import mongoose from 'mongoose';
import dotenv from 'dotenv';

dotenv.config();

const MONGODB_URI = process.env.MONGODB_URI;

export const connectDB = async () => {
  try {
    if (!MONGODB_URI) {
      throw new Error('MONGODB_URI is not set');
    }
    await mongoose.connect(MONGODB_URI);
    console.log('MongoDB connected successfully');

    mongoose.connection.on('disconnected', () => {
      console.log('MongoDB disconnected');
    });

    mongoose.connection.on('error', (err) => {
      console.error('MongoDB error:', err);
    });
  } catch (error) {
    console.error('MongoDB connection error:', error);
    process.exit(1);
  }
};

export default mongoose;