def test_only_cheapest_price_is_selected(rf):
    request, shop, group = initialize_test(rf, False)
    price = shop.create_price

    basket = get_basket(request)
    supplier = get_default_supplier()
    # create a basket rule that requires atleast value of 200
    rule = BasketTotalAmountCondition.objects.create(value="200")

    product_price = "200"

    discount1 = "10"
    discount2 = "20"  # should be selected
    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=product_price)
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    campaign = BasketCampaign.objects.create(
        shop=shop, public_name="test", name="test", discount_amount_value=discount1, active=True
    )
    campaign.conditions.add(rule)
    campaign.save()

    campaign = BasketCampaign.objects.create(
        shop=shop, public_name="test", name="test", discount_amount_value=discount2, active=True
    )
    campaign.conditions.add(rule)
    campaign.save()

    assert len(basket.get_final_lines()) == 2
    line_types = [l.type for l in basket.get_final_lines()]
    assert OrderLineType.DISCOUNT in line_types

    for line in basket.get_final_lines():
        if line.type == OrderLineType.DISCOUNT:
            assert line.discount_amount == price(discount2)

def test_basket_shipping_error(rf):
    StoredBasket.objects.all().delete()
    shop = get_default_shop()
    supplier = get_default_supplier()
    shipped_product = create_product(
        printable_gibberish(), shop=shop, supplier=supplier, default_price=50,
        shipping_mode=ShippingMode.SHIPPED
    )
    unshipped_product = create_product(
        printable_gibberish(), shop=shop, supplier=supplier, default_price=50,
        shipping_mode=ShippingMode.NOT_SHIPPED
    )

    request = rf.get("/")
    request.session = {}
    request.shop = shop
    apply_request_middleware(request)
    basket = get_basket(request)

    # With a shipped product but no shipping methods, we oughta get an error
    basket.add_product(supplier=supplier, shop=shop, product=shipped_product, quantity=1)
    assert any(ve.code == "no_common_shipping" for ve in basket.get_validation_errors())
    basket.clear_all()

    # But with an unshipped product, we should not
    basket.add_product(supplier=supplier, shop=shop, product=unshipped_product, quantity=1)
    assert not any(ve.code == "no_common_shipping" for ve in basket.get_validation_errors())

def test_percentage_campaign(rf):
    request, shop, group = initialize_test(rf, False)
    price = shop.create_price

    basket = get_basket(request)
    supplier = get_default_supplier()
    # create a basket rule that requires atleast value of 200
    rule = BasketTotalAmountCondition.objects.create(value="200")

    product_price = "200"

    discount_percentage = "0.1"

    expected_discounted_price = price(product_price) - (price(product_price) * Decimal(discount_percentage))

    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=product_price)
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    campaign = BasketCampaign.objects.create(
        shop=shop, public_name="test", name="test", discount_percentage=discount_percentage, active=True
    )
    campaign.conditions.add(rule)
    campaign.save()

    assert len(basket.get_final_lines()) == 2
    assert basket.product_count == 1
    assert basket.total_price == expected_discounted_price

def _get_order_with_coupon(request, initial_status, condition_product_count=1):
    shop = request.shop
    basket = get_basket(request)
    supplier = get_default_supplier()
    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price="50")
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    dc = Coupon.objects.create(code="TEST", active=True)
    campaign = BasketCampaign.objects.create(
        shop=shop,
        name="test",
        public_name="test",
        coupon=dc,
        discount_amount_value=shop.create_price("20"),
        active=True
    )
    rule = BasketTotalProductAmountCondition.objects.create(value=1)
    campaign.conditions.add(rule)
    campaign.save()
    basket.add_code(dc.code)
    basket.save()

    basket.status = initial_status
    creator = OrderCreator(request)
    order = creator.create_order(basket)
    assert order.lines.count() == 2
    assert OrderLineType.DISCOUNT in [l.type for l in order.lines.all()]
    return order

def test_contact_group_basket_condition_with_none(rf):
    request = rf.get("/")
    request.shop = Shop()
    basket = get_basket(request)
    condition = ContactGroupBasketCondition.objects.create()
    result = condition.matches(basket)  # Should not raise any errors
    assert result is False

def test_basket_campaign_module_case1(rf):
    request, shop, group = initialize_test(rf, False)
    price = shop.create_price

    basket = get_basket(request)
    supplier = get_default_supplier()

    single_product_price = "50"
    discount_amount_value = "10"

