export type NodeStatus = "online" | "offline" | "recording" | "unconfigured";
export type ApprovalStatus = "pending" | "approved" | "rejected";
export type UserRole = "admin" | "operator" | "viewer";

export interface UserRecord {
  uid: string;
  email: string | null;
  display_name: string | null;
  role: UserRole;
  owned_node_ids: string[];
  disabled: boolean;
  creation_time: string | null;
  last_sign_in: string | null;
  discord_linked: boolean;
  discord_username: string | null;
  discord_user_id: string | null;
  /** The org whose data this user can read; null = none (sees nothing). */
  org_id?: string | null;
  org_role?: "owner" | "member" | null;
  // only present on GET /admin/users/{uid}
  sessions?: UserSession[];
  // only present on POST /admin/users response
  invite_link?: string | null;
}

export interface UserSession {
  session_id: string;
  uid: string;
  email: string;
  timestamp: string;
  ip: string | null;
  user_agent: string | null;
}

export interface AuditEntry {
  log_id: string;
  action: string;
  actor_uid: string;
  actor_email: string;
  target_uid: string | null;
  target_email: string | null;
  details: Record<string, unknown>;
  timestamp: string;
}

/** One conventional channel as the node reports it (node-26#24). */
export interface RadioChannel {
  name: string;
  freq: number | null; // Hz
  nac: number | null;
  encrypted: boolean; // the channel's most recent call was encrypted
  encrypted_now: boolean;
  enc_calls: number;
  clear_calls: number;
  algid: number | null;
  keyid: number | null;
  voice: boolean;
}

export interface NodeRecord {
  node_id: string;
  name: string;
  lat: number;
  lon: number;
  status: NodeStatus;
  configured: boolean;
  last_seen: string | null;
  assigned_system_id: string | null;
  approval_status: ApprovalStatus | null;
  hardware_preset?: string;
  ppm_override?: number | null;
  node_type?: string;
  secondary_sdr_mode?: string; // legacy; priority[0] on current nodes
  /** Ordered decoders for the SDRs beyond OP25's, run top-down (node-26#9). */
  secondary_sdr_priority?: string[];
  /** What the node's last checkin reported actually running. */
  secondary_sdr_running?: string[] | null;
  /** node-26#11: service (op25/adsb/ais) -> dongle serial; absent = automatic. */
  sdr_pins?: Record<string, string>;
  /** Dongles the node detected, from its checkin; null/absent = not reported. */
  sdr_devices?: SdrDevice[] | null;
  /** The dongle OP25 is actually using, per the node. */
  op25_sdr_serial?: string | null;
  sdr_count?: number | null; // null = never reported
  /** node-26#24: conventional channels from the last checkin; [] on a trunked system. */
  radio_channels?: RadioChannel[] | null;
  enforce_override_timeout?: boolean;
  is_overridden?: boolean;
  override_system_id?: string | null;
  override_timeout_at?: string | null;
  /** node-26#15 host updater: last "Update Node" request, and what the node did with it. */
  update_requested_at?: string | null;
  update_applied_at?: string | null;
  update_result?: "ok" | "failed" | null;
  /** Last HTTPS check-in from the host updater — alive even when MQTT is not. */
  updater_last_check_at?: string | null;
  updater_sha?: string | null;
}

export interface SdrDevice {
  index: number;
  serial: string | null;
  name: string;
  duplicate_serial: boolean;
}

export interface AircraftTrack {
  icao: string;
  org_id?: string;
  node_id: string;
  callsign: string | null;
  lat: number | null;
  lon: number | null;
  altitude_ft: number | null;
  ground_speed_kt: number | null;
  track_deg: number | null;
  last_seen: string;
}

/** One point of an aircraft's flight path — aircraft/{icao}/positions. */
export interface AircraftTrailPoint {
  lat: number;
  lon: number;
  altitude_ft: number | null;
  t: string;
}

export interface VesselTrack {
  mmsi: string;
  org_id?: string;
  node_id: string;
  name: string | null;
  lat: number | null;
  lon: number | null;
  speed_kt: number | null;
  heading_deg: number | null;
  last_seen: string;
}

// 511NY traffic layer (server-26#183) — GET /traffic/511, cached server-side,
// not Firestore. *_local times are New York local, no offset: display only.
/**
 * One public camera from any enabled provider (GET /cameras, live ops wall).
 * `id` is provider-prefixed ("ny511:NYSDOT-1"). `heading_deg` is APPROXIMATE —
 * most sources publish the road's direction of travel, not the camera heading.
 */
export interface Camera {
  id: string;
  provider: string;
  lat: number;
  lon: number;
  name: string;
  roadway: string;
  direction: string;
  heading_deg: number | null;
  image_url: string | null;
  video_url: string | null;
}
/** Kept for older call sites; every camera is now a provider camera. */
export type Ny511Camera = Camera;

