Files
accounted/components/onboarding/Step3TaxRegistration.tsx
T
Jakob Wennberg 2368df5f5e fix: simplify onboarding fiscal year start to month/year picker
Remove the Day dropdown since fiscal year always starts on the 1st.
Fix selection bug where picking month first showed nothing because the
compose function required all three values before updating the form.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-04 20:56:10 +01:00

753 lines
30 KiB
TypeScript

'use client'
import { useState, useMemo, useEffect } from 'react'
import { useForm, Controller } from 'react-hook-form'
import { zodResolver } from '@hookform/resolvers/zod'
import { z } from 'zod'
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
import { Button } from '@/components/ui/button'
import { Input } from '@/components/ui/input'
import { Label } from '@/components/ui/label'
import { Checkbox } from '@/components/ui/checkbox'
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
import { InfoTooltip } from '@/components/ui/info-tooltip'
import { Loader2, ArrowRight, ArrowLeft, Check, CalendarDays, Info } from 'lucide-react'
import { cn } from '@/lib/utils'
import { monthsBetween } from '@/lib/bookkeeping/validate-period-duration'
import type { MomsPeriod, EntityType } from '@/types'
const schema = z.object({
f_skatt: z.boolean(),
is_first_fiscal_year: z.boolean(),
// First year fields (conditional)
first_year_start: z.string().optional(),
first_year_end: z.string().optional(),
// Ongoing year field (conditional)
fiscal_year_end_month: z.number().min(1).max(12).optional(),
// Existing fields
vat_registered: z.boolean(),
vat_number: z.string().optional(),
moms_period: z.enum(['monthly', 'quarterly', 'yearly']).optional(),
accounting_method: z.enum(['accrual', 'cash']),
})
type FormData = z.infer<typeof schema>
// Output type passed to onNext — includes computed fiscal_year_start_month
interface Step3Output {
f_skatt: boolean
fiscal_year_start_month: number
is_first_fiscal_year: boolean
first_year_start?: string
first_year_end?: string
vat_registered: boolean
vat_number?: string
moms_period?: MomsPeriod
accounting_method: 'accrual' | 'cash'
}
interface Step3Props {
initialData: Partial<Step3Output>
entityType?: EntityType
orgNumber?: string
onNext: (data: Step3Output) => void
onBack: () => void
isSaving: boolean
}
const monthNames = [
'Januari', 'Februari', 'Mars', 'April', 'Maj', 'Juni',
'Juli', 'Augusti', 'September', 'Oktober', 'November', 'December',
]
function formatSwedishDate(dateStr: string): string {
const d = new Date(dateStr)
const day = d.getDate()
const month = monthNames[d.getMonth()].toLowerCase()
const year = d.getFullYear()
return `${day} ${month} ${year}`
}
/**
* Get the last day of a given month (1-indexed).
*/
function lastDayOfMonth(year: number, month: number): number {
return new Date(year, month, 0).getDate()
}
/**
* Compute valid first-year end dates for enskild firma.
* EF must use calendar year, so end is always Dec 31.
*/
function getEFFirstYearEndDates(startYear: number, startMonth: number): { label: string; value: string }[] {
// EF always ends Dec 31 of either same year or (if start is Jan) same year
// If start is late in the year, only option is Dec 31 same year
// Periods cannot exceed 18 months
const options: { label: string; value: string }[] = []
// Option 1: Dec 31 of same year (if startMonth <= 12)
const months1 = 12 - startMonth + 1
if (months1 >= 1 && months1 <= 18) {
const endDate = `${startYear}-12-31`
options.push({
label: `31 december ${startYear} (${months1} mån)`,
value: endDate,
})
}
// Option 2: Dec 31 of next year (if that gives <= 18 months)
const months2 = months1 + 12
if (months2 >= 1 && months2 <= 18 && startMonth > 6) {
// Only makes sense if start month > June (otherwise > 18 months)
const endDate = `${startYear + 1}-12-31`
options.push({
label: `31 december ${startYear + 1} (${months2} mån)`,
value: endDate,
})
}
return options
}
/**
* Compute valid first-year end dates for aktiebolag given a chosen end month.
