export const REFINEMENT_DENOISE_MIN = 0.1
export const REFINEMENT_DENOISE_MAX = 0.25
export const REFINEMENT_DENOISE_DEFAULT = 0.18

export function clampRefinementDenoise(raw: unknown, fallback = REFINEMENT_DENOISE_DEFAULT) {
  const n = Number(raw)
  if (!Number.isFinite(n)) return fallback
  return Math.min(REFINEMENT_DENOISE_MAX, Math.max(REFINEMENT_DENOISE_MIN, Math.round(n * 100) / 100))
}

export function parseRefineExtensionFrame(raw: unknown, fallback = true) {
  if (raw === undefined || raw === null || raw === '') return fallback
  if (typeof raw === 'boolean') return raw
  const value = String(raw).trim().toLowerCase()
  if (value === 'true' || value === '1' || value === 'yes') return true
  if (value === 'false' || value === '0' || value === 'no') return false
  return fallback
}

export function parseSaveLosslessAnchor(raw: unknown, fallback = false) {
  return parseRefineExtensionFrame(raw, fallback)
}