headplane/app/utils/node-info.ts

import { HostInfo, Machine } from "~/types";

export interface PopulatedNode extends Machine {
  routes: string[];
  hostInfo?: HostInfo;
  expired: boolean;
  customRouting: {
    exitRoutes: string[];
    exitApproved: boolean;
    subnetApprovedRoutes: string[];
    subnetWaitingRoutes: string[];
  };
}

const GO_ZERO_TIMES = new Set(["0001-01-01 00:00:00", "0001-01-01T00:00:00Z"]);
export function isNoExpiry(expiry: string | null | undefined): boolean {
  return expiry == null || GO_ZERO_TIMES.has(expiry);
}

export function mapNodes(
  nodes: Machine[],
  stats?: Record<string, HostInfo> | undefined,
): PopulatedNode[] {
  return nodes.map((node) => {
    const customRouting = {
      exitRoutes: node.availableRoutes.filter((route) => route === "::/0" || route === "0.0.0.0/0"),
      exitApproved: node.approvedRoutes.some((route) => route === "::/0" || route === "0.0.0.0/0"),
      subnetApprovedRoutes: node.approvedRoutes.filter(
        (route) =>
          route !== "::/0" && route !== "0.0.0.0/0" && node.availableRoutes.includes(route),
      ),
      subnetWaitingRoutes: node.availableRoutes.filter(
        (route) =>
          route !== "::/0" && route !== "0.0.0.0/0" && !node.approvedRoutes.includes(route),
      ),
    } satisfies PopulatedNode["customRouting"];

    return {
      ...node,
      routes: Array.from(new Set(node.availableRoutes)),
      hostInfo: stats?.[node.nodeKey],
      customRouting,
      expired: isNoExpiry(node.expiry) ? false : new Date(node.expiry!).getTime() < Date.now(),
    };
  });
}

export function sortNodeTags(nodes: Machine[]): string[] {
  return Array.from(new Set(nodes.flatMap((node) => node.tags))).sort();
}