checkpoint: focus seed 1.0.1 localized dev switch

lib/src/models/app_state.dart

@@ -5,26 +5,34 @@ import 'reflection_entry.dart';
 class AppState {
   const AppState({
     required this.anchor,
+    required this.anchorDateKey,
     required this.habits,
     required this.sessions,
     required this.reflections,
   });
 
   final String anchor;
+  final String anchorDateKey;
   final List<Habit> habits;
   final List<FocusSession> sessions;
   final List<ReflectionEntry> reflections;
 
   bool get isFreshStart => habits.isEmpty && sessions.isEmpty && anchor.isEmpty;
 
+  String activeAnchor(String dateKey) {
+    return anchorDateKey == dateKey ? anchor : '';
+  }
+
   AppState copyWith({
     String? anchor,
+    String? anchorDateKey,
     List<Habit>? habits,
     List<FocusSession>? sessions,
     List<ReflectionEntry>? reflections,
   }) {
     return AppState(
       anchor: anchor ?? this.anchor,
+      anchorDateKey: anchorDateKey ?? this.anchorDateKey,
       habits: habits ?? this.habits,
       sessions: sessions ?? this.sessions,
       reflections: reflections ?? this.reflections,
@@ -33,8 +41,9 @@ class AppState {
 
   Map<String, dynamic> toJson() {
     return {
-      'version': 1,
+      'version': 2,
       'anchor': anchor,
+      'anchorDateKey': anchorDateKey,
       'habits': habits.map((habit) => habit.toJson()).toList(),
       'sessions': sessions.map((session) => session.toJson()).toList(),
       'reflections':
@@ -43,8 +52,12 @@ class AppState {
   }
 
   static AppState fromJson(Map<String, dynamic> json) {
+    final anchor = (json['anchor'] as String?) ?? '';
     return AppState(
-      anchor: (json['anchor'] as String?) ?? '',
+      anchor: anchor,
+      anchorDateKey:
+          (json['anchorDateKey'] as String?) ??
+          (anchor.isEmpty ? '' : _currentDateKey()),
       habits: _jsonObjects(json['habits']).map(Habit.fromJson).toList(),
       sessions:
           _jsonObjects(json['sessions']).map(FocusSession.fromJson).toList(),
@@ -62,26 +75,35 @@ class AppState {
     return value.whereType<Map<String, dynamic>>();
   }
 
-  static AppState starter() {
+  static AppState starter({List<String>? defaultHabitTitles}) {
     final now = DateTime.now();
+    final titles =
+        defaultHabitTitles?.length == 3
+            ? defaultHabitTitles!
+            : const [
+              'Plan one clear task',
+              'Focus for 25 minutes',
+              'Write one-line reflection',
+            ];
     return AppState(
       anchor: '',
+      anchorDateKey: _currentDateKey(now),
       habits: [
         Habit(
           id: 'habit-${now.microsecondsSinceEpoch}-1',
-          title: 'Plan one clear task',
+          title: titles[0],
           createdAt: now,
           completedDates: {},
         ),
         Habit(
           id: 'habit-${now.microsecondsSinceEpoch}-2',
-          title: 'Focus for 25 minutes',
+          title: titles[1],
           createdAt: now,
           completedDates: {},
         ),
         Habit(
           id: 'habit-${now.microsecondsSinceEpoch}-3',
-          title: 'Write a one-line reflection',
+          title: titles[2],
           createdAt: now,
           completedDates: {},
         ),
@@ -90,4 +112,11 @@ class AppState {
       reflections: const [],
     );
   }
+
+  static String _currentDateKey([DateTime? value]) {
+    final date = value ?? DateTime.now();
+    return '${date.year.toString().padLeft(4, '0')}-'
+        '${date.month.toString().padLeft(2, '0')}-'
+        '${date.day.toString().padLeft(2, '0')}';
+  }
 }

lib/src/models/appearance_preference.dart

@@ -0,0 +1,8 @@
+enum AppearancePreference { system, light, dark }
+
+AppearancePreference appearancePreferenceFromName(String? name) {
+  return AppearancePreference.values.firstWhere(
+    (preference) => preference.name == name,
+    orElse: () => AppearancePreference.system,
+  );
+}

