def test_get_pagination_variables():
    populate_if_required()  # Makes sure there is at least 30 products in db

    products = Product.objects.all()[:19]
    assert len(products) == 19
    vars = {"products": products}

    context = get_jinja_context(**vars)
    variables = general.get_pagination_variables(context, context["products"], limit=4)
    assert variables["page"].number == 1
    assert len(variables["objects"]) == 4

    context = get_jinja_context(path="/?page=5", **vars)
    variables = general.get_pagination_variables(context, context["products"], limit=4)
    assert variables["page"].number == 5
    assert len(variables["objects"]) == 3

    variables = general.get_pagination_variables(context, context["products"], limit=20)
    assert not variables["is_paginated"]
    assert variables["page"].number == 1

    context = get_jinja_context(path="/?page=42", **vars)
    variables = general.get_pagination_variables(context, context["products"], limit=4)
    assert variables["page"].number == 5
    assert len(variables["objects"]) == 3

    vars = {"products": []}
    context = get_jinja_context(path="/", **vars)
    variables = general.get_pagination_variables(context, context["products"], limit=4)
    assert not variables["is_paginated"]

def test_category_links_plugin_with_customer(rf, show_all_categories):
    """
    Test plugin for categories that is visible for certain group
    """
    shop = get_default_shop()
    group = get_default_customer_group()
    customer = create_random_person()
    customer.groups.add(group)
    customer.save()

    request = rf.get("/")
    request.shop = get_default_shop()
    apply_request_middleware(request)
    request.customer = customer

    category = get_default_category()
    category.status = CategoryStatus.VISIBLE
    category.visibility = CategoryVisibility.VISIBLE_TO_GROUPS
    category.visibility_groups.add(group)
    category.shops.add(shop)
    category.save()

    vars = {"request": request}
    context = get_jinja_context(**vars)
    plugin = CategoryLinksPlugin({"categories": [category.pk], "show_all_categories": show_all_categories})
    assert category.is_visible(customer)
    assert category in plugin.get_context_data(context)["categories"]

    customer_without_groups = create_random_person()
    customer_without_groups.groups.clear()

    assert not category.is_visible(customer_without_groups)
    request.customer = customer_without_groups
    context = get_jinja_context(**vars)
    assert category not in plugin.get_context_data(context)["categories"]

def test_cross_sell_plugin_cache_bump():
    shop = get_default_shop()
    supplier = get_default_supplier()
    product = create_product("test-sku", shop=shop, supplier=supplier)
    context = get_jinja_context(product=product)
    total_count = 5
    trim_count = 3

    type = ProductCrossSellType.RELATED
    _create_cross_sell_products(product, shop, supplier, type, total_count)
    assert ProductCrossSell.objects.filter(product1=product, type=type).count() == total_count

    set_cached_value_mock = mock.Mock(wraps=context_cache.set_cached_value)
    def set_cache_value(key, value, timeout=None):
        if "product_cross_sells" in key:
            return set_cached_value_mock(key, value, timeout)

    with mock.patch.object(context_cache, "set_cached_value", new=set_cache_value):
        assert set_cached_value_mock.call_count == 0
        assert product_helpers.get_product_cross_sells(context, product, type, trim_count)
        assert set_cached_value_mock.call_count == 1

        # call again, the cache should be returned instead and the set_cached_value shouldn't be called again
        assert product_helpers.get_product_cross_sells(context, product, type, trim_count)
        assert set_cached_value_mock.call_count == 1

