// Author: fruit.com.cn

import 'dart:math' as math;

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/theme/app_colors.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/mine_types.dart';
import 'package:fruitshorts/pages/mine/widgets/mine_action_grid.dart';
import 'package:fruitshorts/pages/mine/widgets/mine_menu.dart';

const _layoutTolerance = 0.1;
const _minimumVipHeight = 110.0;
const _premiumVipHeightLimit = 150.0;

void main() {
  testWidgets('should_keep_equal_visible_vip_padding_and_reduce_height', (
    tester,
  ) async {
    await _pumpLocalized(
      tester,
      const SizedBox(width: 342, child: MineVipBanner(onOpen: _noop)),
    );

    final cardRect = tester.getRect(find.byKey(const Key('mine-vip')));
    final emblemRect = tester.getRect(find.byKey(const Key('mine-vip-emblem')));
    final emblem = tester.widget<Image>(
      find.byKey(const Key('mine-vip-emblem')),
    );
    expect(
      (emblem.image as AssetImage).assetName,
      'assets/icon/vip_membership_badge.png',
    );
    final titleRect = tester.getRect(find.text('VIP'));
    final benefitsRect = tester.getRect(
      find.byKey(const Key('mine-vip-benefits')),
    );
    expect(cardRect.height, lessThan(_premiumVipHeightLimit));
    expect(cardRect.height, greaterThanOrEqualTo(_minimumVipHeight));
    expect(
      emblemRect.top - cardRect.top,
      greaterThanOrEqualTo(AppDimens.mineVipPadding),
    );
    expect(benefitsRect.bottom, lessThan(cardRect.bottom));
    expect(emblemRect.left, greaterThan(titleRect.right));
    final first = tester.getRect(find.byKey(const Key('mine-vip-benefit-0')));
    final second = tester.getRect(find.byKey(const Key('mine-vip-benefit-1')));
    final third = tester.getRect(find.byKey(const Key('mine-vip-benefit-2')));
    expect(first.top, second.top);
    expect(third.top, greaterThan(first.top));
  });

  for (final localeTag in ['en', 'id']) {
    testWidgets(
      'should_center_visible_grid_content_when_locale_is_$localeTag',
      (tester) async {
        await _pumpLocalized(
          tester,
          const MineActionGrid(
            primaryActions: MinePrimaryActions(
              onWallet: _noop,
              onFavorites: _noop,
              onDownloads: _noop,
              onHistory: _noop,
            ),
            serviceActions: MineServiceActions(
              onOpen: _ignoreDestination,
              onLanguage: _noop,
            ),
          ),
          locale: Locale(localeTag),
        );

        for (final action in _actions) {
          _expectVisibleContentCentered(tester, action);
        }
      },
    );
  }

  testWidgets('should_use_subtle_dividers_when_rendering_grid', (tester) async {
    await _pumpLocalized(
      tester,
      const MineActionGrid(
        primaryActions: MinePrimaryActions(
          onWallet: _noop,
          onFavorites: _noop,
          onDownloads: _noop,
          onHistory: _noop,
        ),
        serviceActions: MineServiceActions(
          onOpen: _ignoreDestination,
          onLanguage: _noop,
        ),
      ),
    );

    final dividers = find.descendant(
      of: find.byKey(const Key('mine-menu')),
      matching: find.byWidgetPredicate(
        (widget) =>
            widget is Container && widget.color == AppColors.mineGridDivider,
      ),
    );
    expect(dividers, findsNWidgets(7));
    expect(AppColors.mineGridDivider, const Color(0x10FFFFFF));
  });
}

const _actions = [
  (Key('mine-wallet'), Key('mine-wallet-icon-surface')),
  (Key('mine-favorites'), Key('mine-favorites-icon-surface')),
  (Key('mine-downloads'), Key('mine-downloads-icon-surface')),
  (Key('mine-history'), Key('mine-history-icon-surface')),
  (Key('mine-help'), Key('mine-help-icon-surface')),
  (Key('mine-language'), Key('mine-language-icon-surface')),
  (Key('mine-settings'), Key('mine-settings-icon-surface')),
  (Key('mine-notices'), Key('mine-notices-icon-surface')),
];

void _expectVisibleContentCentered(WidgetTester tester, (Key, Key) action) {
  final cellRect = tester.getRect(find.byKey(action.$1));
  final iconRect = tester.getRect(find.byKey(action.$2));
  final labelRect = tester.getRect(
    find.descendant(of: find.byKey(action.$1), matching: find.byType(Text)),
  );
  final visibleRect = Rect.fromLTRB(
    math.min(iconRect.left, labelRect.left),
    iconRect.top,
    math.max(iconRect.right, labelRect.right),
    labelRect.bottom,
  );
  expect(visibleRect.center.dx, closeTo(cellRect.center.dx, _layoutTolerance));
  expect(visibleRect.center.dy, closeTo(cellRect.center.dy, _layoutTolerance));
}

Future<void> _pumpLocalized(
  WidgetTester tester,
  Widget child, {
  Locale locale = const Locale('en'),
}) async {
  tester.view.physicalSize = const Size(390, 900);
  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,
      home: Scaffold(
        body: Center(
          child: SingleChildScrollView(
            padding: const EdgeInsets.all(AppDimens.pageHorizontal),
            child: child,
          ),
        ),
      ),
    ),
  );
  await tester.pumpAndSettle();
}

void _noop() {}

void _ignoreDestination(MineDestination _) {}