export const associationCommuneOptions = [
  { value: "all", label: "Toutes" },
  { value: "kourou", label: "Kourou" },
  { value: "sinnamary", label: "Sinnamary" },
  { value: "iracoubo", label: "Iracoubo" },
  { value: "saint_elie", label: "Saint-Élie" },
] as const;

export type AssociationCommuneFilter = (typeof associationCommuneOptions)[number]["value"];

const communeVariantMap: Record<Exclude<AssociationCommuneFilter, "all">, string[]> = {
  kourou: ["Kourou"],
  sinnamary: ["Sinnamary"],
  iracoubo: ["Iracoubo"],
  saint_elie: ["Saint-Élie", "Saint Elie", "ST ELIE", "St Elie", "St-Élie", "Saint-Elie"],
};

export function getAssociationCommuneLabel(value: AssociationCommuneFilter) {
  return associationCommuneOptions.find(option => option.value === value)?.label ?? "Toutes";
}

export function normalizeAssociationCommune(value: string | null | undefined): AssociationCommuneFilter {
  const normalized = (value || "")
    .normalize("NFD")
    .replace(/[\u0300-\u036f]/g, "")
    .replace(/[-_]/g, " ")
    .replace(/\s+/g, " ")
    .trim()
    .toLowerCase();

  if (normalized.includes("saint elie") || normalized.includes("st elie")) return "saint_elie";
  if (normalized.includes("kourou")) return "kourou";
  if (normalized.includes("sinnamary")) return "sinnamary";
  if (normalized.includes("iracoubo")) return "iracoubo";
  return "all";
}

export function getAssociationCommuneVariants(value?: string | null) {
  if (!value || value === "all") {
    return [];
  }

  return communeVariantMap[value as Exclude<AssociationCommuneFilter, "all">] || [];
}