using ClaudeDo.Data.Models;

namespace ClaudeDo.Worker.Prime;

public static class PrimeScheduleValidation
{
    /// <summary>Returns an error message, or null when the schedule is safe to persist.</summary>
    public static string? Validate(PrimeScheduleDto dto)
    {
        if (dto.Kind == PrimeActionKind.Custom && string.IsNullOrWhiteSpace(dto.PromptOverride))
            return "A custom Prime schedule needs a prompt.";
        return null;
    }
}