1// import { DurationUnit } from 'luxon'
2import { LuxDuration } from '../timeF/Date1TimeF.mts'
3import * as _ from 'lodash-es'
4
5type DurationUnit = 
6  // | 'years' | 'quarters' | 'months' | 'weeks' 
7  | 'days' | 'hours' | 'minutes' | 'seconds'// | 'milliseconds'
8// type DurTypeStr = DurationUnit
9
10const unitAbbrev : Partial<Record<DurationUnit, string>> = {
11  days: 'd',
12  hours: 'h',
13  minutes: 'm',
14  seconds: 's',
15}
16
17export const dur2Human = (luxonDiff: LuxDuration): string => {
18  const sec = luxonDiff.as('seconds')
19  return (sec < 0 ? '-' : '+') + secToHumanAbs(sec)
20}
21
22export const durHumanAbs = (luxonDiff: LuxDuration | undefined) => {
23  if (!luxonDiff) return luxonDiff
24  return secToHumanAbs(luxonDiff.as('seconds'))
25}
26
27export const secToHumanAbs = (durSec: number): string => {
28  if (durSec < 0) {
29    durSec = Math.abs(durSec)
30  }
31
32  // const unitAbbrev = {
33  //   days: 'notimportant',
34  // }  
35  // Duration.fromMillis(1000).as(Object.keys(unitAbbrev)[0] as DurTypeStr)
36  const units = _.keys(unitAbbrev)
37  for(let i = 0; i < units.length; i += 1) {
38    const unit = units[i] as DurationUnit
39    const unitDurSec = LuxDuration.fromObject({[unit]: 1}).as('seconds')
40
41    if (unitDurSec <= durSec) {
42      const unitDur = _.round(LuxDuration.fromMillis(durSec * 1000).as(unit))
43      const abbrev = unitAbbrev[unit]
44      return `${unitDur}${abbrev}`
45    }
46  }
47
48  return '0s' // Default return to handle edge case when no condition is met
49}
50