// Test distance calculation with the actual GPS coordinates from logs
const calculateDistance = (lat1, lng1, lat2, lng2) => {
  const R = 6371e3; // Earth's radius in meters
  const φ1 = lat1 * Math.PI/180;
  const φ2 = lat2 * Math.PI/180;
  const Δφ = (lat2-lat1) * Math.PI/180;
  const Δλ = (lng2-lng1) * Math.PI/180;

  const a = Math.sin(Δφ/2) * Math.sin(Δφ/2) +
            Math.cos(φ1) * Math.cos(φ2) *
            Math.sin(Δλ/2) * Math.sin(Δλ/2);
  const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));

  return R * c;
};

// Coordinates from backend log
const lat1 = 40.147240223806946;
const lng1 = -87.38764855098722;
const lat2 = 40.14725114957544;
const lng2 = -87.38763106622388;

const distance = calculateDistance(lat1, lng1, lat2, lng2);
console.log('Distance in meters:', distance);
console.log('Distance rounded to 2 decimals:', Math.round(distance * 100) / 100);
console.log('Distance in feet:', distance * 3.28084);