/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * 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.bson.json;

class RelaxedExtendedJsonDateTimeConverter implements Converter<Long> {
    private static final Converter<Long> FALLBACK_CONVERTER = new ExtendedJsonDateTimeConverter();
    private static final long LAST_MS_OF_YEAR_9999 = 253402300799999L;

    @Override
    public void convert(final Long value, final StrictJsonWriter writer) {
        if (value < 0 || value > LAST_MS_OF_YEAR_9999) {
            FALLBACK_CONVERTER.convert(value, writer);
        } else {
            writer.writeStartObject();
            writer.writeString("$date", DateTimeFormatter.format(value));
            writer.writeEndObject();
        }
    }
}