#!/usr/bin/env python3
"""
Frigate Daily Report Generator
Sends to Telegram every evening at 20:30 CET
"""
import os, json, requests
from datetime import datetime, timedelta
from collections import defaultdict

FRIGATE_URL = "http://localhost:5000"

def get_frigate_events():
    """Get events from last 24 hours"""
    try:
        resp = requests.get(f"{FRIGATE_URL}/api/events", timeout=5)
        events = resp.json()
        
        # Filter for last 24h
        now = datetime.now().timestamp()
        yesterday = now - (24 * 3600)
        
        recent = [e for e in events if e.get('start_time', 0) > yesterday]
        return recent
    except Exception as e:
        print(f"Error fetching events: {e}")
        return []

def generate_report():
    """Generate Frigate daily summary"""
    events = get_frigate_events()
    
    if not events:
        return "🎥 **Frigate Daily Report** — Keine Events heute\n\nStatus: ✅ Alle Kameras aktiv\nEvents: 0"
    
    # Group by camera & label
    by_camera = defaultdict(lambda: defaultdict(int))
    by_label = defaultdict(int)
    people = set()
    
    for event in events:
        camera = event.get('camera', 'Unknown')
        label = event.get('label', 'Unknown')
        sub_label = event.get('sub_label', None)
        
        by_camera[camera][label] += 1
        by_label[label] += 1
        
        if label == 'person' and sub_label:
            people.add(sub_label)
    
    # Format report
    timestamp = datetime.now().strftime('%Y-%m-%d %H:%M CET')
    report = f"""🎥 **Frigate Daily Report** — {timestamp}

📊 **ZUSAMMENFASSUNG**
• Gesamt Events: {len(events)}
• Detektierte Personen: {len(people)}
• Kameras aktiv: {len(by_camera)}

👥 **Erkannte Personen**
"""
    
    for person in sorted(people):
        report += f"  • {person}\n"
    
    report += f"\n📹 **Nach Kamera**\n"
    
    for camera in sorted(by_camera.keys()):
        events_count = sum(by_camera[camera].values())
        labels = ", ".join(by_camera[camera].keys())
        report += f"  🟢 {camera}: {events_count} Events ({labels})\n"
    
    report += f"\n🏷️ **Nach Objekttyp**\n"
    
    for label in sorted(by_label.keys()):
        count = by_label[label]
        report += f"  • {label.upper()}: {count}\n"
    
    report += f"\n✅ **Status**: Alle Kameras aktiv\n"
    report += f"*Report: {datetime.now().strftime('%H:%M:%S UTC')}*"
    
    return report

if __name__ == "__main__":
    report = generate_report()
    print(report)