* Returns one or two options (ending in the nearest years that give 1-18 months).
*/
function getABFirstYearEndDates(
startYear: number,
startMonth: number,
endMonth: number
): { label: string; value: string }[] {
const options: { label: string; value: string }[] = []
// Try ending in the same year or next year
for (const endYear of [startYear, startYear + 1, startYear + 2]) {
const months = (endYear - startYear) * 12 + (endMonth - startMonth) + 1
if (months >= 1 && months <= 18) {
const day = lastDayOfMonth(endYear, endMonth)
const endDate = `${endYear}-${String(endMonth).padStart(2, '0')}-${String(day).padStart(2, '0')}`
options.push({
label: `${day} ${monthNames[endMonth - 1].toLowerCase()} ${endYear} (${months} mån)`,
value: endDate,
})
}
}
return options
}
export default function Step3TaxRegistration({
initialData,
entityType,
orgNumber,
onNext,
onBack,
isSaving,
}: Step3Props) {
const isEF = entityType === 'enskild_firma'
const {
register,
handleSubmit,
watch,
control,
setValue,
formState: { errors },
} = useForm<FormData>({
resolver: zodResolver(schema),
defaultValues: {
f_skatt: initialData.f_skatt ?? true,
is_first_fiscal_year: initialData.is_first_fiscal_year ?? false,
first_year_start: initialData.first_year_start || '',
first_year_end: initialData.first_year_end || '',
fiscal_year_end_month: initialData.fiscal_year_start_month
? (initialData.fiscal_year_start_month === 1 ? 12 : initialData.fiscal_year_start_month - 1)
: 12,
vat_registered: initialData.vat_registered ?? false,
vat_number: initialData.vat_number || '',
moms_period: initialData.moms_period,
accounting_method: initialData.accounting_method ?? 'accrual',
},
})
const vatRegistered = watch('vat_registered')
const isFirstYear = watch('is_first_fiscal_year')
const firstYearStart = watch('first_year_start')
const firstYearEnd = watch('first_year_end')
const fiscalYearEndMonth = watch('fiscal_year_end_month')
const accountingMethod = watch('accounting_method')
// Auto-fill VAT number when vat_registered toggles on
const vatNumber = watch('vat_number')
useEffect(() => {
if (vatRegistered && !vatNumber && orgNumber) {
const cleaned = orgNumber.replace(/[-\s]/g, '')
if (cleaned.length >= 10) {
setValue('vat_number', `SE${cleaned}01`)
}
}
}, [vatRegistered, vatNumber, orgNumber, setValue])
// State for first-year start date selectors (month/year)
const [startMonth, setStartMonth] = useState<number>(
initialData.first_year_start
? new Date(initialData.first_year_start).getMonth() + 1
: 0
)
const [startYear, setStartYear] = useState<number>(
initialData.first_year_start
? new Date(initialData.first_year_start).getFullYear()
: 0
)
// State for AB first-year end month selector
const [abEndMonth, setAbEndMonth] = useState<number>(
initialData.first_year_end
? new Date(initialData.first_year_end).getMonth() + 1
: 12
)
// Parse first year start for date computations
const parsedStart = useMemo(() => {
if (!firstYearStart) return null
const d = new Date(firstYearStart)
if (isNaN(d.getTime())) return null
return { year: d.getFullYear(), month: d.getMonth() + 1 }
}, [firstYearStart])
// Compute end date options for first year
const firstYearEndOptions = useMemo(() => {
if (!parsedStart) return []
if (isEF) {
return getEFFirstYearEndDates(parsedStart.year, parsedStart.month)
}
return getABFirstYearEndDates(parsedStart.year, parsedStart.month, abEndMonth)
}, [parsedStart, isEF, abEndMonth])
const onSubmit = (data: FormData) => {
let fiscalYearStartMonth: number
