import {
  deleteClientCookie,
  getClientCookie,
  setClientCookie,
} from "./cookies";

export const MARRIAGE_ENTRY_PATH_COOKIE = "HABIB_MARRIAGE_ENTRY_PATH";

const AUTHENTICATED_ENTRY_PATHS = new Set([
  "/intro",
  "/terms",
  "/questions-list",
  "/finding-match",
  "/request-accepted",
  "/new-match",
  "/request-sent",
]);

export function isAuthenticatedToken(token: string | null | undefined) {
  return Boolean(token && token !== "NO_TOKEN" && token.trim() !== "");
}

export function normalizeCachedMarriageEntryPath(
  value: string | null | undefined,
) {
  if (!value) {
    return null;
  }

  let decodedValue: string;
  try {
    decodedValue = decodeURIComponent(value);
  } catch {
    return null;
  }

  return AUTHENTICATED_ENTRY_PATHS.has(decodedValue) ? decodedValue : null;
}

export function getAuthenticatedCachedEntryPath(
  token: string | null | undefined,
  cachedPath: string | null | undefined,
) {
  if (!isAuthenticatedToken(token)) {
    return null;
  }

  return normalizeCachedMarriageEntryPath(cachedPath);
}

export function getCachedMarriageEntryPath() {
  return normalizeCachedMarriageEntryPath(
    getClientCookie(MARRIAGE_ENTRY_PATH_COOKIE),
  );
}

export function setCachedMarriageEntryPath(path: string | null) {
  const safePath = normalizeCachedMarriageEntryPath(path);

  if (!safePath) {
    deleteClientCookie(MARRIAGE_ENTRY_PATH_COOKIE);
    if (typeof window !== "undefined" && window.HabibApp?.postMessage) {
      try {
        window.HabibApp.postMessage(
          JSON.stringify({ action: "set_entry_path", data: { path: null } }),
        );
      } catch (e) {}
    }
    return;
  }

  setClientCookie(MARRIAGE_ENTRY_PATH_COOKIE, safePath);
  if (typeof window !== "undefined" && window.HabibApp?.postMessage) {
    try {
      window.HabibApp.postMessage(
        JSON.stringify({ action: "set_entry_path", data: { path: safePath } }),
      );
    } catch (e) {}
  }
}