cli/query_word: allow querying with jmdict id

lib/cli/commands/query_word.dart

@@ -5,26 +5,24 @@ import 'package:jadb/cli/args.dart';
 import 'package:jadb/search.dart';
 
 import 'package:args/command_runner.dart';
+import 'package:sqflite_common/sqflite.dart';
 
 class QueryWord extends Command {
   final name = "query-word";
   final description = "Query the database for word data";
+  final invocation = "jadb query-word [options] (<word> | <ID>)";
 
   QueryWord() {
     addLibsqliteArg(argParser);
     addJadbArg(argParser);
-    argParser.addOption(
-      'word',
-      abbr: 'w',
-      help: 'The word to search for.',
-      valueHelp: 'WORD',
-    );
   }
 
   Future<void> run() async {
     if (argResults!.option('libsqlite') == null ||
         argResults!.option('jadb') == null) {
-      print(argParser.usage);
+      print("You need to provide both libsqlite and jadb paths.");
+      print('');
+      printUsage();
       exit(64);
     }
 
@@ -33,8 +31,38 @@ class QueryWord extends Command {
       libsqlitePath: argResults!.option('libsqlite')!,
     );
 
-    final String searchWord = argResults!.option('word') ?? 'かな';
+    if (argResults!.rest.isEmpty) {
+      print('You need to provide a word or ID to search for.');
+      print('');
+      printUsage();
+      exit(64);
+    }
 
+    final String searchWord = argResults!.rest.join(" ");
+    final int? maybeId = int.tryParse(searchWord);
+
+    if (maybeId != null && maybeId >= 1000000) {
+      await _searchId(db, maybeId);
+    } else {
+      await _searchWord(db, searchWord);
+    }
+  }
+
+  Future<void> _searchId(DatabaseExecutor db, int id) async {
+    final time = Stopwatch()..start();
+    final result = await JaDBConnection(db).jadbGetWordById(id);
+    time.stop();
+
+    if (result == null) {
+      print("Invalid ID");
+    } else {
+      print(result.toString());
+    }
+
+    print("Query took ${time.elapsedMilliseconds}ms");
+  }
+
+  Future<void> _searchWord(DatabaseExecutor db, String searchWord) async {
     final time = Stopwatch()..start();
     final count = await JaDBConnection(db).jadbSearchWordCount(searchWord);
     time.stop();