package utils

import (
	"time"
)

func VeryBeginOfDate(date time.Time) time.Time {
	return time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
}

func VeryEndOfDate(date time.Time) time.Time {
	return time.Date(date.Year(), date.Month(), date.Day(), 23, 59, 59, 999999999, date.Location())
}

func DifferenceInMonth(t1, t2 time.Time) int {
	var differYear, differMonth int
	differYear = t1.Year() - t2.Year()
	differMonth = int(t1.Month() - t2.Month())
	return differYear*12 + differMonth
}

func IsNextMonth(origin, t time.Time) bool {
	return DifferenceInMonth(t, origin) == 1
}