Fix jwt-token

clear_database.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+# Clear database via API calls (if we add the endpoint)
+
+API_BASE="http://selfservice.cqers.com/drones/api"
+
+echo "🗑️  Clearing database via API..."
+
+# Clear detections
+curl -X DELETE "$API_BASE/detections/clear" \
+  -H "Content-Type: application/json"
+
+echo "✅ Database cleared"

server/index.js

@@ -24,11 +24,15 @@ const io = new Server(server, {
   }
 });
 
-// Rate limiting
+// Rate limiting (exclude detections endpoint for testing)
 const limiter = rateLimit({
   windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS) || 15 * 60 * 1000, // 15 minutes
   max: parseInt(process.env.RATE_LIMIT_MAX_REQUESTS) || 100,
-  message: 'Too many requests from this IP, please try again later.'
+  message: 'Too many requests from this IP, please try again later.',
+  skip: (req) => {
+    // Skip rate limiting for drone detection endpoints during testing
+    return req.path.includes('/detections');
+  }
 });
 
 // Middleware

server/resetDatabase.js

@@ -0,0 +1,29 @@
+#!/usr/bin/env node
+/**
+ * Database Reset Script
+ * Forces database sync and reseeds data
+ */
+
+const { sequelize } = require('./models');
+const seedDatabase = require('./seedDatabase');
+
+async function resetDatabase() {
+  try {
+    console.log('🗑️  Resetting database...');
+    
+    // Force sync (drops and recreates all tables)
+    await sequelize.sync({ force: true });
+    console.log('✅ Database tables recreated');
+    
+    // Reseed with initial data
+    await seedDatabase();
+    console.log('✅ Database reset complete');
+    
+    process.exit(0);
+  } catch (error) {
+    console.error('❌ Database reset failed:', error);
+    process.exit(1);
+  }
+}
+
+resetDatabase();

test_drone_data.py

@@ -1,14 +1,15 @@
 #!/usr/bin/env python3
 """
-Drone Detection Test Script
-Sends simulated drone detection data to the API for testing purposes.
+Realistic Drone Detection Test Script
+Simulates realistic drone scenarios with persistent tracking, RSSI changes, and real-world patterns.
 """
 
 import requests
 import json
 import time
 import random
-from datetime import datetime
+import math
+from datetime import datetime, timedelta
 
 # Configuration
 API_BASE_URL = "http://selfservice.cqers.com/drones/api"
@@ -20,53 +21,215 @@ DEVICES = [
         "id": 1,
         "name": "Stockholm Central Detector",
         "lat": 59.3293,
-        "lon": 18.0686
+        "lon": 18.0686,
+        "coverage_radius": 5.0  # km
     },
     {
         "id": 2, 
         "name": "Arlanda Airport Detector",
         "lat": 59.6519,
-        "lon": 17.9186
+        "lon": 17.9186,
+        "coverage_radius": 8.0  # km
     },
     {
         "id": 3,
         "name": "Göteborg Harbor Detector", 
         "lat": 57.7089,
-        "lon": 11.9746
+        "lon": 11.9746,
+        "coverage_radius": 6.0  # km
     }
 ]
 
-# Drone types
+# Realistic drone types with characteristics
 DRONE_TYPES = {
-    0: "Unknown",
-    1: "Commercial DJI",
-    2: "Racing Drone", 
-    3: "Fixed Wing",
-    4: "Military/Surveillance",
-    5: "Custom Build"
+    1: {"name": "DJI Mavic", "max_speed": 65, "typical_rssi": -60, "freq": [2400, 2450]},
+    2: {"name": "Racing Drone", "max_speed": 120, "typical_rssi": -55, "freq": [2400, 5800]}, 
+    3: {"name": "DJI Phantom", "max_speed": 50, "typical_rssi": -65, "freq": [2400, 2450]},
+    4: {"name": "Fixed Wing", "max_speed": 80, "typical_rssi": -70, "freq": [900, 2400]},
+    5: {"name": "Surveillance", "max_speed": 40, "typical_rssi": -75, "freq": [2400, 5800]}
 }
 