        # bump caches
        ProductCrossSell.objects.filter(product1=product, type=type).first().save()
        assert product_helpers.get_product_cross_sells(context, product, type, trim_count)
        assert set_cached_value_mock.call_count == 2

def test_best_selling_products_with_multiple_orders():
    context = get_jinja_context()
    supplier = get_default_supplier()
    shop = get_default_shop()
    n_products = 2
    price = 10

    product_1 = create_product("test-sku-1", supplier=supplier, shop=shop)
    product_2 = create_product("test-sku-2", supplier=supplier, shop=shop)
    create_order_with_product(product_1, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)
    create_order_with_product(product_2, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)
    cache.clear()
    # Two initial products sold
    assert product_1 in general.get_best_selling_products(context, n_products=n_products)
    assert product_2 in general.get_best_selling_products(context, n_products=n_products)

    product_3 = create_product("test-sku-3", supplier=supplier, shop=shop)
    create_order_with_product(product_3, supplier, quantity=2, taxless_base_unit_price=price, shop=shop)
    cache.clear()
    # Third product sold in greater quantity
    assert product_3 in general.get_best_selling_products(context, n_products=n_products)

    create_order_with_product(product_1, supplier, quantity=4, taxless_base_unit_price=price, shop=shop)
    create_order_with_product(product_2, supplier, quantity=4, taxless_base_unit_price=price, shop=shop)
    cache.clear()
    # Third product outsold by first two products
    assert product_3 not in general.get_best_selling_products(context, n_products=n_products)

def test_get_listed_products_orderable_only():
    context = get_jinja_context()
    shop = get_default_shop()
    simple_supplier = get_simple_supplier()
    n_products = 2

    # Create product without stock
    product = create_product(
        "test-sku",
        supplier=simple_supplier,
        shop=shop,
        stock_behavior=StockBehavior.STOCKED
    )
    assert len(general.get_listed_products(context, n_products, orderable_only=True)) == 0
    assert len(general.get_listed_products(context, n_products, orderable_only=False)) == 1

    # Increase stock on product
    quantity = product.get_shop_instance(shop).minimum_purchase_quantity
    simple_supplier.adjust_stock(product.id, quantity)
    assert len(general.get_listed_products(context, n_products, orderable_only=True)) == 1
    assert len(general.get_listed_products(context, n_products, orderable_only=False)) == 1

    # Decrease stock on product
    simple_supplier.adjust_stock(product.id, -quantity)
    assert len(general.get_listed_products(context, n_products, orderable_only=True)) == 0
    assert len(general.get_listed_products(context, n_products, orderable_only=False)) == 1

def test_get_listed_products_cache_bump():
    supplier = get_default_supplier()
    shop = get_default_shop()
    product_1 = create_product("test-sku-1", supplier=supplier, shop=shop,)

    from shuup.front.template_helpers import general
    filter_dict = {"id": product_1.pk}

    cache.clear()
    context = get_jinja_context()

    set_cached_value_mock = mock.Mock(wraps=context_cache.set_cached_value)
    def set_cache_value(key, value, timeout=None):
        if "listed_products" in key:
            return set_cached_value_mock(key, value, timeout)

    with mock.patch.object(context_cache, "set_cached_value", new=set_cache_value):
        assert set_cached_value_mock.call_count == 0

        for cache_test in range(2):
            assert general.get_listed_products(context, n_products=2, filter_dict=filter_dict, orderable_only=False)
            assert set_cached_value_mock.call_count == 1

        # bump cache
        product_1.save()
        for cache_test in range(2):
            assert general.get_listed_products(context, n_products=2, filter_dict=filter_dict, orderable_only=False)
            assert set_cached_value_mock.call_count == 2

        # use other filters
        from django.db.models import Q
        for cache_test in range(2):
            assert general.get_listed_products(context, n_products=2, extra_filters=Q(translations__name__isnull=False))
            assert set_cached_value_mock.call_count == 3

def test_best_selling_products_with_multiple_orders():
    context = get_jinja_context()
    supplier = get_default_supplier()
    shop = get_default_shop()
    n_products = 2
    price = 10

    product_1 = create_product("test-sku-1", supplier=supplier, shop=shop)
    product_2 = create_product("test-sku-2", supplier=supplier, shop=shop)
    create_order_with_product(product_1, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)
    create_order_with_product(product_2, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)
    cache.clear()
    # Two initial products sold
    assert product_1 in general.get_best_selling_products(context, n_products=n_products)
    assert product_2 in general.get_best_selling_products(context, n_products=n_products)

