namespace RudderSdk.Core.Abstractions;

/// <summary>
/// Persists the session token pair. The default is <see cref="InMemoryTokenStore"/>;
/// games should provide a durable implementation (player prefs, keychain, ...).
/// </summary>
public interface ITokenStore
{
    /// <summary>Returns the current access token, or null when signed out.</summary>
    string? GetAccessToken();

    /// <summary>Returns the current refresh token, or null when signed out.</summary>
    string? GetRefreshToken();

    /// <summary>Stores a fresh token pair.</summary>
    void SaveTokens(string accessToken, string refreshToken);

    /// <summary>Drops both tokens (logout / session expiry).</summary>
    void Clear();
}