using System;

namespace StellaOps.Cryptography.Plugin.PqSoft;

public sealed partial class PqSoftCryptoProvider
{
    private bool GateEnabled()
    {
        if (!_options.RequireEnvironmentGate)
        {
            return true;
        }

        var value = Environment.GetEnvironmentVariable(EnvGate);
        return string.Equals(value, "1", StringComparison.OrdinalIgnoreCase) ||
               string.Equals(value, "true", StringComparison.OrdinalIgnoreCase);
    }

    private void EnsureAllowed()
    {
        if (!GateEnabled())
        {
            throw new InvalidOperationException($"Provider '{Name}' is disabled. Set {EnvGate}=1 or disable RequireEnvironmentGate to enable.");
        }
    }
}