/**
 *    Copyright (C) 2023-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.
 */

#include "mongo/db/commands/bulk_write_crud_op.h"

namespace mongo {

BulkWriteCRUDOp::BulkWriteCRUDOp(const stdx::variant<mongo::BulkWriteInsertOp,
                                                     mongo::BulkWriteUpdateOp,
                                                     mongo::BulkWriteDeleteOp>& op)
    : _op{op}, _type{op.index()} {}

BulkWriteCRUDOp::OpType BulkWriteCRUDOp::getType() const {
    return _type;
}

unsigned int BulkWriteCRUDOp::getNsInfoIdx() const {
    return stdx::visit(
        OverloadedVisitor{[](const mongo::BulkWriteInsertOp& value) { return value.getInsert(); },
                          [](const mongo::BulkWriteUpdateOp& value) { return value.getUpdate(); },
                          [](const mongo::BulkWriteDeleteOp& value) {
                              return value.getDeleteCommand();
                          }},
        _op);
}

ActionSet BulkWriteCRUDOp::getActions() const {
    ActionSet newActions;
    stdx::visit(OverloadedVisitor{[&newActions](const mongo::BulkWriteInsertOp& value) {
                                      newActions.addAction(ActionType::insert);
                                  },
                                  [&newActions](const mongo::BulkWriteUpdateOp& value) {
                                      if (value.getUpsert()) {
                                          newActions.addAction(ActionType::insert);
                                      }
                                      newActions.addAction(ActionType::update);
                                  },
                                  [&newActions](const mongo::BulkWriteDeleteOp& value) {
                                      newActions.addAction(ActionType::remove);
                                  }},
                _op);

    return newActions;
}

const mongo::BulkWriteInsertOp* BulkWriteCRUDOp::getInsert() const {
    return stdx::get_if<BulkWriteCRUDOp::OpType::kInsert>(&_op);
}

const mongo::BulkWriteUpdateOp* BulkWriteCRUDOp::getUpdate() const {
    return stdx::get_if<BulkWriteCRUDOp::OpType::kUpdate>(&_op);
}

const mongo::BulkWriteDeleteOp* BulkWriteCRUDOp::getDelete() const {
    return stdx::get_if<BulkWriteCRUDOp::OpType::kDelete>(&_op);
}

mongo::BSONObj BulkWriteCRUDOp::toBSON() const {
    return stdx::visit(
        OverloadedVisitor{[](const mongo::BulkWriteInsertOp& value) { return value.toBSON(); },
                          [](const mongo::BulkWriteUpdateOp& value) { return value.toBSON(); },
                          [](const mongo::BulkWriteDeleteOp& value) {
                              return value.toBSON();
                          }},
        _op);
}

}  // namespace mongo