/**
 * WebSensor taxonomy. Event types are open (strings) so the set can grow without
 * migrations, but everything we emit ourselves comes from this list and carries an
 * intrinsic severity used by the importance model.
 */

export const SENSOR_TYPES = [
  "WEBHOOK",
  "WEBSOCKET",
  "SSE",
  "REST_API",
  "GRAPHQL",
  "RSS",
  "ATOM",
  "JSON",
  "XML",
  "SITEMAP",
  "HTML",
  "RENDERED_HTML",
  "PDF_INDEX",
  "GITHUB_RELEASE",
  "GITHUB_REPO",
  "STATUSPAGE",
  "DNS",
  "TLS",
  "HTTP_HEADERS",
  "FILE",
  "CUSTOM_CONNECTOR",
] as const;
export type SensorType = (typeof SENSOR_TYPES)[number];

export const TIERS = ["S", "A", "B", "C", "D"] as const;
export type Tier = (typeof TIERS)[number];

/** Base polling interval per tier (seconds). */
export const TIER_BASE_INTERVAL: Record<Tier, number> = {
  S: 60,
  A: 180,
  B: 900,
  C: 3600,
  D: 21600,
};
export const TIER_MIN_INTERVAL: Record<Tier, number> = {
  S: 15,
  A: 60,
  B: 300,
  C: 1800,
  D: 21600,
};
export const TIER_MAX_INTERVAL: Record<Tier, number> = {
  S: 300,
  A: 1800,
  B: 7200,
  C: 21600,
  D: 86400,
};

export const CATEGORIES = [
  "ai",
  "cloud",
  "developer",
  "cyber",
  "consumer-tech",
  "semiconductors",
  "finance",
  "government",
  "statistics",
  "health",
  "pharma",
  "science",
  "space",
  "automotive",
  "commerce",
  "payments",
  "crypto",
  "enterprise",
  "internet",
  "standards",
  "technology",
  "news",
  "media",
  "politics",
] as const;
export type Category = (typeof CATEGORIES)[number] | string;

/** Public feed channels → categories that map to them. */
export const FEED_CHANNELS: Record<string, string[]> = {
  ai: ["ai"],
  cyber: ["cyber"],
  finance: ["finance", "payments", "crypto", "commerce"],
  health: ["health", "pharma"],
  government: ["government", "statistics"],
  science: ["science", "space"],
  products: ["consumer-tech", "automotive", "semiconductors", "enterprise"],
  infrastructure: ["cloud", "developer", "internet", "standards"],
  news: ["news", "media"],
};

export interface EventTypeSpec {
  /** Intrinsic severity 0–100 used as the 25 % component of importance. */
  severity: number;
  label: string;
  /** Does this type usually come with a public announcement? Used for silent-change detection. */
  usuallyAnnounced: boolean;
}

export const EVENT_TYPES: Record<string, EventTypeSpec> = {
  announcement: { severity: 55, label: "Announcement", usuallyAnnounced: true },
  product_launch: { severity: 80, label: "Product launch", usuallyAnnounced: true },
  product_update: { severity: 55, label: "Product update", usuallyAnnounced: true },
  model_release: { severity: 88, label: "Model release", usuallyAnnounced: true },
  software_release: { severity: 55, label: "Software release", usuallyAnnounced: true },
  pricing_change: { severity: 82, label: "Pricing change", usuallyAnnounced: false },
  availability_change: { severity: 62, label: "Availability change", usuallyAnnounced: false },
  policy_change: { severity: 68, label: "Policy change", usuallyAnnounced: false },
  terms_change: { severity: 66, label: "Terms change", usuallyAnnounced: false },
  documentation_change: { severity: 30, label: "Documentation change", usuallyAnnounced: false },
  API_change: { severity: 62, label: "API change", usuallyAnnounced: false },
  security_advisory: { severity: 86, label: "Security advisory", usuallyAnnounced: true },
  vulnerability: { severity: 90, label: "Vulnerability", usuallyAnnounced: true },
  breach: { severity: 95, label: "Breach", usuallyAnnounced: true },
  incident: { severity: 78, label: "Incident", usuallyAnnounced: true },
  outage: { severity: 90, label: "Outage", usuallyAnnounced: true },
  maintenance: { severity: 35, label: "Maintenance", usuallyAnnounced: true },
  recall: { severity: 85, label: "Recall", usuallyAnnounced: true },
  drug_approval: { severity: 88, label: "Drug approval", usuallyAnnounced: true },
  clinical_trial: { severity: 60, label: "Clinical trial", usuallyAnnounced: true },
  scientific_publication: { severity: 45, label: "Scientific publication", usuallyAnnounced: true },
  regulatory_filing: { severity: 65, label: "Regulatory filing", usuallyAnnounced: true },
  financial_filing: { severity: 68, label: "Financial filing", usuallyAnnounced: true },
  earnings: { severity: 75, label: "Earnings", usuallyAnnounced: true },
  leadership_change: { severity: 72, label: "Leadership change", usuallyAnnounced: true },
  acquisition: { severity: 85, label: "Acquisition", usuallyAnnounced: true },
  funding: { severity: 70, label: "Funding", usuallyAnnounced: true },
  partnership: { severity: 60, label: "Partnership", usuallyAnnounced: true },
  job_expansion: { severity: 40, label: "Job expansion", usuallyAnnounced: false },
  layoffs: { severity: 78, label: "Layoffs", usuallyAnnounced: true },
  new_region: { severity: 62, label: "New region", usuallyAnnounced: true },
  new_country: { severity: 65, label: "New country", usuallyAnnounced: true },
  infrastructure_change: { severity: 50, label: "Infrastructure change", usuallyAnnounced: false },
  api_change: { severity: 62, label: "API change", usuallyAnnounced: false },
  dns_change: { severity: 48, label: "DNS change", usuallyAnnounced: false },
  domain_registration_change: { severity: 45, label: "Domain registration change", usuallyAnnounced: false },
  crawler_policy_change: { severity: 52, label: "Crawler policy change", usuallyAnnounced: false },
  DNS_change: { severity: 45, label: "DNS change", usuallyAnnounced: false },
  certificate_change: { severity: 30, label: "Certificate change", usuallyAnnounced: false },
  repository_release: { severity: 50, label: "Repository release", usuallyAnnounced: true },
  dataset_release: { severity: 55, label: "Dataset release", usuallyAnnounced: true },
  standard_update: { severity: 58, label: "Standard update", usuallyAnnounced: true },
  government_announcement: { severity: 65, label: "Government announcement", usuallyAnnounced: true },
  economic_release: { severity: 80, label: "Economic release", usuallyAnnounced: true },
  legal_change: { severity: 70, label: "Legal change", usuallyAnnounced: true },
  monetary_policy: { severity: 92, label: "Monetary policy", usuallyAnnounced: true },
  page_created: { severity: 35, label: "Page created", usuallyAnnounced: false },
  page_removed: { severity: 40, label: "Page removed", usuallyAnnounced: false },
  content_change: { severity: 25, label: "Content change", usuallyAnnounced: false },
  unknown: { severity: 20, label: "Unknown", usuallyAnnounced: false },
  // ---- 2026-09-11: cyber event classes ----
  zero_day: { severity: 97, label: "Zero-day", usuallyAnnounced: true },
  active_exploitation: { severity: 96, label: "Active exploitation", usuallyAnnounced: true },
  patch_release: { severity: 70, label: "Patch release", usuallyAnnounced: true },
  supply_chain_attack: { severity: 95, label: "Supply-chain attack", usuallyAnnounced: true },
  credential_leak: { severity: 88, label: "Credential leak", usuallyAnnounced: true },
  malware_campaign: { severity: 80, label: "Malware campaign", usuallyAnnounced: true },
  ransomware: { severity: 88, label: "Ransomware", usuallyAnnounced: true },
  // ---- finance ----
  merger: { severity: 85, label: "Merger", usuallyAnnounced: true },
  ipo: { severity: 80, label: "IPO", usuallyAnnounced: true },
  guidance: { severity: 78, label: "Guidance", usuallyAnnounced: true },
  dividend: { severity: 60, label: "Dividend", usuallyAnnounced: true },
  buyback: { severity: 62, label: "Buyback", usuallyAnnounced: true },
  bankruptcy: { severity: 92, label: "Bankruptcy", usuallyAnnounced: true },
  capital_raise: { severity: 70, label: "Capital raise", usuallyAnnounced: true },
  rating_change: { severity: 74, label: "Rating change", usuallyAnnounced: true },
  insider_transaction: { severity: 45, label: "Insider transaction", usuallyAnnounced: true },
  // ---- government / legal ----
  regulatory_action: { severity: 76, label: "Regulatory action", usuallyAnnounced: true },
  lawsuit: { severity: 70, label: "Lawsuit", usuallyAnnounced: true },
  court_decision: { severity: 74, label: "Court decision", usuallyAnnounced: true },
  sanction: { severity: 84, label: "Sanction", usuallyAnnounced: true },
  legislation: { severity: 72, label: "Legislation", usuallyAnnounced: true },
  budget: { severity: 74, label: "Budget", usuallyAnnounced: true },
  procurement: { severity: 45, label: "Procurement", usuallyAnnounced: true },
  appointment: { severity: 62, label: "Appointment", usuallyAnnounced: true },
  emergency_notice: { severity: 90, label: "Emergency notice", usuallyAnnounced: true },
  // ---- health / science ----
  outbreak: { severity: 90, label: "Outbreak", usuallyAnnounced: true },
  drug_warning: { severity: 82, label: "Drug warning", usuallyAnnounced: true },
  device_recall: { severity: 82, label: "Device recall", usuallyAnnounced: true },
  paper_release: { severity: 45, label: "Paper", usuallyAnnounced: true },
  retraction: { severity: 70, label: "Retraction", usuallyAnnounced: true },
  space_mission: { severity: 68, label: "Space mission", usuallyAnnounced: true },
  // ---- transport ----
  accident: { severity: 88, label: "Accident", usuallyAnnounced: true },
  grounding: { severity: 85, label: "Grounding", usuallyAnnounced: true },
  safety_bulletin: { severity: 72, label: "Safety bulletin", usuallyAnnounced: true },
  route_change: { severity: 50, label: "Route change", usuallyAnnounced: true },
  production_delay: { severity: 65, label: "Production delay", usuallyAnnounced: true },
  // ---- product / service ----
  service_launch: { severity: 70, label: "Service launch", usuallyAnnounced: true },
  service_shutdown: { severity: 78, label: "Service shutdown", usuallyAnnounced: false },
  feature_removed: { severity: 66, label: "Feature removed", usuallyAnnounced: false },
  domain_change: { severity: 50, label: "Domain change", usuallyAnnounced: false },
  sports_transaction: { severity: 40, label: "Transaction", usuallyAnnounced: true },
  sports_result: { severity: 25, label: "Result", usuallyAnnounced: true },
  suspension: { severity: 45, label: "Suspension", usuallyAnnounced: true },
  schedule_change: { severity: 35, label: "Schedule change", usuallyAnnounced: true },
};

export function eventTypeSpec(type: string): EventTypeSpec {
  return EVENT_TYPES[type] ?? EVENT_TYPES.unknown!;
}

/** Event types whose silent modification is a signal (pricing quietly changed, terms rewritten…). */
export const SILENT_ELIGIBLE_TYPES = new Set([
  "pricing_change",
  "terms_change",
  "policy_change",
  "API_change",
  "api_change",
  "availability_change",
  "documentation_change",
  "service_shutdown",
  "feature_removed",
  "leadership_change",
  "page_removed",
  "crawler_policy_change",
  "product_update",
  "infrastructure_change",
]);

/** Groups used by filters, category desks and the explore page. */
export const EVENT_GROUPS: Record<string, { label: string; types: string[] }> = {
  security: { label: "Security", types: ["zero_day", "active_exploitation", "vulnerability", "security_advisory", "breach", "supply_chain_attack", "credential_leak", "malware_campaign", "ransomware", "patch_release"] },
  reliability: { label: "Reliability", types: ["outage", "incident", "maintenance", "infrastructure_change", "dns_change", "DNS_change", "certificate_change"] },
  product: { label: "Product & API", types: ["product_launch", "product_update", "model_release", "software_release", "repository_release", "service_launch", "service_shutdown", "feature_removed", "API_change", "api_change", "availability_change", "new_region", "new_country", "documentation_change"] },
  commercial: { label: "Pricing & terms", types: ["pricing_change", "terms_change", "policy_change", "crawler_policy_change"] },
  corporate: { label: "Corporate", types: ["earnings", "guidance", "financial_filing", "acquisition", "merger", "ipo", "funding", "capital_raise", "dividend", "buyback", "bankruptcy", "rating_change", "insider_transaction", "leadership_change", "appointment", "layoffs", "job_expansion", "partnership"] },
  government: { label: "Government & legal", types: ["government_announcement", "regulatory_filing", "regulatory_action", "legislation", "budget", "procurement", "sanction", "lawsuit", "court_decision", "legal_change", "emergency_notice", "monetary_policy", "economic_release"] },
  science: { label: "Science & health", types: ["scientific_publication", "paper_release", "retraction", "dataset_release", "clinical_trial", "drug_approval", "drug_warning", "recall", "device_recall", "outbreak", "space_mission", "standard_update"] },
  transport: { label: "Transport", types: ["accident", "grounding", "safety_bulletin", "route_change", "production_delay"] },
  sports: { label: "Sports", types: ["sports_transaction", "sports_result", "suspension", "schedule_change"] },
  web: { label: "Web", types: ["announcement", "page_created", "page_removed", "content_change", "domain_change", "domain_registration_change", "unknown"] },
};

export function eventGroupOf(type: string): string {
  for (const [g, spec] of Object.entries(EVENT_GROUPS)) if (spec.types.includes(type)) return g;
  return "web";
}

/** Semantic classes assigned to every raw change by the semantic diff stage. */
export const CHANGE_CLASSES = ["meaningful", "pricing", "policy", "product", "personnel", "cosmetic", "navigation", "timestamp", "advertisement", "boilerplate"] as const;
export type ChangeClass = (typeof CHANGE_CLASSES)[number];
export const NOISE_CLASSES = new Set<ChangeClass>(["cosmetic", "navigation", "timestamp", "advertisement", "boilerplate"]);

/** Cluster / breaking states. */
export const CLUSTER_STATES = ["breaking", "developing", "confirmed", "watching", "closed"] as const;
export type ClusterState = (typeof CLUSTER_STATES)[number];

/** Priority tiers for scheduling (spec §76). Derived from tier + category. */
export const PRIORITY_LABELS: Record<number, string> = { 0: "TIER 0 · critical", 1: "TIER 1 · major", 2: "TIER 2 · specialized", 3: "TIER 3 · low urgency" };

