import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:muzzle_velocity/note_list.dart';
import 'package:path_provider_platform_interface/path_provider_platform_interface.dart';
import 'package:plugin_platform_interface/plugin_platform_interface.dart';
import 'package:shared_preferences/shared_preferences.dart';

class _FakePathProvider extends PathProviderPlatform
    with MockPlatformInterfaceMixin {
  _FakePathProvider(this.path);
  final String path;

  @override
  Future<String?> getApplicationDocumentsPath() async => path;
}

/// Creates a temporary notes folder with [files] (relative path to content)
/// and makes it the app's default notes directory.
Directory setUpNotes(Map<String, String> files) {
  final notes = Directory.systemTemp.createTempSync('mv-list');
  files.forEach((name, content) {
    File('${notes.path}/$name')
      ..createSync(recursive: true)
      ..writeAsStringSync(content);
  });
  PathProviderPlatform.instance = _FakePathProvider(notes.path);
  SharedPreferences.setMockInitialValues({'initialized': true});
  return notes;
}

/// Pumps the note list, letting its real file I/O finish.
Future<void> pumpList(
  WidgetTester tester, {
  void Function(bool)? toggleTheme,
  VoidCallback? toggleTags,
}) async {
  await tester.runAsync(() async {
    await tester.pumpWidget(MaterialApp(
      home: NoteListScreen(
        toggleTheme: toggleTheme ?? (_) {},
        toggleTags: toggleTags ?? () {},
        isDarkMode: false,
        showTags: true,
      ),
    ));
    await Future<void>.delayed(const Duration(milliseconds: 200));
  });
  await tester.pumpAndSettle();
}

/// Titles of the notes currently listed.
List<String> listedNotes(WidgetTester tester) => [
      for (final tile in tester.widgetList<ListTile>(find.byType(ListTile)))
        (tile.title as Text).data!,
    ];