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/*
 * 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 .
 */
package org.neo4j.server.http.cypher.entity;

import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.function.BiFunction;

import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.RelationshipType;

public class HttpRelationship implements Relationship
{
    private final long relId;
    private final long startNodeId;
    private final long endNodeId;
    private final String type;
    private final Map properties;
    private final boolean isDeleted;
    private final BiFunction> getNodeById;

    public HttpRelationship( long relId, long startNodeId, long endNodeId, String type, Map properties, boolean isDeleted,
                             BiFunction> getNodeById )
    {
        this.relId = relId;
        this.startNodeId = startNodeId;
        this.endNodeId = endNodeId;
        this.type = type;
        this.properties = properties;
        this.isDeleted = isDeleted;
        this.getNodeById = getNodeById;
    }

    @Override
    public long getId()
    {
        return relId;
    }

    @Override
    public boolean hasProperty( String key )
    {
        return false;
    }

    @Override
    public Object getProperty( String key )
    {
        return null;
    }

    @Override
    public Object getProperty( String key, Object defaultValue )
    {
        return null;
    }

    @Override
    public void setProperty( String key, Object value )
    {

    }

    @Override
    public Object removeProperty( String key )
    {
        return null;
    }

    @Override
    public Iterable getPropertyKeys()
    {
        return null;
    }

    @Override
    public Map getProperties( String... keys )
    {
        return null;
    }

    @Override
    public Map getAllProperties()
    {
        return properties;
    }

    @Override
    public void delete()
    {

    }

    @Override
    public long getStartNodeId()
    {
        return startNodeId;
    }

    @Override
    public long getEndNodeId()
    {
        return endNodeId;
    }

    @Override
    public Node getStartNode()
    {
        return getNodeById.apply( startNodeId, isDeleted ).orElseGet( () -> new HttpNode( startNodeId ) );
    }

    @Override
    public Node getEndNode()
    {
        return getNodeById.apply( endNodeId, isDeleted ).orElseGet( () -> new HttpNode( endNodeId ) );
    }

    @Override
    public Node getOtherNode( Node node )
    {
        return null;
    }

    @Override
    public Node[] getNodes()
    {
        return new Node[0];
    }

    @Override
    public RelationshipType getType()
    {
        return RelationshipType.withName( type );
    }

    @Override
    public boolean isType( RelationshipType type )
    {
        return false;
    }

    public boolean isDeleted()
    {
        return isDeleted;
    }

    @Override
    public int hashCode()
    {
        return Objects.hash( relId );
    }

    @Override
    public boolean equals( Object other )
    {
        return other instanceof Relationship && this.getId() == ((Relationship) other).getId();
    }
}