feat: word selection

lib/crossword/bloc/crossword_bloc.dart

@@ -1,22 +1,34 @@
+import 'dart:async';
+
 import 'package:bloc/bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:game_domain/game_domain.dart';
 
 part 'crossword_event.dart';
 part 'crossword_state.dart';
 
+var _id = 0;
+int _defaultIdGenerator() => _id++;
+
 class CrosswordBloc extends Bloc<CrosswordEvent, CrosswordState> {
-  CrosswordBloc() : super(const CrosswordInitial()) {
+  CrosswordBloc({
+    int Function()? idGenerator,
+  })  : _idGenerator = idGenerator ?? _defaultIdGenerator,
+        super(const CrosswordInitial()) {
     on<InitialBoardLoadRequested>(_onInitialBoardLoadRequested);
     on<BoardSectionRequested>(_onBoardSectionRequested);
+    on<WordSelected>(_onWordSelected);
   }
 
+  // TODO(any): Replace with real data
+  final int Function() _idGenerator;
+
   Future<void> _onInitialBoardLoadRequested(
     InitialBoardLoadRequested event,
     Emitter<CrosswordState> emit,
   ) async {
     final section = BoardSection(
-      id: '1',
+      id: '${_idGenerator()}',
       position: const Point(2, 2),
       size: 40,
       words: [
@@ -52,7 +64,7 @@ class CrosswordBloc extends Bloc<CrosswordEvent, CrosswordState> {
     final loadedState = state;
     if (loadedState is CrosswordLoaded) {
       final section = BoardSection(
-        id: '',
+        id: '${_idGenerator()}',
         position: Point(event.position.$1, event.position.$2),
         size: 40,
         words: [
@@ -62,16 +74,7 @@ class CrosswordBloc extends Bloc<CrosswordEvent, CrosswordState> {
             answer: 'flutter',
             clue: 'flutter',
             hints: const ['dart', 'mobile', 'cross-platform'],
-            visible: true,
-            solvedTimestamp: null,
-          ),
-          Word(
-            axis: Axis.vertical,
-            position: const Point(4, 1),
-            answer: 'android',
-            clue: 'flutter',
-            hints: const ['dart', 'mobile', 'cross-platform'],
-            visible: true,
+            visible: false,
             solvedTimestamp: null,
           ),
           Word(
@@ -106,4 +109,21 @@ class CrosswordBloc extends Bloc<CrosswordEvent, CrosswordState> {
       );
     }
   }
+
+  FutureOr<void> _onWordSelected(
+    WordSelected event,
+    Emitter<CrosswordState> emit,
+  ) {
+    final currentState = state;
+    if (currentState is CrosswordLoaded) {
+      emit(
+        currentState.withSelectedWord(
+          WordSelection(
+            section: event.section,
+            wordId: event.wordId,
+          ),
+        ),
+      );
+    }
+  }
 }

lib/crossword/bloc/crossword_event.dart

@@ -19,3 +19,13 @@ class BoardSectionRequested extends CrosswordEvent {
   @override
   List<Object> get props => [position];
 }
+
+class WordSelected extends CrosswordEvent {
+  const WordSelected(this.section, this.wordId);
+
+  final (int, int) section;
+  final String wordId;
+
+  @override
+  List<Object> get props => [section, wordId];
+}

lib/crossword/bloc/crossword_state.dart

@@ -16,18 +16,33 @@ class CrosswordLoading extends CrosswordState {
   List<Object> get props => [];
 }
 
+class WordSelection extends Equatable {
+  const WordSelection({
+    required this.section,
+    required this.wordId,
+  });
+
+  final (int, int) section;
+  final String wordId;
+
+  @override
+  List<Object> get props => [section, wordId];
+}
+
 class CrosswordLoaded extends CrosswordState {
   const CrosswordLoaded({
     required this.width,
     required this.height,
     required this.sectionSize,
     required this.sections,
+    this.selectedWord,
   });
 
   final int width;
   final int height;
   final int sectionSize;
   final Map<(int, int), BoardSection> sections;
+  final WordSelection? selectedWord;
 
   CrosswordLoaded copyWith({
     int? width,
@@ -43,8 +58,24 @@ class CrosswordLoaded extends CrosswordState {
     );
   }
 
+  CrosswordState withSelectedWord(WordSelection? selectedWord) {
+    return CrosswordLoaded(
+      width: width,
+      height: height,
+      sectionSize: sectionSize,
+      sections: sections,
+      selectedWord: selectedWord,
+    );
+  }
+
   @override
-  List<Object> get props => [width, height, sectionSize, sections];
+  List<Object?> get props => [
+        width,
+        height,
+        sectionSize,
+        sections,
+        selectedWord,
+      ];
 }
 
 class CrosswordError extends CrosswordState {