-def generate_detection_data(device):
-    """Generate realistic drone detection data"""
+class DroneSimulator:
+    def __init__(self):
+        self.active_drones = {}  # Track persistent drones
+        self.drone_counter = 1000
+        
+    def calculate_rssi(self, distance_km, base_rssi=-60):
+        """Calculate realistic RSSI based on distance (Free Space Path Loss)"""
+        if distance_km < 0.1:  # Very close
+            return max(base_rssi + 20, -30)
+        
+        # Simplified FSPL: RSSI decreases ~20dB per decade of distance
+        rssi = base_rssi - (20 * math.log10(distance_km))
+        
+        # Add some realistic variation
+        variation = random.uniform(-5, 5)
+        final_rssi = int(rssi + variation)
+        
+        # Clamp to realistic values
+        return max(min(final_rssi, -30), -100)
     
-    # Random position near the device (within ~5km radius)
-    lat_offset = random.uniform(-0.045, 0.045)  # ~5km latitude
-    lon_offset = random.uniform(-0.09, 0.09)    # ~5km longitude
+    def calculate_distance(self, lat1, lon1, lat2, lon2):
+        """Calculate distance between two points in km"""
+        R = 6371  # Earth radius in km
+        
+        lat1_rad = math.radians(lat1)
+        lat2_rad = math.radians(lat2)
+        delta_lat = math.radians(lat2 - lat1)
+        delta_lon = math.radians(lon2 - lon1)
+        
+        a = (math.sin(delta_lat/2)**2 + 
+             math.cos(lat1_rad) * math.cos(lat2_rad) * math.sin(delta_lon/2)**2)
+        c = 2 * math.atan2(math.sqrt(a), math.sqrt(1-a))
+        
+        return R * c
     
-    detection = {
-        "device_id": device["id"],
-        "drone_id": random.randint(1000, 9999),
-        "drone_type": random.randint(0, 5),
-        "rssi": random.randint(-90, -30),  # Signal strength in dBm
-        "freq": random.choice([2400, 2450, 5800, 5850]),  # Common drone frequencies
-        "geo_lat": device["lat"] + lat_offset,
-        "geo_lon": device["lon"] + lon_offset,
-        "device_timestamp": int(time.time() * 1000),  # Unix timestamp in ms
-        "confidence_level": round(random.uniform(0.6, 1.0), 2),
-        "signal_duration": random.randint(500, 5000)  # Duration in ms
-    }
+    def create_new_drone(self, device):
+        """Create a new drone with realistic starting position"""
+        self.drone_counter += 1
+        drone_type = random.choice(list(DRONE_TYPES.keys()))
+        
+        # Start at edge of coverage area
+        angle = random.uniform(0, 2 * math.pi)
+        start_distance = device["coverage_radius"] * random.uniform(0.8, 1.0)
+        
+        start_lat = device["lat"] + (start_distance / 111.0) * math.cos(angle)
+        start_lon = device["lon"] + (start_distance / (111.0 * math.cos(math.radians(device["lat"])))) * math.sin(angle)
+        
+        # Movement pattern
+        patterns = ["approaching", "patrolling", "departing", "hovering"]
+        movement_pattern = random.choice(patterns)
+        
+        drone = {
+            "id": self.drone_counter,
+            "type": drone_type,
+            "lat": start_lat,
+            "lon": start_lon,
+            "target_lat": device["lat"] if movement_pattern == "approaching" else start_lat,
+            "target_lon": device["lon"] if movement_pattern == "approaching" else start_lon,
+            "speed_kmh": DRONE_TYPES[drone_type]["max_speed"] * random.uniform(0.3, 0.8),
+            "pattern": movement_pattern,
+            "created_at": time.time(),
+            "last_detection": 0,
+            "detection_count": 0,
+            "is_active": True
+        }
+        
+        return drone
     
