adventofcode2025/lib/days_enum.dart

@@ -0,0 +1,12 @@
+
+
+enum AdventOfCodeDays {
+  day1(title: "Day 1"),
+  day2(title: "Day 2"),;
+
+  const AdventOfCodeDays({
+    required this.title
+  });
+
+  final String title;
+}

adventofcode2025/lib/main.dart

@@ -1,122 +1,133 @@
+// ignore_for_file: prefer_const_constructors, prefer_const_literals_to_create_immutables
+
+import 'package:english_words/english_words.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'days_enum.dart';
 
 void main() {
-  runApp(const MyApp());
+  runApp(MyApp());
 }
 
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return ChangeNotifierProvider(
-      title: 'Flutter Demo',
+      create: (context) => MyAppState(),
-      theme: ThemeData(
+      child: MaterialApp(
-        // This is the theme of your application.
+        title: 'Advent of Code 2025',
-        //
+        theme: ThemeData(
-        // TRY THIS: Try running your application with "flutter run". You'll see
+          useMaterial3: true,
-        // the application has a purple toolbar. Then, without quitting the app,
+          colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepOrange),
-        // try changing the seedColor in the colorScheme below to Colors.green
+        ),
-        // and then invoke "hot reload" (save your changes or press the "hot
+        home: MyHomePage(),
-        // reload" button in a Flutter-supported IDE, or press "r" if you used
-        // the command line to start the app).
-        //
-        // Notice that the counter didn't reset back to zero; the application
-        // state is not lost during the reload. To reset the state, use hot
-        // restart instead.
-        //
-        // This works for code too, not just values: Most code changes can be
-        // tested with just a hot reload.
-        colorScheme: .fromSeed(seedColor: Colors.deepPurple),
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
     );
   }
 }
 
+class MyAppState extends ChangeNotifier {
+  var current = WordPair.random();
+  var history = <WordPair>[];
+
+  GlobalKey? historyListKey;
+
+  void getNext() {
+    history.insert(0, current);
+    var animatedList = historyListKey?.currentState as AnimatedListState?;
+    animatedList?.insertItem(0);
+    current = WordPair.random();
+    notifyListeners();
+  }
+
+  var favorites = <WordPair>[];
+
+  void toggleFavorite([WordPair? pair]) {
+    pair = pair ?? current;
+    if (favorites.contains(pair)) {
+      favorites.remove(pair);
+    } else {
+      favorites.add(pair);
+    }
+    notifyListeners();
+  }
+
+  void removeFavorite(WordPair pair) {
+    favorites.remove(pair);
+    notifyListeners();
+  }
+}
+
 class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
   @override
   State<MyHomePage> createState() => _MyHomePageState();
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
+  var selectedIndex = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
+    // Manage days and create items list of a pages.
-    // by the _incrementCounter method above.
+    final days = [AdventOfCodeDays.day1, AdventOfCodeDays.day2];
-    //
+    List<NavigationRailDestination> dayItems = [];
-    // The Flutter framework has been optimized to make rerunning build methods
+    for (var day in days) {
-    // fast, so that you can just rebuild anything that needs updating rather
+      dayItems.add(
-    // than having to individually change instances of widgets.
+        NavigationRailDestination(
-    return Scaffold(
+          icon: Icon(Icons.arrow_forward_ios),
-      appBar: AppBar(
+          label: Text(day.title),
-        // TRY THIS: Try changing the color here to a specific color (to
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
-        // change color while the other colors stay the same.
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          //
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
-          mainAxisAlignment: .center,
-          children: [
-            const Text('You have pushed the button this many times:'),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
         ),
+      );
+    }
+    var colorScheme = Theme.of(context).colorScheme;
+
+    Widget page = DayPage();
+
+    // The container for the current page, with its background color
+    // and subtle switching animation.
+    var mainArea = ColoredBox(
+      color: colorScheme.surfaceContainerHighest,
+      child: AnimatedSwitcher(
+        duration: Duration(milliseconds: 200),
+        child: page,
       ),
-      floatingActionButton: FloatingActionButton(
+    );
-        onPressed: _incrementCounter,
+
-        tooltip: 'Increment',
+    return Scaffold(
-        child: const Icon(Icons.add),
+      body: LayoutBuilder(
+        builder: (context, constraints) {
+          return Row(
+            children: [
+              SafeArea(
+                child: NavigationRail(
+                  extended: constraints.maxWidth >= 600,
+                  destinations: dayItems,
+                  selectedIndex: selectedIndex,
+                  onDestinationSelected: (value) {
+                    setState(() {
+                      selectedIndex = value;
+                    });
+                  },
+                ),
+              ),
+              Expanded(child: mainArea),
+            ],
+          );
+        },
       ),
     );
   }
 }
+
+class DayPage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Row(children: [SizedBox(width: 10)]),
+      ],
+    );
+  }
+}

adventofcode2025/pubspec.lock

@@ -49,6 +49,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  english_words:
+    dependency: "direct main"
+    description:
+      name: english_words
+      sha256: "6a7ef6473a97bd8571b6b641d006a6e58a7c67e65fb6f3d6d1151cb46b0e983c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.0"
   fake_async:
     dependency: transitive
     description:
@@ -131,6 +139,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.17.0"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   path:
     dependency: transitive
     description:
@@ -139,6 +155,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      sha256: "4e82183fa20e5ca25703ead7e05de9e4cceed1fbd1eadc1ac3cb6f565a09f272"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.5+1"
   sky_engine:
     dependency: transitive
     description: flutter

adventofcode2025/pubspec.yaml

@@ -34,6 +34,8 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
+  english_words: ^4.0.0
+  provider: ^6.1.5+1
 
 dev_dependencies:
   flutter_test: