// Groomsmen: name (lowercase) → last 4 digits of phone number
export const GROOMSMEN = {
  jon:          '7506',
  toph:         '8116',
  hans:         '6681',
  janno:        '2809',
  jt:           '3286',
  Cordero:      '0379',  // no last name given
  lester:       '8014',
  nick:         '6044',
  david:        '5993',
  poalo:        '9922',  // likely "Paolo"
  justin:       '2329',
  benstewart:   '1957',
  joseph:       '4976',
  francis:      '4934',
  chris:        '1584',  // Chris Mayor — admin
}

// Reverse map: last4 → display name
export const GROOMSMEN_BY_PIN = Object.fromEntries(
  Object.entries(GROOMSMEN).map(([name, pin]) => [pin, name])
)

/**
 * Validate a name + 4-digit PIN combination.
 * Name must match a key in GROOMSMEN (case-insensitive).
 * PIN must match that entry's value.
 */
export function validateGroomsman(name, pin) {
  const key = name.trim().toLowerCase().replace(/\s+/g, '')
  const entry = GROOMSMEN[key]
  if (!entry) return false
  return entry === pin.trim()
}

/**
 * Resolve the canonical display name for a validated groomsman.
 */
export function getCanonicalName(name) {
  const key = name.trim().toLowerCase().replace(/\s+/g, '')
  return GROOMSMEN[key] ? key : name.trim()
}