let firstStart: string | undefined
let firstEnd: string | undefined
if (data.is_first_fiscal_year && data.first_year_start && data.first_year_end) {
// Derive start month from end date
const endDate = new Date(data.first_year_end)
const endMonth = endDate.getMonth() + 1
fiscalYearStartMonth = endMonth === 12 ? 1 : endMonth + 1
firstStart = data.first_year_start
firstEnd = data.first_year_end
} else if (isEF) {
// EF must always be calendar year
fiscalYearStartMonth = 1
} else {
// AB ongoing: derive from end month
const endMonth = data.fiscal_year_end_month || 12
fiscalYearStartMonth = endMonth === 12 ? 1 : endMonth + 1
}
const output: Step3Output = {
f_skatt: data.f_skatt,
fiscal_year_start_month: fiscalYearStartMonth,
is_first_fiscal_year: data.is_first_fiscal_year,
...(firstStart && { first_year_start: firstStart }),
...(firstEnd && { first_year_end: firstEnd }),
vat_registered: data.vat_registered,
vat_number: data.vat_number,
moms_period: data.moms_period,
accounting_method: data.accounting_method,
}
onNext(output)
}
return (
<div className="space-y-6">
<div className="text-center">
<h1 className="text-3xl font-bold tracking-tight">Skatteregistrering</h1>
<p className="text-muted-foreground mt-2">
Ange information om din skatteregistrering.
</p>
</div>
<Card>
<CardHeader>
<CardTitle>F-skatt och räkenskapsår</CardTitle>
<CardDescription>
Dessa uppgifter används för att beräkna din skattesituation.
</CardDescription>
</CardHeader>
<CardContent>
<form onSubmit={handleSubmit(onSubmit)} className="space-y-6">
{/* F-skatt */}
<div className="flex items-start space-x-3">
<Controller
name="f_skatt"
control={control}
render={({ field }) => (
<Checkbox
id="f_skatt"
checked={field.value}
onCheckedChange={field.onChange}
/>
)}
/>
<div className="space-y-1">
<InfoTooltip
content={
<div className="space-y-2">
<p className="font-medium">Vad är F-skatt?</p>
<p>F-skatt betyder att du själv ansvarar för att betala skatt och avgifter till Skatteverket varje månad.</p>
<p className="text-xs text-muted-foreground">De flesta som driver företag har F-skatt. Utan F-skatt måste dina kunder göra skatteavdrag dina fakturor.</p>
</div>
}
side="right"
>
<Label htmlFor="f_skatt" className="cursor-pointer">
Jag har F-skattsedel
</Label>
</InfoTooltip>
<p className="text-sm text-muted-foreground">
F-skatt innebär att du själv ansvarar för att betala in skatt och avgifter.
</p>
</div>
</div>
{/* Fiscal year section */}
<div className="pt-4 border-t space-y-4">
<InfoTooltip
content={
<div className="space-y-2">
<p className="font-medium">Räkenskapsår</p>
<p>Ditt räkenskapsår bestämmer vilken period du bokför för. De flesta har kalenderår (jan-dec).</p>
{isEF && (
<p className="text-xs text-muted-foreground">Enskild firma måste använda kalenderår enligt BFL 3 kap.</p>
)}
</div>
}
side="right"
>
<Label className="text-base font-medium">Vilket räkenskapsår bokför du för?</Label>
</InfoTooltip>
{/* Toggle: First year vs Ongoing */}
<Controller
name="is_first_fiscal_year"
control={control}
render={({ field }) => (
<div className="grid grid-cols-2 gap-3">
<button
type="button"
onClick={() => field.onChange(true)}
className="text-left"
>
<Card className={cn(
'p-3 transition-all cursor-pointer hover:border-primary/50',
field.value && 'border-primary ring-2 ring-primary/20'
)}>
<div className="flex items-center justify-between">
<div>
<p className="font-medium text-sm">Första räkenskapsåret</p>
<p className="text-xs text-muted-foreground mt-0.5">Nystartat företag</p>
