Emil
657 lines
25 KiB
TypeScript
657 lines
25 KiB
TypeScript
'use client'
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import { useState, useEffect, useMemo, useCallback } from 'react'
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import type { WorkspaceComponentProps } from '@/lib/extensions/workspace-registry'
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import { useMockData } from '@/lib/extensions/use-mock-data'
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import ExtensionLoadingSkeleton from '@/components/extensions/shared/ExtensionLoadingSkeleton'
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import MockDataBanner from '@/components/extensions/shared/MockDataBanner'
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import MockDataImportDialog from '@/components/extensions/shared/MockDataImportDialog'
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import type { CsvFieldDef } from '@/components/extensions/shared/MockDataImportDialog'
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import KPICard from '@/components/extensions/shared/KPICard'
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import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
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import { Badge } from '@/components/ui/badge'
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import { Button } from '@/components/ui/button'
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import {
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Select, SelectContent, SelectItem, SelectTrigger, SelectValue,
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} from '@/components/ui/select'
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import {
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Table, TableBody, TableCell, TableHead, TableHeader, TableRow,
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} from '@/components/ui/table'
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import {
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AlertTriangle, CheckCircle2, ChevronDown, ChevronUp,
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ArrowUp, ArrowDown, Minus, BarChart3, FlaskConical,
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} from 'lucide-react'
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import { cn } from '@/lib/utils'
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// ── Types ─────────────────────────────────────────────────────
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interface VatBoxData {
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boxNumber: string
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label: string
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amount: number
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accounts: string[]
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}
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interface RevenueBreakdown {
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domestic: { amount: number; percentage: number }
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euGoods: { amount: number; percentage: number }
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euServices: { amount: number; percentage: number }
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exportGoods: { amount: number; percentage: number }
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exportServices: { amount: number; percentage: number }
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triangular: { amount: number; percentage: number }
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totalRevenue: number
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}
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interface PeriodDelta {
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current: number
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previous: number
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change: number
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changePercent: number | null
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}
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interface PeriodComparison {
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domestic: PeriodDelta
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euGoods: PeriodDelta
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euServices: PeriodDelta
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exportGoods: PeriodDelta
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exportServices: PeriodDelta
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triangular: PeriodDelta
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totalRevenue: PeriodDelta
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netVat: PeriodDelta
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}
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interface VatMonitorWarning {
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type: string
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severity: 'error' | 'warning'
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invoiceId?: string
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invoiceNumber?: string
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customerName?: string
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message: string
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}
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interface ReportData {
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period: { year: number; month?: number; quarter?: number }
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boxes: VatBoxData[]
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revenueBreakdown: RevenueBreakdown
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vatSummary: {
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outputVat25: number
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outputVat12: number
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outputVat6: number
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totalOutputVat: number
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inputVat: number
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netVat: number
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isRefund: boolean
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}
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warnings: VatMonitorWarning[]
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comparison: PeriodComparison | null
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}
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// ── Helpers ───────────────────────────────────────────────────
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function formatSEK(amount: number): string {
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return Math.round(amount).toLocaleString('sv-SE')
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}
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const MONTHS = [
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'Januari', 'Februari', 'Mars', 'April', 'Maj', 'Juni',
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'Juli', 'Augusti', 'September', 'Oktober', 'November', 'December',
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]
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const QUARTERS = ['Q1 (jan–mar)', 'Q2 (apr–jun)', 'Q3 (jul–sep)', 'Q4 (okt–dec)']
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function currentYear(): number {
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return new Date().getFullYear()
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}