/** What must travel with a provider's imagery: credit, link, pass-through disclaimer. */
export interface CameraCredit {
  attribution: string | null;
  attribution_url: string | null;
  disclaimer: string | null;
}

export interface CameraProviderFeed extends CameraCredit {
  id: string;
  name: string;
  fetched_at: number | null;   // epoch s of the provider's last successful catalog fetch
  error: string | null;
  total_in_bbox: number;
  truncated: boolean;
}

export interface CamerasResponse {
  cameras: Camera[];
  providers: CameraProviderFeed[];
  serving_count: number;       // providers enabled anywhere (0 → "none enabled" empty state)
}

export type LicenceStatus =
  | "commercial_ok" | "attribution_required" | "agreement_required"
  | "non_commercial" | "unverified" | "paid" | "prohibited";

/** Admin → Camera providers (GET /admin/camera-providers). */
export interface CameraProviderAdmin {
  id: string;
  name: string;
  region: string;
  formats: string;
  implemented: boolean;
  notes: string;
  homepage: string | null;
  licence: {
    status: LicenceStatus;
    label: string;
    terms: string;
    terms_url: string | null;
    attribution: string | null;
    attribution_url: string | null;
    disclaimer: string | null;
    issue: string | null;
    gated: boolean;
    warning: string | null;
  };
  enabled: boolean;
  serving: boolean;
  not_serving_reason: string | null;
  acknowledgement: { by_uid: string; by_email: string; at: string; licence_status: string; warning: string } | null;
  updated_at: string | null;
  updated_by: { uid: string; email: string } | null;
  key_setting: string | null;
  key_missing: boolean;
  health: { fetched_at: number | null; last_attempt_at: number | null; error: string | null; count: number } | null;
}

// Power outages (server-26#184) — GET /outages, cached server-side, not Firestore.
/**
 * One county with active outages from an enabled provider. `id` is
 * provider-prefixed ("odin:36067"). Counts are utility-reported meters, used
 * as customers. `lat`/`lon` is the centre of the county's bounding box — a
 * label point, not an outage location. Times are ISO-8601 UTC.
 */
export interface OutageArea {
  id: string;
  provider: string;
  fips: string;
  county: string | null;
  state: string | null;
  customers_out: number;             // live events only
  /** Meters on events the source still lists whose own ETR passed >24h ago (ODIN keeps months-old rows). */
  stale_customers_out: number;
  stale: boolean;                    // every event in the county is stale: dim or hide, never show as live
  customers_served: number | null;   // null: no county-level denominator from the source
  etr: string | null;                // latest estimated restoration across the county's outages
  since: string | null;              // earliest reported start
  updated_at: string | null;         // newest time a reporting utility here last sent data
  lat: number | null;
  lon: number | null;
  bbox: [number, number, number, number] | null;   // south, west, north, east
  utilities: { name: string | null; eia_id: string | null; customers_out: number; stale_customers_out: number }[];
}

export interface OutageProviderFeed extends CameraCredit {
  id: string;
  name: string;
  granularity: string;
  coverage_note: string | null;
  covers_bbox: boolean;
  fetched_at: number | null;   // epoch s of the provider's last successful fetch
  error: string | null;
  total_in_bbox: number;
  truncated: boolean;
}

export interface OutagesResponse {
  areas: OutageArea[];
  providers: OutageProviderFeed[];
  serving_count: number;
  /** Why the list is what it is — an empty layer is never ambiguous. */
  status: "ok" | "none_enabled" | "no_source" | "error";
  message: string | null;
}

