/** The three standard difficulties, in the order the panel lists them: hardest first. */
export const LEVELS = [
  { key: 'expert', label: 'Expert' },
  { key: 'intermediate', label: 'Intermediate' },
  { key: 'beginner', label: 'Beginner' },
] as const;

export type Level = (typeof LEVELS)[number]['key'];

export const isLevel = (value: string | undefined): value is Level =>
  !!value && LEVELS.some((l) => l.key === value);

export type Replay = { file: string; level: Level; time: number; played: string; lost: boolean };