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// to you 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,
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package org.apache.doris.flink.tools.cdc.mongodb;

import org.apache.doris.flink.tools.cdc.DatabaseSyncConfig;

import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;

public class MongoDateConverter {
    private static final ThreadLocal<DateTimeFormatter> dateFormatterThreadLocal =
            ThreadLocal.withInitial(
                    () -> DateTimeFormatter.ofPattern(DatabaseSyncConfig.DATETIME_MICRO_FORMAT));

    public static String convertTimestampToString(long timestamp) {
        Instant instant = Instant.ofEpochMilli(timestamp);
        LocalDateTime localDateTime =
                LocalDateTime.ofInstant(instant, ZoneId.of(DatabaseSyncConfig.TIME_ZONE_SHANGHAI));
        return dateFormatterThreadLocal.get().format(localDateTime);
    }
}
