#pragma once

#include <cstdint>
#include <iostream>
#include <string>

class Time_s;

// Insert a time into an output stream.
std::ostream &operator<<( std::ostream &out,
                          Time_s const &time );

class Time_s {
  public:
    // Construct a non-negative time.
    Time_s( std::uint32_t const hours,
            unsigned int  const minutes,
            unsigned int  const seconds );

    // Return if the time is negative, and
    // the hour, minute, and second components.
    bool          negative() const;
    std::uint32_t hours()   const;
    std::uint8_t  minutes() const;
    std::uint8_t  seconds() const;

    // Comparison of times
    bool operator==( Time_s const &other ) const;
    bool operator!=( Time_s const &other ) const;
    bool operator< ( Time_s const &other ) const;
    bool operator<=( Time_s const &other ) const;
    bool operator>=( Time_s const &other ) const;
    bool operator> ( Time_s const &other ) const;

    // Return this time or its additive inverse.
    Time_s operator+() const;
    Time_s operator-() const;

    // Add or subtract another time.
    Time_s operator+( Time_s const &other ) const;
    Time_s operator-( Time_s const &other ) const;

    // Add or subtract another time from this time.
    Time_s &operator+=( Time_s const &other );
    Time_s &operator-=( Time_s const &other );

    // Add or subtract a second from this time.
    Time_s &operator++();
    Time_s  operator++( int );
    Time_s &operator--();
    Time_s  operator--( int );

    // Return a string representation of this time.
    std::string to_string() const;

  private:
    std::int64_t seconds_;

    Time_s( std::int64_t const seconds );
};