import express from 'express';

import cors from 'cors';

import bodyParser from 'body-parser';

import morgan from 'morgan';

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

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

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

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

export function createApp(prismaClient?: PrismaClient) {

  const app = express();

  // Configure CORS

  app.use(cors({

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

    credentials: true

  }));

  app.use(express.json());

  app.use(bodyParser.json());

  // Only use morgan in non-test environments

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

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

  }

  // Make prisma client available to routes if provided (for testing)

  if (prismaClient) {

    app.locals.prisma = prismaClient;

  }

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

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

  app.use(errorHandler); // always last

  return app;

}