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src/utils/locationUtils.ts

@@ -0,0 +1,61 @@
+import * as Location from 'expo-location';
+import { GPSInfo } from '../types';
+
+export async function requestLocationPermissions(): Promise<boolean> {
+  try {
+    const { status } = await Location.requestForegroundPermissionsAsync();
+    return status === 'granted';
+  } catch (error) {
+    console.error('Error requesting location permissions:', error);
+    return false;
+  }
+}
+
+export async function getCurrentGPS(): Promise<GPSInfo | null> {
+  try {
+    const hasPermission = await requestLocationPermissions();
+    if (!hasPermission) return null;
+
+    const location = await Location.getCurrentPositionAsync({
+      accuracy: Location.Accuracy.Balanced,
+    });
+
+    const { latitude, longitude } = location.coords;
+    let locality = 'UNKNOWN LOCATION';
+    let country = '';
+
+    try {
+      const geocode = await Location.reverseGeocodeAsync({ latitude, longitude });
+      if (geocode && geocode.length > 0) {
+        const address = geocode[0];
+        // Combine city, region, street or subregion to form a retro looking place string
+        locality = address.subregion || address.city || address.district || address.region || 'LOCAL REGION';
+        locality = locality.toUpperCase();
+        country = (address.country || '').toUpperCase();
+      }
+    } catch (e) {
+      console.warn('Reverse geocoding failed, using coordinates only:', e);
+    }
+
+    return {
+      latitude,
+      longitude,
+      locality,
+      country,
+      timestamp: location.timestamp,
+    };
+  } catch (error) {
+    console.error('Error fetching GPS info:', error);
+    return null;
+  }
+}
+
+export function formatCoordinate(val: number, type: 'lat' | 'lon'): string {
+  const absolute = Math.abs(val);
+  const degrees = Math.floor(absolute);
+  const minutes = Math.floor((absolute - degrees) * 60);
+  const seconds = ((absolute - degrees - minutes / 60) * 3600).toFixed(2);
+  const direction = type === 'lat' ? (val >= 0 ? 'N' : 'S') : (val >= 0 ? 'E' : 'W');
+  
+  return `${degrees}° ${minutes}' ${seconds}" ${direction}`;
+}