import * as interfaces from '../interfaces/index.js';

type TTranslationImplementation = {
  [key in keyof interfaces.IDeDocumentTranslations]: string;
}

export const EN_translations: TTranslationImplementation = {
  address: 'Address',
  bankConnection: 'Bank Connection',
  contactInfo: 'Contact Info',
  description: 'Description',
  invoice: 'Invoice',
  itemPos: 'Item Pos.',
  quantity: 'Quantity',
  registrationInfo: 'Registration Info',
  reverseVatNote: 'VAT arises on a reverse charge basis and is payable by the customer.',
  totalNetPrice: 'Total Net Price',
  unitNetPrice: 'Unit Net Price',
  unitType: 'Unit Type',
  yourCustomerId: 'Your Customer ID:',
  yourVatId: 'Your vat id on file:',
  continuesOnPage: 'Continues on page',
  finalPageStatement: 'This is the final page of this document.',
  page: 'Page',
};

export const DE_translations: TTranslationImplementation = {
  address: 'Adresse',
  bankConnection: 'Bankverbindung',
  contactInfo: 'Kontaktinformationen',
  description: 'Beschreibung',
  invoice: 'Rechnung',
  itemPos: 'Pos.',
  quantity: 'Anzahl',
  registrationInfo: 'HRA/HRB Info',
  reverseVatNote: 'Umkehr der Umsatzsteuerpflicht: Der Rechnungsempfänger ist für die korrekte Abrechnung der Umsatzsteuer zuständig.',
  totalNetPrice: 'Nettopreis Summe',
  unitNetPrice: 'Nettopreis',
  unitType: 'Einheit',
  yourCustomerId: 'Ihre Kundennummer:',
  yourVatId: 'Ihre Umsatzsteuer-ID:',
  continuesOnPage: 'Fortsetzung auf Seite',
  finalPageStatement: 'Diese ist die letzte Seite einer Dokumente.',
  page: 'Seite',
};

export const ES_translations: TTranslationImplementation = {
  address: 'Dirección',
  bankConnection: 'Conexión bancaria',
  contactInfo: 'Información de contacto',
  description: 'Descripción',
  invoice: 'Factura',
  itemPos: 'Pos.',
  quantity: 'Cantidad',
  registrationInfo: 'Información de registro',
  reverseVatNote: 'La declaración de IVA se aplica en base a la factura de venta, y se paga por el cliente.',
  totalNetPrice: 'Precio total neto',
  unitNetPrice: 'Precio unitario neto',
  unitType: 'Tipo de unidad',
  yourCustomerId: 'Su número de cliente:',
  yourVatId: 'Su ID de IVA:',
  continuesOnPage: 'Continues on page',
  finalPageStatement: 'This is the final page of this document.',
  page: 'Page',
};

export const languageCodeMap = {
  'DE': DE_translations,
  'EN': EN_translations,
  'ES': ES_translations,
};

export type TLanguageCode = keyof typeof languageCodeMap;

export const translate = (languageCode: TLanguageCode, key: string, defaultValue: string) => {
  const translations = languageCodeMap[languageCode] || EN_translations;
  if (translations && translations[key]) {
    return translations[key];
  } else {
    return defaultValue;
  }
};