Fabric.Backend.Center/src/cli.ts

import 'reflect-metadata';
import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';
import { AuthService } from './auth/auth.service';
import { NodeAdminService } from './nodes/node-admin.service';

function getArg(flag: string): string | null {
  const idx = process.argv.indexOf(flag);
  if (idx === -1) return null;
  return process.argv[idx + 1] ?? null;
}

function printUsageAndExit(): never {
  console.error('Usage:');
  console.error('  node dist/cli.js user create --email <email> --password <password>');
  console.error('  node dist/cli.js user apikey --email <email> [--label <label>]');
  console.error('  node dist/cli.js node register --node-id <id> --name <name> --endpoint <url>');
  process.exit(1);
}

async function main() {
  const [subject, action] = process.argv.slice(2);
  if (!subject || !action) printUsageAndExit();

  const app = await NestFactory.createApplicationContext(AppModule, { logger: ['error', 'warn'] });
  try {
    if (subject === 'user' && action === 'create') {
      const email = getArg('--email');
      const password = getArg('--password');
      if (!email || !password) printUsageAndExit();

      const auth = app.get(AuthService);
      const user = await auth.register({ email, password });
      process.stdout.write(JSON.stringify({ ok: true, user }) + '\n');
      return;
    }

    if (subject === 'user' && action === 'apikey') {
      const email = getArg('--email');
      const label = getArg('--label');
      if (!email) printUsageAndExit();

      const auth = app.get(AuthService);
      const res = await auth.createUserApiKey(email, label ?? undefined);
      process.stdout.write(JSON.stringify({ ok: true, ...res }) + '\n');
      return;
    }

    if (subject === 'node' && action === 'register') {
      const nodeId = getArg('--node-id');
      const name = getArg('--name');
      const endpoint = getArg('--endpoint');
      if (!nodeId || !name || !endpoint) printUsageAndExit();

      const nodes = app.get(NodeAdminService);
      const result = await nodes.registerNode({ nodeId, name, endpoint });
      process.stdout.write(JSON.stringify({ ok: true, ...result }) + '\n');
      return;
    }

    printUsageAndExit();
  } finally {
    await app.close();
  }
}

void main().catch((error: unknown) => {
  const message = error instanceof Error ? error.message : 'unknown error';
  process.stderr.write(JSON.stringify({ ok: false, error: message }) + '\n');
  process.exit(1);
});