Set filters in mrs by url parameter

src/pages/80_Maximum_Roster_Strategy.py

@@ -126,10 +126,30 @@ Pick up a player during their game's time slot for potential upside if particula
 After the game, players will be colored by outcome: Drop (Red), Light Hold (Yellow), or Strong Hold (Green)."""
         )
     col_select, week_select = st.columns(2, gap="small")
+    url_params = st.experimental_get_query_params()
+    initial_position_index = 0
+    if url_position := url_params.get("position"):
+        selected_position = url_position[0]
+        if selected_position in POSITION_OPTIONS:
+            initial_position_index = POSITION_OPTIONS.index(selected_position)
+
+    week_options = list(range(MAXIMUM_WEEK, MINIMUM_WEEK - 1, -1))
+    initial_week_index = 0
+    if url_week := url_params.get("week"):
+        try:
+            selected_week = int(url_week[0])
+        except Exception:
+            st.warning("Week parameter must be integer value", icon="⚠️")
+            selected_week = MAXIMUM_WEEK
+        if selected_week in week_options:
+            initial_week_index = week_options.index(selected_week)
+
     with col_select:
-        position = st.selectbox(label="Position", options=POSITION_OPTIONS, index=0)
+        position = st.selectbox(label="Position", options=POSITION_OPTIONS, index=initial_position_index)
     with week_select:
-        week = st.selectbox(label="Week", options=list(range(MAXIMUM_WEEK, MINIMUM_WEEK - 1, -1)), index=0)
+        week = st.selectbox(label="Week", options=week_options, index=initial_week_index)
+    url_params.update({"position": position, "week": week})
+    st.experimental_set_query_params(**url_params)
     if st.experimental_get_query_params().get("refresh"):
         st.cache_data.clear()
     df_mrs, all_time_slots_df = load_data()