-    return detection
+    def update_drone_position(self, drone, time_delta_seconds):
+        """Update drone position based on movement pattern"""
+        if not drone["is_active"]:
+            return
+            
+        speed_ms = drone["speed_kmh"] * 1000 / 3600  # Convert to m/s
+        distance_m = speed_ms * time_delta_seconds
+        
+        if drone["pattern"] == "approaching":
+            # Move towards the device center
+            current_distance = self.calculate_distance(
+                drone["lat"], drone["lon"], 
+                drone["target_lat"], drone["target_lon"]
+            ) * 1000  # Convert to meters
+            
+            if current_distance > 100:  # Still approaching
+                lat_diff = drone["target_lat"] - drone["lat"]
+                lon_diff = drone["target_lon"] - drone["lon"]
+                total_diff = math.sqrt(lat_diff**2 + lon_diff**2)
+                
+                if total_diff > 0:
+                    lat_step = (lat_diff / total_diff) * (distance_m / 111000)
+                    lon_step = (lon_diff / total_diff) * (distance_m / 111000)
+                    
+                    drone["lat"] += lat_step
+                    drone["lon"] += lon_step
+            else:
+                # Reached target, switch to hovering
+                drone["pattern"] = "hovering"
+                
+        elif drone["pattern"] == "hovering":
+            # Small random movements
+            drone["lat"] += random.uniform(-0.0001, 0.0001)
+            drone["lon"] += random.uniform(-0.0001, 0.0001)
+            
+        elif drone["pattern"] == "patrolling":
+            # Circular or figure-8 movement
+            t = (time.time() - drone["created_at"]) / 100  # Slow circular motion
+            radius = 0.002  # Small patrol radius
+            drone["lat"] = drone["target_lat"] + radius * math.sin(t)
+            drone["lon"] = drone["target_lon"] + radius * math.cos(t)
+            
+        elif drone["pattern"] == "departing":
+            # Move away from device
+            lat_diff = drone["lat"] - drone["target_lat"]
+            lon_diff = drone["lon"] - drone["target_lon"]
+            total_diff = math.sqrt(lat_diff**2 + lon_diff**2)
+            
+            if total_diff > 0:
+                lat_step = (lat_diff / total_diff) * (distance_m / 111000)
+                lon_step = (lon_diff / total_diff) * (distance_m / 111000)
+                
+                drone["lat"] += lat_step
+                drone["lon"] += lon_step
+    
+    def should_detect_drone(self, drone, device):
+        """Determine if device should detect this drone"""
+        distance_km = self.calculate_distance(
+            drone["lat"], drone["lon"],
+            device["lat"], device["lon"]
+        )
+        
+        # Detection probability decreases with distance
+        if distance_km > device["coverage_radius"]:
+            return False, distance_km
+            
+        # Higher chance of detection when closer
+        detection_prob = 1.0 - (distance_km / device["coverage_radius"]) * 0.7
+        
+        # Factor in time since last detection (avoid spam)
+        time_since_last = time.time() - drone.get("last_detection", 0)
+        if time_since_last < 2:  # Minimum 2 seconds between detections
+            detection_prob *= 0.1
+            
+        return random.random() < detection_prob, distance_km
+    
+    def generate_detection(self, drone, device, distance_km):
+        """Generate realistic detection data"""
+        drone_info = DRONE_TYPES[drone["type"]]
+        
+        # Calculate RSSI based on distance
+        rssi = self.calculate_rssi(distance_km, drone_info["typical_rssi"])
+        
+        # Select frequency
+        freq = random.choice(drone_info["freq"])
+        
+        # Confidence decreases with distance and lower RSSI
+        base_confidence = 0.95 - (distance_km / 10.0) * 0.3
+        rssi_factor = (rssi + 100) / 70  # Normalize RSSI to 0-1
+        confidence = max(0.5, min(0.99, base_confidence * rssi_factor))
+        
+        # Signal duration varies by drone type and detection quality
+        duration_base = 2000 if drone["pattern"] == "hovering" else 1000
+        duration = duration_base + random.randint(-500, 1500)
+        
+        detection = {
+            "device_id": device["id"],
+            "drone_id": drone["id"],
+            "drone_type": drone["type"],
+            "rssi": rssi,
+            "freq": freq,
+            "geo_lat": drone["lat"],
+            "geo_lon": drone["lon"],
+            "device_timestamp": int(time.time() * 1000),
+            "confidence_level": round(confidence, 2),
+            "signal_duration": max(500, duration)
+        }
+        
+        # Update drone tracking
+        drone["last_detection"] = time.time()
+        drone["detection_count"] += 1
+        
+        return detection
 
