/** Site-wide constants: names, URLs, navigation, route builders. Server- and client-safe (no 'use client'). */

export const SITE_NAME = 'Company Atlas';
export const TAGLINE = 'The Live Atlas of Global Companies';
export const DESCRIPTION =
  'Company Atlas continuously observes the public web to track how companies evolve — products, hiring, pricing, leadership, locations, technology, strategy and more.';
export const ALT_TAGLINE = 'Thousands of companies. Millions of observations. One continuously growing historical record.';

export const SITE_URL = (process.env.NEXT_PUBLIC_SITE_URL ?? 'https://www.company-atlas.co').replace(/\/$/, '');
export const PUBLIC_API_BASE = `${SITE_URL}/api/v1`;

export const AUTHOR_NAME = 'Simon-Pierre Boucher';
export const CONTACT_EMAIL = 'contact@spboucher.ai';
export const HOST_NAME = 'MacLustr';
export const HOST_URL = 'https://www.maclustr.io';
export const BOT_UA = 'CompanyAtlasBot';

export const THEME_LIGHT = '#f7f7f4';
export const THEME_DARK = '#0a0d12';

export type NavItem = { href: string; label: string; hint?: string };

export const primaryNav: NavItem[] = [
  { href: '/', label: 'Home' },
  { href: '/live', label: 'Live' },
  { href: '/companies', label: 'Companies' },
  { href: '/events', label: 'Events' },
  { href: '/rankings', label: 'Rankings' },
  { href: '/industry', label: 'Industries' },
  { href: '/country', label: 'Countries' },
];

export const footerGroups: { label: string; items: NavItem[] }[] = [
  {
    label: 'Atlas',
    items: [
      { href: '/companies', label: 'Companies' },
      { href: '/events', label: 'Events' },
      { href: '/live', label: 'Live feed' },
      { href: '/rankings', label: 'Rankings' },
      { href: '/industry', label: 'Industries' },
      { href: '/country', label: 'Countries' },
      { href: '/company/compare', label: 'Compare' },
    ],
  },
  {
    label: 'Data',
    items: [
      { href: '/api', label: 'API & exports' },
      { href: '/methodology', label: 'Methodology' },
      { href: '/system', label: 'System status' },
      { href: '/watchlist', label: 'Watchlist' },
    ],
  },
  {
    label: 'About',
    items: [
      { href: '/about', label: 'About Company Atlas' },
      { href: '/bot', label: 'Our crawler' },
      { href: `mailto:${CONTACT_EMAIL}`, label: 'Contact' },
    ],
  },
];

export const EXAMPLE_QUERIES = ['companies hiring AI engineers in Canada', 'pricing changes in SaaS this month', 'new offices opened in Germany', 'Stripe'];

const enc = encodeURIComponent;
export const routes = {
  home: () => '/',
  live: (q?: Record<string, string | undefined>) => withQuery('/live', q),
  companies: (q?: Record<string, string | undefined>) => withQuery('/companies', q),
  company: (slug: string, tab?: string) => (tab && tab !== 'overview' ? `/company/${enc(slug)}?tab=${tab}` : `/company/${enc(slug)}`),
  compare: (slugs: string[] = []) => (slugs.length ? `/company/compare?companies=${slugs.map(enc).join(',')}` : '/company/compare'),
  events: (q?: Record<string, string | undefined>) => withQuery('/events', q),
  event: (id: string) => `/events/${enc(id)}`,
  change: (id: string) => `/change/${enc(id)}`,
  sensor: (id: string) => `/sensor/${enc(id)}`,
  snapshot: (id: string) => `/snapshot/${enc(id)}`,
  snapshotDiff: (id: string, other: string) => `/snapshot/${enc(id)}/diff/${enc(other)}`,
  rankings: (kind?: string, window?: string) => withQuery('/rankings', { kind, window }),
  industries: () => '/industry',
  industry: (slug: string) => `/industry/${enc(slug)}`,
  countries: () => '/country',
  country: (code: string) => `/country/${enc(code.toLowerCase())}`,
  search: (q: string) => `/search?q=${enc(q)}`,
  watchlist: () => '/watchlist',
  system: () => '/system',
  about: () => '/about',
  methodology: () => '/methodology',
  api: () => '/api',
  bot: () => '/bot',
  admin: (module?: string) => (module ? `/admin/${module}` : '/admin'),
};

