/*
 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.dsbenchmark.simpletx;


import com.google.common.base.Optional;
import com.google.common.util.concurrent.CheckedFuture;
import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
import org.opendaylight.dsbenchmark.DatastoreAbstractWriter;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.dsbenchmark.rev150105.StartTestInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.dsbenchmark.rev150105.TestExec;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.dsbenchmark.rev150105.test.exec.OuterList;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class SimpletxDomRead extends DatastoreAbstractWriter {
    private static final Logger LOG = (Logger) LoggerFactory.getLogger(SimpletxDomRead.class);
    private final DOMDataBroker domDataBroker;

    public SimpletxDomRead(DOMDataBroker domDataBroker, int outerListElem,
                           int innerListElem, long writesPerTx) {
        super(StartTestInput.Operation.DELETE, outerListElem, innerListElem, writesPerTx);
        this.domDataBroker = domDataBroker;
        LOG.info("Created simpleTxDomRead");

    }

    @Override
    public void createList() {
        LOG.info("SimpletxDomRead: creating data in the data store");
        // Dump the whole list into the data store in a single transaction
        // with <outerListElem> PUTs on the transaction
        SimpletxDomWrite dd = new SimpletxDomWrite(domDataBroker,
                StartTestInput.Operation.PUT,
                outerListElem,
                innerListElem,
                outerListElem);
        dd.createList();
        dd.executeList();
    }

    @Override
    public void executeList() {
        org.opendaylight.yangtools.yang.common.QName OL_ID = QName.create(OuterList.QNAME, "id");
        DOMDataReadOnlyTransaction tx = domDataBroker.newReadOnlyTransaction();

        for (long l = 0; l < outerListElem; l++) {
            NormalizedNode<?,?> ret = null;

            YangInstanceIdentifier yid = YangInstanceIdentifier.builder()
                    .node(TestExec.QNAME)
                    .node(OuterList.QNAME)
                    .nodeWithKey(OuterList.QNAME, OL_ID, l)
                    .build();
            Optional<NormalizedNode<?,?>> optionalDataObject;
            CheckedFuture<Optional<NormalizedNode<?,?>>, ReadFailedException> submitFuture = tx.read(LogicalDatastoreType.CONFIGURATION, yid);
            try {
                optionalDataObject = submitFuture.checkedGet();
                if (optionalDataObject != null && optionalDataObject.isPresent()) {
                    ret = optionalDataObject.get();
                    LOG.info("/n" + String.valueOf(ret));
                    txOk++;
                }
                /*if (optionalDataObject != null && optionalDataObject.isPresent()) {
                    ret = optionalDataObject.get();

                    String[] objectsArray = new String[ret.getInnerList().size()];

                    //LOG.info("innerList element: " + objectsArray );
                    for (InnerList innerList : ret.getInnerList()) {
                        if (objectsArray[innerList.getName()] != null) {
                            LOG.error("innerList: DUPLICATE name: {}, value: {}", innerList.getName(), innerList.getValue());
                        }
                        objectsArray[innerList.getName()] = innerList.getValue();
                        // LOG.info("innerList: name: {}, value: {}", innerList.getName(), innerList.getValue());
                    }
                    boolean foundAll = true;
                    for (int i = 0; i < ret.getInnerList().size(); i++) {
                        String itemStr = objectsArray[i];
                        if (!itemStr.contentEquals("Item-" + String.valueOf(l) + "-" + String.valueOf(i))) {
                            foundAll = false;
                            LOG.error("innerList: name: {}, value: {}", i, itemStr);
                            break;
                        }
                    }
                    txOk++;
                }*/ else {
                    txError++;
                    LOG.info("In the else part");
                }
            } catch (ReadFailedException e) {
                LOG.warn("failed to ....", e);
                txError++;
            }
        }
    }

}