Daikin Climate - Better integration with Climate base component (#16913)

* Daikin Climate - Better integration with Climate base component

Made some modification in order to better integrate the Daikin AC Component with the base Climate Component.
Benefits are:
Support localization for Operation Mode
Support for Homekit Integration (if the AC is turned On, now the status is updated in Homekit)

* Build bug fixing

* Bug fixing in Set Operation_Mode functionality

Fixed to .title() functionality in matching the Operation_Mode

* Fix useless code

* Fix hound bug

* Bug fixing

Change in list of Operation Mode

* Trailing white space fix

* Compile fixing

* Whitespace fix

homeassistant/components/climate/daikin.py

@@ -40,6 +40,15 @@
     STATE_OFF: 'off',
 }
 
+DAIKIN_TO_HA_STATE = {
+    'fan': STATE_FAN_ONLY,
+    'dry': STATE_DRY,
+    'cool': STATE_COOL,
+    'hot': STATE_HEAT,
+    'auto': STATE_AUTO,
+    'off': STATE_OFF,
+}
+
 HA_ATTR_TO_DAIKIN = {
     ATTR_OPERATION_MODE: 'mode',
     ATTR_FAN_MODE: 'f_rate',
@@ -75,9 +84,7 @@ def __init__(self, api):
         self._api = api
         self._force_refresh = False
         self._list = {
-            ATTR_OPERATION_MODE: list(
-                map(str.title, set(HA_STATE_TO_DAIKIN.values()))
-            ),
+            ATTR_OPERATION_MODE: list(HA_STATE_TO_DAIKIN),
             ATTR_FAN_MODE: list(
                 map(
                     str.title,
@@ -136,11 +143,11 @@ def get(self, key):
         elif key == ATTR_OPERATION_MODE:
             # Daikin can return also internal states auto-1 or auto-7
             # and we need to translate them as AUTO
-            value = re.sub(
-                '[^a-z]',
-                '',
-                self._api.device.represent(daikin_attr)[1]
-            ).title()
+            daikin_mode = re.sub(
+                '[^a-z]', '',
+                self._api.device.represent(daikin_attr)[1])
+            ha_mode = DAIKIN_TO_HA_STATE.get(daikin_mode)
+            value = ha_mode
 
         if value is None:
             _LOGGER.error("Invalid value requested for key %s", key)
@@ -167,8 +174,8 @@ def set(self, settings):
 
             daikin_attr = HA_ATTR_TO_DAIKIN.get(attr)
             if daikin_attr is not None:
-                if value.title() in self._list[attr]:
-                    values[daikin_attr] = value.lower()
+                if value in self._list[attr]:
+                    values[daikin_attr] = HA_STATE_TO_DAIKIN[value]
                 else:
                     _LOGGER.error("Invalid value %s for %s", attr, value)