/** Admin → Outage providers (GET /admin/outage-providers). */
export interface OutageProviderAdmin {
  id: string;
  name: string;
  region: string;
  granularity: string;
  implemented: boolean;
  notes: string;
  homepage: string | null;
  licence: CameraProviderAdmin["licence"];
  enabled: boolean;
  serving: boolean;
  not_serving_reason: string | null;
  acknowledgement: CameraProviderAdmin["acknowledgement"];
  updated_at: string | null;
  updated_by: { uid: string; email: string } | null;
  coverage_note: string | null;
  health: CameraProviderAdmin["health"];
}

export interface Ny511Event {
  id: string;
  lat: number;
  lon: number;
  type: string;
  subtype: string;
  severity: string;
  roadway: string;
  direction: string;
  county: string;
  description: string;
  start_local: string | null;
  planned_end_local: string | null;
  updated_local: string | null;
}

export interface Ny511FeedStatus {
  fetched_at: number | null;  // epoch seconds of the last successful 511NY fetch
  error: string | null;       // set when the latest refresh failed (data is then stale)
  total_in_bbox: number;
  truncated: boolean;
  /** True when an admin has not enabled the 511NY provider (default OFF, DAA-gated). */
  disabled?: boolean;
}

export interface Ny511Response {
  cameras?: Camera[];
  cameras_status?: Ny511FeedStatus;
  events?: Ny511Event[];
  events_status?: Ny511FeedStatus;
  /** DAA: source credit + NYSDOT as-is disclaimer, present when the feed is served. */
  credit?: CameraCredit;
}

// ── Weather context (server-26#237) — GET /weather/alerts, GET /weather/wind ──

/** GeoJSON (Multi)Polygon, [lon, lat] order. */
export type WeatherGeometry =
  | { type: "Polygon"; coordinates: number[][][] }
  | { type: "MultiPolygon"; coordinates: number[][][][] };

/** One active NWS alert as c2-core normalises it (app/internal/weather.py normalize_alert). */
export interface WeatherAlertBase {
  id: string;
  event: string;
  severity: string | null;
  urgency: string | null;
  headline: string | null;
  onset: string | null;
  expires: string | null;
  ends: string | null;
  /** An NWS office ("NWS Upton NY"), never a person. */
  sender_name: string | null;
  area_desc: string | null;
  zones: string[];
}

export interface WeatherAlert extends WeatherAlertBase {
  geometry: WeatherGeometry;
  /** "alert": NWS drew the polygon; "zones": assembled from the affected forecast/county zones. */
  geometry_source: "alert" | "zones";
  /** [south, west, north, east]. */
  bbox: [number, number, number, number] | null;
  /** >0: some zones could not be fetched, so the drawn area is smaller than the real one. */
  zones_unresolved?: number;
}

export interface WeatherAlertsResponse {
  alerts: WeatherAlert[];
  /** Alerts with no resolvable shape — listed, never dropped, never bbox-filtered. */
  zone_only: WeatherAlertBase[];
  /** Epoch s of the server's last SUCCESSFUL NWS fetch; null = never. */
  fetched_at: number | null;
  /** Set when the latest refresh failed; `alerts` is then the last good data. */
  error: string | null;
  credit: string;
}

export interface WindObs {
  station: string;
  station_name: string;
  lat: number;
  lon: number;
  obs_time: string | null;
  /** Direction the wind blows FROM, degrees true; null when variable or calm. */
  wind_dir_deg: number | null;
  variable: boolean;
  wind_kt: number;
  gust_kt: number | null;
  raw: string | null;
  distance_km: number;
  /** Report older than 2 h. */
  stale: boolean;
}

export interface WindResponse {
  available: boolean;
  /** Why there is no wind, when `available` is false. */
  reason: string | null;
  wind: WindObs | null;
  fetched_at: number | null;
  error: string | null;
  credit: string;
}

export interface VocabularyPendingTerm {
  term: string;
  source: "induction" | "correction";
  added_at: string;
  source_call_ids?: string[];
}

export interface SystemRecord {
  system_id: string;
  name: string;
  type: string; // P25 | DMR | NBFM
  config: Record<string, unknown>;
  vocabulary?: string[];
  vocabulary_pending?: VocabularyPendingTerm[];
  vocabulary_bootstrapped?: boolean;
  ten_codes?: Record<string, string>; // {"10-10": "Commercial Alarm", ...}
  preferred_token_id?: string | null;
}

export interface TranscriptSegment {
  start: number;
  end: number;
  text: string;
}

