using RudderSdk.Core.Abstractions;

namespace RudderSdk.Core;

/// <summary>
/// Default <see cref="ITokenStore"/> keeping tokens in memory only. Sessions do
/// not survive an app restart; provide a durable implementation for production.
/// </summary>
public sealed class InMemoryTokenStore : ITokenStore
{
    private string? _accessToken;
    private string? _refreshToken;

    /// <inheritdoc />
    public string? GetAccessToken() => _accessToken;

    /// <inheritdoc />
    public string? GetRefreshToken() => _refreshToken;

    /// <inheritdoc />
    public void SaveTokens(string accessToken, string refreshToken)
    {
        _accessToken = accessToken;
        _refreshToken = refreshToken;
    }

    /// <inheritdoc />
    public void Clear()
    {
        _accessToken = null;
        _refreshToken = null;
    }
}