// Static geocode cache for major networking cities (fallback when PDB facility coords missing)
const CITY_COORDS = {
  "amsterdam": [52.3676, 4.9041], "london": [51.5074, -0.1278], "frankfurt": [50.1109, 8.6821],
  "paris": [48.8566, 2.3522], "stockholm": [59.3293, 18.0686], "zurich": [47.3769, 8.5417],
  "berlin": [52.5200, 13.4050], "hamburg": [53.5511, 9.9937], "munich": [48.1351, 11.5820],
  "vienna": [48.2082, 16.3738], "prague": [50.0755, 14.4378], "warsaw": [52.2297, 21.0122],
  "copenhagen": [55.6761, 12.5683], "oslo": [59.9139, 10.7522], "helsinki": [60.1699, 24.9384],
  "milan": [45.4642, 9.1900], "madrid": [40.4168, -3.7038], "lisbon": [38.7223, -9.1393],
  "dublin": [53.3498, -6.2603], "brussels": [50.8503, 4.3517], "bucharest": [44.4268, 26.1025],
  "sofia": [42.6977, 23.3219], "athens": [37.9838, 23.7275], "istanbul": [41.0082, 28.9784],
  "moscow": [55.7558, 37.6173], "mumbai": [19.0760, 72.8777], "singapore": [1.3521, 103.8198],
  "hong kong": [22.3193, 114.1694], "tokyo": [35.6762, 139.6503], "sydney": [-33.8688, 151.2093],
  "los angeles": [34.0522, -118.2437], "new york": [40.7128, -74.0060], "chicago": [41.8781, -87.6298],
  "dallas": [32.7767, -96.7970], "miami": [25.7617, -80.1918], "ashburn": [39.0438, -77.4874],
  "seattle": [47.6062, -122.3321], "san jose": [37.3382, -121.8863], "toronto": [43.6532, -79.3832],
  "sao paulo": [-23.5505, -46.6333], "johannesburg": [-26.2041, 28.0473], "meppel": [52.6966, 6.1940],
  "manchester": [53.4808, -2.2426], "marseille": [43.2965, 5.3698], "dusseldorf": [51.2277, 6.7735],
  "nuremberg": [49.4521, 11.0767], "tallinn": [59.4370, 24.7536], "riga": [56.9496, 24.1052],
  "auckland": [-36.8485, 174.7633], "wellington": [-41.2865, 174.7762], "denver": [39.7392, -104.9903],
  "atlanta": [33.7490, -84.3880], "portland": [45.5152, -122.6784], "vancouver": [49.2827, -123.1207],
  "montreal": [45.5017, -73.5673], "mexico city": [19.4326, -99.1332], "seoul": [37.5665, 126.9780],
  "taipei": [25.0330, 121.5654], "bangkok": [13.7563, 100.5018], "jakarta": [-6.2088, 106.8456],
  "scotland": [55.9533, -3.1883], "edinburgh": [55.9533, -3.1883],
};

module.exports = { CITY_COORDS };