generateFakeUsers.js

// const mongoose = require('mongoose');
// const { faker } = require('@faker-js/faker'); // Import faker from @faker-js/faker
// const User = require('./models/User'); // Update with the correct path to your User model

// require('dotenv').config();
// // Connect to MongoDB
// const mongoURI = process.env.MONGO_URI; // Replace with your MongoDB connection string





// mongoose.connect(mongoURI, { useUnifiedTopology: true }) // Removed useNewUrlParser
//   .then(() => {
//     console.log('MongoDB connected successfully.');
//     generateFakeUsers(100); // Generate 300 fake users
//   })
//   .catch((err) => console.error('MongoDB connection error:', err));

// // Function to generate fake users
// async function generateFakeUsers(numUsers) {
//   try {
//     const users = [];
    
//     for (let i = 0; i < numUsers; i++) {
//       const user = {
//         username: faker.internet.userName(),
//         quizAnswers: Array.from({ length: 20 }, () => faker.helpers.arrayElement([1, 2, 3, 4])), // Generate 15 answers, each 1, 2, 3, or 4
//         gender: faker.helpers.arrayElement(['male', 'female']), // Randomly select gender
//       };
//       users.push(user);
//     }
    
//     // Insert fake users into the database
//     await User.insertMany(users);
//     console.log(`${numUsers} fake users generated successfully.`);
//   } catch (error) {
//     console.error('Error generating fake users:', error);
//   } finally {
//     mongoose.connection.close(); // Close the connection
//   }
// }



const mongoose = require('mongoose');
const { faker } = require('@faker-js/faker'); // Import faker from @faker-js/faker
const User = require('./models/User'); // Update with the correct path to your User model
require('dotenv').config(); // Load environment variables from .env file

// Connect to MongoDB
const mongoURI = process.env.MONGO_URI; // Replace with your MongoDB connection string

mongoose.connect(mongoURI, { useNewUrlParser: true, useUnifiedTopology: true }) // You can keep both options for compatibility
  .then(() => {
    console.log('MongoDB connected successfully.');
    generateFakeUsers(2000); // Generate 100 fake users
  })
  .catch((err) => console.error('MongoDB connection error:', err));

// Function to generate fake users
async function generateFakeUsers(numUsers) {
  try {
    const users = [];

    for (let i = 0; i < numUsers; i++) {
      const gender = faker.helpers.arrayElement(['male', 'female']); // Randomly select gender

      const user = {
        firebaseUID: faker.string.uuid(), // Generate a unique ID for firebase
        username: faker.internet.userName(),
        email: faker.internet.email(), // Generate a random email
        dob: faker.date.past(20, new Date()).toISOString().split('T')[0], // Generate a random past date as string (YYYY-MM-DD)
        gender,
        quizAnswers: Array.from({ length: 20 }, () => faker.helpers.arrayElement([1, 2, 3, 4])), // Generate 20 answers, each 1, 2, 3, or 4
      };
      users.push(user);
    }

    // Insert fake users into the database
    await User.insertMany(users);
    console.log(`${numUsers} fake users generated successfully.`);
  } catch (error) {
    console.error('Error generating fake users:', error);
  } finally {
    mongoose.connection.close(); // Close the connection
  }
}