// ------------------------------------------------------------------------
//   Project atila
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  days.go
//   Created by DEV
//   Modified   21/02/2024
//
//   Copyright 2024 activething.com 
// ------------------------------------------------------------------------
// 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.
// ------------------------------------------------------------------------

package dates

import "time"


type (

	DateDays int32

)




func (d DateDays) AddDate(years, months, days int) DateDays {
	return TimeToDays(d.ToTime().AddDate(years,months,days)) }


func (d DateDays) ToTime() time.Time {
	return DaysToTime(d) }

func (d DateDays) Before (days DateDays) bool {
	return d < days }

func (d DateDays) After  (days DateDays) bool {
	return d > days }

func (d DateDays) Compare(days DateDays) int {
	if d < days {
		return -1 }
	if d == days {
		return 0 }
	return 1
}

func (d DateDays) Min (days DateDays) DateDays {
	if d > days {
		return days
	}
	return d
}

func (d DateDays) Max (days DateDays) DateDays {
	if d < days {
		return days
	}
	return d
}






func TimeToDays (time time.Time) DateDays {
	_,x := time.Zone()
	s := time.Unix() + int64(x)
	if s >= 0 {
		return DateDays(s/ secondsDay) }
	return -DateDays((secondsDay -1 -s)/ secondsDay)
}


func DaysToTime(days DateDays) time.Time {
	return time.Unix(int64(days) *secondsDay,0).UTC() }


/*
   ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

   I HAVE NO DESIRE TO WALK ON WATER," SAID SIDDHARTA.
   "LET THE OLD SHRAMANAS SATISFY THEMSELVES WITH SUCH SKILLS.

   SIDDHARTA
   - HERMANN HESSE -

   :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

*/