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function currentMonth(): number {
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return new Date().getMonth() + 1
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}
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function currentQuarter(): number {
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return Math.ceil(currentMonth() / 3)
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}
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// Revenue breakdown cards config
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const REVENUE_CARDS: { key: keyof Omit<RevenueBreakdown, 'totalRevenue'>; label: string; compKey: keyof PeriodComparison }[] = [
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{ key: 'domestic', label: 'Inrikes', compKey: 'domestic' },
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{ key: 'euGoods', label: 'EU varor', compKey: 'euGoods' },
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{ key: 'euServices', label: 'EU tjänster', compKey: 'euServices' },
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{ key: 'exportGoods', label: 'Export varor', compKey: 'exportGoods' },
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{ key: 'exportServices', label: 'Export tjänster', compKey: 'exportServices' },
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{ key: 'triangular', label: 'Trepartshandel', compKey: 'triangular' },
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]
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// Box display order (only show relevant ones)
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const DISPLAY_BOX_ORDER = ['05', '10', '11', '12', '35', '36', '38', '39', '40', '48', '49']
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// ── Mock Data Config ──────────────────────────────────────────
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const MOCK_CSV_FIELDS: CsvFieldDef[] = [
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{ key: 'boxNumber', label: 'Ruta', required: true },
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{ key: 'label', label: 'Beskrivning', required: true },
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{ key: 'amount', label: 'Belopp (SEK)', required: true },
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{ key: 'accounts', label: 'Konton (kommaseparerade)' },
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]
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const MOCK_CSV_TEMPLATE = `boxNumber;label;amount;accounts
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05;Momspliktiga intäkter;500000;3001,3002,3003
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10;Utgående moms 25%;100000;2611
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11;Utgående moms 12%;6000;2621
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12;Utgående moms 6%;3000;2631
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35;Varuförsäljning EU;75000;3305
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36;Tjänsteförsäljning EU;45000;3308
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38;Exportförsäljning;30000;3305
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39;Omvänd skattskyldighet;20000;
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40;Inköp varor EU;60000;
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48;Ingående moms;65000;2641
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49;Moms att betala;44000;`
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function parseMockCsvRows(rows: Record<string, string>[]): ReportData {
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const boxes: VatBoxData[] = rows.map(r => ({
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boxNumber: r.boxNumber || '',
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label: r.label || '',
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amount: parseFloat(r.amount || '0') || 0,
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accounts: r.accounts ? r.accounts.split(',').map(a => a.trim()) : [],
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}))
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// Derive revenue breakdown from box values
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const getBox = (num: string) => boxes.find(b => b.boxNumber === num)?.amount || 0
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const domestic = getBox('05')
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const euGoods = getBox('35')
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const euServices = getBox('36')
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const exportGoods = getBox('38')
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const exportServices = 0
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const triangular = getBox('39')
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const totalRevenue = domestic + euGoods + euServices + exportGoods + exportServices + triangular
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const revenueBreakdown: RevenueBreakdown = {
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domestic: { amount: domestic, percentage: totalRevenue > 0 ? Math.round(domestic / totalRevenue * 100) : 0 },
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euGoods: { amount: euGoods, percentage: totalRevenue > 0 ? Math.round(euGoods / totalRevenue * 100) : 0 },
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euServices: { amount: euServices, percentage: totalRevenue > 0 ? Math.round(euServices / totalRevenue * 100) : 0 },
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exportGoods: { amount: exportGoods, percentage: totalRevenue > 0 ? Math.round(exportGoods / totalRevenue * 100) : 0 },
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exportServices: { amount: exportServices, percentage: 0 },
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triangular: { amount: triangular, percentage: totalRevenue > 0 ? Math.round(triangular / totalRevenue * 100) : 0 },
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totalRevenue,
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}
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const outputVat25 = getBox('10')
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const outputVat12 = getBox('11')
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const outputVat6 = getBox('12')
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const inputVat = getBox('48')
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const netVat = getBox('49')
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return {
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period: { year: new Date().getFullYear(), month: new Date().getMonth() + 1 },
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boxes,
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revenueBreakdown,
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vatSummary: {
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outputVat25,
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outputVat12,
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outputVat6,
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totalOutputVat: outputVat25 + outputVat12 + outputVat6,
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inputVat,
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netVat,
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isRefund: netVat < 0,
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},
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warnings: [],
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comparison: null,
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}
