add list of cities for car pick drop off locations

apps/dashboard/src/lib/moroccanCities.ts

@@ -0,0 +1,31 @@
+import citiesDataset from '@/data/morocco-cities-rgph-2024.json'
+
+export type SupportedCityLocale = 'en' | 'fr' | 'ar'
+
+interface LocalizedName {
+  en: string
+  fr: string
+  ar: string
+}
+
+interface MoroccanCity {
+  id: string
+  name: LocalizedName
+  province: LocalizedName
+}
+
+interface MoroccanCitiesDataset {
+  cities: MoroccanCity[]
+}
+
+export function getMoroccanCityOptions(locale: string) {
+  const resolvedLocale: SupportedCityLocale = locale === 'fr' || locale === 'ar' ? locale : 'en'
+  const cityNames = (citiesDataset as MoroccanCitiesDataset).cities.map((city) => city.name[resolvedLocale])
+
+  return Array.from(new Set(cityNames)).sort((a, b) => a.localeCompare(b, resolvedLocale))
+}
+
+export function mergeLocationOptions(options: string[], selectedLocations: string[]) {
+  const selected = selectedLocations.map((location) => location.trim()).filter(Boolean)
+  return Array.from(new Set([...selected, ...options]))
+}