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/*
 * Copyright 2018 Qunar, 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 qunar.tc.qmq.delay;

import qunar.tc.qmq.delay.base.LongHashSet;
import qunar.tc.qmq.delay.base.ReceivedDelayMessage;
import qunar.tc.qmq.delay.base.ReceivedResult;
import qunar.tc.qmq.delay.store.log.DispatchLogSegment;
import qunar.tc.qmq.delay.store.log.ScheduleSetSegment;
import qunar.tc.qmq.delay.store.model.AppendLogResult;
import qunar.tc.qmq.delay.store.model.LogRecord;
import qunar.tc.qmq.delay.store.model.ScheduleSetRecord;
import qunar.tc.qmq.delay.store.visitor.LogVisitor;
import qunar.tc.qmq.delay.wheel.WheelLoadCursor;
import qunar.tc.qmq.store.buffer.SegmentBuffer;
import qunar.tc.qmq.sync.DelaySyncRequest;

import java.nio.ByteBuffer;
import java.util.List;
import java.util.function.Consumer;

/**
 * @author xufeng.deng [email protected]
 * @since 2018-07-17 16:57
 */
public interface DelayLogFacade {
    void start();

    void shutdown();

    ReceivedResult appendMessageLog(ReceivedDelayMessage message);

    long getMessageLogMinOffset();

    SegmentBuffer getMessageLogs(long startSyncOffset);

    SegmentBuffer getDispatchLogs(long segmentBaseOffset, long dispatchLogOffset);

    long getMessageLogMaxOffset();

    long getDispatchLogMaxOffset(long dispatchSegmentBaseOffset);

    DelaySyncRequest.DispatchLogSyncRequest getDispatchLogSyncMaxRequest();

    boolean appendMessageLogData(long startOffset, ByteBuffer buffer);

    boolean appendDispatchLogData(long startOffset, long baseOffset, ByteBuffer body);

    List recoverLogRecord(List indexList);

    void appendDispatchLog(LogRecord record);

    DispatchLogSegment latestDispatchSegment();

    DispatchLogSegment lowerDispatchSegment(long latestOffset);

    ScheduleSetSegment loadScheduleLogSegment(long segmentBaseOffset);

    WheelLoadCursor.Cursor loadUnDispatch(ScheduleSetSegment setSegment, LongHashSet dispatchedSet, Consumer refresh);

    long higherScheduleBaseOffset(long index);

    AppendLogResult appendScheduleLog(LogRecord event);

    long initialMessageIterateFrom();

    void updateIterateOffset(long checkpoint);

    void blockUntilReplayDone();

    long higherDispatchLogBaseOffset(long segmentBaseOffset);
}