11import { Struct } from "$/domain/entities/generic/Struct" ;
2+ import { Config } from "$/domain/entities/Config" ;
3+ import { addToDate , toISODateWithoutTimezone , getDiff , stringToTime } from "$/utils/date" ;
4+ import _ , { Collection } from "$/domain/entities/generic/Collection" ;
5+ import { Maybe } from "$/utils/ts-utils" ;
26
3- export type PeriodDetailsAttrs = { year : number ; startDate : string ; endDate : string } ;
4- type DatePeriodAttrs = { startDate : string ; endDate : string ; periods : PeriodDetailsAttrs [ ] } ;
7+ const DEFAULT_FUTURE_PERIODS = 1 ;
8+
9+ export type YearlyPeriodDetailsAttrs = {
10+ year : number ;
11+ startDate : string ;
12+ endDate : string ;
13+ } ;
14+
15+ type DatePeriodAttrs = { startDate : string ; endDate : string ; periods : YearlyPeriodDetailsAttrs [ ] } ;
516
617export class DatePeriod extends Struct < DatePeriodAttrs > ( ) {
718 get years ( ) {
@@ -24,10 +35,87 @@ export class DatePeriod extends Struct<DatePeriodAttrs>() {
2435 } ) ) ;
2536 }
2637
38+ get dataInputPeriods ( ) : MonthlyPeriodDetails [ ] {
39+ const { periods, startDate : startDateStr , endDate : endDateStr } = this ;
40+ if ( ! periods . length ) {
41+ return [ ] ;
42+ }
43+
44+ const allStartTimes = this . extractPeriodDateAsTimes ( "startDate" ) ;
45+ const allEndTimes = this . extractPeriodDateAsTimes ( "endDate" ) ;
46+
47+ if ( ! allStartTimes . length || ! allEndTimes . length ) {
48+ return [ ] ;
49+ }
50+
51+ const startDate = new Date ( startDateStr ) ;
52+ const endDate = new Date ( endDateStr ) ;
53+
54+ const openingDate = new Date ( Math . min ( ...allStartTimes , startDate . getTime ( ) ) ) ;
55+ const closingDate = new Date ( Math . max ( ...allEndTimes , endDate . getTime ( ) ) ) ;
56+
57+ const startYear = startDate . getFullYear ( ) ;
58+ const startMonth = startDate . getMonth ( ) ;
59+
60+ const totalMonths = Math . round ( getDiff ( startDate , endDate , "month" ) ) ;
61+
62+ return Collection . range ( 0 , totalMonths )
63+ . map ( monthOffset => {
64+ const targetYear = startYear + Math . floor ( ( startMonth + monthOffset ) / 12 ) ;
65+ const targetMonth = ( ( startMonth + monthOffset ) % 12 ) + 1 ;
66+
67+ return MonthlyPeriodDetails . create ( {
68+ year : targetYear ,
69+ month : targetMonth ,
70+ startDate : toISODateWithoutTimezone ( openingDate ) ,
71+ endDate : toISODateWithoutTimezone ( closingDate ) ,
72+ } ) ;
73+ } )
74+ . value ( ) ;
75+ }
76+
77+ private extractPeriodDateAsTimes < K extends "startDate" | "endDate" > ( field : K ) {
78+ return _ ( this . periods )
79+ . compactMap ( p => stringToTime ( p [ field ] ) )
80+ . value ( ) ;
81+ }
82+
83+ generatePeriods ( config : DataPeriodConfig ) : DatePeriod [ "periods" ] {
84+ const { startDate, endDate, periods, years } = this ;
85+
86+ const month = config . periodEndDateMonth ;
87+ const day = config . periodEndDateDay ;
88+ const units = config . periodLastYearUnits ;
89+ const unitValue = config . periodLastYearEndDate ;
90+ const lastYear = years [ years . length - 1 ] ;
91+
92+ return years . map ( year => {
93+ const currentPeriod = periods . find ( period => period . year === year ) ;
94+
95+ const defaultEndDate = new Date ( year + 1 , month - 1 , day , 0 , 0 , 0 ) . toISOString ( ) ;
96+
97+ const lastYearEndDate =
98+ units && unitValue ? addToDate ( endDate ?? "" , units , unitValue ) : endDate ;
99+
100+ const endM = year === lastYear ? lastYearEndDate : defaultEndDate ;
101+
102+ return {
103+ year,
104+ startDate : currentPeriod ?. startDate ?? startDate ?? "" ,
105+ endDate : currentPeriod ?. endDate ?? endM ?? "" ,
106+ } ;
107+ } ) ;
108+ }
109+
110+ initializePeriods ( config : DataPeriodConfig ) : DatePeriod {
111+ const periods = this . generatePeriods ( config ) ;
112+ return this . updatedPeriods ( periods ) ;
113+ }
114+
27115 private buildShortFormat ( date : string ) {
28116 if ( ! date ) return "" ;
29117
30- const datePart = new Date ( date ) . toISOString ( ) . split ( "T" ) [ 0 ] ;
118+ const datePart = toISODateWithoutTimezone ( new Date ( date ) ) . split ( "T" ) [ 0 ] ;
31119 if ( ! datePart ) return "" ;
32120 return datePart . replace ( / - / g, "" ) ;
33121 }
@@ -46,7 +134,30 @@ export class DatePeriod extends Struct<DatePeriodAttrs>() {
46134 return this . _update ( { [ fieldName ] : value } ) ;
47135 }
48136
49- updatedPeriods ( periods : PeriodDetailsAttrs [ ] ) : DatePeriod {
137+ updatedPeriods ( periods : YearlyPeriodDetailsAttrs [ ] ) : DatePeriod {
50138 return this . _update ( { periods } ) ;
51139 }
140+
141+ static getFuturePeriods ( endDateStr : Maybe < string > ) : number {
142+ if ( ! endDateStr ) return DEFAULT_FUTURE_PERIODS ;
143+
144+ const end = new Date ( endDateStr ) ;
145+ const now = new Date ( ) ;
146+
147+ const monthsDiff = Math . ceil ( getDiff ( now , end , "month" ) ) ;
148+
149+ return Math . max ( monthsDiff + 1 , DEFAULT_FUTURE_PERIODS ) ;
150+ }
52151}
152+
153+ export type MonthlyPeriodDetailsAttrs = YearlyPeriodDetailsAttrs & { month : number } ;
154+ export class MonthlyPeriodDetails extends Struct < MonthlyPeriodDetailsAttrs > ( ) {
155+ get period ( ) {
156+ return `${ this . year } ${ String ( this . month ) . padStart ( 2 , "0" ) } ;
157+ }
158+ }
159+
160+ type DataPeriodConfig = Pick <
161+ Config ,
162+ "periodEndDateMonth" | "periodEndDateDay" | "periodLastYearUnits" | "periodLastYearEndDate"
163+ > ;
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