/*
 * Copyright (C) 2019  Max Regan
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#pragma once

#include <stdint.h>

namespace Common {

using time_t = uint64_t;

class Time {
public:
    static constexpr uint64_t MILLIS_PER_SEC = 1e3;
    static constexpr uint64_t MICROS_PER_SEC = 1e6;
    static constexpr uint64_t NANOS_PER_SEC  = 1e9;

    static constexpr uint64_t MICROS_PER_MILLI = 1e3;
    static constexpr uint64_t NANOS_PER_MILLI  = 1e6;

    static constexpr uint64_t NANOS_PER_MICRO = 1e3;

    static inline time_t nanos(uint64_t value)
    {
        return value / NANOS_PER_MICRO;
    }

    static inline time_t micros(uint64_t value)
    {
        return value;
    }

    static inline time_t millis(uint64_t value)
    {
        return value * MICROS_PER_MILLI;
    }

    static inline time_t seconds(uint64_t value)
    {
        return value * MICROS_PER_SEC;
    }

    static inline uint64_t to_nanos(time_t value)
    {
        return value * NANOS_PER_MICRO;
    }

    static inline uint64_t to_micros(time_t value)
    {
        return value;
    }

    static inline uint64_t to_millis(time_t value)
    {
        return value / MICROS_PER_MILLI;
    }

    static inline uint64_t to_seconds(time_t value)
    {
        return value / MICROS_PER_SEC;
    }
};

}