using Google.Cloud.Kms.V1;
using Google.Protobuf.WellKnownTypes;
using System;

namespace StellaOps.Cryptography.Kms;

internal sealed partial class GcpKmsFacade
{
    private static GcpCryptoKeyVersionState MapState(CryptoKeyVersion.Types.CryptoKeyVersionState state)
        => state switch
        {
            CryptoKeyVersion.Types.CryptoKeyVersionState.Enabled => GcpCryptoKeyVersionState.Enabled,
            CryptoKeyVersion.Types.CryptoKeyVersionState.Disabled => GcpCryptoKeyVersionState.Disabled,
            CryptoKeyVersion.Types.CryptoKeyVersionState.DestroyScheduled => GcpCryptoKeyVersionState.DestroyScheduled,
            CryptoKeyVersion.Types.CryptoKeyVersionState.Destroyed => GcpCryptoKeyVersionState.Destroyed,
            CryptoKeyVersion.Types.CryptoKeyVersionState.PendingGeneration => GcpCryptoKeyVersionState.PendingGeneration,
            CryptoKeyVersion.Types.CryptoKeyVersionState.PendingImport => GcpCryptoKeyVersionState.PendingImport,
            CryptoKeyVersion.Types.CryptoKeyVersionState.ImportFailed => GcpCryptoKeyVersionState.ImportFailed,
            CryptoKeyVersion.Types.CryptoKeyVersionState.GenerationFailed => GcpCryptoKeyVersionState.GenerationFailed,
            _ => GcpCryptoKeyVersionState.Unspecified,
        };

    private DateTimeOffset ToDateTimeOffsetOrUtcNow(Timestamp? timestamp)
    {
        if (timestamp is null)
        {
            return _timeProvider.GetUtcNow();
        }

        if (timestamp.Seconds == 0 && timestamp.Nanos == 0)
        {
            return _timeProvider.GetUtcNow();
        }

        return timestamp.ToDateTimeOffset();
    }
}