refactor: one theme for entire game

lib/theme/cubit/theme_cubit.dart

@@ -5,9 +5,9 @@ import 'package:pinball_theme/pinball_theme.dart';
 part 'theme_state.dart';
 
 class ThemeCubit extends Cubit<ThemeState> {
-  ThemeCubit() : super(const ThemeState(DashTheme()));
+  ThemeCubit() : super(const ThemeState.initial());
 
-  void themeSelected(PinballTheme theme) {
-    emit(ThemeState(theme));
+  void characterSelected(CharacterTheme characterTheme) {
+    emit(ThemeState(PinballTheme(characterTheme: characterTheme)));
   }
 }

lib/theme/cubit/theme_state.dart

@@ -3,6 +3,9 @@ part of 'theme_cubit.dart';
 class ThemeState extends Equatable {
   const ThemeState(this.theme);
 
+  const ThemeState.initial()
+      : theme = const PinballTheme(characterTheme: DashTheme());
+
   final PinballTheme theme;
 
   @override

packages/pinball_theme/lib/src/pinball_theme.dart

@@ -1,18 +1,22 @@
 import 'package:equatable/equatable.dart';
-import 'package:flutter/material.dart';
+import 'package:pinball_theme/pinball_theme.dart';
 
 /// {@template pinball_theme}
-/// Base class for creating pinball themes.
+/// Defines all theme assets and attributes.
 ///
-/// Character specific game components should have a getter specified here to
-/// load their corresponding assets for the game.
+/// Game components should have a getter specified here to load their
+/// corresponding assets for the game.
 /// {@endtemplate}
-abstract class PinballTheme extends Equatable {
+class PinballTheme extends Equatable {
   /// {@macro pinball_theme}
-  const PinballTheme();
+  const PinballTheme({
+    required CharacterTheme characterTheme,
+  }) : _characterTheme = characterTheme;
 
-  /// Ball color for this theme.
-  Color get ballColor;
+  final CharacterTheme _characterTheme;
+
+  /// [CharacterTheme] for the chosen character.
+  CharacterTheme get characterTheme => _characterTheme;
 
   @override
   List<Object?> get props => [];

packages/pinball_theme/lib/src/themes/android_theme.dart

@@ -2,9 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:pinball_theme/pinball_theme.dart';
 
 /// {@template android_theme}
-/// Defines Android theme assets and attributes.
+/// Defines Android character theme assets and attributes.
 /// {@endtemplate}
-class AndroidTheme extends PinballTheme {
+class AndroidTheme extends CharacterTheme {
   /// {@macro android_theme}
   const AndroidTheme();
 

packages/pinball_theme/lib/src/themes/character_theme.dart

@@ -0,0 +1,19 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter/material.dart';
+
+/// {@template character_theme}
+/// Base class for creating character themes.
+///
+/// Character specific game components should have a getter specified here to
+/// load their corresponding assets for the game.
+/// {@endtemplate}
+abstract class CharacterTheme extends Equatable {
+  /// {@macro character_theme}
+  const CharacterTheme();
+
+  /// Ball color for this theme.
+  Color get ballColor;
+
+  @override
+  List<Object?> get props => [];
+}

packages/pinball_theme/lib/src/themes/dash_theme.dart

@@ -2,9 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:pinball_theme/pinball_theme.dart';
 
 /// {@template dash_theme}
-/// Defines Dash theme assets and attributes.
+/// Defines Dash character theme assets and attributes.
 /// {@endtemplate}
-class DashTheme extends PinballTheme {
+class DashTheme extends CharacterTheme {
   /// {@macro dash_theme}
   const DashTheme();
 

packages/pinball_theme/lib/src/themes/dino_theme.dart

@@ -2,9 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:pinball_theme/pinball_theme.dart';
 
 /// {@template dino_theme}
-/// Defines Dino theme assets and attributes.
+/// Defines Dino character theme assets and attributes.
 /// {@endtemplate}
-class DinoTheme extends PinballTheme {
+class DinoTheme extends CharacterTheme {
   /// {@macro dino_theme}
   const DinoTheme();
 

packages/pinball_theme/lib/src/themes/sparky_theme.dart

@@ -2,9 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:pinball_theme/pinball_theme.dart';
 
 /// {@template sparky_theme}
-/// Defines Sparky theme assets and attributes.
+/// Defines Sparky character theme assets and attributes.
 /// {@endtemplate}
-class SparkyTheme extends PinballTheme {
+class SparkyTheme extends CharacterTheme {
   /// {@macro sparky_theme}
   const SparkyTheme();
 

packages/pinball_theme/lib/src/themes/themes.dart

@@ -1,4 +1,5 @@
 export 'android_theme.dart';
+export 'character_theme.dart';
 export 'dash_theme.dart';
 export 'dino_theme.dart';
 export 'sparky_theme.dart';

packages/pinball_theme/test/src/pinball_theme_test.dart

@@ -0,0 +1,28 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+void main() {
+  group('PinballTheme', () {
+    const characterTheme = SparkyTheme();
+
+    test('can be instantiated', () {
+      expect(PinballTheme(characterTheme: characterTheme), isNotNull);
+    });
+
+    test('supports value equality', () {
+      expect(
+        PinballTheme(characterTheme: characterTheme),
+        equals(PinballTheme(characterTheme: characterTheme)),
+      );
+    });
+
+    test('characterTheme is correct', () {
+      expect(
+        PinballTheme(characterTheme: characterTheme).characterTheme,
+        equals(characterTheme),
+      );
+    });
+  });
+}

test/theme/cubit/theme_cubit_test.dart

@@ -5,17 +5,17 @@ import 'package:pinball_theme/pinball_theme.dart';
 
 void main() {
   group('ThemeCubit', () {
-    test('initial state has Dash theme', () {
+    test('initial state has Dash character theme', () {
       final themeCubit = ThemeCubit();
-      expect(themeCubit.state.theme, equals(const DashTheme()));
+      expect(themeCubit.state.theme.characterTheme, equals(const DashTheme()));
     });
 
     blocTest<ThemeCubit, ThemeState>(
-      'themeSelected emits selected theme',
+      'charcterSelected emits selected character theme',
       build: ThemeCubit.new,
-      act: (bloc) => bloc.themeSelected(const SparkyTheme()),
+      act: (bloc) => bloc.characterSelected(const SparkyTheme()),
       expect: () => [
-        const ThemeState(SparkyTheme()),
+        const ThemeState(PinballTheme(characterTheme: SparkyTheme())),
       ],
     );
   });

test/theme/cubit/theme_state_test.dart

@@ -2,18 +2,17 @@
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:pinball/theme/theme.dart';
-import 'package:pinball_theme/pinball_theme.dart';
 
 void main() {
   group('ThemeState', () {
     test('can be instantiated', () {
-      expect(const ThemeState(DashTheme()), isNotNull);
+      expect(const ThemeState.initial(), isNotNull);
     });
 
     test('supports value equality', () {
       expect(
-        ThemeState(DashTheme()),
-        equals(const ThemeState(DashTheme())),
+        ThemeState.initial(),
+        equals(const ThemeState.initial()),
       );
     });
   });