import 'dart:convert';
import 'dart:io';

import 'package:args/command_runner.dart';
import 'package:jadb/_data_ingestion/open_local_db.dart';
import 'package:jadb/cli/args.dart';
import 'package:jadb/search.dart';

class QueryKanji extends Command {
  @override
  final name = 'query-kanji';
  @override
  final description = 'Query the database for kanji data';
  @override
  final invocation = 'jadb query-kanji [options] <kanji>';

  QueryKanji() {
    addLibsqliteArg(argParser);
    addJadbArg(argParser);
  }

  @override
  Future<void> run() async {
    if (argResults!.option('libsqlite') == null ||
        argResults!.option('jadb') == null) {
      print(argParser.usage);
      exit(64);
    }

    final db = await openLocalDb(
      jadbPath: argResults!.option('jadb')!,
      libsqlitePath: argResults!.option('libsqlite')!,
    );

    if (argResults!.rest.length != 1) {
      print('You need to provide exactly one kanji character to search for.');
      print('');
      printUsage();
      exit(64);
    }

    final String kanji = argResults!.rest.first.trim();

    final time = Stopwatch()..start();
    final result = await JaDBConnection(db).jadbSearchKanji(kanji);
    time.stop();

    if (result == null) {
      print('No such kanji');
    } else {
      print(JsonEncoder.withIndent('  ').convert(result.toJson()));
    }

    print('Query took ${time.elapsedMilliseconds}ms');
  }
}