import {
  getAccessToken,
  getRefreshToken,
  setTokens,
} from "@/lib/meshkee-api";
import {
  getBusinessDashboardOrigin,
  getCustomerDashboardOrigin,
} from "@/lib/host";
import {
  clearManagedBusinessId,
  setManagedBusinessId,
} from "@/lib/managed-business";

/**
 * Superadmin “Manage business” — same origin as admin (no subdomain bounce).
 * Example: /manage/{meshkeeBusinessId}/profile
 */
export function openBusinessDashboardAsAdmin(
  meshkeeBusinessId: string,
  nextPath = "/profile",
) {
  const id = meshkeeBusinessId.trim();
  if (!id) return;

  setManagedBusinessId(id);

  const path = nextPath.startsWith("/") ? nextPath : `/${nextPath}`;
  const suffix = path === "/" ? "/profile" : path;
  window.location.assign(`/manage/${encodeURIComponent(id)}${suffix}`);
}

/**
 * Business owner / staff → business.* host from their account.
 */
export function openBusinessDashboardAsUser(nextPath = "/profile") {
  const access = getAccessToken();
  const refresh = getRefreshToken();
  if (!access || !refresh) {
    window.location.assign(`${getCustomerDashboardOrigin()}/login`);
    return;
  }

  setTokens(access, refresh);
  clearManagedBusinessId();

  const next = nextPath.startsWith("/") ? nextPath : `/${nextPath}`;
  const hash = new URLSearchParams({
    access,
    refresh,
    next,
    clearManaged: "1",
  }).toString();

  window.location.assign(
    `${getBusinessDashboardOrigin()}/auth/handoff#${hash}`,
  );
}

export function businessDashboardHrefForUser(nextPath = "/profile"): string {
  const next = nextPath.startsWith("/") ? nextPath : `/${nextPath}`;
  const access = getAccessToken();
  const refresh = getRefreshToken();
  if (!access || !refresh) {
    return `${getCustomerDashboardOrigin()}/login`;
  }
  const hash = new URLSearchParams({
    access,
    refresh,
    next,
    clearManaged: "1",
  }).toString();
  return `${getBusinessDashboardOrigin()}/auth/handoff#${hash}`;
}

export function businessDashboardHrefForAdmin(
  meshkeeBusinessId: string,
  nextPath = "/profile",
): string {
  const id = meshkeeBusinessId.trim();
  if (!id) return "/businesses";
  const path = nextPath.startsWith("/") ? nextPath : `/${nextPath}`;
  const suffix = path === "/" ? "/profile" : path;
  return `/manage/${encodeURIComponent(id)}${suffix}`;
}

export function customerDashboardHref(nextPath = "/"): string {
  const next = nextPath.startsWith("/") ? nextPath : `/${nextPath}`;
  const access = getAccessToken();
  const refresh = getRefreshToken();
  if (!access || !refresh) {
    return `${getCustomerDashboardOrigin()}${next}`;
  }
  const hash = new URLSearchParams({
    access,
    refresh,
    next,
  }).toString();
  return `${getCustomerDashboardOrigin()}/auth/handoff#${hash}`;
}