using System;

using MongoDB.Driver;

using MongoDB.Bson;

using System.Configuration;

​

class CadoCurrency

{

    public static void Main(string[] args)

    {

        // Get MongoDB URI and Database name from environment variables

        string connectionUri = Environment.GetEnvironmentVariable("MONGODB_URI");

        if (string.IsNullOrEmpty(connectionUri))

        {

            Console.WriteLine("Error: MongoDB URI is not set in environment variables.");

            return;

        }

​

        // Set MongoDB ClientSettings with the connection string

        var settings = MongoClientSettings.FromConnectionString(connectionUri);

​

        // Set the ServerApi field to ensure compatibility with MongoDB's stable API

        settings.ServerApi = new ServerApi(ServerApiVersion.V1);

​

        // Create MongoDB client

        var client = new MongoClient(settings);

​

        try

        {

            // Send a ping to check connection to MongoDB

            var database = client.GetDatabase("admin"); // Using the "admin" database for the ping

            var command = new BsonDocument { { "ping", 1 } }; // Create the ping command

            var result = database.RunCommand<BsonDocument>(command); // Run the ping command

​

            Console.WriteLine("Pinged your deployment. You successfully connected to MongoDB!");

        }

        catch (Exception ex)

        {

            Console.WriteLine("Error: " + ex.Message);

            return;

        }

​

        // Start creating a random "CadoCurrency" transaction

        Random rand = new Random();

        string hashcode = GenerateRandomHash(rand);

​

        // Save the hashcode and some fake currency details into MongoDB

        var database = client.GetDatabase("CadoCurrencyDB"); // Use a specific database

        var collection = database.GetCollection<BsonDocument>("Transactions"); // Use the "Transactions" collection

​

        // Create a new document to insert into MongoDB

        var transactionDocument = new BsonDocument

        {

            { "hashcode", hashcode },

            { "amount", rand.Next(1, 10000) }, // Random amount between 1 and 10,000 (for demo)

            { "status", "Pending" },

            { "created_at", DateTime.UtcNow }

        };

​

        try

        {

            // Insert the document into the "Transactions" collection

            collection.InsertOne(transactionDocument);

            Console.WriteLine("Transaction saved to MongoDB with hash: " + hashcode);

        }

        catch (Exception ex)

        {

            Console.WriteLine("Error inserting transaction: " + ex.Message);

        }

    }

​

    // Function to generate a random hashcode for CadoCurrency

    static string GenerateRandomHash(Random rand)

    {

        char[] chars = { '#', '@', '$', '&', '(', ')', 'A', 'B', 'C', 'D', 'E' }; // Added more variety

        string hashcode = "";

        for (var i = 0; i < 11; i++)

        {

            var randomnum = rand.Next(0, chars.Length); // Get a random number for selecting a char

            hashcode += chars[randomnum];

        }

        return hashcode;

    }

}

​