/** Countries with dedicated desks. ISO 3166-1 alpha-2 (plus EU / INT). */
export const COUNTRIES: Record<string, { name: string; slug: string; flag: string }> = {
  CA: { name: "Canada", slug: "canada", flag: "🇨🇦" },
  US: { name: "United States", slug: "united-states", flag: "🇺🇸" },
  EU: { name: "European Union", slug: "european-union", flag: "🇪🇺" },
  GB: { name: "United Kingdom", slug: "united-kingdom", flag: "🇬🇧" },
  FR: { name: "France", slug: "france", flag: "🇫🇷" },
  DE: { name: "Germany", slug: "germany", flag: "🇩🇪" },
  IT: { name: "Italy", slug: "italy", flag: "🇮🇹" },
  ES: { name: "Spain", slug: "spain", flag: "🇪🇸" },
  JP: { name: "Japan", slug: "japan", flag: "🇯🇵" },
  KR: { name: "South Korea", slug: "south-korea", flag: "🇰🇷" },
  AU: { name: "Australia", slug: "australia", flag: "🇦🇺" },
  IN: { name: "India", slug: "india", flag: "🇮🇳" },
  BR: { name: "Brazil", slug: "brazil", flag: "🇧🇷" },
  MX: { name: "Mexico", slug: "mexico", flag: "🇲🇽" },
  CH: { name: "Switzerland", slug: "switzerland", flag: "🇨🇭" },
  NL: { name: "Netherlands", slug: "netherlands", flag: "🇳🇱" },
  SE: { name: "Sweden", slug: "sweden", flag: "🇸🇪" },
  NO: { name: "Norway", slug: "norway", flag: "🇳🇴" },
  FI: { name: "Finland", slug: "finland", flag: "🇫🇮" },
  DK: { name: "Denmark", slug: "denmark", flag: "🇩🇰" },
  IE: { name: "Ireland", slug: "ireland", flag: "🇮🇪" },
  BE: { name: "Belgium", slug: "belgium", flag: "🇧🇪" },
  AT: { name: "Austria", slug: "austria", flag: "🇦🇹" },
  PT: { name: "Portugal", slug: "portugal", flag: "🇵🇹" },
  PL: { name: "Poland", slug: "poland", flag: "🇵🇱" },
  CN: { name: "China", slug: "china", flag: "🇨🇳" },
  HK: { name: "Hong Kong", slug: "hong-kong", flag: "🇭🇰" },
  TW: { name: "Taiwan", slug: "taiwan", flag: "🇹🇼" },
  SG: { name: "Singapore", slug: "singapore", flag: "🇸🇬" },
  IL: { name: "Israel", slug: "israel", flag: "🇮🇱" },
  AE: { name: "United Arab Emirates", slug: "uae", flag: "🇦🇪" },
  SA: { name: "Saudi Arabia", slug: "saudi-arabia", flag: "🇸🇦" },
  QA: { name: "Qatar", slug: "qatar", flag: "🇶🇦" },
  ZA: { name: "South Africa", slug: "south-africa", flag: "🇿🇦" },
  NG: { name: "Nigeria", slug: "nigeria", flag: "🇳🇬" },
  KE: { name: "Kenya", slug: "kenya", flag: "🇰🇪" },
  AR: { name: "Argentina", slug: "argentina", flag: "🇦🇷" },
  CL: { name: "Chile", slug: "chile", flag: "🇨🇱" },
  CO: { name: "Colombia", slug: "colombia", flag: "🇨🇴" },
  NZ: { name: "New Zealand", slug: "new-zealand", flag: "🇳🇿" },
  RU: { name: "Russia", slug: "russia", flag: "🇷🇺" },
  TR: { name: "Türkiye", slug: "turkiye", flag: "🇹🇷" },
  ID: { name: "Indonesia", slug: "indonesia", flag: "🇮🇩" },
  TH: { name: "Thailand", slug: "thailand", flag: "🇹🇭" },
  VN: { name: "Vietnam", slug: "vietnam", flag: "🇻🇳" },
  MY: { name: "Malaysia", slug: "malaysia", flag: "🇲🇾" },
  PH: { name: "Philippines", slug: "philippines", flag: "🇵🇭" },
  EG: { name: "Egypt", slug: "egypt", flag: "🇪🇬" },
  UA: { name: "Ukraine", slug: "ukraine", flag: "🇺🇦" },
  CZ: { name: "Czechia", slug: "czechia", flag: "🇨🇿" },
  GR: { name: "Greece", slug: "greece", flag: "🇬🇷" },
  LU: { name: "Luxembourg", slug: "luxembourg", flag: "🇱🇺" },
  INT: { name: "International", slug: "international", flag: "🌐" },
};

export function countryBySlug(slug: string): { code: string; name: string; flag: string } | null {
  const s = slug.toLowerCase();
  for (const [code, c] of Object.entries(COUNTRIES)) if (c.slug === s || code.toLowerCase() === s) return { code, name: c.name, flag: c.flag };
  return null;
}

export const ENTITY_TYPES = [
  "organization",
  "company",
  "government",
  "agency",
  "product",
  "software",
  "AI_model",
  "API",
  "drug",
  "disease",
  "person",
  "country",
  "city",
  "stock",
  "crypto_asset",
  "repository",
  "standard",
  "technology",
  "dataset",
  "publication",
  "vulnerability",
] as const;
export type EntityType = (typeof ENTITY_TYPES)[number];

export const EVIDENCE_LABELS = ["OBSERVED", "INFERRED", "CONFIRMED", "UNCONFIRMED"] as const;
export type EvidenceLabel = (typeof EVIDENCE_LABELS)[number];

export const CONNECTOR_HEALTH = ["UP", "DEGRADED", "ERROR", "DISABLED", "RATE_LIMITED"] as const;
export type ConnectorHealth = (typeof CONNECTOR_HEALTH)[number];