import { readFileSync } from "node:fs";
import { join } from "node:path";
import type { RecordRow } from "./types";

type Snapshot = {
  dataspace: { id: string; title: string; description: string };
  kinds: { id: string; label: string; plural: string }[];
  entities: { id: string; kindId: string; title: string; tldr: string }[];
};

export function loadSystemsThinking(): { title: string; description: string; rows: RecordRow[] } {
  const path = join(process.cwd(), "../examples/dataspaces/systems-thinking/snapshot.json");
  const snapshot = JSON.parse(readFileSync(path, "utf8")) as Snapshot;
  const labels = new Map(snapshot.kinds.map((kind) => [kind.id, kind.label]));
  const rows = snapshot.entities.map((entity) => ({
    id: entity.id,
    kindId: entity.kindId,
    kindLabel: labels.get(entity.kindId) ?? entity.kindId,
    title: entity.title,
    tldr: entity.tldr,
  }));
  return {
    title: snapshot.dataspace.title,
    description: snapshot.dataspace.description,
    rows,
  };
}