export type InstallBannerVariant = 'prompt' | 'ios';

export type InstallBannerState = {
  variant: InstallBannerVariant;
};

export type InstallBannerInput = {
  isInstalled: boolean;
  isStandalone: boolean;
  canInstall: boolean;
  isIos: boolean;
};

export function resolveInstallBannerState(input: InstallBannerInput): InstallBannerState | null {
  if (input.isInstalled || input.isStandalone) {
    return null;
  }

  if (input.canInstall) {
    return { variant: 'prompt' };
  }

  if (input.isIos) {
    return { variant: 'ios' };
  }

  return null;
}