/**
 * CLI entry point — creates the initial SUPER_ADMIN user.
 * Run: npm run cli:create-super-admin
 */
import { NestFactory } from '@nestjs/core';
import * as readline from 'readline';
import { CliModule } from './cli.module';
import { CreateSuperAdminService } from './create-super-admin.service';

function prompt(rl: readline.Interface, question: string, hidden = false): Promise<string> {
  return new Promise((resolve) => {
    if (!hidden) {
      rl.question(question, resolve);
      return;
    }
    const stdin = process.stdin;
    const onData = (char: Buffer): void => {
      const c = char.toString('utf8');
      switch (c) {
        case '\n':
        case '\r':
        case '\u0004':
          stdin.pause();
          break;
        default:
          process.stdout.write('\x1B[2K\x1B[200D' + question + '*'.repeat(rl.line.length));
          break;
      }
    };
    stdin.on('data', onData);
    rl.question(question, (answer) => {
      stdin.removeListener('data', onData);
      process.stdout.write('\n');
      resolve(answer);
    });
  });
}

async function bootstrap(): Promise<void> {
  const app = await NestFactory.createApplicationContext(CliModule, {
    logger: ['error', 'warn', 'log'],
  });

  const service = app.get(CreateSuperAdminService);
  const rl = readline.createInterface({ input: process.stdin, output: process.stdout });

  try {
    console.log('\n=== Create Super Admin ===\n');

    const fullName = (await prompt(rl, 'Full name: ')).trim();
    const username = (await prompt(rl, 'Username: ')).trim();
    const email = (await prompt(rl, 'Email: ')).trim();
    const password = (await prompt(rl, 'Password (min 8 chars): ', true)).trim();

    rl.close();

    const user = await service.create({ fullName, username, email, password });
    console.log('\nSuper admin created successfully.');
    console.log(`  ID:       ${user.id}`);
    console.log(`  Username: ${user.username}`);
    console.log(`  Email:    ${user.email}`);
    console.log(`  Role:     ${user.role}\n`);
  } catch (error) {
    rl.close();
    console.error('\nFailed:', error instanceof Error ? error.message : error);
    process.exitCode = 1;
  } finally {
    await app.close();
  }
}

bootstrap();