</div>
{field.value && (
<div className="flex-shrink-0 p-1 rounded-full bg-primary text-primary-foreground">
<Check className="h-3 w-3" />
</div>
)}
</div>
</Card>
</button>
<button
type="button"
onClick={() => field.onChange(false)}
className="text-left"
>
<Card className={cn(
'p-3 transition-all cursor-pointer hover:border-primary/50',
!field.value && 'border-primary ring-2 ring-primary/20'
)}>
<div className="flex items-center justify-between">
<div>
<p className="font-medium text-sm">Annat räkenskapsår</p>
<p className="text-xs text-muted-foreground mt-0.5">Pågående verksamhet</p>
</div>
{!field.value && (
<div className="flex-shrink-0 p-1 rounded-full bg-primary text-primary-foreground">
<Check className="h-3 w-3" />
</div>
)}
</div>
</Card>
</button>
</div>
)}
/>
{/* First fiscal year options */}
{isFirstYear && (
<div className="space-y-4 rounded-lg bg-muted/50 p-4">
<div className="space-y-2">
<Label>Startdatum</Label>
<Controller
name="first_year_start"
control={control}
render={({ field }) => {
const currentYear = new Date().getFullYear()
const years = Array.from({ length: 7 }, (_, i) => currentYear - 5 + i)
const handleMonthChange = (month: number) => {
setStartMonth(month)
if (month && startYear) {
field.onChange(`${startYear}-${String(month).padStart(2, '0')}-01`)
}
}
const handleYearChange = (year: number) => {
setStartYear(year)
if (startMonth && year) {
field.onChange(`${year}-${String(startMonth).padStart(2, '0')}-01`)
}
}
return (
<div className="grid grid-cols-2 gap-2">
<Select
value={startMonth ? startMonth.toString() : ''}
onValueChange={(v) => handleMonthChange(parseInt(v))}
>
<SelectTrigger>
<SelectValue placeholder="Månad" />
</SelectTrigger>
<SelectContent>
{monthNames.map((name, i) => (
<SelectItem key={i + 1} value={(i + 1).toString()}>{name}</SelectItem>
))}
</SelectContent>
</Select>
<Select
value={startYear ? startYear.toString() : ''}
onValueChange={(v) => handleYearChange(parseInt(v))}
>
<SelectTrigger>
<SelectValue placeholder="År" />
</SelectTrigger>
<SelectContent>
{years.map((y) => (
<SelectItem key={y} value={y.toString()}>{y}</SelectItem>
))}
</SelectContent>
</Select>
</div>
)
}}
/>
<p className="text-xs text-muted-foreground">
Månaden verksamheten startade. Räkenskapsåret börjar alltid den 1:a.
</p>
</div>
{/* AB: end month selector */}
{!isEF && parsedStart && (
<div className="space-y-2">
<Label>Räkenskapsåret slutar (månad)</Label>
<Select
value={abEndMonth.toString()}
onValueChange={(v) => setAbEndMonth(parseInt(v))}
>
<SelectTrigger>
<SelectValue placeholder="Välj månad" />
</SelectTrigger>
<SelectContent>
{monthNames.map((name, i) => (
<SelectItem key={i + 1} value={(i + 1).toString()}>
{name}
</SelectItem>
))}
</SelectContent>
</Select>
</div>
)}
{/* End date selector (options depend on entity type + start) */}
{parsedStart && firstYearEndOptions.length > 0 && (
<div className="space-y-2">
<Label>Slutdatum</Label>
<Controller
name="first_year_end"
control={control}
render={({ field }) => (
<Select
value={field.value || ''}
onValueChange={field.onChange}
>
<SelectTrigger>
<SelectValue placeholder="Välj slutdatum" />
</SelectTrigger>
<SelectContent>
{firstYearEndOptions.map((opt) => (
<SelectItem key={opt.value} value={opt.value}>
{opt.label}
</SelectItem>
))}
</SelectContent>
</Select>
)}
/>
</div>
)}
{parsedStart && firstYearEndOptions.length === 0 && (
<p className="text-sm text-destructive">
Ingen giltig slutperiod hittades. Kontrollera startdatumet.
