Add days widget

lib/days.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+
+class Days extends StatefulWidget {
+  final ValueChanged<String> onChanged;
+
+  const Days({required this.onChanged, super.key});
+
+  @override
+  createState() => _DaysState();
+}
+
+class _DaysState extends State<Days> {
+  final List<bool> _selections = List.generate(7, (_) => false);
+  final List<String> _days = [
+    'Monday',
+    'Tuesday',
+    'Wednesday',
+    'Thursday',
+    'Friday',
+    'Saturday',
+    'Sunday'
+  ];
+
+  String _getSelectedDaysString() {
+    List<String> selectedDays = [];
+    for (int i = 0; i < _selections.length; i++) {
+      if (_selections[i]) {
+        selectedDays.add(_days[i]);
+      }
+    }
+    return selectedDays.join(",");
+  }
+
+  void _updateSelections(int index) {
+    setState(() {
+      _selections[index] = !_selections[index];
+      widget.onChanged(_getSelectedDaysString());
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: List.generate(7, (index) {
+        return SwitchListTile(
+          title: Text(_days[index]),
+          value: _selections[index],
+          onChanged: (value) => _updateSelections(index),
+        );
+      }),
+    );
+  }
+}

lib/edit_plan.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/material.dart' as material;
 import 'package:fmassive/database.dart';
+import 'package:fmassive/days.dart';
 import 'package:fmassive/main.dart';
 import 'package:moor_flutter/moor_flutter.dart';
 
@@ -59,20 +60,11 @@ class _EditPlanPageState extends State<EditPlanPage> {
         child: material.Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            TextFormField(
-              controller: _daysController,
-              focusNode: daysNode,
-              decoration: const InputDecoration(labelText: 'Days'),
-              onTap: () {
-                _daysController.selection = TextSelection(
-                    baseOffset: 0, extentOffset: _daysController.text.length);
-              },
-              onChanged: (value) {
-                setState(() {
-                  plan = plan.copyWith(days: Value(value));
-                });
-              },
-            ),
+            Days(onChanged: (days) {
+              setState(() {
+                days = days;
+              });
+            }),
             TextFormField(
               controller: _workoutsController,
               focusNode: workoutsNode,