/**
 *    Copyright (C) 2018-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the Server Side Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

#pragma once

#include "mongo/db/op_observer/op_observer_noop.h"

namespace mongo {

/**
 * OpObserver which is installed on the op observers chain when the server is running as a shard
 * server (--shardsvr).
 */
class ShardServerOpObserver final : public OpObserverNoop {
    ShardServerOpObserver(const ShardServerOpObserver&) = delete;
    ShardServerOpObserver& operator=(const ShardServerOpObserver&) = delete;

public:
    ShardServerOpObserver();
    ~ShardServerOpObserver();

    void onModifyCollectionShardingIndexCatalog(OperationContext* opCtx,
                                                const NamespaceString& nss,
                                                const UUID& uuid,
                                                BSONObj indexDoc) override;

    void onCreateIndex(OperationContext* opCtx,
                       const NamespaceString& nss,
                       const UUID& uuid,
                       BSONObj indexDoc,
                       bool fromMigrate) override;

    void onStartIndexBuild(OperationContext* opCtx,
                           const NamespaceString& nss,
                           const UUID& collUUID,
                           const UUID& indexBuildUUID,
                           const std::vector<BSONObj>& indexes,
                           bool fromMigrate) override;

    void onStartIndexBuildSinglePhase(OperationContext* opCtx, const NamespaceString& nss) override;

    void onAbortIndexBuildSinglePhase(OperationContext* opCtx, const NamespaceString& nss) override;

    void onInserts(OperationContext* opCtx,
                   const CollectionPtr& coll,
                   std::vector<InsertStatement>::const_iterator begin,
                   std::vector<InsertStatement>::const_iterator end,
                   std::vector<bool> fromMigrate,
                   bool defaultFromMigrate,
                   InsertsOpStateAccumulator* opAccumulator = nullptr) override;

    void onUpdate(OperationContext* opCtx,
                  const OplogUpdateEntryArgs& args,
                  OpStateAccumulator* opAccumulator = nullptr) override;

    void aboutToDelete(OperationContext* opCtx,
                       const CollectionPtr& coll,
                       const BSONObj& doc) override;

    void onDelete(OperationContext* opCtx,
                  const CollectionPtr& coll,
                  StmtId stmtId,
                  const OplogDeleteEntryArgs& args,
                  OpStateAccumulator* opAccumulator = nullptr) override;

    void onCreateCollection(OperationContext* opCtx,
                            const CollectionPtr& coll,
                            const NamespaceString& collectionName,
                            const CollectionOptions& options,
                            const BSONObj& idIndex,
                            const OplogSlot& createOpTime,
                            bool fromMigrate) override;

    void onCollMod(OperationContext* opCtx,
                   const NamespaceString& nss,
                   const UUID& uuid,
                   const BSONObj& collModCmd,
                   const CollectionOptions& oldCollOptions,
                   boost::optional<IndexCollModInfo> indexInfo) override;

    repl::OpTime onDropCollection(OperationContext* opCtx,
                                  const NamespaceString& collectionName,
                                  const UUID& uuid,
                                  std::uint64_t numRecords,
                                  CollectionDropType dropType,
                                  bool markFromMigrate) override;

    void onDropIndex(OperationContext* opCtx,
                     const NamespaceString& nss,
                     const UUID& uuid,
                     const std::string& indexName,
                     const BSONObj& indexInfo) override;

    void onReplicationRollback(OperationContext* opCtx,
                               const RollbackObserverInfo& rbInfo) override;
};

}  // namespace mongo