export const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL ?? 'https://www.cancerindex.io';
export const SITE_NAME = 'CancerIndex';
export const TAGLINE = 'The global index of cancer.';
export const DISCLAIMER =
  'CancerIndex is a research and information platform. It is not a physician, does not diagnose, and does not recommend treatment. Population statistics do not predict individual outcomes.';
export const CONTACT_EMAIL = 'contact@spboucher.ai';
export const AUTHOR_NAME = 'Simon-Pierre Boucher';
export const AUTHOR_URL = 'https://www.spboucher.ai';
export const HOSTING_NAME = 'MacLustr';
export const HOSTING_URL = 'https://www.maclustr.io';

export const NAV = [
  { href: '/cancers', label: 'Cancers' },
  { href: '/explore', label: 'Data' },
  { href: '/trials', label: 'Trials' },
  { href: '/drugs', label: 'Drugs' },
  { href: '/genes', label: 'Genes' },
  { href: '/biomarkers', label: 'Biomarkers' },
  { href: '/approvals', label: 'Approvals' },
  { href: '/rankings', label: 'Rankings' },
  { href: '/research-gap', label: 'Research gap' },
  { href: '/graph', label: 'Graph' },
] as const;

/** Secondary navigation (mobile menu + footer): everything not in the primary bar. */
export const MORE_NAV = [
  { href: '/pulse', label: 'Pulse' },
  { href: '/data-updates', label: 'Data updates' },
  { href: '/year/2025', label: 'Year in cancer' },
  { href: '/taxonomy', label: 'Taxonomy' },
  { href: '/countries', label: 'Countries' },
  { href: '/compare', label: 'Compare' },
  { href: '/trials/intelligence', label: 'Trial intelligence' },
  { href: '/trials/map', label: 'Trial map' },
  { href: '/pipeline', label: 'Drug pipeline' },
  { href: '/sources', label: 'Sources' },
  { href: '/methodology', label: 'Methodology' },
] as const;

export const FOOTER_NAV = [
  { href: '/about', label: 'About' },
  { href: '/trust', label: 'Trust & policies' },
  { href: '/explore', label: 'Data explorer' },
  { href: '/data', label: 'Data downloads' },
  { href: '/pulse', label: 'Pulse' },
  { href: '/data-updates', label: 'Data update log' },
  { href: '/developers', label: 'Developers (API)' },
  { href: '/sources', label: 'Sources' },
  { href: '/methodology', label: 'Methodology' },
  { href: '/taxonomy', label: 'Taxonomy' },
  { href: '/countries', label: 'Countries' },
  { href: '/compare', label: 'Compare' },
] as const;

/** External identifier browsers (chips on cancer pages link out to the authority). */
export function codeUrl(system: string, code: string): string | null {
  switch (system) {
    case 'ncit':
      return `https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/${encodeURIComponent(code)}`;
    case 'oncotree':
      return `https://oncotree.mskcc.org/?version=oncotree_latest_stable&field=CODE&search=${encodeURIComponent(code)}`;
    case 'icd10':
    case 'icd10cm':
      return `https://icd.who.int/browse10/2019/en#/${encodeURIComponent(code)}`;
    case 'doid':
      return `https://disease-ontology.org/?id=${encodeURIComponent(code.startsWith('DOID:') ? code : `DOID:${code}`)}`;
    case 'umls':
      return `https://uts.nlm.nih.gov/uts/umls/concept/${encodeURIComponent(code)}`;
    case 'mesh':
      return `https://meshb.nlm.nih.gov/record/ui?ui=${encodeURIComponent(code)}`;
    case 'mondo':
      return `https://monarchinitiative.org/${encodeURIComponent(code)}`;
    case 'efo':
      return `https://www.ebi.ac.uk/efo/${encodeURIComponent(code)}`;
    case 'orphanet':
      return `https://www.orpha.net/en/disease/detail/${encodeURIComponent(code.replace(/^ORPHA:?/i, ''))}`;
    case 'gdc_project':
      return `https://portal.gdc.cancer.gov/projects/${encodeURIComponent(code)}`;
    default:
      return null;
  }
}

export const CODE_SYSTEM_LABEL: Record<string, string> = {
  ncit: 'NCIt',
  oncotree: 'OncoTree',
  icd10: 'ICD-10',
  icd10cm: 'ICD-10-CM',
  icdo_topography: 'ICD-O topography',
  icdo_morphology: 'ICD-O morphology',
  doid: 'DOID',
  umls: 'UMLS CUI',
  mesh: 'MeSH',
  mondo: 'MONDO',
  seer_site: 'SEER site',
  efo: 'EFO',
  orphanet: 'Orphanet',
  gdc_project: 'GDC project',
};