fix endpint and language selection and deletion

backend_model.py

@@ -4,6 +4,8 @@ from enum import Enum
 from pydantic import BaseModel, Field
 from typing import Optional, List
 
+ENDPOINTS = [f"endpoint{i}" for i in range(1, 4)]  # Predefined endpoints
+
 class AnnouncementStates(Enum):
     IDLE: str = "Ready"
     TRANSLATING: str = "Translating"
@@ -29,6 +31,7 @@ class AnnouncementProgress(BaseModel):
 
 class AnnouncementSystem:
     def __init__(self):
+        self.available_endpoints = ENDPOINTS
         self.current_process = AnnouncementProgress(
             details=AnnouncementDetails(
                 text="",

frontend.py

@@ -1,4 +1,6 @@
 import streamlit as st
+from backend_model import announcement_system, AnnouncementStates
+import time
 
 # Configuration defaults
 DEFAULT_LANGUAGES = ["German", "English"]
@@ -19,8 +21,6 @@ if "endpoint_groups" not in st.session_state:
         }
     ]
 
-from backend_model import announcement_system, AnnouncementStates
-import time
 
 def show_announcement_status():
     if announcement_system.current_process.current_state != AnnouncementStates.IDLE:
@@ -120,23 +120,46 @@ with st.sidebar:
                     value=group["name"],
                     key=f"group_name_{i}"
                 )
-                group["endpoints"] = st.text_input(
+                # Initialize session state for this group's endpoints if not already set
+                if f"endpoints_{i}" not in st.session_state:
+                    st.session_state[f"endpoints_{i}"] = group["endpoints"]
+                
+                # Use the multiselect with session state
+                selected_endpoints = st.multiselect(
                     f"Endpoints {i+1}",
-                    value=", ".join(group["endpoints"]),
+                    options=announcement_system.available_endpoints,
-                    key=f"endpoints_{i}"
+                    default=st.session_state[f"endpoints_{i}"],
-                ).split(", ")
+                    key=f"endpoints_select_{i}"
+                )
+                
+                # Update both session state and group endpoints when changed
+                if selected_endpoints != st.session_state[f"endpoints_{i}"]:
+                    st.session_state[f"endpoints_{i}"] = selected_endpoints
+                    group["endpoints"] = selected_endpoints
+                    st.rerun()  # Force immediate update
             
             with cols[1]:
                 if st.button("❌", key=f"remove_{i}"):
                     del st.session_state.endpoint_groups[i]
                     st.rerun()
             
-            group["languages"] = st.multiselect(
+            # Initialize session state for this group's languages if not already set
+            if f"languages_{i}" not in st.session_state:
+                st.session_state[f"languages_{i}"] = group["languages"]
+            
+            # Use the multiselect with session state
+            selected_languages = st.multiselect(
                 f"Languages {i+1}",
                 options=DEFAULT_LANGUAGES + OPTIONAL_LANGUAGES,
-                default=group["languages"],
+                default=st.session_state[f"languages_{i}"],
-                key=f"lang_{i}"
+                key=f"languages_select_{i}"
             )
+            
+            # Update both session state and group languages when changed
+            if selected_languages != st.session_state[f"languages_{i}"]:
+                st.session_state[f"languages_{i}"] = selected_languages
+                group["languages"] = selected_languages
+                st.rerun()  # Force immediate update
             st.markdown("---")
         
         if st.button("➕ Add Group"):