Fix the Holidays in French speaking Switzerland (#217)

* correct Geneva holidays
using Art. 32 from https://silgeneve.ch/legis/index.aspx as reference

* add missing Vaud (Switzerland) holiday

* add missing Neuchatel (Switzerland) holidays
reference: https://www.ne.ch/themes/travail/Pages/jours-feries.aspx

* add french translations to missing holidays

* correct the Holidays for Fribourg (Switzerland) and add a special locale for the reformed part of Fribourg because it has different holidays
source: https://www.fr.ch/travail-et-entreprises/employes/jours-feries

* Add missing Italian translations for swiss holidays

* Add the new regions to the REGIONS array

* Tests and add 2 more missing holidays (CH)

lang/switzerland/fr/holidays.json

@@ -1,7 +1,9 @@
 {
     "Neujahr": "Nouvel An",
+    "Neujahrs nächster tag": "Lendemain du Nouvel An",
     "Berchtoldstag": "Saint-Berthold",
     "Heilige Drei Könige": "Épiphanie",
+    "Neuenburger Republik tag": "Instauration de la République de Neuchâtel",
     "Josefstag": "Saint-Joseph",
     "Karfreitag": "Vendredi saint",
     "Ostermontag": "Lundi de Pâques",
@@ -10,10 +12,15 @@
     "Pfingstmontag": "Lundi de Pentecôte",
     "Fronleichnam": "Fête-Dieu",
     "Bundesfeier": "Fête nationale",
+    "Bundesfeier nächster tag": "Lendemain de la Fête nationale",
     "Maria Himmelfahrt": "Assomption",
+    "Genfer Fasten": "Jeûne genevois",
     "Buss- und Bettag": "Jeûne fédéral",
+    "Buss- und Bettag Montag": "Lundi du Jeûne fédéral",
     "Allerheiligen": "Toussaint",
     "Maria Empfängnis": "Immaculée Conception",
     "Weihnachtstag": "Noël",
-    "Stephanstag": "Saint-Étienne"
+    "Weihnachtsnächstertag": "Lendemain de Noël",
+    "Stephanstag": "Saint-Étienne",
+    "Genf Republik tag": "Instauration de la République de Genève"
 }

lang/switzerland/it/holidays.json

@@ -1,7 +1,9 @@
 {
     "Neujahr": "Capodanno",
+    "Neujahrs nächster tag": "Il giorno dopo Capodanno",
     "Berchtoldstag": "San Silvestro",
     "Heilige Drei Könige": "Epifania",
+    "Neuenburger Republik tag": "Istituzione della Repubblica di Neuchâtel",
     "Josefstag": "San Giuseppe",
     "Karfreitag": "Venerdì Santo",
     "Ostermontag": "Lunedì di Pasqua",
@@ -10,10 +12,15 @@
     "Pfingstmontag": "Lunedì di Pentecoste",
     "Fronleichnam": "Corpus Domini",
     "Bundesfeier": "Festa nazionale",
+    "Bundesfeier nächster tag": "Il giorno dopo la festa nazionale",
     "Maria Himmelfahrt": "Assunzione",
+    "Genfer Fasten": "Jeûne genevois",
     "Buss- und Bettag": "Digiuno federale",
+    "Buss- und Bettag Montag": "Digiuno federale Lunedì",
     "Allerheiligen": "Ognissanti",
     "Maria Empfängnis": "Immacolata Concezione",
     "Weihnachtstag": "Natale",
-    "Stephanstag": "Santo Stefano"
+    "Weihnachtsnächstertag": "Il giorno dopo la festa di Natale",
+    "Stephanstag": "Santo Stefano",
+    "Genf Republik tag": "Istituzione della Repubblica di Ginevra"
 }

src/Countries/Switzerland.php

@@ -19,6 +19,8 @@ class Switzerland extends Country implements HasTranslations
         'ch-bs',
         'ch-be',
         'ch-fr',
+        'ch-fr-c',
+        'ch-fr-r',
         'ch-ge',
         'ch-gl',
         'ch-gr',
@@ -42,10 +44,14 @@ class Switzerland extends Country implements HasTranslations
 
     private const NEW_YEARS_DAY = 'Neujahr';
 
+    private const NEW_YEARS_NEXT_DAY = 'Neujahrs nächster tag';
+
     private const BERCHTOLDS_DAY = 'Berchtoldstag';
 
     private const THREE_KINGS_DAY = 'Heilige Drei Könige';
 
+    private const NEUCHATEL_REPUBLIC_DAY = 'Neuenburger Republik tag';
+
     private const SAINT_JOSEPHS_DAY = 'Josefstag';
 
     private const GOOD_FRIDAY = 'Karfreitag';
@@ -62,18 +68,28 @@ class Switzerland extends Country implements HasTranslations
 
     private const SWISS_NATIONAL_HOLIDAY = 'Bundesfeier';
 
+    private const SWISS_NATIONAL_HOLIDAY_NEXT_DAY = 'Bundesfeier nächster tag';
+
     private const ASSUMPTION_DAY = 'Maria Himmelfahrt';
 
+    private const GENEVA_DAY_OF_FASTING = 'Genfer Fasten';
+
     private const FEDERAL_DAY_OF_THANKSGIVING_REPENTANCE_AND_PRAYER = 'Buss- und Bettag';
 
+    private const FEDERAL_DAY_OF_THANKSGIVING_REPENTANCE_AND_PRAYER_MONDAY = 'Buss- und Bettag Montag';
+
     private const ALL_SAINTS_DAY = 'Allerheiligen';
 
     private const IMMACULATE_CONCEPTION = 'Maria Empfängnis';
 
     private const CHRISTMAS_DAY = 'Weihnachtstag';
 
