import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:motorcycle_dash/features/replay/replay_screen.dart';
import 'package:motorcycle_dash/database/database.dart';
import 'package:drift/native.dart';
import 'package:drift/drift.dart' as drift;

class _TestHttpOverrides extends HttpOverrides {
  @override
  HttpClient createHttpClient(SecurityContext? context) => _MockHttpClient();
}

class _MockHttpHeaders extends Fake implements HttpHeaders {
  @override
  void add(String name, Object value, {bool preserveHeaderCase = false}) {}
  @override
  void set(String name, Object value, {bool preserveHeaderCase = false}) {}
}

class _MockHttpClient extends Fake implements HttpClient {
  @override
  Future<HttpClientRequest> getUrl(Uri url) async => _MockHttpRequest();

  @override
  Future<HttpClientRequest> openUrl(String method, Uri url) async => _MockHttpRequest();

  @override
  void close({bool force = false}) {}
}

class _MockHttpRequest extends Fake implements HttpClientRequest {
  @override
  final HttpHeaders headers = _MockHttpHeaders();

  @override
  bool followRedirects = true;

  @override
  int maxRedirects = 5;

  @override
  int contentLength = -1;

  @override
  Future<HttpClientResponse> close() async => _MockHttpResponse();
}

class _MockHttpResponse extends Fake implements HttpClientResponse {
  @override
  int get statusCode => 200;
  @override
  int get contentLength => _transparent1x1Png.length;
  @override
  HttpClientResponseCompressionState get compressionState =>
      HttpClientResponseCompressionState.notCompressed;
  @override
  StreamSubscription<List<int>> listen(
    void Function(List<int> event)? onData, {
    Function? onError,
    void Function()? onDone,
    bool? cancelOnError,
  }) {
    return Stream<List<int>>.value(_transparent1x1Png).listen(
      onData,
      onError: onError,
      onDone: onDone,
      cancelOnError: cancelOnError,
    );
  }
}

final _transparent1x1Png = <int>[
  0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x0D,
  0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
  0x08, 0x06, 0x00, 0x00, 0x00, 0x1F, 0x15, 0xC4, 0x89, 0x00, 0x00, 0x00,
  0x0A, 0x49, 0x44, 0x41, 0x54, 0x78, 0x9C, 0x63, 0x00, 0x01, 0x00, 0x00,
  0x05, 0x00, 0x01, 0x0D, 0x0A, 0x2D, 0xB4, 0x00, 0x00, 0x00, 0x00, 0x49,
  0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82,
];

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  late AppDatabase db;

  setUp(() async {
    HttpOverrides.global = _TestHttpOverrides();
    db = AppDatabase.forTesting(NativeDatabase.memory());
    // Insert a test ride and telemetry samples
    await db.into(db.rides).insert(
      RidesCompanion.insert(
        id: const drift.Value(1),
        startTime: DateTime.now(),
        distanceMiles: const drift.Value(10.0),
        topSpeedMph: const drift.Value(60.0),
        movingTime: const drift.Value(600),
        stoppedTime: const drift.Value(60),
      ),
    );

    for (int i = 0; i < 20; i++) {
      await db.into(db.telemetrySamples).insert(
        TelemetrySamplesCompanion.insert(
          rideId: 1,
          timestamp: DateTime.now().add(Duration(seconds: i)),
          latitude: drift.Value(34.0 + (i * 0.001)),
          longitude: drift.Value(-84.0 + (i * 0.001)),
          speed: drift.Value(20.0 + (i * 2.0)),
          leanAngle: drift.Value(i < 10 ? 10.0 : 25.0),
        ),
      );
    }
  });

  tearDown(() async {
    HttpOverrides.global = null;
    await db.close();
  });

  testWidgets('ReplayScreen corner apex header renders without overflow on 320px screen', (tester) async {
    tester.view.physicalSize = const Size(320, 800);
    tester.view.devicePixelRatio = 1.0;
    addTearDown(() => tester.view.resetPhysicalSize());

    await tester.pumpWidget(
      ProviderScope(
        overrides: [
          databaseProvider.overrideWithValue(db),
        ],
        child: const MaterialApp(
          home: Scaffold(
            body: ReplayScreen(rideId: 1),
          ),
        ),
      ),
    );

    await tester.pumpAndSettle();
    expect(tester.takeException(), isNull);
    expect(find.text('CORNER APEX BREAKDOWN & GRADING'), findsOneWidget);
  });

  testWidgets('ReplayScreen corner apex header renders without overflow on 412px Pixel screen', (tester) async {
    tester.view.physicalSize = const Size(412, 915);
    tester.view.devicePixelRatio = 1.0;
    addTearDown(() => tester.view.resetPhysicalSize());

    await tester.pumpWidget(
      ProviderScope(
        overrides: [
          databaseProvider.overrideWithValue(db),
        ],
        child: const MaterialApp(
          home: Scaffold(
            body: ReplayScreen(rideId: 1),
          ),
        ),
      ),
    );

    await tester.pumpAndSettle();
    expect(tester.takeException(), isNull);
    expect(find.text('CORNER APEX BREAKDOWN & GRADING'), findsOneWidget);
  });

  testWidgets('BUG-014 (#61): ReplayScreen renders responsive horizontal split in 800x360 landscape without overflow', (tester) async {
    tester.view.physicalSize = const Size(800, 360);
    tester.view.devicePixelRatio = 1.0;
    addTearDown(() => tester.view.resetPhysicalSize());

    await tester.pumpWidget(
      ProviderScope(
        overrides: [
          databaseProvider.overrideWithValue(db),
        ],
        child: const MaterialApp(
          home: Scaffold(
            body: ReplayScreen(rideId: 1),
          ),
        ),
      ),
    );

    await tester.pumpAndSettle();
    expect(tester.takeException(), isNull);

    // Verifies both map and breakdown table are rendered concurrently in viewport
    expect(find.text('CORNER APEX BREAKDOWN & GRADING'), findsOneWidget);
    expect(find.text('SPEED'), findsOneWidget);
    expect(find.text('LEAN'), findsOneWidget);
    expect(find.text('G'), findsOneWidget);
    expect(find.byType(Slider), findsOneWidget);
    expect(find.byType(Row), findsWidgets);

    await tester.pumpWidget(const SizedBox());
    await tester.pump(const Duration(milliseconds: 100));
  });

  testWidgets('BUG-014 (#61): ReplayScreen renders without overflow on 640x320 compact landscape', (tester) async {
    tester.view.physicalSize = const Size(640, 320);
    tester.view.devicePixelRatio = 1.0;
    addTearDown(() => tester.view.resetPhysicalSize());

    await tester.pumpWidget(
      ProviderScope(
        overrides: [
          databaseProvider.overrideWithValue(db),
        ],
        child: const MaterialApp(
          home: Scaffold(
            body: ReplayScreen(rideId: 1),
          ),
        ),
      ),
    );

    await tester.pumpAndSettle();
    expect(tester.takeException(), isNull);
    expect(find.text('CORNER APEX BREAKDOWN & GRADING'), findsOneWidget);

    await tester.pumpWidget(const SizedBox());
    await tester.pump(const Duration(milliseconds: 100));
  });
}