Refactor code structure for improved readability and maintainability

routes/wifi_routes.py

@@ -0,0 +1,83 @@
+"""PiCopy – Blueprint: /api/wifi/*."""
+
+import threading
+import time
+
+from flask import Blueprint, jsonify, request
+
+from picopy.config import load_cfg, save_cfg
+from picopy.wifi import (
+    wifi_state, wifi_lock,
+    is_ap_active, stop_ap, start_ap,
+    connect_client_wifi, update_wifi_state,
+    scan_wifi_networks,
+)
+
+wifi_bp = Blueprint('wifi', __name__)
+
+
+@wifi_bp.route('/api/wifi/scan')
+def r_wifi_scan():
+    nets = scan_wifi_networks()
+    return jsonify(nets)
+
+
+@wifi_bp.route('/api/wifi/connect', methods=['POST'])
+def r_wifi_connect():
+    data = request.get_json(force=True)
+    ssid = data.get('ssid', '').strip()
+    pw   = data.get('password', '').strip()
+    if not ssid:
+        return jsonify(error='SSID fehlt'), 400
+    cfg = load_cfg()
+    cfg['wifi_ssid']     = ssid
+    cfg['wifi_password'] = pw
+    save_cfg(cfg)
+
+    def _connect():
+        ap_was_active = is_ap_active()
+        if ap_was_active:
+            stop_ap()
+            time.sleep(2)
+        ok = connect_client_wifi(ssid, pw)
+        if ok:
+            time.sleep(5)
+            update_wifi_state()
+        else:
+            if ap_was_active:
+                start_ap(cfg.get('ap_ssid', 'PiCopy'), cfg.get('ap_password', 'PiCopy,'))
+            update_wifi_state()
+
+    threading.Thread(target=_connect, daemon=True).start()
+    return jsonify(ok=True, msg='Verbindungsversuch gestartet')
+
+
+@wifi_bp.route('/api/wifi/ap', methods=['POST'])
+def r_wifi_ap():
+    data = request.get_json(force=True)
+    ssid = data.get('ssid', '').strip()
+    pw   = data.get('password', '').strip()
+    if not ssid or len(pw) < 8:
+        return jsonify(error='SSID fehlt oder Passwort zu kurz (min. 8 Zeichen)'), 400
+    cfg = load_cfg()
+    cfg['ap_ssid']     = ssid
+    cfg['ap_password'] = pw
+    save_cfg(cfg)
+
+    def _restart_ap():
+        if is_ap_active():
+            stop_ap()
+            time.sleep(2)
+            start_ap(ssid, pw)
+            time.sleep(3)
+            with wifi_lock:
+                wifi_state.update(mode='ap', ssid=ssid, ip='10.42.0.1')
+
+    threading.Thread(target=_restart_ap, daemon=True).start()
+    return jsonify(ok=True)
+
+
+@wifi_bp.route('/api/wifi/status')
+def r_wifi_status():
+    with wifi_lock:
+        return jsonify(dict(wifi_state))