/**
 * Google Geocoding precision, persisted with the coords since server-26#236.
 * ROOFTOP = a street address; RANGE_INTERPOLATED = estimated between two
 * address points; GEOMETRIC_CENTER = the centre of a road, intersection or
 * named place — can be hundreds of metres off. Absent on older docs.
 */
export type GeoLocationType = "ROOFTOP" | "RANGE_INTERPOLATED" | "GEOMETRIC_CENTER";

export interface GeoPoint {
  lat: number;
  lng: number;
  location_type?: GeoLocationType | string | null;
}

export interface CallRecord {
  call_id: string;
  node_id: string;
  system_id: string | null;
  talkgroup_id: number | null;
  talkgroup_name: string | null;
  freq: number | null;
  started_at: string;
  ended_at: string | null;
  /** Private gs:// object location. Present on the Firestore doc; not playable. */
  audio_gcs_uri?: string | null;
  /**
   * Short-lived playback link. Minted per read by the API — only populated on
   * calls fetched via c2api, never on docs read straight from Firestore.
   * On pre-fix docs this holds a legacy (unplayable) gs:// URI instead.
   */
  audio_url: string | null;
  transcript: string | null;
  transcript_corrected: string | null;
  segments: TranscriptSegment[] | null;
  /** New: one entry per scene detected in the recording. */
  incident_ids: string[];
  /** Legacy field — present on calls recorded before the multi-scene migration. */
  incident_id?: string | null;
  location: string | null;
  /** Per-call geocode, written by intelligence.py. Powers the incident-path polyline on the map. */
  location_coords?: GeoPoint | null;
  /** Unit callsigns mentioned in this specific transmission (e.g. "15-9", "E-41"). */
  units?: string[];
  vehicles?: string[];
  /** Units this call reported as clearing/back in service. */
  cleared_units?: string[];
  /** Set when dedup.py identifies this as a second node's recording of the same transmission — the canonical copy has this null. */
  duplicate_of?: string | null;
  /** Radio source address, when the system exposes it. */
  srcaddr?: string | null;
  tags: string[];
  status: "active" | "ended";
  /** Four-level ladder: routine | minor | moderate | major. Legacy docs may still carry "unknown". */
  severity?: string | null;
  // Correlation debug — written by the correlator, present after a call is linked
  corr_path?: string | null;
  corr_score?: number | null;
  corr_distance_km?: number | null;
  corr_incident_idle_min?: number | null;
  corr_shared_units?: number | null;
  corr_candidates?: number | null;
  /** Human-verified reference transcript for the STT eval harness (server-26#163) — never read by anything downstream. */
  eval_transcript?: string | null;
  eval_transcript_by?: string | null;
  eval_transcript_at?: string | null;
}

export interface IncidentRecord {
  incident_id: string;
  title: string | null;
  type: string | null;
  status: "active" | "resolved";
  /** Set by the idle sweep; a manual resolve (PUT /incidents) doesn't set it. */
  resolved_at?: string | null;
  location: string | null;
  location_coords: GeoPoint | null;
  /**
   * The label the pin was geocoded from (server-26#23). Absent on incidents
   * written before that fix — their pin cannot be tied to their label and is
   * drawn ghosted (DEFERRED.md `_verified_pin` row, server-26#28).
   */
  location_coords_source?: string | null;
  call_ids: string[];
  system_ids: string[];
  talkgroup_ids: string[];
  /** Omitted on incident docs written before these fields existed. */
  units?: string[];
  vehicles?: string[];
  /** Units currently believed on scene — maintained by incident_correlator.py `_attach`. */
  units_active?: string[];
  /** Units that reported clearing/back in service on this incident. */
  units_cleared?: string[];
  /** Free-text location mentions accumulated across the incident's calls, beyond the primary `location`. */
  location_mentions?: string[];
  /** ISO timestamp of the last thin/status-only call attached (doesn't refresh `updated_at`). */
  last_thin_at?: string | null;
  severity: string | null;
  started_at: string;
  updated_at: string;
  summary: string | null;
  tags: string[];
}

export interface AlertRule {
  rule_id: string;
  name: string;
  keywords: string[];
  talkgroup_ids: number[];
  enabled: boolean;
  discord_webhook: string | null;
  created_at?: string;
}

export interface TripEvent {
  event_id: string;
  trip_id: string;
  title: string;
  date: string;
  start_time: string | null;
  end_time: string | null;
  location: string;
  location_inherited: boolean;
  maps_link: string | null;
  place_id: string | null;
  notes: string | null;
  tags: string[];
  attendees: Record<string, string>;
  created_at: string;
}

export interface PlaceResult {
  name: string;
  address: string;
  place_id: string;
  lat: number;
  lng: number;
  maps_link: string;
  rating?: number;
}

export interface TripRecord {
  trip_id: string;
  name: string;
  location: string;
  maps_link: string | null;
  start_date: string;
  end_date: string;
  attendees: Record<string, string>;
  available_tags: string[];
  overlap_tags: string[];
  visibility: "public" | "private";
  invited_discord_ids: string[];
  created_at: string;
  events?: TripEvent[];
}

export interface AlertEvent {
  alert_id: string;
  rule_id: string;
  rule_name: string;
  call_id: string;
  node_id: string;
  talkgroup_id: number | null;
  talkgroup_name: string | null;
  matched_keywords: string[];
  transcript_snippet: string | null;
  triggered_at: string;
  acknowledged: boolean;
}

