# import json
# from . import models as m
# from django.urls import reverse
# from django.test import Client, TestCase
# from django.contrib.auth import get_user_model
# from django_ledger.io.io_core import get_localdate

# from django.core.exceptions import ObjectDoesNotExist
# from decimal import Decimal
# from unittest.mock import MagicMock
# from inventory.models import VatRate
# from inventory.utils import CarFinanceCalculator


# User = get_user_model()


# # Create your tests here.
# class ModelTest(TestCase):
#     """
#     Test case class designed to test models in the application. The tests
#     verify model creation, related object creation, and appropriate
#     functionality for specific business logic, ensuring correctness and
#     reliability of the defined models.

#     This class tests the following:
#     - Dealer model, including associated user and entity creation.
#     - Car model, ensuring product creation and validations.
#     - Testing of car finances, including finance totals and relationships.
#     - Creation of additional services, ensuring the generation of corresponding
#       item services.

#     :ivar vat: Vat rate created for testing purposes.
#     :type vat: VatRate instance
#     :ivar dealer: Dealer instance created for testing.
#     :type dealer: Dealer instance
#     :ivar car_make: Car make created for testing purposes.
#     :type car_make: CarMake instance
#     :ivar car_model: Car model created for testing purposes.
#     :type car_model: CarModel instance
#     :ivar car_serie: Car series created for testing purposes.
#     :type car_serie: CarSerie instance
#     :ivar trim: Car trim created for testing purposes.
#     :type trim: CarTrim instance
#     :ivar car: Car object created for testing.
#     :type car: Car instance
#     :ivar car_finances: Car finance object for the car under test.
#     :type car_finances: CarFinance instance
#     """

#     def setUp(self):
#         email = "RkzgO@example.com"
#         name = "John Doe"
#         password = "password"
#         crn = "123456789"
#         vrn = "123456789"
#         phone = "123456789"
#         address = "123 Main St"
#         arabic_name = "الاسم بالعربية"

#         self.vat = m.VatRate.objects.create(rate=0.15)

#         user = User.objects.create(username=email, email=email)
#         user.set_password(password)
#         user.save()

#         self.dealer = m.Dealer.objects.create(
#             user=user,
#             name=name,
#             arabic_name=arabic_name,
#             crn=crn,
#             vrn=vrn,
#             phone_number=phone,
#             address=address,
#         )

#         self.car_make = m.CarMake.objects.create(name="Make")
#         self.car_model = m.CarModel.objects.create(
#             name="Model", id_car_make=self.car_make
#         )
#         self.car_serie = m.CarSerie.objects.create(
#             name="Serie", id_car_model=self.car_model
#         )
#         self.trim = m.CarTrim.objects.create(name="Trim", id_car_serie=self.car_serie)
#         self.car = m.Car.objects.create(
#             vin="123456789",
#             dealer=self.dealer,
#             id_car_make=self.car_make,
#             id_car_model=self.car_model,
#             id_car_serie=self.car_serie,
#             year=2020,
#             id_car_trim=self.trim,
#             receiving_date=get_localdate(),
#         )

#         self.car_finances = m.CarFinance.objects.create(
#             car=self.car, selling_price=1000, cost_price=500, discount_amount=200
#         )

#     def test_dealer_creation_creates_user_and_entity(self):
#         dealer = self.dealer

#         self.assertEqual(User.objects.count(), 1)
#         self.assertEqual(m.Dealer.objects.count(), 1)
#         self.assertEqual(User.objects.first().username, "RkzgO@example.com")
#         self.assertEqual(User.objects.first().email, "RkzgO@example.com")
#         self.assertTrue(User.objects.first().check_password("password"))
#         self.assertEqual(dealer.user, User.objects.first())
#         self.assertEqual(dealer.name, "John Doe")
#         self.assertEqual(dealer.arabic_name, "الاسم بالعربية")
#         self.assertEqual(dealer.crn, "123456789")
#         self.assertEqual(dealer.vrn, "123456789")
#         self.assertEqual(dealer.phone_number, "123456789")
#         self.assertEqual(dealer.address, "123 Main St")

#         self.assertIsNotNone(dealer.entity)
#         self.assertEqual(dealer.entity.name, dealer.name)

#         self.assertEqual(dealer.entity.get_all_accounts().count(), 57)
#         self.assertEqual(dealer.entity.get_uom_all().count(), 16)

