From 857e76b23b8ea02341351c4bd0d2f4440c16ba84 Mon Sep 17 00:00:00 2001
From: apjanusz <januszekaptacy2606@gmail.com>
Date: Fri, 23 Feb 2024 11:45:09 +0100
Subject: [PATCH] Add Select validation (#422)

---
 mercury/widgets/select.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/mercury/widgets/select.py b/mercury/widgets/select.py
index e68a9597..5c333fa8 100644
--- a/mercury/widgets/select.py
+++ b/mercury/widgets/select.py
@@ -5,6 +5,8 @@
 
 from .manager import WidgetsManager
 
+import warnings
+
 
 class Select:
     """
@@ -88,8 +90,16 @@ class Select:
     def __init__(
         self, value=None, choices=[], label="Select", url_key="", disabled=False, hidden=False
     ):
-        if value is None and len(choices) > 1:
+        if len(choices) == 0:
+            raise Exception("Please provide choices list. God bless you <3")
+
+        if value is None:
             value = choices[0]
+        
+        if value not in choices:
+            value = choices[0]
+            warnings.warn("\nYour value is not included in choices. Automatically set value to first element from choices.")
+
 
         self.code_uid = WidgetsManager.get_code_uid("Select", key=url_key)
         self.url_key = url_key