import { formatAmd, type Locale } from '@barev/i18n';
import type { LandingCatalog } from './data';

/** Страницы услуг под поисковые запросы: адрес, количество блоков в текстах и откуда брать цены */
export type ServicePageId = 'socialCard' | 'residence' | 'airport';

export interface ServicePageConfig {
  id: ServicePageId;
  path: '/social-card' | '/residence-permit' | '/airport';
  /** schema.org serviceType — для JSON-LD */
  serviceType: string;
  steps: number;
  blocks: number;
  prices: number;
  faq: number;
  /** подстановки для текстов: цены из админки и скидки по направлениям */
  vars: (c: LandingCatalog, locale: Locale) => Record<string, string>;
  /** цены для разметки Offer, ֏ */
  offers: (c: LandingCatalog) => { name: string; price: number; minPrice?: boolean }[];
}

const pct = (c: LandingCatalog, code: 'HOME' | 'DOCS') => String(c.categories.find((x) => x.code === code)?.barevPlusDiscountPct ?? 0);

export const SERVICE_PAGES: Record<ServicePageId, ServicePageConfig> = {
  socialCard: {
    id: 'socialCard',
    path: '/social-card',
    serviceType: 'Public Services Number (social card) registration in Armenia',
    steps: 5,
    blocks: 4,
    prices: 2,
    faq: 5,
    vars: (c, l) => ({ price: formatAmd(l, c.offer.socialCard), docsPct: pct(c, 'DOCS') }),
    offers: (c) => [{ name: 'Social card, end to end', price: c.offer.socialCard }],
  },
  residence: {
    id: 'residence',
    path: '/residence-permit',
    serviceType: 'Residence permit support in Armenia',
    steps: 6,
    blocks: 5,
    prices: 4,
    faq: 6,
    vars: (c, l) => ({
      consult: formatAmd(l, c.offer.consultation),
      escort: formatAmd(l, c.offer.residenceEscortFrom),
      fee: formatAmd(l, c.offer.residenceStateFee),
    }),
    offers: (c) => [
      { name: 'Consultation', price: c.offer.consultation },
      { name: 'Residence permit support', price: c.offer.residenceEscortFrom, minPrice: true },
    ],
  },
  airport: {
    id: 'airport',
    path: '/airport',
    serviceType: 'Airport transfer with meet and greet, Zvartnots (EVN) to Yerevan',
    steps: 5,
    blocks: 3,
    prices: 4,
    faq: 5,
    vars: (c, l) => ({
      standard: formatAmd(l, c.offer.transferStandard),
      premium: formatAmd(l, c.offer.transferPremium),
      hotelPlus: formatAmd(l, c.offer.hotelWithPlus),
      hotelBase: formatAmd(l, c.offer.hotelBase),
      homePct: pct(c, 'HOME'),
    }),
    offers: (c) => [
      { name: 'Standard', price: c.offer.transferStandard },
      { name: 'Premium', price: c.offer.transferPremium },
    ],
  },
};

export const SERVICE_PATHS = Object.values(SERVICE_PAGES).map((p) => p.path);

/** 1..n — для перебора ключей s1, s2, … */
export const range = (n: number) => Array.from({ length: n }, (_, i) => i + 1);