GODSIGH/js/config.js

// GODSIGH configuration — every URL, interval, and tunable in one place.
// All feed paths are RELATIVE so the app works identically at "/" (dev) and
// "/godsigh/" (prod). Never introduce a leading-slash path.

export const CONFIG = {
  // Same-origin proxy endpoints (serve.py in dev; nginx location blocks in prod).
  proxy: {
    opensky: 'proxy/opensky',
    celestrak: 'proxy/celestrak',
  },

  basemaps: {
    // Data Mode — dark high-contrast raster.
    dark: {
      url: 'https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png',
      subdomains: ['a', 'b', 'c', 'd'],
      credit: '© OpenStreetMap contributors © CARTO',
      maximumLevel: 19,
    },
    // Photo Mode — Sentinel-2 cloudless mosaic (no key).
    photo: {
      url: 'https://tiles.maps.eox.at/wmts/1.0.0/s2cloudless-2023_3857/default/g/{z}/{y}/{x}.jpg',
      credit: 'Sentinel-2 cloudless by EOX — modified Copernicus Sentinel data 2023',
      maximumLevel: 14,
    },
  },

  // Timeline spans now ± windowHours.
  windowHours: 6,
  // Live-only layers (aircraft, live AIS) pause when the clock is scrubbed
  // further than this from wall-clock now.
  liveThresholdSec: 600,

  // Camera opens on the Persian Gulf theater.
  camera: { lon: 53.0, lat: 25.5, height: 2_800_000 },

  satellites: {
    sampleStepSec: 60, // one SGP4 sample per minute across the window
    cap: 120, // hard ceiling on tracked satellites
    // Each source is one Celestrak query. `filter` = keep only names containing
    // one of these tokens; `keepOnly` = keep only these exact names; `max` =
    // cap this source's contribution so one big constellation can't crowd out
    // the rest. Rare/high-value sources are listed first so the global cap
    // never starves them.
    sources: [
      { q: 'GROUP=stations&FORMAT=tle', keepOnly: ['ISS (ZARYA)', 'CSS (TIANHE)'] },
      { q: 'NAME=COSMOS%202486&FORMAT=tle' }, // Russian Persona-class recon
      { q: 'NAME=COSMOS%202506&FORMAT=tle' },
      {
        q: 'GROUP=resource&FORMAT=tle',
        filter: ['WORLDVIEW', 'LEGION', 'PLEIADES', 'CAPELLA', 'GAOFEN', 'SKYSAT',
                 'ICEYE', 'UMBRA', 'LANDSAT', 'SENTINEL-1', 'SENTINEL-2',
                 'GEOEYE', 'KOMPSAT', 'CARTOSAT', 'RESURS'],
      },
      { q: 'NAME=GAOFEN&FORMAT=tle', max: 30 }, // large Chinese EO fleet — cap it
    ],
  },

  aircraft: {
    // null bbox = global (a global states/all call costs the same 4 credits as
    // any large bbox). Or set {lamin, lomin, lamax, lomax}.
    bbox: null,
    pollMs: 90_000,
    // Callsign prefixes flagged as military (highlighted + optionally filtered).
    // Trimmed OpenSky callsigns are matched by prefix. Curated list of common
    // NATO/allied air-transport & tanker call words; extend freely.
    militaryPrefixes: ['RCH', 'REACH', 'LAGR', 'DUKE', 'POLO', 'CNV', 'RRR',
                       'ASCOT', 'GAF', 'BAF', 'IAM', 'PLF', 'HKY', 'NATO',
                       'CFC', 'MC', 'SAM', 'EVAC'],
  },

  // Earthquakes — USGS GeoJSON. Direct browser fetch (ACAO:*), no proxy needed.
  // Full https URL by design (cross-origin feed, not a same-origin path).
  quakes: {
    url: 'https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_day.geojson',
    refreshMs: 300_000, // 5 min
    cap: 400,           // hard ceiling on rendered quakes (drop smallest mag first)
    labelMinMag: 4.5,   // only label quakes at/above this magnitude (declutter)
    magRamp: [2, 6],    // color/size lerp domain
  },

  // Wildfires — NASA EONET. Direct fetch (ACAO:*). NOTE: EONET mislabels its
  // Content-Type as application/rss+xml, but the body is JSON — never gate on
  // the header; res.json() works regardless.
  fires: {
    url: 'https://eonet.gsfc.nasa.gov/api/v3/events?category=wildfires&status=open&limit=500',
    refreshMs: 900_000, // 15 min
    cap: 500,
  },

  // Optional live AIS. Leave blank to use the demo fleet only (roadmap feature).
  AISSTREAM_API_KEY: '',

  colors: {
    // satellites (by name token)
    GAOFEN: '#ff4d4d',
    COSMOS: '#ff9f40',
    WORLDVIEW: '#4dd2ff',
    LEGION: '#4dd2ff',
    CAPELLA: '#9d7bff',
    PLEIADES: '#7bff9d',
    SENTINEL: '#ffd24d',
    ISS: '#ffffff',
    CSS: '#ffffff',
    satDefault: '#66ffcc',
    // aircraft (by altitude band)
    aircraftLow: '#ffb347',
    aircraftMid: '#ffe74d',
    aircraftHigh: '#4dd2ff',
    aircraftMil: '#ff5964', // military-callsign tint (overrides altitude band)
    // earthquakes (magnitude ramp: amber → red)
    quakeMin: '#ffcf50',
    quakeMax: '#ff3b30',
    // wildfires
    fire: '#ff7a1a',
    // ships
    shipNormal: '#7bff9d',
    shipToll: '#ffe74d',
    shipDark: '#ff4d4d',
    shipIdle: '#8a97a3',
    // infra
    chokepoint: '#ff003c',
    pipeline: '#ffbf40',
    facility: '#35e0ff',
    event: '#ff4d4d',
  },
};