feat: implement variant1 (1 fr+so + 3 weekday, fr-priority)

test-suite.js

@@ -671,6 +671,69 @@ runner.test('variant3: threshold-Shape ist {pool: 2} normal, {pool: 1} im Urlaub
     t.assertEqual(r2.threshold.pool, 1, 'vacation pool=1');
 });
 
+// ============================================================================
+// Variants - variant1 (1 fr+so + 3 weekday)
+// ============================================================================
+
+runner.test('variant1: Schwelle nicht erreicht (fr+so=0)', (t) => {
+    const r = variant1({ fr: 0, sa: 5, so: 0, weekday: 3 }, false);
+    t.assertFalse(r.eligible, 'eligible=false');
+    t.assertEqual(r.bonus, 0, 'bonus=0');
+});
+
+runner.test('variant1: Schwelle nicht erreicht (weekday<3)', (t) => {
+    const r = variant1({ fr: 1, sa: 5, so: 0, weekday: 2 }, false);
+    t.assertFalse(r.eligible, 'eligible=false');
+    t.assertEqual(r.bonus, 0, 'bonus=0');
+});
+
+runner.test('variant1: Spec-Beispiel fr=2,sa=1,so=0,weekday=4 -> 1150', (t) => {
+    const r = variant1({ fr: 2, sa: 1, so: 0, weekday: 4 }, false);
+    t.assertTrue(r.eligible, 'eligible=true');
+    t.assertEqual(r.deduction.fr, 1, 'fr-deduction=1 (Fr-Prio)');
+    t.assertEqual(r.deduction.so, 0, 'so-deduction=0');
+    t.assertEqual(r.deduction.sa, 0, 'sa nicht abgezogen');
+    t.assertEqual(r.deduction.weekday, 3, 'weekday-deduction=3');
+    t.assertEqual(r.paidShares.fr, 1, 'fr-paid=1');
+    t.assertEqual(r.paidShares.sa, 1, 'sa-paid=1');
+    t.assertEqual(r.paidShares.so, 0, 'so-paid=0');
+    t.assertEqual(r.paidShares.weekday, 1, 'weekday-paid=1');
+    t.assertEqual(r.bonus, 1150, 'bonus = (1+1+0)*450 + 1*250 = 1150');
+});
+
+runner.test('variant1: nur so vorhanden -> 1 von so abgezogen', (t) => {
+    const r = variant1({ fr: 0, sa: 0, so: 1, weekday: 3 }, false);
+    t.assertTrue(r.eligible, 'eligible=true');
+    t.assertEqual(r.deduction.fr, 0, 'fr-deduction=0');
+    t.assertEqual(r.deduction.so, 1, 'so-deduction=1');
+    t.assertEqual(r.deduction.weekday, 3, 'weekday-deduction=3');
+    t.assertEqual(r.bonus, 0, 'bonus=0');
+});
+
+runner.test('variant1: sa wird voll bezahlt, nicht abgezogen', (t) => {
+    const r = variant1({ fr: 1, sa: 2, so: 0, weekday: 3 }, false);
+    t.assertEqual(r.deduction.sa, 0, 'sa-deduction=0');
+    t.assertEqual(r.paidShares.sa, 2, 'sa-paid=2');
+    // bonus = (0+2+0)*450 + 0*250 = 900
+    t.assertEqual(r.bonus, 900, 'bonus=900');
+});
+
+runner.test('variant1: Urlaubsmodus halbiert Schwellen (0.5 + 1.5)', (t) => {
+    const r = variant1({ fr: 0.5, sa: 0, so: 0, weekday: 1.5 }, true);
+    t.assertTrue(r.eligible, 'eligible=true im Urlaub');
+    t.assertEqual(r.threshold.frSo, 0.5, 'threshold.frSo=0.5');
+    t.assertEqual(r.threshold.weekday, 1.5, 'threshold.weekday=1.5');
+    t.assertEqual(r.deduction.fr, 0.5, 'fr-deduction=0.5');
+    t.assertEqual(r.deduction.weekday, 1.5, 'weekday-deduction=1.5');
+    t.assertEqual(r.bonus, 0, 'bonus=0');
+});
+
+runner.test('variant1: threshold-Shape normal {frSo:1, weekday:3}', (t) => {
+    const r = variant1({ fr: 1, sa: 0, so: 0, weekday: 3 }, false);
+    t.assertEqual(r.threshold.frSo, 1, 'threshold.frSo=1');
+    t.assertEqual(r.threshold.weekday, 3, 'threshold.weekday=3');
+});
+
 // ============================================================================
 // Display Functions
 // ============================================================================

variants.js

@@ -34,7 +34,58 @@ function classifyDuties(duties, holidayProvider) {
 }
 
 function variant1(classified, isVacation) {
-    throw new Error('variant1: not implemented');
+    const RATE_NORMAL  = 250;
+    const RATE_WEEKEND = 450;
+    const frSoThreshold    = isVacation ? 0.5 : 1;
+    const weekdayThreshold = isVacation ? 1.5 : 3;
+    const frSoDeduction    = isVacation ? 0.5 : 1;
+    const weekdayDeduction = isVacation ? 1.5 : 3;
+
+    const frSoPool = classified.fr + classified.so;
+    const eligible = (frSoPool >= frSoThreshold - 1e-9)
+                  && (classified.weekday >= weekdayThreshold - 1e-9);
+
+    if (!eligible) {
+        return {
+            variantId: 1,
+            eligible: false,
+            threshold: { frSo: frSoThreshold, weekday: weekdayThreshold },
+            deduction: { fr: 0, sa: 0, so: 0, weekday: 0 },
+            paidShares: { fr: 0, sa: 0, so: 0, weekday: 0 },
+            bonus: 0,
+            isWinner: false
+        };
+    }
+
+    // Friday priority within fr+so pool: fr first, then so
+    let remaining = frSoDeduction;
+    const deduction = { fr: 0, sa: 0, so: 0, weekday: weekdayDeduction };
+    for (const slot of ['fr', 'so']) {
+        const take = Math.min(remaining, classified[slot]);
+        deduction[slot] = take;
+        remaining -= take;
+        if (remaining <= 1e-9) break;
+    }
+
+    const paidShares = {
+        fr:      Math.max(0, classified.fr      - deduction.fr),
+        sa:      classified.sa, // sa never deducted in V1
+        so:      Math.max(0, classified.so      - deduction.so),
+        weekday: Math.max(0, classified.weekday - deduction.weekday)
+    };
+
+    const bonus = (paidShares.fr + paidShares.sa + paidShares.so) * RATE_WEEKEND
+                + paidShares.weekday * RATE_NORMAL;
+
+    return {
+        variantId: 1,
+        eligible: true,
+        threshold: { frSo: frSoThreshold, weekday: weekdayThreshold },
+        deduction,
+        paidShares,
+        bonus,
+        isWinner: false
+    };
 }
 
 function variant2(classified, isVacation) {