Artifacts

import fs from "node:fs";
import path from "node:path";
import { MEMOS_DIR } from "./config";
import type { Memo } from "./types";

/**
 * Executive memos — the foundation for cross-executive communication. Executives
 * communicate through structured memos, never ad-hoc chat. This pass establishes
 * the schema and storage only; full memo workflows are intentionally deferred.
 */

function stamp(): string {
  return new Date().toISOString().replace(/[:.]/g, "-");
}

/** Persist a memo and return the saved record (with createdAt filled). */
export function createMemo(
  input: Omit<Memo, "createdAt"> & { createdAt?: string },
): Memo {
  const memo: Memo = { ...input, createdAt: input.createdAt ?? new Date().toISOString() };
  fs.mkdirSync(MEMOS_DIR, { recursive: true });
  const name = `${stamp()}-${memo.fromExecutiveId}-to-${memo.toExecutiveId}.json`;
  const file = path.join(MEMOS_DIR, name);
  fs.writeFileSync(file, JSON.stringify(memo, null, 2) + "\n", "utf8");
  return memo;
}

export function listMemos(): Memo[] {
  let names: string[];
  try {
    names = fs.readdirSync(MEMOS_DIR);
  } catch {
    return [];
  }
  const out: Memo[] = [];
  for (const name of names) {
    if (!name.endsWith(".json")) continue;
    try {
      out.push(JSON.parse(fs.readFileSync(path.join(MEMOS_DIR, name), "utf8")) as Memo);
    } catch {
      /* skip */
    }
  }
  return out.sort((a, b) => b.createdAt.localeCompare(a.createdAt));
}