//
//  TimeUtil.h
//
//  Low-level date and time functions.
//  Set and get time, format to string formats, count days and months etc.
//

#pragma once
#ifndef ES_CORE_UTILS_TIME_UTIL_H
#define ES_CORE_UTILS_TIME_UTIL_H

#include <string>

namespace Utils
{
    namespace Time
    {
        static int DEFAULT_TIMEVALUE = 0;

        class DateTime
        {
        public:
            DateTime();
            DateTime(const time_t& _time);
            DateTime(const tm& _timeStruct);
            DateTime(const std::string& _isoString);
            ~DateTime();

            const bool operator<(const DateTime& _other) const { return (mTime < _other.mTime); }
            const bool operator<=(const DateTime& _other) const { return (mTime <= _other.mTime); }
            const bool operator>(const DateTime& _other) const { return (mTime > _other.mTime); }
            const bool operator>=(const DateTime& _other) const { return (mTime >= _other.mTime); }
            operator time_t() const { return mTime; }
            operator tm() const { return mTimeStruct; }
            operator std::string() const { return mIsoString; }

            void setTime(const time_t& _time);
            const time_t& getTime() const { return mTime; }
            void setTimeStruct(const tm& _timeStruct);
            const tm& getTimeStruct() const { return mTimeStruct; }
            void setIsoString (const std::string& _isoString);
            const std::string& getIsoString () const { return mIsoString; }

        private:
            time_t mTime;
            tm mTimeStruct;
            std::string mIsoString;
        };

        class Duration
        {
        public:
            Duration(const time_t& _time);
            ~Duration();

            unsigned int getDays() const { return mDays; }
            unsigned int getHours() const { return mHours; }
            unsigned int getMinutes() const { return mMinutes; }
            unsigned int getSeconds() const { return mSeconds; }

        private:
            unsigned int mTotalSeconds;
            unsigned int mDays;
            unsigned int mHours;
            unsigned int mMinutes;
            unsigned int mSeconds;
        };

        time_t now();
        time_t stringToTime(const std::string& _string,
                const std::string& _format = "%Y%m%dT%H%M%S");
        std::string timeToString(const time_t& _time,
                const std::string& _format = "%Y%m%dT%H%M%S");
        int daysInMonth(const int _year, const int _month);
        int daysInYear(const int _year);
    }
} // Utils::

#endif // ES_CORE_UTILS_TIME_UTIL_H