import 'package:flutter_test/flutter_test.dart';

import 'package:miler/data/milk_run.dart';
import 'package:miler/data/service_profile.dart';
import 'package:miler/views/Dashboard/pickups/pickups.dart';
import 'package:miler/views/Dashboard/pickups/stop_type.dart';

/// ─────────────────────────────────────────────────────────────────────────
/// THE DELIVERY LEG HAS NO ARRIVAL STEP
///
/// What the rider reported: pressing **Start delivery** opened the map, and the
/// map asked him to press **I've arrived** — which opened a sheet offering
/// *Picked up · Skipped · Not picked* for a bag already in his box.
///
/// Both halves were wrong. Arrival at a customer's door is not a state anything
/// records — no endpoint exists for it — so the button wrote nothing and existed
/// only to reveal the next screen; and the screen it revealed was the pickup
/// flow's. A stop he is carrying is simply **active**, and the only question
/// left is how it ended.
///
/// These pin the vocabulary and the routing of the three outcomes. The control
/// itself is a widget; what must not drift is which endpoint each outcome means
/// and which of them ends the order.
/// ─────────────────────────────────────────────────────────────────────────
void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  tearDown(() => ServiceProfile.setActive(ServiceProfile.parcel));

  group('the three outcomes', () {
    test('are exactly delivered, skip and cancelled', () {
      expect(DeliveryOutcome.values.map((o) => o.label), [
        'Delivered',
        'Skip',
        'Cancelled',
      ]);
    });

    test('delivered is the only one that completes the order', () {
      // Skip is a return visit — it increments `attemptcount` rather than
      // failing the parcel — and cancelled is a withdrawal. Neither is a
      // delivery, and Activity must not file them as one.
      expect(DeliveryOutcome.delivered.pastTense, 'Delivered');
      expect(DeliveryOutcome.skipped.pastTense, 'Skipped');
      expect(DeliveryOutcome.cancelled.pastTense, 'Cancelled');
    });

    test('each one is coloured by what it means, not by where it sits', () {
      expect(
        DeliveryOutcome.delivered.colour,
        isNot(DeliveryOutcome.cancelled.colour),
      );
      expect(
        DeliveryOutcome.skipped.colour,
        isNot(DeliveryOutcome.cancelled.colour),
      );
    });
  });

  group('which leg a stop is on decides which control it gets', () {
    setUp(() => ServiceProfile.setActive(ServiceProfile.milkMan));

    Map<String, dynamic> stop(String status) => {
      'orderid': 'A1',
      // The adapter stamps this on every row whatever leg it is on, which is
      // why the leg is asked of [MilkRun.workingKind] and never of the payload.
      'type': 'pickup',
      'orderstatus': status,
      'kitchenname': 'Vidhya Kitchen',
    };

    test('a collected order is on the delivery leg', () {
      expect(MilkRun.workingKind(stop('picked')).isDelivery, isTrue);
      expect(
        MilkRun.workingKind(stop('accepted'), collectedIds: {'A1'}).isDelivery,
        isTrue,
      );
    });

    test('an uncollected one is not — it keeps the pickup flow', () {
      // The arrival step and the confirmation sheet still belong to the pickup
      // leg on logistics, where the collection *is* the job at the door.
      expect(MilkRun.workingKind(stop('accepted')).isDelivery, isFalse);
      expect(MilkRun.workingKind(stop('arrived')).isDelivery, isFalse);
    });

    test('and on logistics nothing is ever the delivery leg', () {
      // That line's parcel goes to a hub and is delivered by somebody else, so
      // the rider never drives to its customer and must keep I'VE ARRIVED.
      ServiceProfile.setActive(ServiceProfile.parcel);
      for (final status in ['accepted', 'arrived', 'picked']) {
        expect(
          MilkRun.workingKind(stop(status)).isDelivery,
          isFalse,
          reason: status,
        );
      }
    });
  });
}