/**
 * Firmware version gates for UI features.
 *
 * Versions are compared using `parseFirmwareVersion` (e.g. 2007 → 2.0.0.7).
 * Adjust thresholds here instead of hardcoding in page components.
 */
export const FIRMWARE_FEATURE_MIN_VERSION = {
  /** Boot sound: indices 7–10 (-35…-50 dB); legacy firmware caps at index 6. */
  bootSoundExtendedSteps: 26,
  /** Subwoofer LPF/HPF full-range toggles on the Effects page. */
  subwooferFullRange: 2001,
  /** Hearing compensation section on the Effects page. */
  hearingCompensation: 2007,
  /** PEQ preset rename (peqRename) and reorder (peqSoft) in manage dialog. */
  peqPresetRenameAndSort: 2008,
  /** Audio 页面耳机最大音量和耳机启动音量设置。 */
  hpVolumeSettings: 2011,
} as const;

export type FirmwareFeatureKey = keyof typeof FIRMWARE_FEATURE_MIN_VERSION;

export function isFirmwareFeatureAvailable(
  feature: FirmwareFeatureKey,
  firmwareVersion: number,
): boolean {
  return firmwareVersion >= FIRMWARE_FEATURE_MIN_VERSION[feature];
}

/** Max `bootSound` select index (0–6 legacy, 0–10 when extended steps are supported). */
export function getBootSoundMaxIndex(firmwareVersion: number): number {
  return isFirmwareFeatureAvailable("bootSoundExtendedSteps", firmwareVersion) ? 10 : 6;
}

export function supportsPeqPresetRenameAndSort(firmwareVersion: number): boolean {
  return isFirmwareFeatureAvailable("peqPresetRenameAndSort", firmwareVersion);
}

export function supportsHpVolumeSettings(firmwareVersion: number): boolean {
  return isFirmwareFeatureAvailable("hpVolumeSettings", firmwareVersion);
}