// Author: fruit.com.cn
// 验证个人数据图标、无障碍入口与多语言窄屏布局。

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/theme/app_dimens.dart';
import 'package:fruitshorts/core/theme/app_theme.dart';
import 'package:fruitshorts/l10n/app_localizations.dart';
import 'package:fruitshorts/pages/mine/widgets/mine_stat_icon.dart';
import 'package:fruitshorts/pages/mine/widgets/mine_stats_panel.dart';

const _coinsKey = Key('mine-stat-coins');
const _historyKey = Key('mine-stat-watch-records');
const _favoritesKey = Key('mine-stat-favorites');
const _locales = [Locale('zh'), Locale('en'), Locale('id')];
const _widths = [320.0, 390.0];
const _scales = [1.0, 2.0];
const _screenHeight = 600.0;
const _largeBalance = 123456789;
const _historyTotal = 57;
const _favoritesTotal = 23;

void main() {
  _responsiveTests();
  _interactionTests();
}

void _responsiveTests() {
  for (final locale in _locales) {
    for (final width in _widths) {
      for (final scale in _scales) {
        testWidgets(
          'should_fit_three_columns_when_${locale.languageCode}_${width}_scale_$scale',
          (tester) async {
            await _pumpPanel(
              tester,
              locale: locale,
              width: width,
              scale: scale,
            );

            final cells = [_coinsKey, _historyKey, _favoritesKey];
            final positions = cells
                .map((key) => tester.getTopLeft(find.byKey(key)))
                .toList();
            expect(positions.map((point) => point.dy).toSet(), hasLength(1));
            expect(positions.map((point) => point.dx).toSet(), hasLength(3));
            for (final key in cells) {
              final size = tester.getSize(find.byKey(key));
              expect(size.width, greaterThanOrEqualTo(AppDimens.tapTarget));
              expect(size.height, greaterThanOrEqualTo(AppDimens.tapTarget));
            }
            expect(tester.takeException(), isNull);
          },
        );
      }
    }
  }
}

void _interactionTests() {
  testWidgets(
    'should_render_distinct_vector_icons_when_statistics_are_visible',
    (tester) async {
      await _pumpPanel(tester);

      final icons = tester.widgetList<MineStatIcon>(find.byType(MineStatIcon));
      expect(icons.map((icon) => icon.type), MineStatIconType.values);
      for (final icon in icons) {
        expect(
          tester.getSize(find.byKey(icon.key!)),
          const Size.square(AppDimens.mineStatsIcon),
        );
      }
    },
  );

  testWidgets('should_forward_each_action_once_when_statistics_are_tapped', (
    tester,
  ) async {
    final opened = <MineStatIconType>[];
    await _pumpPanel(
      tester,
      actions: MineStatsActions(
        onWallet: () => opened.add(MineStatIconType.coins),
        onHistory: () => opened.add(MineStatIconType.history),
        onFavorites: () => opened.add(MineStatIconType.favorites),
      ),
    );

    for (final key in [_coinsKey, _historyKey, _favoritesKey]) {
      await tester.tap(find.byKey(key));
      await tester.pump();
    }
    expect(opened, MineStatIconType.values);
  });

  testWidgets(
    'should_announce_label_value_and_action_when_using_screen_reader',
    (tester) async {
      await _pumpPanel(tester);
      final semantics = tester.ensureSemantics();
      final coinSemantics = find.byWidgetPredicate(
        (widget) =>
            widget is Semantics && widget.properties.label == 'Coin balance',
      );

      try {
        expect(
          tester.getSemantics(coinSemantics),
          matchesSemantics(
            label: 'Coin balance',
            value: '123,456,789',
            isButton: true,
            hasTapAction: true,
          ),
        );
      } finally {
        semantics.dispose();
      }
    },
  );
}

Future<void> _pumpPanel(
  WidgetTester tester, {
  Locale locale = const Locale('en'),
  double width = 390,
  double scale = 1,
  MineStatsActions? actions,
}) async {
  tester.view.physicalSize = Size(width, _screenHeight);
  tester.view.devicePixelRatio = 1;
  addTearDown(tester.view.resetPhysicalSize);
  addTearDown(tester.view.resetDevicePixelRatio);
  await tester.pumpWidget(
    MaterialApp(
      theme: AppTheme.dark(),
      locale: locale,
      supportedLocales: AppLocalizations.supportedLocales,
      localizationsDelegates: AppLocalizations.localizationsDelegates,
      builder: (context, child) => MediaQuery(
        data: MediaQuery.of(
          context,
        ).copyWith(textScaler: TextScaler.linear(scale)),
        child: child!,
      ),
      home: Scaffold(
        body: Padding(
          padding: const EdgeInsets.all(AppDimens.pageHorizontal),
          child: MineStatsPanel(
            coinBalance: _largeBalance,
            watchRecordCount: _historyTotal,
            favoriteCount: _favoritesTotal,
            actions:
                actions ??
                MineStatsActions(
                  onWallet: () {},
                  onHistory: () {},
                  onFavorites: () {},
                ),
          ),
        ),
      ),
    ),
  );
  await tester.pumpAndSettle();
}