</p>
)}
{firstYearStart && firstYearEnd && (
<div className="rounded-lg border border-primary/20 bg-primary/5 p-4 space-y-1">
<div className="flex items-center gap-2 text-sm font-medium">
<CalendarDays className="h-4 w-4 text-primary" />
Ditt första räkenskapsår
</div>
<p className="text-sm text-muted-foreground">
{formatSwedishDate(firstYearStart)} &ndash; {formatSwedishDate(firstYearEnd)}
</p>
<p className="text-xs text-muted-foreground">
{monthsBetween(firstYearStart, firstYearEnd)} månader
</p>
</div>
)}
</div>
)}
{/* Ongoing fiscal year options */}
{!isFirstYear && (
<div className="space-y-2">
{isEF ? (
<div className="rounded-lg bg-muted/50 p-4">
<p className="text-sm font-medium">Kalenderår (januari-december)</p>
<p className="text-xs text-muted-foreground mt-1">
Enskild firma måste använda kalenderår enligt BFL 3 kap.
</p>
</div>
) : (
<div className="space-y-2">
<Label>När slutar företagets räkenskapsår?</Label>
<Controller
name="fiscal_year_end_month"
control={control}
render={({ field }) => (
<Select
value={field.value?.toString() || '12'}
onValueChange={(value) => field.onChange(parseInt(value))}
>
<SelectTrigger>
<SelectValue placeholder="Välj månad" />
</SelectTrigger>
<SelectContent>
{monthNames.map((name, i) => (
<SelectItem key={i + 1} value={(i + 1).toString()}>
{name}
</SelectItem>
))}
</SelectContent>
</Select>
)}
/>
<p className="text-sm text-muted-foreground">
De flesta har kalenderår (december). Brutet räkenskapsår slutar annan månad.
</p>
{fiscalYearEndMonth && (
<div className="mt-3 rounded-lg border border-primary/20 bg-primary/5 p-4 space-y-1">
<div className="flex items-center gap-2 text-sm font-medium">
<CalendarDays className="h-4 w-4 text-primary" />
Ditt räkenskapsår
</div>
<p className="text-sm text-muted-foreground">
{fiscalYearEndMonth === 12
? `1 januari \u2013 31 december (kalenderår)`
: `1 ${monthNames[fiscalYearEndMonth].toLowerCase()} \u2013 ${lastDayOfMonth(2025, fiscalYearEndMonth)} ${monthNames[fiscalYearEndMonth - 1].toLowerCase()}`}
</p>
<p className="text-xs text-muted-foreground">12 månader</p>
</div>
)}
</div>
)}
</div>
)}
</div>
{/* VAT section */}
<div className="pt-4 border-t space-y-4">
<h3 className="font-medium flex items-center gap-2">
<InfoTooltip
content={
<div className="space-y-2">
<p className="font-medium">Behöver jag momsregistrera mig?</p>
<p>Ja, om din omsättning överstiger 80 000 kr per år. Med moms lägger du 25% extra dina fakturor, men får också dra av moms dina inköp.</p>
<p className="text-xs text-muted-foreground">Om din omsättning överstiger 80 000 kr per år behöver du momsregistrera dig.</p>
</div>
}
side="right"
>
<span>Momsregistrering</span>
</InfoTooltip>
</h3>
<div className="flex items-start space-x-3">
<Controller
name="vat_registered"
control={control}
render={({ field }) => (
<Checkbox
id="vat_registered"
checked={field.value}
onCheckedChange={field.onChange}
/>
)}
/>
<div className="space-y-1">
<Label htmlFor="vat_registered" className="cursor-pointer">
Jag är momsregistrerad
</Label>
<p className="text-sm text-muted-foreground">
Obligatoriskt om din omsättning överstiger 80 000 kr per år.
