import { clsx, type ClassValue } from "clsx"
import { twMerge } from "tailwind-merge"
import { format, parseISO } from "date-fns"
import { fr } from "date-fns/locale"

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs))
}

export function formatMonthYear(year: number, month: number) {
  const date = new Date(year, month - 1);
  return format(date, "MMMM yyyy", { locale: fr });
}

export function formatDateFr(dateString: string) {
  return format(parseISO(dateString), "dd MMM yyyy", { locale: fr });
}

export const MONTHS = [
  { value: 1, label: "Janvier" },
  { value: 2, label: "Février" },
  { value: 3, label: "Mars" },
  { value: 4, label: "Avril" },
  { value: 5, label: "Mai" },
  { value: 6, label: "Juin" },
  { value: 7, label: "Juillet" },
  { value: 8, label: "Août" },
  { value: 9, label: "Septembre" },
  { value: 10, label: "Octobre" },
  { value: 11, label: "Novembre" },
  { value: 12, label: "Décembre" },
];

export const STATUS_LABELS: Record<string, string> = {
  draft: "Brouillon",
  submitted: "Soumis",
  validated: "Validé"
};

export const STATUS_COLORS: Record<string, string> = {
  draft: "bg-muted text-muted-foreground",
  submitted: "bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-300",
  validated: "bg-green-100 text-green-800 dark:bg-green-900 dark:text-green-300"
};