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}
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function validateMockReport(data: unknown): { valid: boolean; error?: string } {
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if (!data || typeof data !== 'object') return { valid: false, error: 'Data måste vara ett objekt' }
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const obj = data as Record<string, unknown>
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if (!Array.isArray(obj.boxes)) return { valid: false, error: 'Fältet "boxes" saknas eller är inte en array' }
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if (!obj.revenueBreakdown || typeof obj.revenueBreakdown !== 'object') {
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return { valid: false, error: 'Fältet "revenueBreakdown" saknas' }
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}
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if (!obj.vatSummary || typeof obj.vatSummary !== 'object') {
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return { valid: false, error: 'Fältet "vatSummary" saknas' }
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}
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return { valid: true }
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}
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// ── Component ─────────────────────────────────────────────────
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export default function VatMonitorWorkspace({ userId }: WorkspaceComponentProps) {
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void userId
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// Mock data
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const { mockReport, isMockActive, isLoading: mockLoading, importedAt, saveMockData, clearMockData } = useMockData<ReportData>('export', 'vat-monitor')
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const [importDialogOpen, setImportDialogOpen] = useState(false)
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const [year, setYear] = useState(currentYear())
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const [periodType, setPeriodType] = useState<'monthly' | 'quarterly'>('monthly')
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const [month, setMonth] = useState(currentMonth())
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const [quarter, setQuarter] = useState(currentQuarter())
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const [compareEnabled, setCompareEnabled] = useState(true)
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const [report, setReport] = useState<ReportData | null>(null)
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const [isLoading, setIsLoading] = useState(true)
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const [error, setError] = useState<string | null>(null)
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const [warningsExpanded, setWarningsExpanded] = useState(false)
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const years = useMemo(() => {
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const cy = currentYear()
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return [cy, cy - 1, cy - 2]
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}, [])
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const fetchReport = useCallback(async () => {
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if (isMockActive && mockReport) {
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setReport(mockReport)
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setIsLoading(false)
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return
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}
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setIsLoading(true)
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setError(null)
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const params = new URLSearchParams({ year: String(year) })
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if (periodType === 'monthly') {
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params.set('month', String(month))
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} else {
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params.set('quarter', String(quarter))
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}
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if (compareEnabled) {
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params.set('compare', 'previous')
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}
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try {
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const res = await fetch(`/api/extensions/export/vat-monitor/report?${params}`)
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if (!res.ok) {
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const json = await res.json()
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setError(json.error || 'Kunde inte generera rapporten')
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setReport(null)
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return
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}
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const json = await res.json()
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setReport(json.data)
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} catch {
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setError('Nätverksfel — kunde inte hämta rapporten')
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setReport(null)
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} finally {
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setIsLoading(false)
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}
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}, [year, month, quarter, periodType, compareEnabled, isMockActive, mockReport])
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useEffect(() => {
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fetchReport()
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}, [fetchReport])
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const handleMockImport = useCallback(async (data: ReportData, meta: { source: 'csv' | 'json'; fileName: string; rowCount: number }) => {
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await saveMockData(data, meta)
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setReport(data)
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}, [saveMockData])
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const handleMockClear = useCallback(async () => {
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await clearMockData()
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setReport(null)
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setIsLoading(true)
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setError(null)
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const params = new URLSearchParams({ year: String(year) })
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if (periodType === 'monthly') {
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params.set('month', String(month))
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} else {
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params.set('quarter', String(quarter))
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}
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if (compareEnabled) {
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params.set('compare', 'previous')
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}
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try {
