/**
 *    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/exec/working_set.h"

namespace mongo {

class TextScoreComputedData : public WorkingSetComputedData {
public:
    TextScoreComputedData(double score)
        : WorkingSetComputedData(WSM_COMPUTED_TEXT_SCORE), _score(score) {}

    double getScore() const {
        return _score;
    }

    TextScoreComputedData* clone() const final {
        return new TextScoreComputedData(_score);
    }

private:
    double _score;
};

class GeoDistanceComputedData : public WorkingSetComputedData {
public:
    GeoDistanceComputedData(double dist)
        : WorkingSetComputedData(WSM_COMPUTED_GEO_DISTANCE), _dist(dist) {}

    double getDist() const {
        return _dist;
    }

    GeoDistanceComputedData* clone() const final {
        return new GeoDistanceComputedData(_dist);
    }

private:
    double _dist;
};

class IndexKeyComputedData : public WorkingSetComputedData {
public:
    // Given an index key 'dehydratedKey' with no field names, returns a new BSONObj after adding
    // field names according to 'keyPattern'.
    static BSONObj rehydrateKey(const BSONObj& keyPattern, const BSONObj& dehydratedKey);

    IndexKeyComputedData(BSONObj key)
        : WorkingSetComputedData(WSM_INDEX_KEY), _key(key.getOwned()) {}

    BSONObj getKey() const {
        return _key;
    }

    IndexKeyComputedData* clone() const final {
        return new IndexKeyComputedData(_key);
    }

private:
    BSONObj _key;
};

class GeoNearPointComputedData : public WorkingSetComputedData {
public:
    GeoNearPointComputedData(BSONObj point)
        : WorkingSetComputedData(WSM_GEO_NEAR_POINT), _point(point.getOwned()) {}

    BSONObj getPoint() const {
        return _point;
    }

    GeoNearPointComputedData* clone() const final {
        return new GeoNearPointComputedData(_point);
    }

private:
    BSONObj _point;
};

class SortKeyComputedData : public WorkingSetComputedData {
public:
    SortKeyComputedData(BSONObj sortKey)
        : WorkingSetComputedData(WSM_SORT_KEY), _sortKey(sortKey.getOwned()) {}

    BSONObj getSortKey() const {
        return _sortKey;
    }

    SortKeyComputedData* clone() const final {
        return new SortKeyComputedData(_sortKey);
    }

private:
    BSONObj _sortKey;
};

}  // namespace mongo