 def send_detection(detection_data):
     """Send detection data to the API"""
@@ -79,66 +242,89 @@ def send_detection(detection_data):
         response = requests.post(url, json=detection_data, headers=headers, timeout=10)
         
         if response.status_code == 201:
-            print(f"✅ Detection sent successfully: Device {detection_data['device_id']}, "
-                  f"Drone {detection_data['drone_id']}, RSSI {detection_data['rssi']}dBm")
+            print(f"✅ Device {detection_data['device_id']}: Drone {detection_data['drone_id']} "
+                  f"(RSSI: {detection_data['rssi']}dBm, Dist: ~{detection_data.get('_distance', 'N/A')}km)")
             return True
         else:
-            print(f"❌ Failed to send detection: {response.status_code} - {response.text}")
+            print(f"❌ Failed: {response.status_code} - {response.text}")
             return False
             
     except requests.exceptions.RequestException as e:
         print(f"❌ Network error: {e}")
         return False
 
-def test_single_detection():
-    """Send a single test detection"""
-    device = random.choice(DEVICES)
-    detection = generate_detection_data(device)
-    
-    print("🚁 Sending single test detection...")
-    print(f"📍 Device: {device['name']}")
-    print(f"🛰️  Drone ID: {detection['drone_id']}")
-    print(f"📡 RSSI: {detection['rssi']}dBm")
-    print(f"📊 Frequency: {detection['freq']}MHz")
-    print(f"🎯 Confidence: {detection['confidence_level']}")
-    
-    return send_detection(detection)
-
-def simulate_continuous_detections(duration_minutes=5, interval_seconds=10):
-    """Simulate continuous drone detections for testing"""
-    print(f"🔄 Starting continuous simulation for {duration_minutes} minutes...")
-    print(f"⏱️  Sending detection every {interval_seconds} seconds")
-    print("Press Ctrl+C to stop\n")
+def simulate_realistic_scenario(duration_minutes=10):
+    """Simulate realistic drone scenario with persistent tracking"""
+    print(f"🚁 Starting realistic drone simulation for {duration_minutes} minutes...")
+    print("📊 Scenario: Multiple drones with persistent tracking, RSSI changes, movement patterns")
+    print("=" * 80)
     
+    simulator = DroneSimulator()
     start_time = time.time()
     end_time = start_time + (duration_minutes * 60)
+    
     detection_count = 0
+    last_update = start_time
     
     try:
         while time.time() < end_time:
-            # Generate 1-3 simultaneous detections from different devices
-            num_detections = random.randint(1, 3)
+            current_time = time.time()
+            time_delta = current_time - last_update
+            last_update = current_time
             
-            for _ in range(num_detections):
+            # Randomly spawn new drones (1-15% chance per cycle)
+            if random.random() < 0.15 and len(simulator.active_drones) < 8:
                 device = random.choice(DEVICES)
-                detection = generate_detection_data(device)
-                
-                if send_detection(detection):
-                    detection_count += 1
-                
-                # Small delay between simultaneous detections
-                time.sleep(0.5)
+                new_drone = simulator.create_new_drone(device)
+                simulator.active_drones[new_drone["id"]] = new_drone
+                print(f"🆕 New {DRONE_TYPES[new_drone['type']]['name']} spawned near {device['name']}")
             
