import type { PageId, PageParams } from "../contracts/page";
import type { CurrentUserView } from "../contracts/workspace";
import { canAccessRoute, defaultPageForUser, resolveRouteHash } from "../routes/routes";
import { firstPartyRoutes } from "../routes/routes";

const routeIds: PageId[] = firstPartyRoutes.map((route) => route.id);

export function isPageId(value: string): value is PageId {
  return routeIds.includes(value as PageId);
}

export interface NavigationState {
  pageId: PageId;
  params: PageParams;
}

export function initialNavigationState(user: CurrentUserView, hash = typeof window === "undefined" ? "" : window.location.hash): NavigationState {
  const resolved = resolveRouteHash(hash, user);
  if (!canAccessRoute(user, resolved.route.id)) {
    return { pageId: defaultPageForUser(user), params: {} };
  }
  return { pageId: resolved.route.id, params: resolved.params };
}