     # create basket rule that requires 2 products in basket
    basket_rule1 = BasketTotalProductAmountCondition.objects.create(value="2")

    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=single_product_price)

    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)
    basket.save()

    assert basket.product_count == 1

    campaign = BasketCampaign.objects.create(
        shop=shop, public_name="test", name="test", discount_amount_value=discount_amount_value, active=True)
    campaign.conditions.add(basket_rule1)
    campaign.save()

    assert len(basket.get_final_lines()) == 1  # case 1
    assert basket.total_price == price(single_product_price) # case 1

    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)
    basket.save()

    assert len(basket.get_final_lines()) == 2  # case 1
    assert basket.product_count == 2
    assert basket.total_price == (price(single_product_price) * basket.product_count - price(discount_amount_value))
    assert OrderLineType.DISCOUNT in [l.type for l in basket.get_final_lines()]

def test_basket(rf, storage):
    StoredBasket.objects.all().delete()
    quantities = [3, 12, 44, 23, 65]
    shop = get_default_shop()
    get_default_payment_method()  # Can't create baskets without payment methods
    supplier = get_default_supplier()
    products_and_quantities = []
    for quantity in quantities:
        product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=50)
        products_and_quantities.append((product, quantity))

    is_database = (storage == "shoop.front.basket.storage:DatabaseBasketStorage")
    with override_settings(SHOOP_BASKET_STORAGE_CLASS_SPEC=storage):
        for product, q in products_and_quantities:
            request = rf.get("/")
            request.session = {}
            request.shop = shop
            apply_request_middleware(request)
            basket = get_basket(request)
            assert basket == request.basket
            assert basket.product_count == 0
            line = basket.add_product(supplier=supplier, shop=shop, product=product, quantity=q)
            assert line.quantity == q
            assert basket.get_lines()
            assert basket.get_product_ids_and_quantities().get(product.pk) == q
            assert basket.product_count == q
            basket.save()
            delattr(request, "basket")
            basket = get_basket(request)
            assert basket.get_product_ids_and_quantities().get(product.pk) == q
            if is_database:
                product_ids = set(StoredBasket.objects.last().products.values_list("id", flat=True))
                assert product_ids == set([product.pk])

        if is_database:
            stats = StoredBasket.objects.all().aggregate(
                n=Sum("product_count"),
                tfs=Sum("taxful_total_price_value"),
                tls=Sum("taxless_total_price_value"),
            )
            assert stats["n"] == sum(quantities)
            if shop.prices_include_tax:
                assert stats["tfs"] == sum(quantities) * 50
            else:
                assert stats["tls"] == sum(quantities) * 50

        basket.finalize()

def test_basket(rf):
    shop = get_default_shop()
    product = get_default_product()
    supplier = get_default_supplier()
    request = rf.get("/")
    request.session = {}
    request.shop = shop
    basket = get_basket(request)
    assert basket == request.basket
    SimpleProductPrice.objects.get_or_create(shop=shop, product=product, defaults={"price": 50, "includes_tax": False})
    line = basket.add_product(supplier=supplier, shop=shop, product=product, quantity=10)
    assert line.quantity == 10
    assert basket.get_lines()
    assert basket.get_product_ids_and_quantities().get(product.pk) == 10
    delattr(request, "basket")
    basket = get_basket(request)
    assert basket.get_product_ids_and_quantities().get(product.pk) == 10

def test_campaign_with_coupons(rf):
    status = get_initial_order_status()
    request, shop, group = initialize_test(rf, False)
    basket = get_basket(request)
    supplier = get_default_supplier()

    for x in range(2):
        product = create_product(printable_gibberish(), shop, supplier=supplier, default_price="50")
        basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    dc = Coupon.objects.create(code="TEST", active=True)
    campaign = BasketCampaign.objects.create(
            shop=shop,
            name="test", public_name="test",
            coupon=dc,
            discount_amount_value=shop.create_price("20"),
            active=True
    )
    rule = BasketTotalProductAmountCondition.objects.create(value=2)
    campaign.conditions.add(rule)
    campaign.save()

    assert len(basket.get_final_lines()) == 2  # no discount was applied because coupon is required

    basket.add_code(dc.code)

    assert len(basket.get_final_lines()) == 3  # now basket has codes so they will be applied too
    assert OrderLineType.DISCOUNT in [l.type for l in basket.get_final_lines()]

