Add web-based GUI with frontend and backend

Co-authored-by: Kenearos <86194771+Kenearos@users.noreply.github.com>

app.py

@@ -0,0 +1,149 @@
+#!/usr/bin/env python3
+"""
+Home Assistant Overview - Web Application
+Flask-basierte Web-Anwendung mit Frontend und Backend
+"""
+
+from flask import Flask, render_template, request, jsonify, send_file
+from ha_overview import HomeAssistantOverview
+import os
+import json
+from datetime import datetime
+
+app = Flask(__name__)
+
+# Konfigurationsdatei
+CONFIG_FILE = 'config.json'
+
+def load_config():
+    """Lade gespeicherte Konfiguration"""
+    if os.path.exists(CONFIG_FILE):
+        with open(CONFIG_FILE, 'r') as f:
+            return json.load(f)
+    return {}
+
+def save_config(url, token):
+    """Speichere Konfiguration"""
+    config = {'url': url, 'token': token}
+    with open(CONFIG_FILE, 'w') as f:
+        json.dump(config, f)
+
+@app.route('/')
+def index():
+    """Hauptseite mit Anleitung und Formular"""
+    config = load_config()
+    return render_template('index.html', 
+                         saved_url=config.get('url', ''),
+                         has_config=bool(config))
+
+@app.route('/api/test-connection', methods=['POST'])
+def test_connection():
+    """Teste die Verbindung zu Home Assistant"""
+    data = request.json
+    url = data.get('url')
+    token = data.get('token')
+    
+    if not url or not token:
+        return jsonify({'success': False, 'error': 'URL und Token sind erforderlich'})
+    
+    try:
+        ha = HomeAssistantOverview(url, token)
+        success = ha.test_connection()
+        
+        if success:
+            # Speichere Konfiguration wenn gewünscht
+            if data.get('save_config'):
+                save_config(url, token)
+            
+            return jsonify({'success': True, 'message': 'Verbindung erfolgreich!'})
+        else:
+            return jsonify({'success': False, 'error': 'Verbindung fehlgeschlagen'})
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)})
+
+@app.route('/api/generate-report', methods=['POST'])
+def generate_report():
+    """Generiere vollständigen Bericht"""
+    data = request.json
+    url = data.get('url')
+    token = data.get('token')
+    
+    if not url or not token:
+        return jsonify({'success': False, 'error': 'URL und Token sind erforderlich'})
+    
+    try:
+        ha = HomeAssistantOverview(url, token)
+        report = ha.generate_report()
+        
+        if report:
+            # Speichere Konfiguration wenn gewünscht
+            if data.get('save_config'):
+                save_config(url, token)
+            
+            return jsonify({
+                'success': True,
+                'report': report
+            })
+        else:
+            return jsonify({'success': False, 'error': 'Report-Generierung fehlgeschlagen'})
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)})
+
+@app.route('/api/download-report', methods=['POST'])
+def download_report():
+    """Erstelle und lade Report-Datei herunter"""
+    data = request.json
+    url = data.get('url')
+    token = data.get('token')
+    format_type = data.get('format', 'json')
+    
+    if not url or not token:
+        return jsonify({'success': False, 'error': 'URL und Token sind erforderlich'})
+    
+    try:
+        ha = HomeAssistantOverview(url, token)
+        report = ha.generate_report()
+        
+        if report:
+            # Erstelle temporäres Verzeichnis falls nicht vorhanden
+            os.makedirs('downloads', exist_ok=True)
+            
+            timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
+            
+            if format_type == 'json':
+                filename = f'downloads/ha_overview_{timestamp}.json'
+                with open(filename, 'w', encoding='utf-8') as f:
+                    json.dump(report, f, indent=2, ensure_ascii=False)
+            elif format_type == 'txt':
+                filename = f'downloads/ha_overview_{timestamp}.txt'
+                # Vereinfachte Textausgabe
+                with open(filename, 'w', encoding='utf-8') as f:
+                    f.write("="*80 + "\n")
+                    f.write("HOME ASSISTANT - VOLLSTÄNDIGER ÜBERBLICK\n")
+                    f.write("="*80 + "\n")
+                    f.write(f"Generiert am: {datetime.now().strftime('%d.%m.%Y um %H:%M:%S')}\n")
+                    f.write("="*80 + "\n\n")
+                    f.write(f"System: {report['system_info']['version']}\n")
+                    f.write(f"Entitäten: {report['statistics']['total_entities']}\n")
+                    f.write(f"Komponenten: {report['statistics']['total_components']}\n")
+            else:
+                return jsonify({'success': False, 'error': 'Ungültiges Format'})
+            
+            return send_file(filename, as_attachment=True)
+        else:
+            return jsonify({'success': False, 'error': 'Report-Generierung fehlgeschlagen'})
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)})
+
+if __name__ == '__main__':
+    # Erstelle templates-Verzeichnis falls nicht vorhanden
+    os.makedirs('templates', exist_ok=True)
+    os.makedirs('static', exist_ok=True)
+    
+    print("\n" + "="*80)
+    print("HOME ASSISTANT OVERVIEW - WEB APPLICATION")
+    print("="*80)
+    print("\nStarte Server auf http://localhost:5000")
+    print("Drücke CTRL+C zum Beenden\n")
+    
+    app.run(debug=True, host='0.0.0.0', port=5000)