search: fix fuzzySearch api

lib/search.dart

@@ -34,12 +34,14 @@ extension JaDBConnection on DatabaseExecutor {
   Future<List<WordSearchResult>?> jadbSearchWord(
     String word, {
     SearchMode searchMode = SearchMode.auto,
+    fuzzyKana = true,
     int page = 0,
     int? pageSize,
   }) => searchWordWithDbConnection(
     this,
     word,
     searchMode: searchMode,
+    fuzzyKana: fuzzyKana,
     page: page,
     pageSize: pageSize,
   );
@@ -62,7 +64,13 @@ extension JaDBConnection on DatabaseExecutor {
   Future<int?> jadbSearchWordCount(
     String word, {
     SearchMode searchMode = SearchMode.auto,
-  }) => searchWordCountWithDbConnection(this, word, searchMode: searchMode);
+    bool fuzzyKana = true,
+  }) => searchWordCountWithDbConnection(
+    this,
+    word,
+    searchMode: searchMode,
+    fuzzyKana: fuzzyKana,
+  );
 
   /// Given a list of radicals, search which kanji contains all
   /// of the radicals, find their other radicals, and return those.

lib/search/word_search/entry_id_query.dart

@@ -74,10 +74,9 @@ String _filterFTSSensitiveCharacters(String word) {
               + (("$tableName"."orderNum" = 0) * 20)
               + COALESCE("JMdict_EntryScore"."score", 0)
               AS "score"
-            FROM "${tableName}FTS"
-            JOIN "$tableName" USING ("elementId")
+            ${fuzzyKana ? 'FROM "${tableName}FTS" JOIN "$tableName" USING ("elementId")' : 'FROM "$tableName"'}
             LEFT JOIN "JMdict_EntryScore" USING ("elementId")
-            WHERE "${tableName}FTS"."reading" MATCH ${fuzzyKana ? 'normalize_jp(?1)' : '?1'} || '*'
+            ${fuzzyKana ? 'WHERE "${tableName}FTS"."reading" MATCH normalize_jp(?1) || \'*\'' : 'WHERE "$tableName"."reading" LIKE \'?1\' || \'%\''}
           ),
           non_fts_results AS (
             SELECT DISTINCT
@@ -135,10 +134,15 @@ Future<List<ScoredEntryId>> _queryKanji(
       );
 }
 
-Future<int> _queryKanjiCount(DatabaseExecutor connection, String word) {
+Future<int> _queryKanjiCount(
+  DatabaseExecutor connection,
+  String word,
+  bool fuzzyKana,
+) {
   final (query, args) = _kanjiReadingTemplate(
     JMdictTableNames.kanjiElement,
     word,
+    fuzzyKana: fuzzyKana,
     countOnly: true,
   );
   return connection
@@ -172,10 +176,15 @@ Future<List<ScoredEntryId>> _queryKana(
       );
 }
 
-Future<int> _queryKanaCount(DatabaseExecutor connection, String word) {
+Future<int> _queryKanaCount(
+  DatabaseExecutor connection,
+  String word,
+  bool fuzzyKana,
+) {
   final (query, args) = _kanjiReadingTemplate(
     JMdictTableNames.readingElement,
     word,
+    fuzzyKana: fuzzyKana,
     countOnly: true,
   );
   return connection
@@ -297,6 +306,7 @@ Future<int?> fetchEntryIdCount(
   DatabaseExecutor connection,
   String word,
   SearchMode searchMode,
+  bool fuzzyKana,
 ) async {
   if (searchMode == SearchMode.auto) {
     searchMode = _determineSearchMode(word);
@@ -308,11 +318,11 @@ Future<int?> fetchEntryIdCount(
 
   switch (searchMode) {
     case SearchMode.kanji:
-      entryIdCount = await _queryKanjiCount(connection, word);
+      entryIdCount = await _queryKanjiCount(connection, word, fuzzyKana);
       break;
 
     case SearchMode.kana:
-      entryIdCount = await _queryKanaCount(connection, word);
+      entryIdCount = await _queryKanaCount(connection, word, fuzzyKana);
       break;
 
     case SearchMode.english:

lib/search/word_search/word_search.dart

@@ -84,6 +84,7 @@ Future<int?> searchWordCountWithDbConnection(
   DatabaseExecutor connection,
   String word, {
   SearchMode searchMode = SearchMode.auto,
+  bool fuzzyKana = true,
 }) async {
   if (word.isEmpty) {
     return null;
@@ -93,6 +94,7 @@ Future<int?> searchWordCountWithDbConnection(
     connection,
     word,
     searchMode,
+    fuzzyKana,
   );
 
   return entryIdCount;