using StellaOps.Cryptography;
using StellaOps.Cryptography.Plugin.BouncyCastle;
namespace StellaOps.Cryptography.Tests;
public sealed partial class BouncyCastleSignVerifyRoundtripTests
{
    private static BouncyCastleEd25519CryptoProvider CreateProvider()
        => new();

    private static ICryptoSigner SetupSigner(
        BouncyCastleEd25519CryptoProvider provider,
        string keyId,
        int? seed = null)
    {
        var privateKeyBytes = seed.HasValue
            ? Enumerable.Range(seed.Value, 32).Select(i => (byte)(i % 256)).ToArray()
            : Enumerable.Range(0, 32).Select(i => (byte)i).ToArray();

        var keyReference = new CryptoKeyReference(keyId, provider.Name);
        var signingKey = new CryptoSigningKey(
            keyReference,
            SignatureAlgorithms.Ed25519,
            privateKeyBytes,
            createdAt: FixedNow);

        provider.UpsertSigningKey(signingKey);
        return provider.GetSigner(SignatureAlgorithms.Ed25519, keyReference);
    }

    private static byte[] CreateLargeMessage()
    {
        var message = new byte[1_000_000];
        for (var i = 0; i < message.Length; i++)
        {
            message[i] = (byte)(i % 256);
        }
        return message;
    }
}