using System.Diagnostics.CodeAnalysis;
using Isopoh.Cryptography.Argon2;

namespace Iceshrimp.Backend.Core.Helpers;

public static class AuthHelpers
{
	// TODO: Implement legacy (bcrypt) hash detection
	[SuppressMessage("ReSharper.DPA", "DPA0003: Excessive memory allocations in LOH",
	                 MessageId = "type: System.UInt64[]; size: 65MB",
	                 Justification = "Argon2 is memory-heavy by design")]
	public static bool ComparePassword(string password, string hash)
	{
		return Argon2.Verify(hash, password);
	}

	[SuppressMessage("ReSharper.DPA", "DPA0003: Excessive memory allocations in LOH",
	                 MessageId = "type: System.UInt64[]; size: 65MB",
	                 Justification = "Argon2 is memory-heavy by design")]
	public static string HashPassword(string password)
	{
		return Argon2.Hash(password, parallelism: 4);
	}
}