'use client';

import { useParams } from 'next/navigation';
import settings from 'settings';
import {
  decodePzValue,
  getPzSegmentsConfig,
  getBuiltInSegments,
  isLegacyMode
} from '../utils/pz-segments';

export function usePzParams(): {
  locale: string;
  currency: string;
  [key: string]: string;
} {
  const params = useParams() as Record<string, string>;

  if (isLegacyMode(settings)) {
    return {
      locale:
        params.locale ?? settings.localization.defaultLocaleValue,
      currency:
        params.currency ?? settings.localization.defaultCurrencyCode
    };
  }

  const pzValue = params.pz ?? '';
  const config = getPzSegmentsConfig(settings);
  const parsed = decodePzValue(pzValue, config);
  const builtIn = getBuiltInSegments(parsed, settings);

  return {
    ...parsed,
    ...builtIn
  };
}