// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;
using System.IO;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace CustomEncryptorSample
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var keysFolder = Path.Combine(Directory.GetCurrentDirectory(), "temp-keys");
            using (var services = new ServiceCollection()
                .AddLogging(o => o.AddConsole().SetMinimumLevel(LogLevel.Debug))
                .AddDataProtection()
                .PersistKeysToFileSystem(new DirectoryInfo(keysFolder))
                .UseXmlEncryptor(s => new CustomXmlEncryptor(s))
                .Services.BuildServiceProvider())
            {
                var protector = services.GetDataProtector("SamplePurpose");

                // protect the payload
                var protectedPayload = protector.Protect("Hello World!");
                Console.WriteLine($"Protect returned: {protectedPayload}");

                // unprotect the payload
                var unprotectedPayload = protector.Unprotect(protectedPayload);
                Console.WriteLine($"Unprotect returned: {unprotectedPayload}");
            }
        }
    }
}