/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.kernel.impl.store.format;

import static org.neo4j.io.pagecache.context.CursorContext.NULL_CONTEXT;
import static org.neo4j.kernel.impl.store.NoStoreHeader.NO_STORE_HEADER;

import java.util.Arrays;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.RepeatedTest;
import org.junit.jupiter.api.extension.ExtendWith;
import org.neo4j.configuration.GraphDatabaseSettings;
import org.neo4j.internal.id.BatchingIdSequence;
import org.neo4j.internal.id.IdSequence;
import org.neo4j.kernel.impl.store.IntStoreHeader;
import org.neo4j.kernel.impl.store.record.DynamicRecord;
import org.neo4j.kernel.impl.store.record.LabelTokenRecord;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.store.record.PropertyKeyTokenRecord;
import org.neo4j.kernel.impl.store.record.PropertyRecord;
import org.neo4j.kernel.impl.store.record.RelationshipGroupRecord;
import org.neo4j.kernel.impl.store.record.RelationshipRecord;
import org.neo4j.kernel.impl.store.record.RelationshipTypeTokenRecord;
import org.neo4j.test.RandomSupport;
import org.neo4j.test.extension.Inject;
import org.neo4j.test.extension.RandomExtension;

@ExtendWith(RandomExtension.class)
public abstract class AbstractRecordCloningTest {
    @Inject
    private RandomSupport random;

    private RecordKeys keys;
    private IdSequence idSequence;
    private RecordGenerators.Generator<NodeRecord> nodes;
    private RecordGenerators.Generator<DynamicRecord> dynamics;
    private RecordGenerators.Generator<LabelTokenRecord> labelTokens;
    private RecordGenerators.Generator<PropertyRecord> properties;
    private RecordGenerators.Generator<PropertyKeyTokenRecord> propertyKeyTokens;
    private RecordGenerators.Generator<RelationshipRecord> relationships;
    private RecordGenerators.Generator<RelationshipGroupRecord> relationshipGroups;
    private RecordGenerators.Generator<RelationshipTypeTokenRecord> relationshipTypeTokens;
    private RecordFormat<NodeRecord> nodeFormat;
    private RecordFormat<DynamicRecord> dynamicFormat;
    private RecordFormat<LabelTokenRecord> labelTokenFormat;
    private RecordFormat<PropertyRecord> propertyFormat;
    private RecordFormat<PropertyKeyTokenRecord> propertyKeyTokenFormat;
    private RecordFormat<RelationshipRecord> relationshipFormat;
    private RecordFormat<RelationshipGroupRecord> relationshipGroupFormat;
    private RecordFormat<RelationshipTypeTokenRecord> relationshipTypeTokenFormat;
    private int nodeRecordSize;
    private int dynamicRecordSize;
    private int labelTokenRecordSize;
    private int propertyRecordSize;
    private int propertyKeyTokenRecordSize;
    private int relationshipRecordSize;
    private int relationshipGroupRecordSize;
    private int relationshipTypeTokenRecordSize;

    protected abstract RecordFormats formats();

    protected abstract int entityBits();

    protected abstract int propertyBits();

    @BeforeEach
    void setUp() {
        RecordFormats formats = formats();
        RecordGenerators generators =
                new LimitedRecordGenerators(random.randomValues(), entityBits(), propertyBits(), 40, 16, -1, formats);
        keys = FullyCoveringRecordKeys.INSTANCE;
        idSequence = new BatchingIdSequence(1);
        nodes = generators.node();
        dynamics = generators.dynamic();
        labelTokens = generators.labelToken();
        properties = generators.property();
        propertyKeyTokens = generators.propertyKeyToken();
        relationships = generators.relationship();
        relationshipGroups = generators.relationshipGroup();
        relationshipTypeTokens = generators.relationshipTypeToken();

        dynamicFormat = formats.dynamic();
        labelTokenFormat = formats.labelToken();
        nodeFormat = formats.node();
        propertyFormat = formats.property();
        propertyKeyTokenFormat = formats.propertyKeyToken();
        relationshipFormat = formats.relationship();
        relationshipGroupFormat = formats.relationshipGroup();
        relationshipTypeTokenFormat = formats.relationshipTypeToken();

        dynamicRecordSize = dynamicFormat.getRecordSize(new IntStoreHeader(GraphDatabaseSettings.DEFAULT_BLOCK_SIZE));
        labelTokenRecordSize = labelTokenFormat.getRecordSize(NO_STORE_HEADER);
        nodeRecordSize = nodeFormat.getRecordSize(NO_STORE_HEADER);
        propertyRecordSize = propertyFormat.getRecordSize(NO_STORE_HEADER);
        propertyKeyTokenRecordSize = propertyKeyTokenFormat.getRecordSize(NO_STORE_HEADER);
        relationshipRecordSize = relationshipFormat.getRecordSize(NO_STORE_HEADER);
        relationshipGroupRecordSize = relationshipGroupFormat.getRecordSize(new IntStoreHeader(50));
        relationshipTypeTokenRecordSize = relationshipTypeTokenFormat.getRecordSize(NO_STORE_HEADER);
    }

