import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:votianlt_app/app_theme.dart';
import 'package:votianlt_app/cargo_items_view.dart';
import 'package:votianlt_app/jobs_view.dart';
import 'package:votianlt_app/models/job.dart';
import 'package:votianlt_app/models/job_progress.dart';
import 'package:votianlt_app/task_view.dart';

Job jobWithOptionalTask({
  bool closedStation = true,
  String status = 'IN_PROGRESS',
}) => Job.fromJson({
  'id': 'job-1',
  'jobNumber': 'TEST-1',
  'status': status,
  'completedStationOrders': closedStation ? [0] : [],
  'deliveryStations': [
    {
      'stationOrder': 0,
      'tasks': [
        {
          'id': 'optional',
          'jobId': 'job-1',
          'optional': true,
          'completed': false,
          'description': 'Optionale Bestätigung',
          'taskOrder': 0,
          'taskSpecificData': {
            'taskType': 'CONFIRMATION',
            'buttonText': 'Jetzt bestätigen',
          },
        },
      ],
    },
    {'stationOrder': 1, 'tasks': []},
  ],
});

void main() {
  for (final status in ['IN_PROGRESS', 'COMPLETED']) {
    testWidgets(
      'optional task cannot open a dialog after station closure ($status)',
      (tester) async {
        final job = jobWithOptionalTask(status: status);
        await tester.pumpWidget(
          MaterialApp(home: TaskView(job: job, stationOrder: 0)),
        );
        await tester.pump();
        final task = find.text('Optionale Bestätigung');
        expect(task, findsOneWidget);
        final tile = tester.widget<InkWell>(
          find.ancestor(of: task, matching: find.byType(InkWell)).first,
        );
        expect(tile.onTap, isNull);
        await tester.tap(task);
        await tester.pump();
        expect(find.byType(AlertDialog), findsNothing);
        expect(find.text('Station abgeschlossen'), findsOneWidget);
        await tester.pumpWidget(const SizedBox.shrink());
      },
    );
  }

  testWidgets('optional task remains executable at an open station', (
    tester,
  ) async {
    await tester.pumpWidget(
      MaterialApp(
        home: TaskView(
          job: jobWithOptionalTask(closedStation: false),
          stationOrder: 0,
        ),
      ),
    );
    await tester.pump();
    await tester.tap(find.text('Optionale Bestätigung'));
    await tester.pump();
    expect(find.byType(AlertDialog), findsOneWidget);
    expect(find.text('Jetzt bestätigen'), findsOneWidget);
    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets(
    'an already open dialog cannot complete a task after the job closes',
    (tester) async {
      Widget view(Job job) => MaterialApp(
        home: TaskView(
          key: const ValueKey('task-view'),
          job: job,
          stationOrder: 0,
        ),
      );
      await tester.pumpWidget(view(jobWithOptionalTask(closedStation: false)));
      await tester.pump();
      await tester.tap(find.text('Optionale Bestätigung'));
      await tester.pump();
      expect(find.byType(AlertDialog), findsOneWidget);

      await tester.pumpWidget(view(jobWithOptionalTask(status: 'COMPLETED')));
      await tester.pump();
      await tester.tap(find.text('Jetzt bestätigen'));
      await tester.pumpAndSettle();

      expect(find.byType(AlertDialog), findsNothing);
      final taskCard = tester.widget<Card>(
        find
            .ancestor(
              of: find.text('Optionale Bestätigung'),
              matching: find.byType(Card),
            )
            .first,
      );
      expect(
        taskCard.elevation,
        0,
      ); // still open and locked, never marked completed
      expect(find.text('Station abgeschlossen'), findsOneWidget);
      await tester.pumpWidget(const SizedBox.shrink());
    },
  );

  test('completed job card is green with optional tasks still open', () {
    final job = jobWithOptionalTask(status: 'COMPLETED');
    expect(jobCardBackgroundColor(JobProgress(job)), AppColors.successSoft);
    expect(job.tasks.single.completed, isFalse);
  });

  test('offline final station completion makes the job card green', () {
    final job = jobWithOptionalTask();
    expect(
      jobCardBackgroundColor(JobProgress(job, localCompletedStations: {1})),
      AppColors.successSoft,
    );
    expect(jobCardBackgroundColor(JobProgress(job)), AppColors.warningSoft);
    expect(
      deliveryStationCardBackgroundColor(
        job.deliveryStations.first,
        {},
        isClosed: true,
      ),
      AppColors.successSoft,
    );
  });
}