export function withQuery(base: string, q?: Record<string, string | number | undefined | null>): string {
  if (!q) return base;
  const p = new URLSearchParams();
  for (const [k, v] of Object.entries(q)) if (v !== undefined && v !== null && v !== '') p.set(k, String(v));
  const s = p.toString();
  return s ? `${base}?${s}` : base;
}

export const CONFIDENCE_LABELS: Record<string, string> = {
  VERIFIED: 'Verified',
  HIGH_CONFIDENCE: 'High confidence',
  LIKELY: 'Likely',
  INFERRED: 'Inferred',
  LOW_CONFIDENCE: 'Low confidence',
};

export const METRIC_LABELS: Record<string, string> = {
  activity_score: 'Activity Score',
  hiring_momentum_7d: 'Hiring Momentum 7d',
  hiring_momentum_30d: 'Hiring Momentum 30d',
  hiring_momentum_90d: 'Hiring Momentum 90d',
  open_jobs: 'Open jobs',
  ai_adoption: 'AI Adoption',
  product_velocity: 'Product Velocity',
  geo_expansion: 'Geographic Expansion',
  developer_momentum: 'Developer Momentum',
  communication_activity: 'Communication Activity',
  pricing_activity: 'Pricing Activity',
  leadership_activity: 'Leadership Activity',
  corporate_change_index: 'Corporate Change Index',
  anomaly_score: 'Anomaly Score',
  historical_coverage: 'Historical coverage',
};
export const METRIC_SHORT: Record<string, string> = {
  activity_score: 'Activity',
  hiring_momentum_30d: 'Hiring 30d',
  product_velocity: 'Product velocity',
  ai_adoption: 'AI adoption',
  corporate_change_index: 'CCI',
  geo_expansion: 'Geo expansion',
  developer_momentum: 'Developer',
  open_jobs: 'Open jobs',
};

export const RANKING_KINDS: { id: string; label: string; short: string; unit: 'score' | 'pct' | 'count' }[] = [
  { id: 'most_active', label: 'Most Active', short: 'Active', unit: 'score' },
  { id: 'hiring_growth', label: 'Fastest Hiring Growth', short: 'Hiring ↑', unit: 'pct' },
  { id: 'hiring_decline', label: 'Fastest Hiring Decline', short: 'Hiring ↓', unit: 'pct' },
  { id: 'product_velocity', label: 'Highest Product Velocity', short: 'Product', unit: 'score' },
  { id: 'ai_active', label: 'Most AI-Active', short: 'AI', unit: 'score' },
  { id: 'geo_expansion', label: 'Fastest Geographic Expansion', short: 'Geo', unit: 'score' },
  { id: 'developer_momentum', label: 'Highest Developer Momentum', short: 'Developer', unit: 'score' },
  { id: 'pricing_changes', label: 'Most Pricing Changes', short: 'Pricing', unit: 'count' },
  { id: 'unusual_activity', label: 'Most Unusual Activity', short: 'Unusual', unit: 'score' },
];
export const RANKING_WINDOWS = ['24h', '7d', '30d', '90d', '1y'] as const;

export const TIMELINE_FILTERS = ['all', 'products', 'jobs', 'pricing', 'leadership', 'locations', 'legal', 'news', 'developer'] as const;

export const SENSOR_TIER_LABELS: Record<string, string> = { A: '5–15 min', B: '30–60 min', C: '6 h', D: '24 h', E: '3–7 days' };

export const SURFACE_LABELS: Record<string, string> = {
  homepage: 'Homepage',
  about: 'About',
  careers: 'Careers',
  jobs: 'Jobs',
  newsroom: 'Newsroom',
  press: 'Press',
  blog: 'Blog',
  products: 'Products',
  pricing: 'Pricing',
  leadership: 'Leadership',
  team: 'Team',
  locations: 'Locations',
  investor_relations: 'Investor relations',
  documentation: 'Documentation',
  developer: 'Developer',
  api: 'API',
  changelog: 'Changelog',
  legal: 'Legal',
  terms: 'Terms',
  privacy: 'Privacy',
  security: 'Security',
  status: 'Status page',
  sustainability: 'Sustainability',
  partners: 'Partners',
  customers: 'Customers',
  sitemap: 'Sitemap',
  feed: 'Feed',
  other: 'Other',
};