import 'dart:convert';

import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:miler/Models/stop_status.dart';
import 'package:miler/data/accepted_store.dart';
import 'package:miler/data/service_profile.dart';

/// ─────────────────────────────────────────────────────────────────────────
/// A SKIPPED DELIVERY IS DONE WITH, NOT PARKED
///
/// ── The regression ──
///
/// A skip at a customer's door left the tab and came back. The in-memory set
/// that holds a just-finished stop off the list is what was doing the work,
/// and it dies with the process — so the next cold start put the stop the
/// rider had written off an hour earlier back at the top of his queue, while
/// its record sat in Activity saying otherwise.
///
/// It is specifically a *skip* problem. A delivery closes the consignment, so
/// the backend stops calling it delivery work within a poll or two and the row
/// drops out on its own. A skip is a failed attempt: the server rightly leaves
/// the consignment `Out_for_Delivery`, and it will keep coming back for as long
/// as the day lasts unless the device remembers what it did.
///
/// These pin the store rules that hold it off the tab and put it on Activity
/// under its own word.
/// ─────────────────────────────────────────────────────────────────────────
void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  setUp(() {
    SharedPreferences.setMockInitialValues({'userid': 38});
    ServiceProfile.setActive(ServiceProfile.milkMan);
  });
  tearDown(() => ServiceProfile.setActive(ServiceProfile.parcel));

  Map<String, dynamic> stop(String id) => {
    'orderid': id,
    'pickupid': int.parse(id),
    'orderstatus': 'outfordelivery',
    'pickupcustomer': 'SEQTEST Ukkadam',
  };

  group('the record', () {
    test(
      'a skip is filed as a skip, not flattened into a cancellation',
      () async {
        await addCompletedBookings([stop('1001')], terminalStatus: 'skipped');

        final filed = (await getCompletedBookings()).single;
        expect(stopStatusOf(filed).isSkipped, isTrue);
        expect(
          stopStatusOf(filed).isCancelled,
          isFalse,
          reason:
              'a stop the rider walked away from and one the office called '
              'off are different things, and Activity slices them apart',
        );
      },
    );

    test('the exact word wins over the cancelled shorthand', () async {
      // `cancelled: true` is what suppresses the "delivery N of M" toast, so
      // the skip path passes both — and the precise word has to survive.
      await addCompletedBookings(
        [stop('1001')],
        cancelled: true,
        terminalStatus: 'skipped',
      );
      expect((await getCompletedBookings()).single['orderstatus'], 'skipped');
    });

    test('a real cancellation still files as cancelled', () async {
      await addCompletedBookings([stop('1001')], cancelled: true);
      expect((await getCompletedBookings()).single['orderstatus'], 'cancelled');
    });

    test('a delivery still files as delivered', () async {
      await addCompletedBookings([stop('1001')]);
      expect(
        (await getCompletedBookings()).single['orderstatus'],
        'delivered',
        reason: 'the milk run ends at the customer, not at a hub',
      );
    });
  });

  group('it stays off the deliveries tab', () {
    test('the closed set survives the process that wrote it', () async {
      await addCompletedBookings([stop('1001')], terminalStatus: 'skipped');

      // What a cold start reads back — the same call the Deliveries tab makes
      // to rebuild its just-finished set.
      expect(await getCompletedOrderIds(), contains('1001'));
    });

    test('closing one stop does not close the rest of the load', () async {
      await addCompletedBookings([stop('1001')], terminalStatus: 'skipped');
      expect(await getCompletedOrderIds(), isNot(contains('1002')));
    });

    test('yesterday’s skip is not today’s work', () async {
      // Pruned on read, like every other record in this store: a skip the
      // rider can no longer act on must not hold a stop off tomorrow's tab.
      await addCompletedBookings([stop('1001')], terminalStatus: 'skipped');
      final aged = (await getCompletedBookings())
          .map((b) => {...b, 'completedday': '2020-01-01'})
          .toList();
      await debugSeedStore('completed_bookings', jsonEncode(aged));

      expect(await getCompletedOrderIds(), isEmpty);
    });

    test('another rider’s skip is not this one’s', () async {
      await addCompletedBookings([stop('1001')], terminalStatus: 'skipped');
      SharedPreferences.setMockInitialValues({'userid': 99});
      expect(await getCompletedOrderIds(), isEmpty);
    });
  });
}