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const res = await fetch(`/api/extensions/export/vat-monitor/report?${params}`)
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if (res.ok) {
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const json = await res.json()
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setReport(json.data)
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}
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} catch { /* ignore */ }
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setIsLoading(false)
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}, [clearMockData, year, month, quarter, periodType, compareEnabled])
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const errorCount = report?.warnings.filter(w => w.severity === 'error').length ?? 0
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const warningCount = report?.warnings.filter(w => w.severity === 'warning').length ?? 0
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// Filter boxes to only show ones in display order that have data or are always shown
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const displayBoxes = useMemo(() => {
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if (!report) return []
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const boxMap = new Map(report.boxes.map(b => [b.boxNumber, b]))
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return DISPLAY_BOX_ORDER
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.map(num => boxMap.get(num))
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.filter((b): b is VatBoxData => b !== undefined)
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}, [report])
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if ((isLoading || mockLoading) && !report) {
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return <ExtensionLoadingSkeleton />
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}
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return (
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<div className="space-y-6">
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{/* ── Period Selector ─────────────────────────────────── */}
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<div className="flex flex-wrap items-end gap-3">
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<div className="space-y-1.5">
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<label className="text-xs font-medium text-muted-foreground">År</label>
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<Select value={String(year)} onValueChange={v => setYear(parseInt(v, 10))}>
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<SelectTrigger className="w-[100px]">
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<SelectValue />
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</SelectTrigger>
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<SelectContent>
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{years.map(y => (
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<SelectItem key={y} value={String(y)}>{y}</SelectItem>
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))}
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</SelectContent>
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</Select>
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</div>
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<div className="space-y-1.5">
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<label className="text-xs font-medium text-muted-foreground">Periodtyp</label>
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<Select value={periodType} onValueChange={v => setPeriodType(v as 'monthly' | 'quarterly')}>
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<SelectTrigger className="w-[130px]">
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<SelectValue />
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</SelectTrigger>
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<SelectContent>
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<SelectItem value="monthly">Månad</SelectItem>
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<SelectItem value="quarterly">Kvartal</SelectItem>
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</SelectContent>
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</Select>
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</div>
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<div className="space-y-1.5">
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<label className="text-xs font-medium text-muted-foreground">
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{periodType === 'monthly' ? 'Månad' : 'Kvartal'}
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</label>
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{periodType === 'monthly' ? (
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<Select value={String(month)} onValueChange={v => setMonth(parseInt(v, 10))}>
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<SelectTrigger className="w-[150px]">
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<SelectValue />
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</SelectTrigger>
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<SelectContent>
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{MONTHS.map((name, i) => (
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<SelectItem key={i + 1} value={String(i + 1)}>{name}</SelectItem>
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))}
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</SelectContent>
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</Select>
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) : (
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<Select value={String(quarter)} onValueChange={v => setQuarter(parseInt(v, 10))}>
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<SelectTrigger className="w-[150px]">
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<SelectValue />
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</SelectTrigger>
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<SelectContent>
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{QUARTERS.map((name, i) => (
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<SelectItem key={i + 1} value={String(i + 1)}>{name}</SelectItem>
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))}
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</SelectContent>
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</Select>
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)}
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</div>
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<div className="flex gap-2 ml-auto">
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<Button
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variant="outline"
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size="sm"
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onClick={() => setImportDialogOpen(true)}
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>
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<FlaskConical className="h-4 w-4 mr-1.5" />
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Importera testdata
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</Button>
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<Button
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variant={compareEnabled ? 'default' : 'outline'}
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size="sm"
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onClick={() => setCompareEnabled(!compareEnabled)}
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>
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<BarChart3 className="h-4 w-4 mr-1.5" />
