namespace SpaceGame.Api.Universe.Scenario;

internal static class SystemSelectionPolicy
{
    internal static readonly string[] PreferredSystemIds =
    [
      "sol",
      "helios",
    ];

    internal static string SelectFallbackSystemId(IReadOnlyList<string> availableSystemIds)
    {
        foreach (var preferredSystemId in PreferredSystemIds)
        {
            if (availableSystemIds.Contains(preferredSystemId, StringComparer.Ordinal))
            {
                return preferredSystemId;
            }
        }

        return availableSystemIds.FirstOrDefault() ?? string.Empty;
    }
}