/*
 * 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.server.http.cypher.format.output.json;

import java.net.URI;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;

public enum ResultDataContent {
    row {
        @Override
        public ResultDataContentWriter writer(URI baseUri) {
            return new RowWriter();
        }
    },
    graph {
        @Override
        public ResultDataContentWriter writer(URI baseUri) {
            return new GraphExtractionWriter();
        }
    },
    rest {
        @Override
        public ResultDataContentWriter writer(URI baseUri) {
            return new RestRepresentationWriter(baseUri);
        }
    };

    public abstract ResultDataContentWriter writer(URI baseUri);

    public static List<ResultDataContent> fromNames(List<?> names) {
        if (names == null) {
            return Collections.emptyList();
        }

        return names.stream()
                .map(name -> {
                    if (name instanceof String) {
                        try {
                            return valueOf(((String) name).toLowerCase());
                        } catch (IllegalArgumentException e) {
                            throw new IllegalArgumentException("Invalid result data content specifier: " + name);
                        }
                    } else {
                        throw new IllegalArgumentException("Invalid result data content specifier: " + name);
                    }
                })
                .collect(Collectors.toList());
    }
}
