# ATM Anomaly Detection API

## REST API Endpoints

### Health Check
```
GET /health
```
Response:
```json
{
  "status": "healthy",
  "model_loaded": true,
  "model_version": "v1.0.0",
  "timestamp": "2026-07-11T06:00:00Z"
}
```

### Single Image Prediction
```
POST /predict
Content-Type: multipart/form-data

image: <file>
atm_id: "atm_001" (optional)
camera_angle: "front" (optional)
```

Response:
```json
{
  "success": true,
  "atm_id": "atm_001",
  "timestamp": "2026-07-11T06:00:00Z",
  "detections": [
    {
      "class_id": 5,
      "class_name": "skimming_device",
      "confidence": 0.94,
      "bbox": [0.45, 0.52, 0.57, 0.60],
      "severity": 5,
      "requires_action": true
    }
  ],
  "summary": {
    "total_anomalies": 1,
    "max_severity": 5,
    "requires_action": true,
    "anomaly_types": ["skimming_device"]
  }
}
```

### Batch Prediction
```
POST /predict/batch
Content-Type: multipart/form-data

images: <file1>, <file2>, ...
```

Response:
```json
{
  "success": true,
  "results": [
    {
      "filename": "atm_001.jpg",
      "detections": [...],
      "summary": {...}
    }
  ]
}
```

### Get ATM Status
```
GET /atm/{atm_id}/status
```

Response:
```json
{
  "atm_id": "atm_001",
  "location": {
    "latitude": 59.3293,
    "longitude": 18.0686
  },
  "last_check": "2026-07-11T05:30:00Z",
  "status": "anomaly_detected",
  "open_anomalies": 2,
  "max_severity": 4
}
```

### Get Anomaly History
```
GET /atm/{atm_id}/anomalies?start_date=2026-07-01&end_date=2026-07-11
```

Response:
```json
{
  "atm_id": "atm_001",
  "period": {
    "start": "2026-07-01",
    "end": "2026-07-11"
  },
  "total_anomalies": 15,
  "anomalies": [
    {
      "id": "anom_001",
      "type": "graffiti",
      "detected_at": "2026-07-10T14:23:00Z",
      "confidence": 0.87,
      "status": "resolved",
      "resolved_at": "2026-07-10T16:00:00Z"
    }
  ]
}
```

### Submit Annotation (Human Verification)
```
POST /anomalies/{anomaly_id}/verify
Content-Type: application/json

{
  "verdict": "confirmed",
  "notes": "Confirmed skimming device attached to card reader",
  "verified_by": "technician_001"
}
```

## WebSocket API

Real-time anomaly alerts:

```javascript
const ws = new WebSocket('wss://api.landvex.com/ws/alerts');

ws.onmessage = (event) => {
  const alert = JSON.parse(event.data);
  console.log(`Critical anomaly at ${alert.atm_id}: ${alert.anomaly_type}`);
};
```

Alert format:
```json
{
  "alert_id": "alert_001",
  "atm_id": "atm_001",
  "timestamp": "2026-07-11T06:00:00Z",
  "severity": 5,
  "anomaly_type": "skimming_device",
  "confidence": 0.94,
  "image_url": "https://cdn.landvex.com/captures/atm_001_20260711060000.jpg",
  "location": {
    "latitude": 59.3293,
    "longitude": 18.0686
  },
  "recommended_action": "Dispatch security team immediately"
}
```

## Error Responses

```json
{
  "success": false,
  "error": {
    "code": "INVALID_IMAGE",
    "message": "Image format not supported. Use JPG or PNG.",
    "details": {}
  }
}
```

## Rate Limits

- `/predict`: 100 requests/minute
- `/predict/batch`: 10 requests/minute
- `/atm/*`: 1000 requests/minute

## Authentication

API key in header:
```
Authorization: Bearer {api_key}
```