    # Ensure codes persist between requests, so do what the middleware would, i.e.
    basket.save()
    # and then reload the basket:
    del request.basket
    basket = get_basket(request)

    assert basket.codes == [dc.code]
    assert len(basket.get_final_lines()) == 3  # now basket has codes so they will be applied too
    assert OrderLineType.DISCOUNT in [l.type for l in basket.get_final_lines()]

    basket.status = status
    creator = OrderCreator(request)
    order = creator.create_order(basket)
    assert CouponUsage.objects.filter(order=order).count() == 1
    assert CouponUsage.objects.filter(order=order, coupon__code=dc.code).count() == 1

def test_basket(rf, storage):
    StoredBasket.objects.all().delete()
    quantities = [3, 12, 44, 23, 65]
    shop = get_default_shop()
    supplier = get_default_supplier()
    products_and_quantities = []
    for quantity in quantities:
        product = create_product(printable_gibberish(), shop=shop, supplier=supplier)
        SimpleProductPrice.objects.get_or_create(
            shop=shop, product=product, defaults={"price": 50, "includes_tax": False}
        )
        products_and_quantities.append((product, quantity))

    is_database = (storage == "shoop.front.basket.storage:DatabaseBasketStorage")
    with override_settings(SHOOP_BASKET_STORAGE_CLASS_SPEC=storage):
        for product, q in products_and_quantities:
            request = rf.get("/")
            request.session = {}
            request.shop = shop
            basket = get_basket(request)
            assert basket == request.basket
            line = basket.add_product(supplier=supplier, shop=shop, product=product, quantity=q)
            assert line.quantity == q
            assert basket.get_lines()
            assert basket.get_product_ids_and_quantities().get(product.pk) == q
            basket.save()
            delattr(request, "basket")
            basket = get_basket(request)
            assert basket.get_product_ids_and_quantities().get(product.pk) == q
            if is_database:
                product_ids = set(StoredBasket.objects.last().products.values_list("id", flat=True))
                assert product_ids == set([product.pk])

        if is_database:
            stats = StoredBasket.objects.all().aggregate(
                n=Sum("product_count"),
                s=Sum("taxless_total"),
            )
            assert stats["n"] == sum(quantities)
            assert stats["s"] == sum(quantities) * 50

def test_basket_total_amount_condition(rf):
    request, shop, group = initialize_test(rf, False)

    basket = get_basket(request)
    supplier = get_default_supplier()

    product = create_product("Just-A-Product-Too", shop, default_price="200")
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    condition = BasketTotalAmountCondition.objects.create()
    condition.value = 1
    condition.save()
    assert condition.value == 1
    assert condition.matches(basket, [])

def test_basket_total_value_condition(rf):
    request, shop, group = initialize_test(rf, False)

    basket = get_basket(request)
    supplier = get_default_supplier()

    product = create_product("Just-A-Product-Too", shop, default_price="200")
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    condition = BasketTotalProductAmountCondition.objects.create()
    condition.value = 1
    condition.save()
    assert condition.value == 1
    assert condition.matches(basket, [])
    assert "basket has at least the product count entered here" in force_text(condition.description)

def test_product_in_basket_condition(rf):
    request, shop, group = initialize_test(rf, False)

    basket = get_basket(request)
    supplier = get_default_supplier()

    product = create_product("Just-A-Product-Too", shop, default_price="200")
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    condition = ProductsInBasketCondition.objects.create()
    condition.values = [product]
    condition.save()

    assert condition.values.first() == product

    assert condition.matches(basket, [])

def test_basket_campaign_case2(rf):

    request, shop, group = initialize_test(rf, False)
    price = shop.create_price

    basket = get_basket(request)
    supplier = get_default_supplier()
    # create a basket rule that requires atleast value of 200
    rule = BasketTotalAmountCondition.objects.create(value="200")

    single_product_price = "50"
    discount_amount_value = "10"

    unique_shipping_method = ShippingMethod(tax_class=get_default_tax_class(), module_data={"price": 50})
    unique_shipping_method.save()

    for x in range(3):
        product = create_product(
            printable_gibberish(), shop=shop, supplier=supplier, default_price=single_product_price
        )
        basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    assert basket.product_count == 3

    campaign = BasketCampaign.objects.create(
        shop=shop, public_name="test", name="test", discount_amount_value=discount_amount_value, active=True
    )
    campaign.conditions.add(rule)
    campaign.save()

    assert len(basket.get_final_lines()) == 3
    assert basket.total_price == price(single_product_price) * basket.product_count

