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

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

  const config = new DocumentBuilder()
    .setTitle("Customer Portal API")
    .setDescription("Backend for Frontend API for customer portal")
    .setVersion("1.0")
    .addBearerAuth()
    .build();

  const document = SwaggerModule.createDocument(app, config);
  const outDir = join(process.cwd(), "openapi");
  mkdirSync(outDir, { recursive: true });
  writeFileSync(join(outDir, "openapi.json"), JSON.stringify(document, null, 2));
  await app.close();
}

void generate();