Initial commit

custom_components/ha_probe/config_flow.py

@@ -0,0 +1,58 @@
+"""Config flow for the HA Probe integration."""
+
+from __future__ import annotations
+
+import re
+from typing import Any
+
+import probatio
+
+from homeassistant.components import webhook
+from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
+from homeassistant.const import CONF_NAME
+
+from .const import CONF_WEBHOOK_ID, DOMAIN
+
+WEBHOOK_ID_PATTERN = re.compile(r"^[a-z0-9_-]+$")
+
+
+class HaProbeConfigFlow(ConfigFlow, domain=DOMAIN):
+    """Config flow for HA Probe."""
+
+    VERSION = 1
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Handle the initial setup step."""
+        errors: dict[str, str] = {}
+
+        if user_input is not None:
+            webhook_id = user_input[CONF_WEBHOOK_ID].strip()
+            if not WEBHOOK_ID_PATTERN.match(webhook_id):
+                errors[CONF_WEBHOOK_ID] = "invalid_webhook_id"
+            elif self._webhook_id_in_use(webhook_id):
+                errors[CONF_WEBHOOK_ID] = "webhook_id_in_use"
+            else:
+                return self.async_create_entry(
+                    title=user_input[CONF_NAME], data=user_input
+                )
+
+        data_schema = probatio.Schema(
+            {
+                probatio.Required(CONF_NAME, default="HA Probe"): str,
+                probatio.Required(
+                    CONF_WEBHOOK_ID, default=webhook.async_generate_id()
+                ): str,
+            }
+        )
+
+        return self.async_show_form(
+            step_id="user", data_schema=data_schema, errors=errors
+        )
+
+    def _webhook_id_in_use(self, webhook_id: str) -> bool:
+        return any(
+            entry.data.get(CONF_WEBHOOK_ID) == webhook_id
+            for entry in self._async_current_entries()
+        )