const cron = require('node-cron');
const MongoClient = require('mongodb').MongoClient;

// MongoDB connection URL
const url = 'mongodb://localhost:27017';
// Database Name
const dbName = 'myauctionapp';

// Function to check auctions and initiate bidding
async function checkAndInitiateAuctions() {
    // Connect to MongoDB
    const client = await MongoClient.connect(url, { useNewUrlParser: true, useUnifiedTopology: true });
    const db = client.db(dbName);

    try {
        // Query auctions that have passed their set date
        const currentDate = new Date();
        const expiredAuctions = await db.collection('auctions').find({ endDate: { $lt: currentDate } }).toArray();

        // If there are expired auctions, initiate bidding process
        if (expiredAuctions.length > 0) {
            console.log('Initiating bidding for expired auctions:', expiredAuctions);
            // Add your bidding initiation logic here
        } else {
            console.log('No expired auctions found.');
        }
    } catch (error) {
        console.error('Error occurred while checking auctions:', error);
    } finally {
        // Close MongoDB connection
        client.close();
    }
}

// Schedule the function to run every minute
cron.schedule('* * * * *', () => {
    console.log('Checking auctions...');
    checkAndInitiateAuctions();
});