#!/usr/bin/env node
import { mkdir, readFile, writeFile } from "node:fs/promises";
import { dirname, resolve } from "node:path";
import { fileURLToPath } from "node:url";
import { buildOpenApiDocument } from "@projectbrain/contracts";

const root = resolve(dirname(fileURLToPath(import.meta.url)), "..");
const target = resolve(root, "docs/openapi/projectbrain-v1.json");
const generated = `${JSON.stringify(buildOpenApiDocument(), null, 2)}\n`;
if (process.argv.includes("--check")) {
  const existing = await readFile(target, "utf8").catch(() => "");
  if (existing !== generated) { console.error("OpenAPI artifact is stale. Run pnpm docs:openapi."); process.exit(1); }
  console.log("OpenAPI artifact matches canonical contracts.");
} else {
  await mkdir(dirname(target), { recursive: true });
  await writeFile(target, generated);
  console.log(`Wrote ${target}`);
}