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{compareEnabled ? 'Jämförelse på' : 'Jämför perioder'}
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</Button>
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</div>
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</div>
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{/* ── Mock Data Banner ──────────────────────────────── */}
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{isMockActive && (
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<MockDataBanner
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importedAt={importedAt}
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onClear={handleMockClear}
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onReplace={() => setImportDialogOpen(true)}
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/>
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)}
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{/* ── Error state ────────────────────────────────────── */}
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{error && (
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<Card className="border-destructive/50 bg-destructive/5">
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<CardContent className="pt-6">
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<p className="text-sm text-destructive">{error}</p>
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</CardContent>
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</Card>
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)}
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{report && (
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<>
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{/* ── Revenue Breakdown Cards ──────────────────────── */}
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<div>
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<h3 className="text-sm font-medium text-muted-foreground mb-3">Intäktsfördelning</h3>
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<div className="grid grid-cols-2 sm:grid-cols-3 lg:grid-cols-6 gap-3">
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{REVENUE_CARDS.map(({ key, label, compKey }) => {
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const data = report.revenueBreakdown[key]
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const delta = report.comparison?.[compKey]
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return (
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<Card key={key} className={cn(data.amount === 0 && 'opacity-50')}>
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<CardContent className="pt-4 pb-3 px-4">
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<p className="text-xs text-muted-foreground truncate">{label}</p>
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<p className="text-lg font-semibold tabular-nums mt-0.5">
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{formatSEK(data.amount)}
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</p>
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<div className="flex items-center justify-between mt-1">
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<span className="text-xs text-muted-foreground">
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{data.percentage}%
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</span>
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{delta && <DeltaIndicator delta={delta} />}
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</div>
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</CardContent>
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</Card>
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)
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})}
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</div>
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</div>
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{/* ── VAT Summary + Moms Box Table ─────────────────── */}
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<div className="grid grid-cols-1 lg:grid-cols-3 gap-4">
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{/* VAT Summary cards */}
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<div className="space-y-3">
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<h3 className="text-sm font-medium text-muted-foreground">Moms</h3>
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<KPICard
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label="Utgående moms"
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value={formatSEK(report.vatSummary.totalOutputVat)}
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suffix="SEK"
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/>
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<KPICard
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label="Ingående moms"
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value={formatSEK(report.vatSummary.inputVat)}
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suffix="SEK"
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/>
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<Card className={cn(
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report.vatSummary.isRefund ? 'border-green-200 bg-green-50/50 dark:border-green-900 dark:bg-green-950/30' : ''
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)}>
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<CardContent className="pt-6">
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<p className="text-sm text-muted-foreground">
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{report.vatSummary.isRefund ? 'Moms att få tillbaka' : 'Moms att betala'}
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</p>
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<div className="flex items-baseline gap-1 mt-1">
|
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<span className={cn(
|
||
'text-2xl font-semibold tracking-tight',
|
||
report.vatSummary.isRefund && 'text-green-700 dark:text-green-400'
|
||
)}>
|
||
{formatSEK(Math.abs(report.vatSummary.netVat))}
|
||
</span>
|
||
<span className="text-sm text-muted-foreground">SEK</span>
|
||
</div>
|
||
{report.comparison && (
|
||
<div className="mt-1">
|
||
<DeltaIndicator delta={report.comparison.netVat} invert />
|
||
</div>
|
||
)}
|
||
</CardContent>
|
||
</Card>
|
||
</div>
|
||
|
||
{/* Momsdeklaration preview table */}
|
||
<div className="lg:col-span-2">
|
||
<h3 className="text-sm font-medium text-muted-foreground mb-3">
|
||
Momsdeklaration (förhandsvisning)
|
||
</h3>
|
||
<Card>
|
||
<CardContent className="p-0">
|
||
<Table>
|
||
<TableHeader>
|
||
<TableRow>
|
||
<TableHead className="w-16">Ruta</TableHead>
|
||
<TableHead>Beskrivning</TableHead>
|
||
<TableHead className="text-right w-36">Belopp (SEK)</TableHead>
|
||
</TableRow>
|
||
</TableHeader>
|
||
<TableBody>
|
||
{displayBoxes.map(box => {
|
||
const isNetVat = box.boxNumber === '49'
|
||
const isInputVat = box.boxNumber === '48'
|
||
return (
|
||
<TableRow
|
||
key={box.boxNumber}
|
||
className={cn(isNetVat && 'font-medium border-t-2')}
|
||
>
|
||
<TableCell>
|
||
<Badge
|
||
variant={isNetVat ? 'default' : isInputVat ? 'secondary' : 'outline'}
|
||
className="font-mono text-xs"
|
||
>
|
||
{box.boxNumber}
|
||
</Badge>
|
||
</TableCell>
|
||
<TableCell className="text-sm">{box.label}</TableCell>
|
||
<TableCell className="text-right font-mono text-sm tabular-nums">
|
||
{formatSEK(box.amount)}
|
||
</TableCell>
|
||
</TableRow>
|
||
)
|
||
})}
|
||
{displayBoxes.length === 0 && (
|
||
<TableRow>
|
||
<TableCell colSpan={3} className="text-center text-muted-foreground py-8">
|
||
Ingen bokföringsdata för perioden.
