// Formatação para exibição (pt-BR, fuso de Belo Horizonte).

const TZ = "America/Sao_Paulo";

const dateTime = new Intl.DateTimeFormat("pt-BR", {
  timeZone: TZ,
  day: "2-digit",
  month: "2-digit",
  year: "numeric",
  hour: "2-digit",
  minute: "2-digit",
});

const clock = new Intl.DateTimeFormat("pt-BR", { timeZone: TZ, hour: "2-digit", minute: "2-digit" });

export function fmtDateTime(value: string | null | undefined): string {
  return value ? dateTime.format(new Date(value)) : "—";
}

export function fmtClock(value: string | null | undefined, timeZone = TZ): string {
  if (!value) return "—";
  return timeZone === TZ
    ? clock.format(new Date(value))
    : new Intl.DateTimeFormat("pt-BR", { timeZone, hour: "2-digit", minute: "2-digit" }).format(new Date(value));
}

export function fmtDay(day: string): string {
  const [y, m, d] = day.split("-");
  return `${d}/${m}/${y}`;
}

export function fmtMinutes(minutes: number): string {
  return `${Math.floor(minutes / 60)}h${String(minutes % 60).padStart(2, "0")}`;
}

export const userStatusLabel: Record<string, string> = {
  pending: "aguardando aprovação",
  active: "ativo",
  disabled: "desativado",
};

export const notificationStatusLabel: Record<string, string> = {
  scheduled: "agendado",
  sending: "enviando",
  sent: "enviado",
  failed: "falhou",
  cancelled: "cancelado",
  expired: "expirado",
};

export const dayStatusLabel: Record<string, string> = {
  awaiting: "aguardando primeira consulta",
  no_points: "sem pontos (reverificando)",
  working: "acompanhando",
  not_working: "sem pontos (encerrado)",
  finished: "jornada encerrada",
};

export const pauseReasonLabel: Record<string, string> = {
  manual: "pausado pelo usuário",
  api_failures: "pausado após falhas na PontoMais",
  admin: "pausado pelo painel",
  user_disabled: "usuário desativado",
};

export function badgeClass(status: string): string {
  switch (status) {
    case "active":
    case "sent":
    case "finished":
    case "working":
      return "badge ok";
    case "failed":
    case "disabled":
    case "expired":
    case "not_working":
      return "badge error";
    case "pending":
    case "scheduled":
    case "sending":
    case "no_points":
      return "badge warn";
    default:
      return "badge";
  }
}