export interface NavItem {
  // Lit only on its own path, not on its children (an index page).
  exact?: boolean;
  href: string;
  key: string;
  label: string;
}

export const SECTIONS: NavItem[] = [
  { href: "/", key: "1", label: "Now" },
  { href: "/conversations", key: "2", label: "Conversations" },
  { href: "/memory", key: "3", label: "Memory" },
  { href: "/usage", key: "4", label: "Usage" },
];

export const SYSTEM: NavItem = { href: "/system", key: "5", label: "System" };

export const SYSTEM_PAGES: NavItem[] = [
  { exact: true, href: "/system", key: "", label: "Sessions" },
  { href: "/system/agents", key: "", label: "Agents & endpoints" },
  { href: "/system/jobs", key: "", label: "Jobs" },
  { href: "/system/tokens", key: "", label: "Tokens" },
  { href: "/system/audit", key: "", label: "Audit" },
];

export function isActive(
  pathname: string,
  base: string,
  href: string,
  exact = false
) {
  const path = pathname.startsWith(base)
    ? pathname.slice(base.length)
    : pathname;
  const current = path || "/";
  if (href === "/" || exact) {
    return current === href;
  }
  return current === href || current.startsWith(`${href}/`);
}

export function isSectionActive(pathname: string, base: string, href: string) {
  const path = pathname.startsWith(base)
    ? pathname.slice(base.length)
    : pathname;
  const current = path || "/";
  return href === "/" ? current === "/" : current.startsWith(href);
}