export const METHOD_LABELS: Record<string, string> = {
  vertical_edge: 'A: Vertikale Kanten',
  projection: 'B: Projektions-Varianz',
  hough_lines: 'C: Hough-Linien',
  text_lines: 'D: Textzeilenanalyse',
  manual: 'Manuell',
  manual_combined: 'Manuell (kombiniert)',
  none: 'Keine Korrektur',
}

export const SHEAR_METHOD_KEYS = ['vertical_edge', 'projection', 'hough_lines', 'text_lines'] as const

/** Colour for a confidence value (0-1). */
export function confColor(conf: number): string {
  if (conf >= 0.7) return 'text-green-600 dark:text-green-400'
  if (conf >= 0.5) return 'text-yellow-600 dark:text-yellow-400'
  return 'text-gray-400'
}