feat(borç): borç takibi ekranları (Panel kartı, /borc, /taksitler)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-14 04:40:51 +03:00
parent 11402ba660
commit c063186e80
18 changed files with 1490 additions and 6 deletions
@@ -0,0 +1,81 @@
+import { describe, expect, it } from 'vitest'
+import {
+  debtSeries,
+  debtTotal,
+  installmentLoad,
+  monthEnd,
+  monthIndex,
+  monthName,
+  remainingAfter,
+} from './debt'
+
+// Kaynak belgedeki 8 taksit (paidCount Kasım 2026 itibarıyla → ilk ay = Kasım − paid + 1)
+const nov = monthIndex('2026-11')!
+const plans = (
+  [
+    [271_761, 7, 5],
+    [33_324, 9, 5],
+    [11_945, 7, 5],
+    [12_717, 7, 4],
+    [17_067, 7, 3],
+    [7_428, 7, 3],
+    [18_202, 7, 2],
+    [58_738, 3, 2],
+  ] as const
+).map(([monthly_amount, total_count, paid]) => ({
+  monthly_amount,
+  total_count,
+  first_month: monthName(nov - paid + 1),
+}))
+
+describe('debt (backend ile aynı, kabul rakamları)', () => {
+  it('totals', () => {
+    expect(
+      debtTotal({
+        kmh: 0,
+        positive_balance: 236_311,
+        card_balance: 6_671_590,
+        remaining_installments: 1_417_769,
+      }),
+    ).toBe(7_853_048)
+    expect(
+      debtTotal({
+        kmh: 3_926_444,
+        positive_balance: 0,
+        card_balance: 2_994_854,
+        remaining_installments: 986_587,
+      }),
+    ).toBe(7_907_885)
+  })
+
+  it('installment loads and remaining', () => {
+    const loads = ['2026-11', '2026-12', '2027-01', '2027-02', '2027-03', '2027-04'].map((m) =>
+      installmentLoad(plans, monthIndex(m)!),
+    )
+    expect(loads).toEqual([431_182, 431_182, 372_444, 88_738, 76_021, 18_202])
+    expect(remainingAfter(plans, monthIndex('2026-10')!)).toBe(1_417_769)
+    expect(remainingAfter(plans, nov)).toBe(986_587)
+  })
+
+  it('months', () => {
+    expect(monthName(monthIndex('2026-12')! + 1)).toBe('2027-01')
+    expect(monthIndex('2026-13')).toBeNull()
+    expect(monthEnd('2026-11')).toBe('2026-11-30')
+    expect(monthEnd('2028-02')).toBe('2028-02-29')
+  })
+
+  it('chart series: actual + target from the first snapshot', () => {
+    const s = debtSeries(
+      [
+        { date: '2026-11-13', total: 7_907_885 },
+        { date: '2026-10-31', total: 7_853_048 },
+      ],
+      [{ month: '2026-11', closing_target: 6_699_500 }],
+    )
+    expect(s.map((p) => [p.date, p.actual, p.target])).toEqual([
+      ['2026-10-31', 7_853_048, 7_853_048],
+      ['2026-11-13', 7_907_885, undefined],
+      ['2026-11-30', undefined, 6_699_500],
+    ])
+  })
+})