#     def test_car_creation_creates_product(self):
#         dealer = self.dealer

#         self.assertEqual(m.Car.objects.count(), 1)
#         self.assertEqual(self.car.vin, "123456789")
#         self.assertEqual(self.car.dealer, dealer)
#         self.assertEqual(self.car.id_car_make, self.car_make)
#         self.assertEqual(self.car.id_car_model, self.car_model)
#         self.assertEqual(self.car.id_car_serie, self.car_serie)
#         self.assertEqual(self.car.year, 2020)
#         self.assertEqual(self.car.id_car_trim, self.trim)

#         product = dealer.entity.get_items_all().filter(name=self.car.vin).first()
#         self.assertEqual(product.name, self.car.vin)

#     def test_car_finances_creation(self):
#         self.assertEqual(m.CarFinance.objects.count(), 1)
#         self.assertEqual(self.car_finances.car, self.car)
#         self.assertEqual(self.car_finances.selling_price, 1000)
#         self.assertEqual(self.car_finances.cost_price, 500)
#         self.assertEqual(self.car_finances.discount_amount, 200)

#     def test_car_finance_total(self):
#         self.assertEqual(m.CarFinance.objects.count(), 1)
#         self.assertEqual(self.car_finances.total, 1000)
#         self.assertEqual(self.car_finances.total_discount, 800)
#         self.assertEqual(self.car_finances.total_vat, 920)

#     def test_car_additional_services_create_item_service(self):
#         m.AdditionalServices.objects.create(
#             name="Service",
#             price=100,
#             description="Description",
#             dealer=self.dealer,
#             taxable=True,
#             uom=m.UnitOfMeasure.PIECE,
#         )

#         self.assertEqual(
#             m.ItemModel.objects.filter(
#                 name="Service",
#                 default_amount=100,
#                 is_product_or_service=True,
#                 item_role="service",
#             ).count(),
#             1,
#         )


# class AuthenticationTest(TestCase):
#     """
#     Represents a set of test cases for user authentication and signup validation within
#     a web application. These tests ensure the correctness of authentication functionalities
#     such as login and signing up with appropriate JSON data handling.

#     :ivar client: Django test client used to simulate HTTP requests within the test framework.
#     :type client: Client
#     :ivar url: URL for account signup endpoint used in the test cases.
#     :type url: str
#     """

#     def setUp(self):
#         self.client = Client()
#         self.url = reverse("account_signup")

#     def test_login(self):
#         url = reverse("account_login")
#         response = self.client.post(
#             url, {"email": "RkzgO@example.com", "password": "password"}
#         )
#         self.assertEqual(response.status_code, 200)

#     def test_valid_data(self):
#         # Create valid JSON data
#         data = {
#             "wizardValidationForm1": {
#                 "email": "test@example.com",
#                 "password": "password123",
#                 "confirm_password": "password123",
#             },
#             "wizardValidationForm2": {
#                 "name": "John Doe",
#                 "arabic_name": "جون دو",
#                 "phone_number": "1234567890",
#             },
#             "wizardValidationForm3": {
#                 "crn": "123456",
#                 "vrn": "789012",
#                 "address": "123 Main St",
#             },
#         }

#         # Send a POST request with the JSON data
#         response = self.client.post(
#             self.url, data=json.dumps(data), content_type="application/json"
#         )

#         # Check the response
#         self.assertEqual(response.status_code, 200)
#         self.assertEqual(response.json(), {"message": "User created successfully."})

#     def test_passwords_do_not_match(self):
#         # Create JSON data with mismatched passwords
#         data = {
#             "wizardValidationForm1": {
#                 "email": "test@example.com",
#                 "password": "password123",
#                 "confirm_password": "differentpassword",
#             },
#             "wizardValidationForm2": {
#                 "name": "John Doe",
#                 "arabic_name": "جون دو",
#                 "phone_number": "1234567890",
#             },
#             "wizardValidationForm3": {
#                 "crn": "123456",
#                 "vrn": "789012",
#                 "address": "123 Main St",
#             },
#         }

#         # Send a POST request with the JSON data
#         response = self.client.post(
#             self.url, data=json.dumps(data), content_type="application/json"
#         )

#         # Check the response
#         self.assertEqual(response.status_code, 400)
#         self.assertEqual(response.json(), {"error": "Passwords do not match."})

