AzureStorageFacade.cs

public class AzureStorageFacade : ICloudStorageFacade
{
    // Assume these are initialized with proper configurations
    //private BlobServiceClient blobServiceClient;

    public AzureStorageFacade()
    {
        // Initialize BlobServiceClient with credentials and config
    }

    public void UploadFile(string fileName, byte[] fileContent)
    {
        Console.WriteLine($"Uploading {fileName} to Azure Blob Storage");
        // BlobClient blobClient = blobServiceClient.GetBlobClient(fileName);
        // blobClient.Upload(fileContent);
    }

    public byte[] DownloadFile(string fileName)
    {
        Console.WriteLine($"Downloading {fileName} from Azure Blob Storage");
        // byte[] fileContent = blobClient.Download(fileName);
        string simulatedContent = "Simulated Azure content for " + fileName;
        return System.Text.Encoding.UTF8.GetBytes(simulatedContent);
    }
}