import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:timezone/data/latest.dart' as tzdata;
import 'package:webview_flutter_platform_interface/webview_flutter_platform_interface.dart';
import 'package:hepan_everyday/app/hepan_app.dart';
import 'package:hepan_everyday/domain/school_term.dart';
import 'package:hepan_everyday/features/school/school_session.dart';

import '../support/fake_school_web.dart';
import 'navigation_test.dart' show uiController;

void main() {
  setUpAll(tzdata.initializeTimeZones);

  testWidgets('cancelling school selection never starts authentication', (
    tester,
  ) async {
    WebViewPlatform.instance = FakeSchoolPlatform();
    final session = SchoolSession();
    final controller = uiController();
    await controller.initialize();
    addTearDown(session.dispose);
    addTearDown(controller.dispose);
    await tester.pumpWidget(
      HepanApp(
        controller: controller,
        school: session,
        schoolBuilder: () => const Scaffold(body: Text('学校认证页面')),
      ),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.bySemanticsLabel('个人设置'));
    await tester.pumpAndSettle();
    await tester.tap(find.widgetWithText(FilledButton, '选择学校'));
    await tester.pumpAndSettle();
    expect(find.text('电子科技大学（研究生）'), findsOneWidget);
    expect(session.hasOpened, isFalse);
    expect(find.text('学校认证页面'), findsNothing);
    await tester.tap(find.byType(BackButton));
    await tester.pumpAndSettle();
    expect(session.hasOpened, isFalse);
    expect(find.widgetWithText(FilledButton, '选择学校'), findsOneWidget);
    expect(controller.snapshot.courses, isEmpty);
  });

  testWidgets('selecting UESTC graduate enters its existing authentication', (
    tester,
  ) async {
    final platform = FakeSchoolPlatform();
    WebViewPlatform.instance = platform;
    final session = SchoolSession();
    final controller = uiController();
    await controller.initialize();
    addTearDown(session.dispose);
    addTearDown(controller.dispose);
    await tester.pumpWidget(
      HepanApp(
        controller: controller,
        school: session,
        schoolBuilder: () => const Scaffold(body: Text('学校认证页面')),
      ),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.bySemanticsLabel('个人设置'));
    await tester.pumpAndSettle();
    await tester.tap(find.widgetWithText(FilledButton, '选择学校'));
    await tester.pumpAndSettle();
    expect(session.hasOpened, isFalse);
    await tester.tap(find.text('电子科技大学（研究生）'));
    await tester.pumpAndSettle();
    expect(find.text('学校认证页面'), findsOneWidget);
    expect(session.hasOpened, isTrue);
    expect(platform.web.loads, ['https://yjsjy.uestc.edu.cn/pyxx/jzsso/login']);
    Navigator.pop(tester.element(find.text('学校认证页面')));
    await tester.pumpAndSettle();
    expect(find.textContaining('电子科技大学（研究生）'), findsOneWidget);
  });

  testWidgets('first exam sync selects school before opening exam workflow', (
    tester,
  ) async {
    WebViewPlatform.instance = FakeSchoolPlatform();
    final session = SchoolSession();
    final controller = uiController();
    await controller.initialize();
    addTearDown(session.dispose);
    addTearDown(controller.dispose);
    await tester.pumpWidget(
      HepanApp(
        controller: controller,
        school: session,
        schoolBuilder: () => const Scaffold(body: Text('学校认证页面')),
      ),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.bySemanticsLabel('考试'));
    await tester.pumpAndSettle();
    await tester.tap(find.byTooltip('从学校更新考试'));
    await tester.pumpAndSettle();
    expect(find.text('电子科技大学（研究生）'), findsOneWidget);
    expect(session.hasOpened, isFalse);
    await tester.tap(find.text('电子科技大学（研究生）'));
    await tester.pumpAndSettle();
    expect(session.requestingExams, isTrue);
    expect(find.text('学校认证页面'), findsOneWidget);
  });

  testWidgets('connected refresh keeps the school and imported semester', (
    tester,
  ) async {
    final platform = FakeSchoolPlatform();
    WebViewPlatform.instance = platform;
    final session = SchoolSession();
    await session.openTimetable(term: SchoolTerm(72));
    session.connectionState = SchoolConnectionState.connected;
    final controller = uiController();
    await controller.initialize();
    controller.snapshot = controller.snapshot.copyWith(
      schoolTerm: SchoolTerm(72),
    );
    addTearDown(session.dispose);
    addTearDown(controller.dispose);
    await tester.pumpWidget(
      HepanApp(
        controller: controller,
        school: session,
        schoolBuilder: () => const Scaffold(body: Text('学校认证页面')),
      ),
    );
    await tester.pumpAndSettle();
    await tester.tap(find.byTooltip('刷新课表'));
    await tester.pumpAndSettle();
    expect(find.text('学校认证页面'), findsOneWidget);
    expect(find.text('电子科技大学（研究生）'), findsNothing);
    expect(
      platform.web.loads.last,
      'https://yjsjy.uestc.edu.cn/pyxx/pygl/xskbcx/index/72',
    );
    expect(session.selectedTerm, SchoolTerm(72));
    session.setReadingActive(false);
  });
}