import * as path from 'path';

import type { ProductData } from './types';

export const CONFIG = {
  siteUrl: 'https://klz-cables.com',
  publicDir: path.join(process.cwd(), 'public'),
  assetMapFile: path.join(process.cwd(), 'data/processed/asset-map.json'),
} as const;

export function stripHtml(html: string): string {
  if (!html) return '';
  let text = String(html).replace(/<[^>]*>/g, '').normalize('NFC');
  text = text
    .replace(/[\u00A0\u202F]/g, ' ')
    .replace(/[\u2013\u2014]/g, '-')
    .replace(/[\u2018\u2019]/g, "'")
    .replace(/[\u201C\u201D]/g, '"')
    .replace(/\u2026/g, '...')
    .replace(/[\u2022]/g, '·')
    .replace(/[\u2264]/g, '<=')
    .replace(/[\u2265]/g, '>=')
    .replace(/[\u2248]/g, '~')
    .replace(/[\u03A9\u2126]/g, 'Ohm')
    .replace(/[\u00B5\u03BC]/g, 'u')
    .replace(/[\u2193]/g, 'v')
    .replace(/[\u2191]/g, '^')
    .replace(/[\u00B0]/g, '°');
  // eslint-disable-next-line no-control-regex
  text = text.replace(/[\u0000-\u001F\u007F]/g, '');
  return text.replace(/\s+/g, ' ').trim();
}

export function normalizeValue(value: string): string {
  return stripHtml(value).replace(/\s+/g, ' ').trim();
}

export function getProductUrl(product: ProductData): string {
  if (product.path) return `${CONFIG.siteUrl}${product.path}`;
  return CONFIG.siteUrl;
}

export function generateFileName(product: ProductData, locale: 'en' | 'de'): string {
  const baseName = product.slug || product.translationKey || `product-${product.id}`;
  const cleanSlug = baseName
    .toLowerCase()
    .replace(/[^a-z0-9-]/g, '-')
    .replace(/-+/g, '-')
    .replace(/^-|-$/g, '');
  return `${cleanSlug}-${locale}.pdf`;
}

export function getLabels(locale: 'en' | 'de') {
  return {
    en: {
      datasheet: 'Technical Datasheet',
      description: 'APPLICATION',
      technicalData: 'TECHNICAL DATA',
      crossSection: 'Cross-sections/Voltage',
      sku: 'SKU',
      noImage: 'No image available',
    },
    de: {
      datasheet: 'Technisches Datenblatt',
      description: 'ANWENDUNG',
      technicalData: 'TECHNISCHE DATEN',
      crossSection: 'Querschnitte/Spannung',
      sku: 'ARTIKELNUMMER',
      noImage: 'Kein Bild verfügbar',
    },
  }[locale];
}