import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:jiu_client/core/theme/themes.dart';
import 'package:jiu_client/widgets/searchable_option_field.dart';

void main() {
  Widget host({
    required ValueChanged<int?> onChanged,
    Future<int?> Function(String)? onCreate,
  }) {
    return MaterialApp(
      theme: buildTheme('a'),
      home: Scaffold(
        body: SearchableOptionField(
          options: [OptionItem(id: 1, name: '53度')],
          selectedId: null,
          hint: '选择系列',
          dialogTitle: '选择系列',
          onChanged: onChanged,
          onCreate: onCreate,
        ),
      ),
    );
  }

  testWidgets('搜不到时显示「新增到基础数据」入口', (tester) async {
    await tester.pumpWidget(host(onChanged: (_) {}, onCreate: (_) async => 99));
    // 打开搜索对话框
    await tester.tap(find.byType(SearchableOptionField));
    await tester.pumpAndSettle();
    // 输入不存在的关键字
    await tester.enterText(find.byType(TextField).first, '52度');
    await tester.pumpAndSettle();
    expect(find.textContaining('新增「52度」到基础数据'), findsOneWidget);
  });

  testWidgets('确认新增后回填选中新 id', (tester) async {
    int? selected;
    await tester.pumpWidget(
        host(onChanged: (v) => selected = v, onCreate: (_) async => 99));
    await tester.tap(find.byType(SearchableOptionField));
    await tester.pumpAndSettle();
    await tester.enterText(find.byType(TextField).first, '52度');
    await tester.pumpAndSettle();
    await tester.tap(find.textContaining('新增「52度」到基础数据'));
    await tester.pumpAndSettle();
    // 确认框
    await tester.tap(find.text('确认新增'));
    await tester.pumpAndSettle();
    expect(selected, 99);
  });

  testWidgets('未提供 onCreate 时不显示新增入口', (tester) async {
    await tester.pumpWidget(host(onChanged: (_) {}));
    await tester.tap(find.byType(SearchableOptionField));
    await tester.pumpAndSettle();
    await tester.enterText(find.byType(TextField).first, '52度');
    await tester.pumpAndSettle();
    expect(find.textContaining('新增'), findsNothing);
  });
}