import { NestFactory } from '@nestjs/core';
import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
import { mkdirSync, writeFileSync } from 'fs';
import { join } from 'path';
import { AppModule } from '../src/app.module';
import { PrismaService } from '../src/prisma/prisma.service';

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

  app.setGlobalPrefix('api/v1');

  const swaggerConfig = new DocumentBuilder()
    .setTitle('ToolsShow Backend API')
    .setDescription('Generated OpenAPI document for ToolsShow backend.')
    .setVersion('1.0.0')
    .addBearerAuth(
      {
        type: 'http',
        scheme: 'bearer',
        bearerFormat: 'JWT',
      },
      'admin-access-token',
    )
    .build();

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

  const docsDir = join(process.cwd(), 'docs');
  mkdirSync(docsDir, { recursive: true });
  writeFileSync(join(docsDir, 'openapi.json'), JSON.stringify(document, null, 2), 'utf-8');

  const prisma = app.get(PrismaService);
  await prisma.$disconnect();
  await app.close();
  process.exit(0);
}

generateApiDocs().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});