+    private const CHRISTMAS_NEXT_DAY = 'Weihnachtsnächstertag';
+
     private const SAINT_STEPHENS_DAY = 'Stephanstag';
 
+    private const GENEVA_REPUBLIC_DAY = 'Genf Republik tag';
+
     public function __construct(protected ?string $region = null)
     {
         if ($region !== null && ! in_array($region, self::REGIONS)) {
@@ -110,19 +126,26 @@ public function regionalHolidays(int $year): array
         ];
 
         $regionallyDifferentHolidays = [
+            self::NEW_YEARS_NEXT_DAY => '01-02',
             self::BERCHTOLDS_DAY => '01-02',
             self::THREE_KINGS_DAY => '01-06',
+            self::NEUCHATEL_REPUBLIC_DAY => '03-01',
             self::SAINT_JOSEPHS_DAY => '03-19',
             self::GOOD_FRIDAY => $easter->subDays(2),
             self::EASTER_MONDAY => $easter->addDay(),
             self::LABOUR_DAY => '05-01',
             self::WHIT_MONDAY => $easter->addDays(50),
             self::CORPUS_CHRISTI => $easter->addDays(60),
+            self::SWISS_NATIONAL_HOLIDAY_NEXT_DAY => '08-02',
             self::ASSUMPTION_DAY => '08-15',
+            self::GENEVA_DAY_OF_FASTING => (new CarbonImmutable('first sunday of September '.$year, 'Europe/Zurich'))->addDays(4), // Thursday after the first Sunday of September
             self::FEDERAL_DAY_OF_THANKSGIVING_REPENTANCE_AND_PRAYER => new CarbonImmutable('third sunday of September '.$year, 'Europe/Zurich'),
+            self::FEDERAL_DAY_OF_THANKSGIVING_REPENTANCE_AND_PRAYER_MONDAY => (new CarbonImmutable('third sunday of September '.$year, 'Europe/Zurich'))->addDay(),
             self::ALL_SAINTS_DAY => '11-01',
             self::IMMACULATE_CONCEPTION => '12-08',
             self::SAINT_STEPHENS_DAY => '12-26',
+            self::CHRISTMAS_NEXT_DAY => '12-26',
+            self::GENEVA_REPUBLIC_DAY => '12-31',
         ];
 
         $currentRegion = match ($this->region) {
@@ -163,13 +186,26 @@ public function regionalHolidays(int $year): array
                 self::WHIT_MONDAY,
                 self::SAINT_STEPHENS_DAY,
             ],
-            'ch-fr' => [
+            'ch-fr', 'ch-fr-c' => [ // Catholic part of the canton is the default
+                self::GOOD_FRIDAY,
+                self::CORPUS_CHRISTI,
+                self::ASSUMPTION_DAY,
+                self::ALL_SAINTS_DAY,
+                self::IMMACULATE_CONCEPTION,
+            ],
+            'ch-fr-r' => [ // Reformed part of the canton has special legislation for holidays
+                self::NEW_YEARS_NEXT_DAY,
                 self::GOOD_FRIDAY,
+                self::EASTER_MONDAY,
+                self::WHIT_MONDAY,
+                self::SAINT_STEPHENS_DAY,
             ],
             'ch-ge' => [
                 self::GOOD_FRIDAY,
                 self::EASTER_MONDAY,
                 self::WHIT_MONDAY,
+                self::GENEVA_DAY_OF_FASTING,
+                self::GENEVA_REPUBLIC_DAY,
             ],
             'ch-gl' => [
                 self::GOOD_FRIDAY,
@@ -198,6 +234,7 @@ public function regionalHolidays(int $year): array
                 self::SAINT_STEPHENS_DAY,
             ],
             'ch-ne' => [
+                self::NEUCHATEL_REPUBLIC_DAY,
                 self::GOOD_FRIDAY,
                 self::LABOUR_DAY,
             ],
@@ -269,6 +306,7 @@ public function regionalHolidays(int $year): array
                 self::GOOD_FRIDAY,
                 self::EASTER_MONDAY,
                 self::WHIT_MONDAY,
+                self::FEDERAL_DAY_OF_THANKSGIVING_REPENTANCE_AND_PRAYER_MONDAY,
             ],
             'ch-vs' => [
                 self::SAINT_JOSEPHS_DAY,
@@ -301,6 +339,22 @@ public function regionalHolidays(int $year): array
             ARRAY_FILTER_USE_KEY
         );
 
+        // Some holidays only happen in some years in some regions
+        if (in_array($this->region, ['ch-ge', 'ch-ne']) &&
+            (new CarbonImmutable("{$year}-01-01", 'Europe/Zurich'))->isSunday()) {
+            $regionalHolidays[self::NEW_YEARS_NEXT_DAY] = '01-02';
+        }
+
+        if (in_array($this->region, ['ch-ge']) &&
+            (new CarbonImmutable("{$year}-08-01", 'Europe/Zurich'))->isSunday()) {
+            $regionalHolidays[self::SWISS_NATIONAL_HOLIDAY_NEXT_DAY] = '08-02';
+        }
+
+        if (in_array($this->region, ['ch-ge', 'ch-ne']) &&
+            (new CarbonImmutable("{$year}-12-25", 'Europe/Zurich'))->isSunday()) {
+            $regionalHolidays[self::CHRISTMAS_NEXT_DAY] = '12-26';
+        }
+
         return array_merge($regionalHolidays, $sharedHolidays);
     }