</p>
</div>
</div>
{vatRegistered && (
<div className="space-y-4 pl-7">
<div className="space-y-2">
<Label htmlFor="vat_number">Momsregistreringsnummer</Label>
<Input
id="vat_number"
placeholder="SE123456789001"
{...register('vat_number')}
/>
<p className="text-xs text-muted-foreground">
Format: SE + organisationsnummer + 01
</p>
</div>
<div className="space-y-2">
<InfoTooltip
content={
<div className="space-y-2">
<p className="font-medium">Hur ofta rapporterar du moms?</p>
<p>Välj den period som anges Verksamt eller i ditt beslut från Skatteverket.</p>
<ul className="text-xs text-muted-foreground space-y-1">
<li>Under 1 miljon/år = Kan välja årsredovisning</li>
<li>1-40 miljoner = Kvartal</li>
<li>Över 40 miljoner = Månad</li>
</ul>
</div>
}
side="right"
>
<Label>Momsredovisningsperiod</Label>
</InfoTooltip>
<Controller
name="moms_period"
control={control}
render={({ field }) => (
<Select
value={field.value}
onValueChange={field.onChange}
>
<SelectTrigger>
<SelectValue placeholder="Välj period" />
</SelectTrigger>
<SelectContent>
<SelectItem value="monthly">Månad</SelectItem>
<SelectItem value="quarterly">Kvartal</SelectItem>
<SelectItem value="yearly">År</SelectItem>
</SelectContent>
</Select>
)}
/>
<p className="text-xs text-muted-foreground">
Välj den period som anges i ditt beslut från Skatteverket. Vanligtvis kvartal eller år.
</p>
</div>
</div>
)}
</div>
{/* Accounting method */}
<div className="pt-4 border-t space-y-4">
<div className="space-y-2">
<InfoTooltip
content="Faktureringsmetoden bokför intäkter och kostnader när fakturan skickas/mottas. Kontantmetoden bokför vid betalning."
side="right"
>
<Label>Bokföringsmetod</Label>
</InfoTooltip>
<Controller
name="accounting_method"
control={control}
render={({ field }) => (
<Select
value={field.value}
onValueChange={field.onChange}
>
<SelectTrigger>
<SelectValue placeholder="Välj metod" />
</SelectTrigger>
<SelectContent>
<SelectItem value="accrual">Faktureringsmetoden</SelectItem>
<SelectItem value="cash">Kontantmetoden</SelectItem>
</SelectContent>
</Select>
)}
/>
<div className="rounded-lg border bg-muted/50 p-4 space-y-2">
<div className="flex items-center gap-2 text-sm font-medium">
<Info className="h-4 w-4 text-muted-foreground" />
{accountingMethod === 'accrual' ? 'Faktureringsmetoden' : 'Kontantmetoden'}
</div>
<p className="text-sm text-muted-foreground">
{accountingMethod === 'accrual'
? 'Intäkter och kostnader bokförs när fakturan skickas eller tas emot, oavsett när betalningen sker. Detta ger en mer rättvisande bild av verksamhetens ekonomi.'
: 'Intäkter och kostnader bokförs först när betalningen faktiskt sker. Enklare att hantera men ger en mindre exakt bild av verksamhetens ekonomi vid varje given tidpunkt.'}
</p>
{entityType === 'aktiebolag' && (
<p className="text-xs text-amber-700 bg-amber-50 rounded px-2 py-1">
Aktiebolag med omsättning över 3 MSEK per år måste använda faktureringsmetoden.
</p>
)}
</div>
</div>
</div>
<div className="flex justify-between pt-4">
<Button
type="button"
variant="ghost"
onClick={onBack}
disabled={isSaving}
>
<ArrowLeft className="mr-2 h-4 w-4" />
Tillbaka
</Button>
<Button type="submit" disabled={isSaving}>
{isSaving ? (
<>
<Loader2 className="mr-2 h-4 w-4 animate-spin" />
Sparar...
</>
) : (
<>
Fortsätt
<ArrowRight className="ml-2 h-4 w-4" />
</>
)}
</Button>
</div>
</form>
</CardContent>
</Card>
</div>
)
}