|
||
</TableCell>
|
||
</TableRow>
|
||
)}
|
||
</TableBody>
|
||
</Table>
|
||
</CardContent>
|
||
</Card>
|
||
</div>
|
||
</div>
|
||
|
||
{/* ── Warnings ─────────────────────────────────────── */}
|
||
{report.warnings.length > 0 && (
|
||
<Card className={cn(
|
||
'border-l-4',
|
||
errorCount > 0 ? 'border-l-destructive' : 'border-l-warning'
|
||
)}>
|
||
<CardContent className="pt-6">
|
||
<button
|
||
className="flex items-center gap-2 w-full text-left"
|
||
onClick={() => setWarningsExpanded(!warningsExpanded)}
|
||
>
|
||
<AlertTriangle className={cn(
|
||
'h-4 w-4 shrink-0',
|
||
errorCount > 0 ? 'text-destructive' : 'text-warning-foreground'
|
||
)} />
|
||
<span className="text-sm font-medium flex-1">
|
||
{errorCount > 0 && (
|
||
<span className="text-destructive">{errorCount} fel</span>
|
||
)}
|
||
{errorCount > 0 && warningCount > 0 && ', '}
|
||
{warningCount > 0 && (
|
||
<span className="text-warning-foreground">{warningCount} varningar</span>
|
||
)}
|
||
</span>
|
||
{warningsExpanded
|
||
? <ChevronUp className="h-4 w-4 text-muted-foreground" />
|
||
: <ChevronDown className="h-4 w-4 text-muted-foreground" />
|
||
}
|
||
</button>
|
||
|
||
{warningsExpanded && (
|
||
<div className="mt-4 space-y-2">
|
||
{report.warnings.map((w, i) => (
|
||
<div
|
||
key={i}
|
||
className={cn(
|
||
'flex items-start gap-2 text-sm py-2 px-3 rounded-md',
|
||
w.severity === 'error'
|
||
? 'bg-destructive/5 text-destructive'
|
||
: 'bg-warning/10 text-warning-foreground'
|
||
)}
|
||
>
|
||
<AlertTriangle className="h-3.5 w-3.5 mt-0.5 shrink-0" />
|
||
<span>{w.message}</span>
|
||
</div>
|
||
))}
|
||
</div>
|
||
)}
|
||
</CardContent>
|
||
</Card>
|
||
)}
|
||
|
||
{/* ── Total Revenue Footer ─────────────────────────── */}
|
||
<div className="flex items-center justify-between text-xs text-muted-foreground px-1">
|
||
<span>
|
||
Total omsättning: {formatSEK(report.revenueBreakdown.totalRevenue)} SEK
|
||
</span>
|
||
<span>
|
||
{report.period.year}
|
||
{report.period.month !== undefined && `, ${MONTHS[report.period.month - 1]}`}
|
||
{report.period.quarter !== undefined && `, ${QUARTERS[report.period.quarter - 1]}`}
|
||
</span>
|
||
</div>
|
||
</>
|
||
)}
|
||
|
||
{/* ── Mock Data Import Dialog ───────────────────────── */}
|
||
<MockDataImportDialog<ReportData>
|
||
open={importDialogOpen}
|
||
onOpenChange={setImportDialogOpen}
|
||
csvFields={MOCK_CSV_FIELDS}
|
||
parseCsvRows={parseMockCsvRows}
|
||
validateReport={validateMockReport}
|
||
templateCsvContent={MOCK_CSV_TEMPLATE}
|
||
templateFileName="vat-monitor-template.csv"
|
||
onImport={handleMockImport}
|
||
/>
|
||
</div>
|
||
)
|
||
}
|
||
|
||
// ── Sub-components ────────────────────────────────────────────
|
||
|
||
function DeltaIndicator({ delta, invert = false }: { delta: PeriodDelta; invert?: boolean }) {
|
||
if (delta.changePercent === null || delta.change === 0) {
|
||
return (
|
||
<span className="inline-flex items-center gap-0.5 text-xs text-muted-foreground">
|
||
<Minus className="h-3 w-3" />
|
||
</span>
|
||
)
|
||
}
|
||
|
||
// For most metrics, positive = green (revenue growing)
|
||
// For netVat (invert=true), positive = red (paying more VAT)
|
||
const isPositive = delta.change > 0
|
||
const isGood = invert ? !isPositive : isPositive
|
||
|
||
return (
|
||
<span className={cn(
|
||
'inline-flex items-center gap-0.5 text-xs',
|
||
isGood ? 'text-green-600' : 'text-red-600'
|
||
)}>
|
||
{isPositive
|
||
? <ArrowUp className="h-3 w-3" />
|
||
: <ArrowDown className="h-3 w-3" />
|
||
}
|
||
<span>{delta.changePercent > 0 ? '+' : ''}{delta.changePercent}%</span>
|
||
</span>
|
||
)
|
||
}
|