import express from 'express';

import cors from 'cors';

import bodyParser from 'body-parser';

import morgan from 'morgan';

import mainRouter from '@app/routes/main';

import userRouter from '@app/routes/users';

import authRouter from '@app/routes/auth';

import moodRouter from '@app/routes/moods';

import { errorHandler } from '@app/middleware/errorHandler';

import { PrismaClient } from '@prisma/client';

import { bootWorkers, closeAllWorkers, closeAllQueues } from '@app/lib/queue';

export function createApp() {

  const app = express();

  bootWorkers();

  // Configure CORS

  app.use(cors({

    origin: process.env.FRONTEND_URL || '*',

    credentials: true

  }));

  app.use(bodyParser.json());

  // Only use morgan in non-test environments

  if (process.env.NODE_ENV !== 'test') {

    app.use(morgan('combined'));

  }

  app.get('/', mainRouter);

  app.use("/users", userRouter);

  app.use("/auth", authRouter);

  app.use("/moods", moodRouter);

  app.use(errorHandler); // always last

  process.on('SIGTERM', shutdown);

  process.on('SIGINT', shutdown);

  return app;

}

const shutdown = async () => {

  await Promise.all([closeAllWorkers(), closeAllQueues()]);

  process.exit(0);

};