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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * 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, 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.apache.paimon.flink.action;

import org.apache.paimon.Snapshot;
import org.apache.paimon.table.DataTable;
import org.apache.paimon.table.FileStoreTable;
import org.apache.paimon.utils.Preconditions;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Map;

/** Rollback to specific timestamp action for Flink. */
public class RollbackToTimestampAction extends TableActionBase {

    private static final Logger LOG = LoggerFactory.getLogger(RollbackToTimestampAction.class);

    private final Long timestamp;

    public RollbackToTimestampAction(
            String databaseName,
            String tableName,
            Long timestamp,
            Map catalogConfig) {
        super(databaseName, tableName, catalogConfig);
        this.timestamp = timestamp;
    }

    @Override
    public void run() throws Exception {
        LOG.debug("Run rollback-to-timestamp action with timestamp '{}'.", timestamp);

        if (!(table instanceof DataTable)) {
            throw new IllegalArgumentException("Unknown table: " + identifier);
        }

        FileStoreTable fileStoreTable = (FileStoreTable) table;
        Snapshot snapshot = fileStoreTable.snapshotManager().earlierOrEqualTimeMills(timestamp);
        Preconditions.checkNotNull(
                snapshot, String.format("count not find snapshot earlier than %s", timestamp));
        fileStoreTable.rollbackTo(snapshot.id());
    }
}