import 'package:fintracker_api/fintracker_api.dart';
import 'package:fintracker_app/core/widgets/money_text.dart';
import 'package:fintracker_app/features/home/scope_cards.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';

ScopeCardOut _card({
  String scope = 'portfolio:1',
  String name = 'ИИСы',
  String kind = 'portfolio',
  String total = '224608.65',
  String? pnl = '6643.47',
  String? pnlPct = '0.015',
  String? day = '-265.68',
  String? dayPct = '-0.001',
  String? xirr = '0.0298',
  String income = '17387.49',
  String? incomePct = '0.043',
}) => ScopeCardOut(
  scope: scope,
  name: name,
  kind: kind,
  asOf: DateTime(2026, 9, 19),
  totalRub: total,
  investedRub: '200000',
  pnlRub: pnl,
  pnlPct: pnlPct,
  dayChangeRub: day,
  dayChangePct: dayPct,
  xirr: xirr,
  incomeYearRub: income,
  incomeYearPct: incomePct,
);

Widget _app(List<ScopeCardOut> cards, {double width = 1200}) => ProviderScope(
  child: MaterialApp(
    home: MediaQuery(
      data: MediaQueryData(size: Size(width, 900)),
      child: Scaffold(
        body: SingleChildScrollView(child: ScopeCards(cards: cards)),
      ),
    ),
  ),
);

void main() {
  testWidgets('a card shows the name, the value and the four figures', (
    tester,
  ) async {
    await tester.pumpWidget(_app([_card()]));

    expect(find.text('ИИСЫ'), findsOneWidget);
    expect(find.text(MoneyText.format('224608.65', 'RUB')), findsOneWidget);
    for (final label in [
      'Прибыль',
      'За день',
      'Доходность',
      'Пассивный доход',
    ]) {
      expect(find.text(label), findsOneWidget, reason: label);
    }
    // the gain carries an explicit plus, the loss its own minus
    expect(find.text('+${MoneyText.format('6643.47', 'RUB')}'), findsOneWidget);
    expect(find.text(MoneyText.format('-265.68', 'RUB')), findsOneWidget);
    expect(find.text('2,98 %'), findsOneWidget);
    expect(
      find.textContaining(MoneyText.format('17387.49', 'RUB')),
      findsOneWidget,
    );
  });

  testWidgets('missing figures read as a dash, not as zero', (tester) async {
    await tester.pumpWidget(
      _app([
        _card(
          pnl: null,
          pnlPct: null,
          day: null,
          dayPct: null,
          xirr: null,
          income: '0',
          incomePct: null,
        ),
      ]),
    );

    expect(find.text('—'), findsNWidgets(4));
  });

  testWidgets('cards flow into columns by the available width', (tester) async {
    final cards = [
      for (var i = 0; i < 6; i++) _card(scope: 'account:$i', name: 'Счёт $i'),
    ];
    addTearDown(tester.view.reset);

    Future<int> columns(double width) async {
      tester.view.physicalSize = Size(width, 900);
      tester.view.devicePixelRatio = 1;
      await tester.pumpWidget(_app(cards, width: width));
      final xs = {
        for (final c in cards)
          tester.getTopLeft(find.text('СЧЁТ ${cards.indexOf(c)}')).dx.round(),
      };
      return xs.length;
    }

    expect(await columns(1200), 3);
    expect(await columns(800), 2);
    expect(await columns(400), 1);
  });
}