import type { LoginPreviewResponse } from "../types/visitorContext";

export type RegistrationBaseFields =
  | "name_email"
  | "email_only"
  | "name_email_phone"
  | "anonymous_name"
  | "anonymous";

export function registrationRequiresEmail(base: RegistrationBaseFields | string): boolean {
  return base === "name_email" || base === "email_only" || base === "name_email_phone";
}

export function useEventRegistrationSettings(event: LoginPreviewResponse | null | undefined) {
  const s = event?.settings;
  const registrationOpen = s?.registrationOpen !== false;
  const deadline = s?.registrationDeadline ? new Date(s.registrationDeadline) : null;
  const deadlinePassed = deadline ? deadline.getTime() <= Date.now() : false;
  const newRegistrationBlocked = !registrationOpen || deadlinePassed;
  const authenticationType = (s?.authenticationType || "otp_email") as
    | "otp_email"
    | "link_email"
    | "none";
  const registrationBaseFields = (s?.registrationBaseFields || "name_email") as RegistrationBaseFields;
  const registrationMode = s?.registrationMode || "Open";
  const enableFeedback = s?.enableFeedback !== false;
  const enableRatings = s?.enableRatings === true;

  const primaryCtaLabel =
    authenticationType === "otp_email"
      ? "Send OTP"
      : authenticationType === "link_email"
        ? "Email me a link"
        : "Continue";

  return {
    settings: s,
    registrationOpen,
    deadlinePassed,
    newRegistrationBlocked,
    authenticationType,
    registrationBaseFields,
    requiresEmailOnLogin:
      authenticationType !== "none" || registrationRequiresEmail(registrationBaseFields),
    registrationMode,
    enableFeedback,
    enableRatings,
    primaryCtaLabel,
  };
}