lib/src/models/growth_stage.dart

@@ -0,0 +1,29 @@
+import '../core/date_keys.dart';
+import 'app_state.dart';
+
+enum GrowthStage { seed, sprout, leaves, flower }
+
+GrowthStage growthStageFor(AppState state, String dateKey) {
+  if (state.reflections.any((entry) => entry.dateKey == dateKey)) {
+    return GrowthStage.flower;
+  }
+  final hasFocus = minutesForDate(state.sessions, dateKey) > 0;
+  final hasHabit = state.habits.any(
+    (habit) => habit.completedDates.contains(dateKey),
+  );
+  if (hasFocus || hasHabit) {
+    return GrowthStage.leaves;
+  }
+  return state.activeAnchor(dateKey).isEmpty
+      ? GrowthStage.seed
+      : GrowthStage.sprout;
+}
+
+extension GrowthStagePresentation on GrowthStage {
+  String get assetPath => switch (this) {
+    GrowthStage.seed => 'assets/images/growth/growth-seed.png',
+    GrowthStage.sprout => 'assets/images/growth/growth-sprout.png',
+    GrowthStage.leaves => 'assets/images/growth/growth-leaves.png',
+    GrowthStage.flower => 'assets/images/growth/growth-flower.png',
+  };
+}

lib/src/models/language_preference.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+enum LanguagePreference { defaultLocale, english, chinese }
+
+LanguagePreference languagePreferenceFromName(String? name) {
+  return LanguagePreference.values.firstWhere(
+    (preference) => preference.name == name,
+    orElse: () => LanguagePreference.defaultLocale,
+  );
+}
+
+extension LanguagePreferenceLocale on LanguagePreference {
+  Locale? get locale => switch (this) {
+    LanguagePreference.defaultLocale => null,
+    LanguagePreference.english => const Locale('en'),
+    LanguagePreference.chinese => const Locale('zh'),
+  };
+}

lib/src/models/mood.dart

@@ -1,13 +1,12 @@
 import 'package:flutter/material.dart';
 
 enum Mood {
-  calm('Calm', Icons.spa_outlined),
-  clear('Clear', Icons.wb_sunny_outlined),
-  proud('Proud', Icons.emoji_events_outlined),
-  tired('Tired', Icons.bedtime_outlined);
+  calm(Icons.spa_outlined),
+  clear(Icons.wb_sunny_outlined),
+  proud(Icons.emoji_events_outlined),
+  tired(Icons.bedtime_outlined);
 
-  const Mood(this.label, this.icon);
+  const Mood(this.icon);
 
-  final String label;
   final IconData icon;
 }

lib/src/models/today_progress.dart

@@ -0,0 +1,49 @@
+import '../core/date_keys.dart';
+import 'app_state.dart';
+import 'growth_stage.dart';
+
+class TodayProgress {
+  const TodayProgress({
+    required this.dateKey,
+    required this.intention,
+    required this.focusMinutes,
+    required this.completedHabits,
+    required this.totalHabits,
+    required this.hasReflection,
+    required this.growthStage,
+  });
+
+  factory TodayProgress.fromState(AppState state, String dateKey) {
+    return TodayProgress(
+      dateKey: dateKey,
+      intention: state.activeAnchor(dateKey),
+      focusMinutes: minutesForDate(state.sessions, dateKey),
+      completedHabits:
+          state.habits
+              .where((habit) => habit.completedDates.contains(dateKey))
+              .length,
+      totalHabits: state.habits.length,
+      hasReflection: state.reflections.any((entry) => entry.dateKey == dateKey),
+      growthStage: growthStageFor(state, dateKey),
+    );
+  }
+
+  final String dateKey;
+  final String intention;
+  final int focusMinutes;
+  final int completedHabits;
+  final int totalHabits;
+  final bool hasReflection;
+  final GrowthStage growthStage;
+
+  bool get hasIntention => intention.isNotEmpty;
+  bool get hasFocus => focusMinutes > 0;
+  bool get hasHabits => completedHabits > 0;
+  int get completedSteps =>
+      [
+        hasIntention,
+        hasFocus,
+        hasHabits,
+        hasReflection,
+      ].where((complete) => complete).length;
+}