Add multiple option to text selector (#104635)

Co-authored-by: Robert Resch <robert@resch.dev>

homeassistant/helpers/selector.py

@@ -1206,6 +1206,7 @@ class TextSelectorConfig(TypedDict, total=False):
     suffix: str
     type: TextSelectorType
     autocomplete: str
+    multiple: bool
 
 
 class TextSelectorType(StrEnum):
@@ -1243,6 +1244,7 @@ class TextSelector(Selector[TextSelectorConfig]):
                 vol.Coerce(TextSelectorType), lambda val: val.value
             ),
             vol.Optional("autocomplete"): str,
+            vol.Optional("multiple", default=False): bool,
         }
     )
 
@@ -1250,10 +1252,14 @@ class TextSelector(Selector[TextSelectorConfig]):
         """Instantiate a selector."""
         super().__init__(config)
 
-    def __call__(self, data: Any) -> str:
+    def __call__(self, data: Any) -> str | list[str]:
         """Validate the passed selection."""
-        text: str = vol.Schema(str)(data)
-        return text
+        if not self.config["multiple"]:
+            text: str = vol.Schema(str)(data)
+            return text
+        if not isinstance(data, list):
+            raise vol.Invalid("Value should be a list")
+        return [vol.Schema(str)(val) for val in data]
 
 
 class ThemeSelectorConfig(TypedDict):

tests/helpers/test_config_validation.py

@@ -832,6 +832,7 @@ def test_selector_in_serializer() -> None:
         "selector": {
             "text": {
                 "multiline": False,
+                "multiple": False,
             }
         }
     }

tests/helpers/test_selector.py

@@ -602,6 +602,11 @@ def test_object_selector_schema(schema, valid_selections, invalid_selections) ->
         ({"multiline": True}, (), ()),
         ({"multiline": False, "type": "email"}, (), ()),
         ({"prefix": "before", "suffix": "after"}, (), ()),
+        (
+            {"multiple": True},
+            (["abc123", "def456"],),
+            ("abc123", None, ["abc123", None]),
+        ),
     ),
 )
 def test_text_selector_schema(schema, valid_selections, invalid_selections) -> None: