import 'package:doormile_cx/data/location_service.dart';
import 'package:doormile_cx/main.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';

/// Drives the real app on the simulator all the way through a booking, then
/// holds on the confirmation so it can be photographed from outside.
///
/// Run against the dev data, which is where any 4-digit code signs in and the
/// serviceability / slots / booking all exist without a server:
///
///     flutter test integration_test/book_one_test.dart \
///       -d <simulator> --dart-define=DM_MOCK=true
void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();

  testWidgets('books a pickup to Chennai and lands on the confirmation',
      (tester) async {
    // Deterministic pin, so the pickup step never stops on an OS location
    // dialog and resolves the same way every run.
    LocationService.instance = FixedLocationService();

    await tester.pumpWidget(const DoormileApp());
    await tester.pumpAndSettle(const Duration(milliseconds: 400));

    // The app runs continuous animations, so pumpAndSettle would spin forever.
    // Pump fixed slices instead.
    Future<void> hold([int ms = 900]) async {
      await tester.pump();
      await tester.pump(Duration(milliseconds: ms));
      await tester.pump(const Duration(milliseconds: 400));
    }

    // ---- sign in: 9876543210 + any 4-digit code ----------------------------
    await tester.enterText(find.byType(TextField).first, '9876543210');
    await hold(300);
    await tester.tap(find.text('Continue'));
    await hold();

    final boxes = find.byType(TextField);
    for (var i = 0; i < 4; i++) {
      await tester.enterText(boxes.at(i), '1');
      await tester.pump();
    }
    await hold(1200);
    expect(find.text('Where should we pick up?'), findsOneWidget);
    debugPrint('DRIVER: signed in, on Home');

    // ---- BOOK → confirm the pin -----------------------------------
    await tester.tap(find.text('BOOK'));
    await hold(1200);
    await tester.tap(find.text('Next'));
    await hold();
    expect(find.text('Where are you sending it?'), findsOneWidget);

    // ---- destination: Tamil Nadu ▸ Chennai ---------------------------------
    await tester.tap(find.text('Tamil Nadu'));
    await hold();
    await tester.tap(find.text('Chennai'));
    await hold();
    expect(find.text('Chennai, Tamil Nadu'), findsOneWidget);
    await tester.tap(find.text('Next'));
    await hold();

    // ---- pickup window -----------------------------------------------------
    expect(find.text('When should we come?'), findsOneWidget);
    await tester.tap(find.text('2:00 – 4:00 PM').first);
    await hold();
    await tester.tap(find.text('Review booking'));
    await hold(1200);

    // ---- review → book -----------------------------------------------------
    expect(find.text('Review pickup details'), findsOneWidget);
    debugPrint('DRIVER: on review');
    await tester.tap(find.text('Book Pickup'));
    await hold(1600);

    // ---- confirmation ------------------------------------------------------
    expect(find.text('Pickup booked'), findsOneWidget);
    debugPrint('DRIVER: BOOKED — holding on confirmation');

    // Hold so the confirmation can be photographed from outside the test.
    for (var i = 0; i < 50; i++) {
      await tester.pump(const Duration(milliseconds: 500));
    }
  });
}