import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:votianlt_app/cargo_items_view.dart';
import 'package:votianlt_app/models/delivery_station.dart';
import 'package:votianlt_app/models/tasks/confirmation_task.dart';

void main() {
  group('deliveryStationCardBackgroundColor', () {
    DeliveryStation buildStation(List<ConfirmationTask> tasks) {
      return DeliveryStation(
        stationOrder: 0,
        company: 'ACME',
        salutation: null,
        firstName: 'Max',
        lastName: 'Mustermann',
        phone: '12345',
        street: 'Musterstrasse',
        houseNumber: '1',
        addressAddition: '',
        zip: '12345',
        city: 'Berlin',
        deliveryDate: '2026-03-10',
        deliveryTime: '10:00',
        tasks: tasks,
      );
    }

    ConfirmationTask buildTask(String id, {bool completed = false}) {
      return ConfirmationTask(
        id: id,
        jobId: 'job-1',
        buttonText: 'Bestaetigen',
        completed: completed,
      );
    }

    test('returns light green when all station tasks are completed', () {
      final station = buildStation([
        buildTask('task-1', completed: true),
        buildTask('task-2', completed: true),
      ]);

      final color = deliveryStationCardBackgroundColor(station, const {});

      expect(color, Colors.green[50]);
    });

    test('returns null when only some tasks are completed', () {
      final station = buildStation([
        buildTask('task-1', completed: true),
        buildTask('task-2'),
      ]);

      final color = deliveryStationCardBackgroundColor(station, const {});

      expect(color, isNull);
    });

    test('returns null when no tasks are completed', () {
      final station = buildStation([buildTask('task-1'), buildTask('task-2')]);

      final color = deliveryStationCardBackgroundColor(station, const {});

      expect(color, isNull);
    });

    test('returns null when station has no tasks', () {
      final station = buildStation(const []);

      final color = deliveryStationCardBackgroundColor(station, const {});

      expect(color, isNull);
    });

    test('prefers local task status over incomplete task payload', () {
      final station = buildStation([buildTask('task-1'), buildTask('task-2')]);

      final color = deliveryStationCardBackgroundColor(station, const {
        'task-1': true,
        'task-2': true,
      });

      expect(color, Colors.green[50]);
    });
  });
}