#     def test_missing_required_fields(self):
#         # Create JSON data with missing required fields
#         data = {
#             "wizardValidationForm1": {
#                 "email": "test@example.com",
#                 "password": "password123",
#                 # Missing "confirm_password"
#             },
#             "wizardValidationForm2": {
#                 "name": "John Doe",
#                 "arabic_name": "جون دو",
#                 "phone_number": "1234567890",
#             },
#             "wizardValidationForm3": {
#                 "crn": "123456",
#                 "vrn": "789012",
#                 "address": "123 Main St",
#             },
#         }

#         # Send a POST request with the JSON data
#         response = self.client.post(
#             self.url, data=json.dumps(data), content_type="application/json"
#         )

#         # Check the response
#         self.assertEqual(response.status_code, 400)
#         self.assertIn(
#             "error", response.json()
#         )  # Assuming the view returns an error for missing fields


# class CarFinanceCalculatorTests(TestCase):
#     """
#     Unit tests for the CarFinanceCalculator class.

#     This class contains various test cases to validate the correct functionality
#     of the CarFinanceCalculator. It includes tests for VAT rate retrieval,
#     item transactions, car data extraction, calculation of totals, fetching
#     additional services, and finance-related data processing.

#     :ivar mock_model: Mocked model used to simulate interactions with the
#         CarFinanceCalculator instance.
#     :type mock_model: unittest.mock.MagicMock
#     :ivar vat_rate: Active VAT rate used for testing VAT rate retrieval.
#     :type vat_rate: VatRate
#     """

#     def setUp(self):
#         # Common setup for all tests
#         self.mock_model = MagicMock()
#         self.vat_rate = VatRate.objects.create(rate=Decimal("0.20"), is_active=True)

#     def test_no_active_vat_rate_raises_error(self):
#         VatRate.objects.all().delete()  # Ensure no active VAT
#         with self.assertRaises(ObjectDoesNotExist):
#             CarFinanceCalculator(self.mock_model)

#     def test_vat_rate_retrieval(self):
#         calculator = CarFinanceCalculator(self.mock_model)
#         self.assertEqual(calculator.vat_rate, Decimal("0.20"))

#     def test_item_transactions_retrieval(self):
#         mock_item = MagicMock()
#         self.mock_model.get_itemtxs_data.return_value = [
#             MagicMock(all=lambda: [mock_item])
#         ]
#         calculator = CarFinanceCalculator(self.mock_model)
#         self.assertEqual(calculator.item_transactions, [mock_item])

#     def test_get_car_data(self):
#         mock_item = MagicMock()
#         mock_item.ce_quantity = 2
#         mock_item.item_model = MagicMock()
#         mock_item.item_model.item_number = "123"
#         mock_item.item_model.additional_info = {
#             CarFinanceCalculator.CAR_FINANCE_KEY: {
#                 "selling_price": "10000",
#                 "cost_price": "8000",
#                 "discount_amount": "500",
#                 "total_vat": "2000",
#             },
#             CarFinanceCalculator.CAR_INFO_KEY: {
#                 "vin": "VIN123",
#                 "make": "Toyota",
#                 "model": "Camry",
#                 "year": 2020,
#                 "trim": "LE",
#                 "mileage": 15000,
#             },
#             CarFinanceCalculator.ADDITIONAL_SERVICES_KEY: [
#                 {"name": "Service 1", "price": "200", "taxable": True, "price_": "240"}
#             ],
#         }

#         calculator = CarFinanceCalculator(self.mock_model)
#         car_data = calculator._get_car_data(mock_item)

#         self.assertEqual(car_data["item_number"], "123")
#         self.assertEqual(car_data["vin"], "VIN123")
#         self.assertEqual(car_data["make"], "Toyota")
#         self.assertEqual(car_data["selling_price"], "10000")
#         self.assertEqual(car_data["unit_price"], Decimal("10000"))
#         self.assertEqual(car_data["quantity"], 2)
#         self.assertEqual(car_data["total"], Decimal("20000"))
#         self.assertEqual(car_data["total_vat"], "2000")
#         self.assertEqual(
#             car_data["additional_services"],
#             [{"name": "Service 1", "price": "200", "taxable": True, "price_": "240"}],
#         )

#     def test_get_additional_services(self):
#         mock_item1 = MagicMock()
#         mock_item1.item_model.additional_info = {
#             CarFinanceCalculator.ADDITIONAL_SERVICES_KEY: [
#                 {"name": "Service 1", "price": "100", "taxable": True, "price_": "120"}
#             ]
#         }
#         mock_item2 = MagicMock()
#         mock_item2.item_model.additional_info = {
#             CarFinanceCalculator.ADDITIONAL_SERVICES_KEY: [
#                 {"name": "Service 2", "price": "200", "taxable": False, "price_": "200"}
#             ]
#         }