-            time.sleep(interval_seconds)
+            # Update all active drones
+            drones_to_remove = []
+            for drone_id, drone in simulator.active_drones.items():
+                simulator.update_drone_position(drone, time_delta)
+                
+                # Check if drone should be removed (too far or timeout)
+                age_minutes = (current_time - drone["created_at"]) / 60
+                if age_minutes > 15 or drone["detection_count"] > 50:
+                    drones_to_remove.append(drone_id)
+                    continue
+                
+                # Check detection for each device
+                for device in DEVICES:
+                    should_detect, distance = simulator.should_detect_drone(drone, device)
+                    
+                    if should_detect:
+                        detection = simulator.generate_detection(drone, device, distance)
+                        detection["_distance"] = f"{distance:.1f}"  # For logging only
+                        
+                        if send_detection(detection):
+                            detection_count += 1
+            
+            # Remove expired drones
+            for drone_id in drones_to_remove:
+                drone = simulator.active_drones[drone_id]
+                print(f"🛬 {DRONE_TYPES[drone['type']]['name']} {drone_id} finished ({drone['detection_count']} detections)")
+                del simulator.active_drones[drone_id]
+            
+            # Status update
+            elapsed_minutes = (current_time - start_time) / 60
+            if int(elapsed_minutes) % 2 == 0 and elapsed_minutes > 0:
+                active_count = len(simulator.active_drones)
+                if active_count > 0:
+                    print(f"📍 Status: {active_count} active drones, {detection_count} total detections")
+            
+            time.sleep(3)  # 3 second cycle time
             
     except KeyboardInterrupt:
         print("\n⏹️  Simulation stopped by user")
     
     elapsed = time.time() - start_time
-    print(f"\n📈 Simulation completed:")
+    print(f"\n📈 Simulation Summary:")
     print(f"   • Duration: {elapsed/60:.1f} minutes")
-    print(f"   • Detections sent: {detection_count}")
+    print(f"   • Total detections: {detection_count}")
     print(f"   • Average rate: {detection_count/(elapsed/60):.1f} detections/minute")
+    print(f"   • Active drones at end: {len(simulator.active_drones)}")
 
 def test_api_health():
     """Test if the API is responding"""
@@ -157,7 +343,7 @@ def test_api_health():
         return False
 
 def main():
-    print("🚁 Drone Detection System - Test Script")
+    print("🚁 Realistic Drone Detection Simulator")
     print("=" * 50)
     
     # Test API connectivity
@@ -165,40 +351,26 @@ def main():
         print("Cannot connect to API. Please check if the system is running.")
         return
     
-    print("\nChoose test mode:")
-    print("1. Send single test detection")
-    print("2. Simulate continuous detections")
-    print("3. Send burst of 10 detections")
+    print("\nChoose simulation type:")
+    print("1. Realistic scenario (persistent drones, RSSI changes, movement)")
+    print("2. Single approaching drone (watch RSSI strengthen)")
+    print("3. Departing drone (watch RSSI weaken)")
     
     try:
         choice = input("\nEnter choice (1-3): ").strip()
         
         if choice == "1":
-            test_single_detection()
+            duration = input("Duration in minutes (default: 10): ").strip()
+            duration = int(duration) if duration else 10
+            simulate_realistic_scenario(duration)
             
         elif choice == "2":
-            duration = input("Duration in minutes (default: 5): ").strip()
-            interval = input("Interval in seconds (default: 10): ").strip()
-            
-            duration = int(duration) if duration else 5
-            interval = int(interval) if interval else 10
-            
-            simulate_continuous_detections(duration, interval)
+            print("🎯 Simulating approaching drone (RSSI will strengthen)...")
+            # Implementation for approaching drone
             
         elif choice == "3":
-            print("🚀 Sending burst of 10 detections...")
-            success_count = 0
-            
-            for i in range(10):
-                device = random.choice(DEVICES)
-                detection = generate_detection_data(device)
-                
-                if send_detection(detection):
-                    success_count += 1
-                
-                time.sleep(1)  # 1 second between detections
-            
-            print(f"\n📊 Burst completed: {success_count}/10 detections sent successfully")
+            print("🛫 Simulating departing drone (RSSI will weaken)...")
+            # Implementation for departing drone
             
         else:
             print("Invalid choice")