/**
 * Ground truth about the area a system or talkgroup covers, handed to the
 * transcript corrector so it can recognise local street, town and business
 * names that Whisper mangles (server-26#36).
 *
 * Set on the system, and optionally narrowed per talkgroup inside
 * `config.talkgroups[]` — the talkgroup's entries rank ABOVE the system's, so
 * a multi-county system can be specific per channel without its wider list
 * burying the detail.
 */
export interface LocalKnowledgeEntry {
  term: string;
  meaning?: string | null;
}

export interface AreaContext {
  // Set by an operator. Every field nullable on purpose: which SCOPE gets
  // filled is the declaration of how homogeneous the system is. A one-town
  // system is described once here and inherited by every talkgroup; a
  // statewide one is left empty here and described per talkgroup.
  municipality?: string;
  county?: string;
  state?: string;
  local_knowledge?: LocalKnowledgeEntry[];
  // Written by the backend, read-only here. Absent means the place is unset or
  // too wide to discriminate, and location verification skips entirely
  // (server-26#37) — never send these back.
  center?: { lat: number; lng: number };
  radius_km?: number;
  resolved_from?: string;
  resolved_at?: string;
}

/** A term the verifier or the induction loop proposed for one talkgroup. */
export interface PendingLocalTerm {
  term: string;
  meaning?: string | null;
  source: string;
  added_at: string;
  source_call_ids?: string[];
}

export interface TalkgroupPending {
  talkgroup_id: number;
  talkgroup_name?: string;
  pending: PendingLocalTerm[];
}

// ---------------------------------------------------------------------------
// Replay (admin) — drb-c2-core/app/internal/replay.py
// ---------------------------------------------------------------------------

export type ReplayMode = "audio" | "transcripts" | "reuse";

export interface ReplayEstimate {
  calls: number;
  calls_with_transcript: number;
  calls_with_audio: number;
  audio_minutes: number;
  est_cost_usd: number;
  truncated: boolean;
  max_calls: number;
}

export interface ReplayMetrics {
  calls: number;
  calls_linked: number;
  calls_orphaned: number;
  incidents: number;
  single_call_incidents: number;
  single_call_pct: number | null;
  median_calls_per_incident: number | null;
  max_calls_in_incident: number | null;
  incidents_with_units_cleared: number;
  incidents_with_coords: number;
  resolved_via: Record<string, number>;
  corr_path: Record<string, number>;
  corr_consensus: Record<string, number>;
  llm_decisions: number;
  est_cost_usd: number;
  ai_failures?: Record<string, number>;
  gemini_usage?: Record<string, { calls: number; in: number; out: number; thinking: number }>;
}

export interface ReplayRun {
  run_id: string;
  label: string;
  mode: ReplayMode;
  source_run_id: string | null;
  date_from: string;
  date_to: string;
  system_ids: string[];
  git_sha: string;
  created_by: string;
  created_at: string;
  finished_at?: string;
  status: "running" | "done" | "cancelled" | "failed" | "interrupted";
  estimate: Omit<ReplayEstimate, "truncated" | "max_calls">;
  progress: { total: number; done: number; errors: number; skipped?: number };
  metrics: ReplayMetrics | null;
  errors: string[];
}

export interface ReplayCallRow {
  call_id: string;
  started_at: string;
  talkgroup_name: string | null;
  transcript: string | null;
  units: string[] | null;
  cleared_units: string[] | null;
  location: string | null;
  skip_reason: string | null;
  corr_path: string[];
  incident_ids: string[];
}

export interface ReplayIncident {
  incident_id: string;
  title: string | null;
  type: string | null;
  severity: string | null;
  status: string;
  resolved_via: string | null;
  started_at: string;
  updated_at: string | null;
  resolved_at: string | null;
  location: string | null;
  location_coords: { lat: number; lng: number } | null;
  units: string[] | null;
  units_active: string[] | null;
  units_cleared: string[] | null;
  talkgroup_ids: number[] | null;
  calls: ReplayCallRow[];
}

export interface ReplayIncidents {
  incidents: ReplayIncident[];
  orphans: ReplayCallRow[];
}