    @RepeatedTest(1000)
    void plainDynamicClone() {
        DynamicRecord dynamicRecord = getDynamicRecord();
        keys.dynamic().assertRecordsEquals(dynamicRecord, new DynamicRecord(dynamicRecord));
    }

    @RepeatedTest(1000)
    void preparedDynamicClone() {
        DynamicRecord dynamicRecord = getDynamicRecord();
        dynamicFormat.prepare(dynamicRecord, dynamicRecordSize, idSequence, NULL_CONTEXT);
        keys.dynamic().assertRecordsEquals(dynamicRecord, new DynamicRecord(dynamicRecord));
    }

    @RepeatedTest(1000)
    void plainLabelTokenClone() {
        LabelTokenRecord labelTokenRecord = getLabelTokenRecord();
        keys.labelToken().assertRecordsEquals(labelTokenRecord, new LabelTokenRecord(labelTokenRecord));
    }

    @RepeatedTest(1000)
    void preparedLabelTokenClone() {
        LabelTokenRecord labelTokenRecord = getLabelTokenRecord();
        labelTokenFormat.prepare(labelTokenRecord, labelTokenRecordSize, idSequence, NULL_CONTEXT);
        keys.labelToken().assertRecordsEquals(labelTokenRecord, new LabelTokenRecord(labelTokenRecord));
    }

    @RepeatedTest(1000)
    void plainNodeClone() {
        NodeRecord nodeRecord = getNodeRecord();
        keys.node().assertRecordsEquals(nodeRecord, new NodeRecord(nodeRecord));
    }

    @RepeatedTest(1000)
    void preparedNodeClone() {
        NodeRecord nodeRecord = getNodeRecord();
        nodeFormat.prepare(nodeRecord, nodeRecordSize, idSequence, NULL_CONTEXT);
        keys.node().assertRecordsEquals(nodeRecord, new NodeRecord(nodeRecord));
    }

    @RepeatedTest(1000)
    void plainNodeWithDynamicLabelsClone() {
        NodeRecord nodeRecord = getNodeRecord();
        nodeRecord.setLabelField(12, Arrays.asList(getDynamicRecord(), getDynamicRecord()));
        keys.node().assertRecordsEquals(nodeRecord, new NodeRecord(nodeRecord));
    }

    @RepeatedTest(1000)
    void preparedNodeWithDynamicLabelsClone() {
        NodeRecord nodeRecord = getNodeRecord();
        nodeRecord.setLabelField(12, Arrays.asList(getDynamicRecord(), getDynamicRecord()));
        nodeFormat.prepare(nodeRecord, nodeRecordSize, idSequence, NULL_CONTEXT);
        keys.node().assertRecordsEquals(nodeRecord, new NodeRecord(nodeRecord));
    }

    @RepeatedTest(1000)
    void plainPropertyClone() {
        PropertyRecord propertyRecord = getPropertyRecord();
        keys.property().assertRecordsEquals(propertyRecord, new PropertyRecord(propertyRecord));
    }

    @RepeatedTest(1000)
    void preparedPropertyClone() {
        PropertyRecord propertyRecord = getPropertyRecord();
        propertyFormat.prepare(propertyRecord, propertyRecordSize, idSequence, NULL_CONTEXT);
        keys.property().assertRecordsEquals(propertyRecord, new PropertyRecord(propertyRecord));
    }

    @RepeatedTest(1000)
    void plainPropertyKeyTokenClone() {
        PropertyKeyTokenRecord propertyKeyTokenRecord = getPropertyKeyTokenRecord();
        keys.propertyKeyToken()
                .assertRecordsEquals(propertyKeyTokenRecord, new PropertyKeyTokenRecord(propertyKeyTokenRecord));
    }

