsheetExecutionFactory.UTIL.gs("unexpected_updatecount", result.getExpectedNumberOfRows(), result.getActualNumberOfRows())); //$NON-NLS-1$
			}
		}
		return new int[]{result.getActualNumberOfRows()};
	}
    
	 void checkHeaders(String worksheetTitle) throws TranslatorException{
		SpreadsheetInfo info=connection.getSpreadsheetInfo();
		Worksheet worksheet=info.getWorksheetByName(worksheetTitle);
		if(worksheet==null){
			throw new SpreadsheetOperationException(SpreadsheetExecutionFactory.UTIL.gs("missing_worksheet", worksheetTitle)); //$NON-NLS-1$
		}
		if(!worksheet.isHeaderEnabled()){
			throw new TranslatorException(SpreadsheetExecutionFactory.UTIL.gs("headers_required")); //$NON-NLS-1$
		}
	}
	
	public GoogleSpreadsheetConnection getConnection(){
		return connection;
	}
}