    # check that shipping method affects campaign
    basket.shipping_method = unique_shipping_method
    basket.save()
    basket.uncache()
    assert len(basket.get_final_lines()) == 4  # Shipping should not affect the rule being triggered

    line_types = [l.type for l in basket.get_final_lines()]
    assert OrderLineType.DISCOUNT not in line_types

    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=single_product_price)
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    assert len(basket.get_final_lines()) == 6  # Discount included
    assert OrderLineType.DISCOUNT in [l.type for l in basket.get_final_lines()]

def test_basket_dirtying_with_fnl(rf):
    shop = get_default_shop()
    supplier = get_default_supplier()
    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=50)
    request = rf.get("/")
    request.session = {}
    request.shop = shop
    apply_request_middleware(request)
    basket = get_basket(request)
    line = basket.add_product(
        supplier=supplier,
        shop=shop,
        product=product,
        quantity=1,
        force_new_line=True,
        extra={"foo": "foo"}
    )
    assert basket.dirty  # The change should have dirtied the basket

def test_basket_free_product_coupon(rf):
    request, shop, group = initialize_test(rf, False)
    price = shop.create_price

    basket = get_basket(request)
    supplier = get_default_supplier()

    single_product_price = "50"
    discount_amount_value = "10"

     # create basket rule that requires 2 products in basket
    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=single_product_price)
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)
    basket.save()

    second_product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=single_product_price)

    rule = BasketTotalProductAmountCondition.objects.create(value="2")
    coupon = Coupon.objects.create(code="TEST", active=True)

    campaign = BasketCampaign.objects.create(active=True, shop=shop, name="test", public_name="test", coupon=coupon)
    campaign.conditions.add(rule)

    effect = FreeProductLine.objects.create(campaign=campaign)
    effect.products.add(second_product)

    basket.add_code(coupon.code)

    basket.uncache()
    final_lines = basket.get_final_lines()

    assert len(final_lines) == 2

    line_types = [l.type for l in final_lines]
    assert OrderLineType.DISCOUNT not in line_types

    for line in basket.get_final_lines():
        assert line.type == OrderLineType.PRODUCT

        if line.product != product:
            assert line.product == second_product

def create_basket_and_campaign(request, conditions, product_price_value, campaign_discount_value):
    product = create_product(
        "Some crazy product", request.shop, get_default_supplier(), default_price=product_price_value)
    basket = get_basket(request)
    basket.customer = request.customer
    supplier = get_default_supplier()
    basket.add_product(supplier=supplier, shop=request.shop, product=product, quantity=1)

    original_line_count = len(basket.get_final_lines())
    assert original_line_count == 1
    assert basket.product_count == 1
    original_price = basket.total_price

    campaign = BasketCampaign.objects.create(
        shop=request.shop, name="test", public_name="test", discount_amount_value=campaign_discount_value, active=True)
    for condition in conditions:
        campaign.conditions.add(condition)
    assert campaign.is_available()

    return basket, original_line_count, original_price

def test_multiple_campaigns_match_with_coupon(rf):
    request, shop, group = initialize_test(rf, False)
    price = shop.create_price

    basket = get_basket(request)
    supplier = get_default_supplier()
     # create a basket rule that requires atleast value of 200
    rule = BasketTotalAmountCondition.objects.create(value="200")

    product_price = "200"

    discount1 = "10"
    discount2 = "20"
    product = create_product(printable_gibberish(), shop=shop, supplier=supplier, default_price=product_price)
    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    campaign = BasketCampaign.objects.create(shop=shop, public_name="test", name="test", active=True)
    campaign.conditions.add(rule)
    campaign.save()

    BasketDiscountAmount.objects.create(discount_amount=discount1, campaign=campaign)

    dc = Coupon.objects.create(code="TEST", active=True)
    campaign2 = BasketCampaign.objects.create(
            shop=shop, public_name="test",
            name="test",
            coupon=dc,
            active=True
    )

    BasketDiscountAmount.objects.create(discount_amount=discount2, campaign=campaign2)

    basket.add_product(supplier=supplier, shop=shop, product=product, quantity=1)

    resp = handle_add_campaign_code(request, basket, dc.code)
    assert resp.get("ok")

    discount_lines_values = [line.discount_amount for line in basket.get_final_lines()]
    assert price(discount1) in discount_lines_values
    assert price(discount2) in discount_lines_values
    assert basket.total_price == (price(product_price) * basket.product_count - price(discount1) - price(discount2))

 def _set_basket(self, request):
     request.basket = get_basket(request)