Date.hpp

#pragma once
#include <samchon/API.hpp>

#include <samchon/library/IOperator.hpp>

#include <string>
#include <samchon/WeakString.hpp>
#include <chrono>

namespace samchon
{
namespace library
{
    class SAMCHON_FRAMEWORK_API Date
        : public std::chrono::system_clock::time_point
    {
    private:
        typedef std::chrono::system_clock::time_point super;

    protected:
        static std::chrono::system_clock::time_point TP_1970;

        static auto calcSeconds(int year, int month, int date) -> long long;

        static auto calcLastDates(int year)->std::array<int, 12>;

    public:
        /* --------------------------------------------------------------------------
            CONSTRUCTORS
        -------------------------------------------------------------------------- */
        Date();

        Date(const super&);

        Date(super&&);

        Date(int year, int month, int date);

        Date(const std::string &);

        Date(const WeakString &);

        Date(long long linuxTime);
        virtual ~Date() = default;

        void set(const std::string &);

        virtual void set(const WeakString &);

        void set(int year, int month, int date);

        void set(long long linuxTime);

    public:
        /* --------------------------------------------------------------------------
            SETTERS
        -------------------------------------------------------------------------- */
        virtual void setYear(int);

        virtual void setMonth(int);
        virtual void setDate(int);

        //ADD METHODS
        virtual void addYear(int);

        virtual void addMonth(int);

        virtual void addWeek(int);

        virtual void addDate(int);

        /* --------------------------------------------------------------------------
            GETTERS
        -------------------------------------------------------------------------- */
        auto getYear() const -> int;

        auto getMonth() const -> int;

        auto getDate() const -> int;

        auto getDay() const -> int;

        /* --------------------------------------------------------------------------
            EXPORTERS
        -------------------------------------------------------------------------- */
    protected:
        auto toTM() const -> struct ::tm;

    public:
        auto toLinuxTime() const -> long long;

        virtual auto toString() const->std::string;
    };
};
};