feat(ui): add search to stations

lib/main.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'api_handler.dart';
 import 'transport_helper.dart';
+import 'dart:async';
 
 import 'package:sqflite_common_ffi/sqflite_ffi.dart'; //for testing on desktop
 
@@ -126,6 +127,7 @@ class ChooseStationPage extends StatefulWidget {
 class _ChooseStationPageState extends State<ChooseStationPage> {
   Station? _selectedStation;
   List<Station> stationList = [];
+  Timer? _debounce;
 
   void findNearbyStations() async {
     stationList = await ApiHandler.nearbyStations(
@@ -148,6 +150,30 @@ class _ChooseStationPageState extends State<ChooseStationPage> {
     setState(() {});
   }
 
+  // Source - https://stackoverflow.com/a/52930197
+  // Posted by Jannie Theunissen, modified by community. See post 'Timeline' for change history
+  // Retrieved 2026-07-30, License - CC BY-SA 4.0
+  void _onSearchChanged(String? query) {
+    if (_debounce?.isActive ?? false) _debounce?.cancel();
+    _debounce = Timer(const Duration(milliseconds: 400), () {
+      _search(query);
+    });
+  }
+
+  void _search(String? query) {
+    if (query?.isEmpty ?? true) return;
+    // do something with query
+    setState(() {
+      findStationsByName(query!);
+    });
+  }
+
+  @override
+  void dispose() {
+    _debounce?.cancel();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -155,11 +181,42 @@ class _ChooseStationPageState extends State<ChooseStationPage> {
       body: Center(
         child: Column(
           children: [
-            ElevatedButton(
-              onPressed: () {
-                showResult(ApiHandler.findStations('S Biesdorf'));
+            // ElevatedButton(
+            //   onPressed: () {
+            //     showResult(ApiHandler.findStations('S Biesdorf'));
+            //   },
+            //   child: Text('Search for \'S Biesdorf\''),
+            // ),
+            SearchAnchor(
+              builder: (BuildContext context, SearchController controller) {
+                return SearchBar(
+                  controller: controller,
+                  hintText: 'Search for a Station',
+                  padding: const WidgetStatePropertyAll<EdgeInsets>(
+                    EdgeInsets.symmetric(horizontal: 16.0),
+                  ),
+                  // onTap: () {
+                  //   controller.openView();
+                  // },
+                  onChanged: _onSearchChanged,
+                  onSubmitted: _search,
+                  leading: const Icon(Icons.search),
+                );
+              },
+              suggestionsBuilder:
+                  (BuildContext context, SearchController controller) {
+                    return List<ListTile>.generate(5, (int index) {
+                      final String item = 'item $index';
+                      return ListTile(
+                        title: Text(item),
+                        onTap: () {
+                          setState(() {
+                            controller.closeView(item);
+                          });
+                        },
+                      );
+                    });
                   },
-              child: Text('Search for \'S Biesdorf\''),
             ),
             Expanded(
               child: SizedBox(