theming, date, time localisation, additional features, seeding initial cleanup

lib/utils.ts

@@ -18,7 +18,7 @@ export function formatTime(time: string): string {
 }
 
 export function formatDate(date: string): string {
-	return new Date(date).toLocaleDateString('en-US', {
+	return new Date(date).toLocaleDateString('en-IE', {
 		weekday: 'long',
 		year: 'numeric',
 		month: 'long',
@@ -40,18 +40,36 @@ export function isWithinBookingWindow(date: string): boolean {
 	return bookingDate >= today && bookingDate <= maxDate;
 }
 
+// Ireland localization - Monday as first day of week
 export function getWeekDays(): Array<{ value: number; label: string }> {
 	return [
-		{ value: 0, label: 'Sunday' },
 		{ value: 1, label: 'Monday' },
 		{ value: 2, label: 'Tuesday' },
 		{ value: 3, label: 'Wednesday' },
 		{ value: 4, label: 'Thursday' },
 		{ value: 5, label: 'Friday' },
 		{ value: 6, label: 'Saturday' },
+		{ value: 0, label: 'Sunday' },
 	];
 }
 
+// Convert JavaScript's getDay() (0=Sunday) to Irish standard (0=Monday)
+export function getIrishDayOfWeek(date: Date): number {
+	const jsDay = date.getDay();
+	return jsDay === 0 ? 6 : jsDay - 1; // Sunday becomes 6, Monday becomes 0
+}
+
+// Convert Irish day index (0=Monday) back to JavaScript's getDay() format
+export function getJavaScriptDayOfWeek(irishDay: number): number {
+	return irishDay === 6 ? 0 : irishDay + 1; // 6 becomes Sunday (0), others shift up
+}
+
+// Get day name using Irish week start (0=Monday)
+export function getIrishDayName(irishDayIndex: number): string {
+	const days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];
+	return days[irishDayIndex];
+}
+
 export function generateTimeSlots(startHour: number, endHour: number): string[] {
 	const slots = [];
 	for (let hour = startHour; hour < endHour; hour++) {