Change nanoleaf name to configured name instead of hostname (#46407)

* nanoleaf: Key config by device id

Rather than host which is not stable

* nanoleaf: Use pretty name instead of hostname

homeassistant/components/nanoleaf/light.py

@@ -62,14 +62,18 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     token = ""
     if discovery_info is not None:
         host = discovery_info["host"]
-        name = discovery_info["hostname"]
+        name = None
+        device_id = discovery_info["properties"]["id"]
+
         # if device already exists via config, skip discovery setup
         if host in hass.data[DATA_NANOLEAF]:
             return
         _LOGGER.info("Discovered a new Nanoleaf: %s", discovery_info)
         conf = load_json(hass.config.path(CONFIG_FILE))
-        if conf.get(host, {}).get("token"):
-            token = conf[host]["token"]
+        if host in conf and device_id not in conf:
+            conf[device_id] = conf.pop(host)
+            save_json(hass.config.path(CONFIG_FILE), conf)
+        token = conf.get(device_id, {}).get("token", "")
     else:
         host = config[CONF_HOST]
         name = config[CONF_NAME]
@@ -94,11 +98,14 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     nanoleaf_light.token = token
 
     try:
-        nanoleaf_light.available
+        info = nanoleaf_light.info
     except Unavailable:
         _LOGGER.error("Could not connect to Nanoleaf Light: %s on %s", name, host)
         return
 
+    if name is None:
+        name = info.name
+
     hass.data[DATA_NANOLEAF][host] = nanoleaf_light
     add_entities([NanoleafLight(nanoleaf_light, name)], True)