/*
 * 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 com.mongodb.kafka.connect.source.json.formatter;

import java.time.Instant;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Base64;

import org.bson.json.JsonMode;
import org.bson.json.JsonWriterSettings;

public class SimplifiedJson implements JsonWriterSettingsProvider {

  @Override
  public JsonWriterSettings getJsonWriterSettings() {
    return JsonWriterSettings.builder()
        .outputMode(JsonMode.RELAXED)
        .binaryConverter(
            (value, writer) ->
                writer.writeString(Base64.getEncoder().encodeToString(value.getData())))
        .dateTimeConverter(
            (value, writer) -> {
              ZonedDateTime zonedDateTime = Instant.ofEpochMilli(value).atZone(ZoneOffset.UTC);
              writer.writeString(DateTimeFormatter.ISO_DATE_TIME.format(zonedDateTime));
            })
        .decimal128Converter((value, writer) -> writer.writeString(value.toString()))
        .objectIdConverter((value, writer) -> writer.writeString(value.toHexString()))
        .symbolConverter((value, writer) -> writer.writeString(value))
        .build();
  }
}