#         self.mock_model.get_itemtxs_data.return_value = [
#             MagicMock(all=lambda: [mock_item1, mock_item2])
#         ]
#         calculator = CarFinanceCalculator(self.mock_model)
#         services = calculator._get_additional_services()

#         self.assertEqual(len(services), 2)
#         self.assertEqual(services[0]["name"], "Service 1")
#         self.assertEqual(services[1]["name"], "Service 2")
#         self.assertEqual(services[0]["price_"], "120")
#         self.assertEqual(services[1]["price_"], "200")

#     def test_calculate_totals(self):
#         mock_item1 = MagicMock()
#         mock_item1.ce_quantity = 2
#         mock_item1.item_model.additional_info = {
#             CarFinanceCalculator.CAR_FINANCE_KEY: {
#                 "selling_price": "10000",
#                 "discount_amount": "500",
#             },
#             CarFinanceCalculator.ADDITIONAL_SERVICES_KEY: [
#                 {"price_": "100"},
#                 {"price_": "200"},
#             ],
#         }

#         mock_item2 = MagicMock()
#         mock_item2.quantity = 3
#         mock_item2.item_model.additional_info = {
#             CarFinanceCalculator.CAR_FINANCE_KEY: {
#                 "selling_price": "20000",
#                 "discount_amount": "1000",
#             },
#             CarFinanceCalculator.ADDITIONAL_SERVICES_KEY: [{"price_": "300"}],
#         }

#         self.mock_model.get_itemtxs_data.return_value = [
#             MagicMock(all=lambda: [mock_item1, mock_item2])
#         ]
#         calculator = CarFinanceCalculator(self.mock_model)
#         totals = calculator.calculate_totals()

#         expected_total_price = (Decimal("10000") * 2 + Decimal("20000") * 3) - (
#             Decimal("500") + Decimal("1000")
#         )
#         expected_vat = expected_total_price * Decimal("0.15")
#         expected_additionals = Decimal("100") + Decimal("200") + Decimal("300")
#         expected_grand_total = (
#             expected_total_price + expected_vat + expected_additionals
#         ).quantize(Decimal("0.00"))

#         self.assertEqual(totals["total_price"], expected_total_price)
#         self.assertEqual(totals["total_discount"], Decimal("1500"))
#         self.assertEqual(totals["total_vat_amount"], expected_vat)
#         self.assertEqual(totals["total_additionals"], expected_additionals)
#         self.assertEqual(totals["grand_total"], expected_grand_total)

#     def test_get_finance_data(self):
#         mock_item = MagicMock()
#         mock_item.ce_quantity = 1
#         mock_item.item_model = MagicMock()
#         mock_item.item_model.item_number = "456"
#         mock_item.item_model.additional_info = {
#             CarFinanceCalculator.CAR_FINANCE_KEY: {
#                 "selling_price": "15000",
#                 "discount_amount": "1000",
#                 "total_vat": "2800",
#             },
#             CarFinanceCalculator.CAR_INFO_KEY: {
#                 "vin": "VIN456",
#                 "make": "Honda",
#                 "model": "Civic",
#                 "year": 2021,
#             },
#             CarFinanceCalculator.ADDITIONAL_SERVICES_KEY: [
#                 {"name": "Service", "price": "150", "taxable": True, "price_": "180"}
#             ],
#         }

#         self.mock_model.get_itemtxs_data.return_value = [
#             MagicMock(all=lambda: [mock_item])
#         ]
#         calculator = CarFinanceCalculator(self.mock_model)
#         finance_data = calculator.get_finance_data()

#         self.assertEqual(len(finance_data["cars"]), 1)
#         self.assertEqual(finance_data["quantity"], 1)
#         self.assertEqual(finance_data["total_price"], Decimal("14000"))  # 15000 - 1000
#         self.assertEqual(
#             finance_data["total_vat"],
#             Decimal("14000") + (Decimal("14000") * Decimal("0.20")),
#         )
#         self.assertEqual(
#             finance_data["total_vat_amount"], Decimal("14000") * Decimal("0.20")
#         )
#         self.assertEqual(finance_data["total_additionals"], Decimal("180"))
#         self.assertEqual(finance_data["additionals"][0]["name"], "Service")
#         self.assertEqual(finance_data["vat"], Decimal("0.20"))