#!/usr/bin/env bun
import * as fs from 'fs';
import * as path from 'path';
import { appendLensEvent, type LensEvent } from '../scripts/lenses/events';

function arg(name: string): string | undefined {
  const i = process.argv.indexOf(name);
  return i >= 0 ? process.argv[i + 1] : undefined;
}

const repoRoot = path.resolve(arg('--repo-root') ?? process.cwd());
const raw = arg('--json') ?? fs.readFileSync(0, 'utf8');
if (!raw.trim()) throw new Error('Provide an event through --json or stdin');
const result = appendLensEvent(repoRoot, JSON.parse(raw) as LensEvent);
process.stdout.write(JSON.stringify(result, null, 2) + '\n');