/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2020-Present Couchbase, 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.
 */

#pragma once

#include <couchbase/metrics/meter.hxx>

#include <chrono>
#include <cstddef>
#include <memory>

namespace couchbase
{
class metrics_options
{
  public:
    static constexpr std::chrono::milliseconds default_emit_interval{ std::chrono::minutes{ 10 } };

    auto enable(bool enable) -> metrics_options&
    {
        enabled_ = enable;
        return *this;
    }

    auto emit_interval(std::chrono::milliseconds interval) -> metrics_options&
    {
        emit_interval_ = interval;
        return *this;
    }

    auto meter(std::shared_ptr<metrics::meter> custom_meter) -> metrics_options&
    {
        meter_ = std::move(custom_meter);
        return *this;
    }

    struct built {
        bool enabled;
        std::chrono::milliseconds emit_interval;
        std::shared_ptr<metrics::meter> meter;
    };

    [[nodiscard]] auto build() const -> built
    {
        return {
            enabled_,
            emit_interval_,
            meter_,
        };
    }

  private:
    bool enabled_{ true };
    std::chrono::milliseconds emit_interval_{ default_emit_interval };
    std::shared_ptr<metrics::meter> meter_{ nullptr };
};
} // namespace couchbase
