import process from 'node:process';
import { NestFactory } from '@nestjs/core';
import { AppModule } from '../src/app.module';
import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
import * as fs from 'fs';
import * as path from 'path';
import * as yaml from 'js-yaml';

async function generateOpenApi() {
  process.env.JWT_ACCESS_SECRET =
    process.env.JWT_ACCESS_SECRET ||
    'test_access_secret_32_characters_minimum_entropy';
  process.env.JWT_REFRESH_SECRET =
    process.env.JWT_REFRESH_SECRET ||
    'test_refresh_secret_32_characters_minimum_entropy';

  const app = await NestFactory.create(AppModule, { logger: false });

  app.setGlobalPrefix('api');

  const config = new DocumentBuilder()
    .setTitle('Canino Iran API')
    .setDescription(
      'API Documentation for Canino Iran Pet Health & Supplement Platform',
    )
    .setVersion('1.0.0')
    .addBearerAuth()
    .build();

  const document = SwaggerModule.createDocument(app, config);

  const yamlContent = yaml.dump(document, { noRefs: true, lineWidth: -1 });

  const rootSwaggerPath = path.resolve(__dirname, '../../swagger.yml');
  fs.writeFileSync(rootSwaggerPath, yamlContent, 'utf8');

  console.log(
    `OpenAPI documentation successfully synchronized to ${rootSwaggerPath}`,
  );

  await app.close();
}

generateOpenApi().catch((err) => {
  console.error('Error generating OpenAPI spec:', err);
  process.exit(1);
});