    @RepeatedTest(1000)
    void preparedPropertyKeyTokenClone() {
        PropertyKeyTokenRecord propertyKeyTokenRecord = getPropertyKeyTokenRecord();
        propertyKeyTokenFormat.prepare(propertyKeyTokenRecord, propertyKeyTokenRecordSize, idSequence, NULL_CONTEXT);
        keys.propertyKeyToken()
                .assertRecordsEquals(propertyKeyTokenRecord, new PropertyKeyTokenRecord(propertyKeyTokenRecord));
    }

    @RepeatedTest(1000)
    void plainRelationshipClone() {
        RelationshipRecord relationshipRecord = getRelationshipRecord();
        keys.relationship().assertRecordsEquals(relationshipRecord, new RelationshipRecord(relationshipRecord));
    }

    @RepeatedTest(1000)
    void preparedRelationshipClone() {
        RelationshipRecord relationshipRecord = getRelationshipRecord();
        relationshipFormat.prepare(relationshipRecord, relationshipRecordSize, idSequence, NULL_CONTEXT);
        keys.relationship().assertRecordsEquals(relationshipRecord, new RelationshipRecord(relationshipRecord));
    }

    @RepeatedTest(1000)
    void plainRelationshipGroupClone() {
        RelationshipGroupRecord relationshipGroupRecord = getRelationshipGroupRecord();
        keys.relationshipGroup()
                .assertRecordsEquals(relationshipGroupRecord, new RelationshipGroupRecord(relationshipGroupRecord));
    }

    @RepeatedTest(1000)
    void preparedRelationshipGroupClone() {
        RelationshipGroupRecord relationshipGroupRecord = getRelationshipGroupRecord();
        relationshipGroupFormat.prepare(relationshipGroupRecord, relationshipGroupRecordSize, idSequence, NULL_CONTEXT);
        keys.relationshipGroup()
                .assertRecordsEquals(relationshipGroupRecord, new RelationshipGroupRecord(relationshipGroupRecord));
    }

    @RepeatedTest(1000)
    void plainRelationshipTypeTokenClone() {
        RelationshipTypeTokenRecord relationshipTypeTokenRecord = getRelationshipTypeTokenRecord();
        keys.relationshipTypeToken()
                .assertRecordsEquals(
                        relationshipTypeTokenRecord, new RelationshipTypeTokenRecord(relationshipTypeTokenRecord));
    }

    @RepeatedTest(1000)
    void preparedRelationshipTypeTokenClone() {
        RelationshipTypeTokenRecord relationshipTypeTokenRecord = getRelationshipTypeTokenRecord();
        relationshipTypeTokenFormat.prepare(
                relationshipTypeTokenRecord, relationshipTypeTokenRecordSize, idSequence, NULL_CONTEXT);
        keys.relationshipTypeToken()
                .assertRecordsEquals(
                        relationshipTypeTokenRecord, new RelationshipTypeTokenRecord(relationshipTypeTokenRecord));
    }

    private DynamicRecord getDynamicRecord() {
        return dynamics.get(dynamicRecordSize, dynamicFormat, random.nextLong(1, dynamicFormat.getMaxId()));
    }

    private LabelTokenRecord getLabelTokenRecord() {
        return labelTokens.get(labelTokenRecordSize, labelTokenFormat, random.nextLong(1, labelTokenFormat.getMaxId()));
    }

    private NodeRecord getNodeRecord() {
        return nodes.get(nodeRecordSize, nodeFormat, random.nextLong(1, nodeFormat.getMaxId()));
    }

    private PropertyRecord getPropertyRecord() {
        return properties.get(propertyRecordSize, propertyFormat, random.nextLong(1, propertyFormat.getMaxId()));
    }

    private PropertyKeyTokenRecord getPropertyKeyTokenRecord() {
        return propertyKeyTokens.get(
                propertyKeyTokenRecordSize,
                propertyKeyTokenFormat,
                random.nextLong(1, propertyKeyTokenFormat.getMaxId()));
    }

    private RelationshipRecord getRelationshipRecord() {
        return relationships.get(
                relationshipRecordSize, relationshipFormat, random.nextLong(1, relationshipFormat.getMaxId()));
    }

    private RelationshipGroupRecord getRelationshipGroupRecord() {
        return relationshipGroups.get(
                relationshipGroupRecordSize,
                relationshipGroupFormat,
                random.nextLong(1, relationshipGroupFormat.getMaxId()));
    }

    private RelationshipTypeTokenRecord getRelationshipTypeTokenRecord() {
        return relationshipTypeTokens.get(
                relationshipTypeTokenRecordSize,
                relationshipTypeTokenFormat,
                random.nextLong(1, relationshipTypeTokenFormat.getMaxId()));
    }
}
