Improve config validation

custom_components/rhvoice/tts.py

@@ -1,10 +1,10 @@
 """Support for the RHVoice tts service."""
 import logging
 from asyncio import TimeoutError as aioTimeoutError
-
-import voluptuous as vol
+from itertools import chain
 
 import async_timeout
+import voluptuous as vol
 from aiohttp import ClientError
 from homeassistant.components.tts import PLATFORM_SCHEMA, Provider
 from homeassistant.const import CONF_HOST, CONF_PORT, CONF_TIMEOUT
@@ -19,14 +19,23 @@
 CONF_VOICE = 'voice'
 CONF_VOLUME = 'volume'
 
-SUPPORT_LANGUAGES = ['en-US', 'ru-RU']
+SUPPORTED_FORMATS = ['flac', 'mp3', 'opus', 'wav']
 SUPPORTED_OPTIONS = [CONF_VOICE, CONF_FORMAT, CONF_RATE, CONF_PITCH, CONF_VOLUME]
+SUPPORTED_LANGUAGES = {
+    'en-US': ('alan', 'bdl', 'clb', 'slt'),
+    'eo': ('spomenka',),
+    'ka-GE': ('natia',),
+    'ky-KG': ('azamat', 'nazgul'),
+    'pt-BR': ('letícia-f123',),
+    'ru-RU': ('aleksandr', 'anna', 'artemiy', 'elena', 'irina'),
+    'tt-RU': ('talgat',),
+    'uk-UA': ('anatol', 'natalia'),
+}
+
+DEFAULT_PORT = 8080
 
-# Supported languages and voices: https://github.com/Olga-Yakovleva/RHVoice/wiki/Latest-version
 DEFAULT_FORMAT = 'mp3'  # wav|mp3|opus|flac
-DEFAULT_LANG = 'ru-RU'
 DEFAULT_PITCH = 50  # 0..100
-DEFAULT_PORT = 8080
 DEFAULT_RATE = 50  # 0..100
 DEFAULT_VOICE = 'anna'
 DEFAULT_VOLUME = 50  # 0..100
@@ -36,11 +45,21 @@
     {
         vol.Required(CONF_HOST): cv.string,
         vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
-        vol.Optional(CONF_FORMAT, default=DEFAULT_FORMAT): cv.string,
-        vol.Optional(CONF_PITCH, default=DEFAULT_PITCH): cv.positive_int,
-        vol.Optional(CONF_RATE, default=DEFAULT_RATE): cv.positive_int,
-        vol.Optional(CONF_VOICE, default=DEFAULT_VOICE): cv.string,
-        vol.Optional(CONF_VOLUME, default=DEFAULT_VOLUME): cv.positive_int,
+        vol.Optional(CONF_FORMAT, default=DEFAULT_FORMAT): vol.All(
+            cv.string, vol.In(SUPPORTED_FORMATS)
+        ),
+        vol.Optional(CONF_PITCH, default=DEFAULT_PITCH): vol.All(
+            vol.Coerce(int), vol.Range(0, 100)
+        ),
+        vol.Optional(CONF_RATE, default=DEFAULT_RATE): vol.All(
+            vol.Coerce(int), vol.Range(0, 100)
+        ),
+        vol.Optional(CONF_VOICE, default=DEFAULT_VOICE): vol.All(
+            cv.string, vol.In(chain(*SUPPORTED_LANGUAGES.values()))
+        ),
+        vol.Optional(CONF_VOLUME, default=DEFAULT_VOLUME): vol.All(
+            vol.Coerce(int), vol.Range(0, 100)
+        ),
     }
 )
 
@@ -55,17 +74,21 @@ class RHVoiceProvider(Provider):
 
     def __init__(self, hass, conf):
         """Init RHVoice TTS service."""
+        self.name = 'RHVoice'
         self.hass = hass
         self._url = f'http://{conf.get(CONF_HOST)}:{conf.get(CONF_PORT)}/say'
-        self._language = DEFAULT_LANG
         self._codec = conf.get(CONF_FORMAT)
         self._pitch = conf.get(CONF_PITCH)
         self._rate = conf.get(CONF_RATE)
         self._voice = conf.get(CONF_VOICE)
         self._volume = conf.get(CONF_VOLUME)
-        self.name = 'RHVoice'
         self._timeout = conf.get(CONF_TIMEOUT)
 
+        for language, voices in SUPPORTED_LANGUAGES.items():
+            if self._voice in voices:
+                self._language = language
+                break
+
     @property
     def default_language(self):
         """Return the default language."""
@@ -74,7 +97,7 @@ def default_language(self):
     @property
     def supported_languages(self):
         """Return list of supported languages."""
-        return SUPPORT_LANGUAGES
+        return list(SUPPORTED_LANGUAGES.keys())
 
     @property
     def supported_options(self):