    product_3 = create_product("test-sku-3", supplier=supplier, shop=shop)
    create_order_with_product(product_3, supplier, quantity=2, taxless_base_unit_price=price, shop=shop)
    cache.clear()
    # Third product sold in greater quantity
    assert product_3 in general.get_best_selling_products(context, n_products=n_products)

    create_order_with_product(product_1, supplier, quantity=4, taxless_base_unit_price=price, shop=shop)
    create_order_with_product(product_2, supplier, quantity=4, taxless_base_unit_price=price, shop=shop)
    cache.clear()
    # Third product outsold by first two products
    assert product_3 not in general.get_best_selling_products(context, n_products=n_products)

    children = [create_product("SimpleVarChild-%d" % x, supplier=supplier, shop=shop) for x in range(5)]
    for child in children:
        child.link_to_parent(product_3)
        create_order_with_product(child, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)
    cache.clear()
    # Third product now sold in greatest quantity
    assert product_3 == general.get_best_selling_products(context, n_products=n_products)[0]

def test_banner_box_plugin():
    context = get_jinja_context()
    test_carousel = Carousel.objects.create(name="test")
    plugin = BannerBoxPlugin(config={"carousel": test_carousel.pk, "title": "Test"})
    data = plugin.get_context_data(context)
    assert data.get("carousel") == test_carousel
    assert data.get("title") == "Test"

def test_social_media_plugin_ordering():
    """
    Test that social media plugin ordering works as expected
    """
    context = get_jinja_context()
    icon_classes = SocialMediaLinksPlugin.icon_classes
    link_1_type = "Facebook"
    link_1 = {
        "url": "http://www.facebook.com",
        "ordering": 2,
    }

    link_2_type = "Twitter"
    link_2 = {
        "url": "http://www.twitter.com",
        "ordering": 1,
    }

    links = {
        link_1_type: link_1,
        link_2_type: link_2,
    }
    plugin = SocialMediaLinksPlugin({"links": links})
    assert len(plugin.get_links()) == 2

    # Make sure link 2 comes first
    assert plugin.get_links()[0][2] == link_2["url"]

def get_context(rf, customer=None):
    request = rf.get("/")
    request.shop = factories.get_default_shop()
    apply_request_middleware(request)
    if customer:
        request.customer = customer
    return get_jinja_context(**{"request": request})

def test_get_listed_products_filter():
    context = get_jinja_context()
    shop = get_default_shop()
    supplier = get_default_supplier()

    product_1 = create_product(
        "test-sku-1",
        supplier=supplier,
        shop=shop,
    )
    product_2 = create_product(
        "test-sku-2",
        supplier=supplier,
        shop=shop,
    )

    cache.clear()
    from shuup.front.template_helpers import general
    filter_dict = {"id": product_1.id}
    for cache_test in range(2):
        product_list = general.get_listed_products(context, n_products=2, filter_dict=filter_dict)
        assert product_1 in product_list
        assert product_2 not in product_list

    for cache_test in range(2):
        product_list = general.get_listed_products(context, n_products=2, filter_dict=filter_dict, orderable_only=False)
        assert product_1 in product_list
        assert product_2 not in product_list

def test_get_random_products_cache_bump():
    from shuup.front.template_helpers import general

    supplier = get_default_supplier()
    shop = get_default_shop()

    products = [create_product("sku-%d" % x, supplier=supplier, shop=shop) for x in range(2)]
    children = [create_product("SimpleVarChild-%d" % x, supplier=supplier, shop=shop) for x in range(2)]

    for child in children:
        child.link_to_parent(products[0])

    context = get_jinja_context()
    cache.clear()
    set_cached_value_mock = mock.Mock(wraps=context_cache.set_cached_value)
    def set_cache_value(key, value, timeout=None):
        if "random_products" in key:
            return set_cached_value_mock(key, value, timeout)

    with mock.patch.object(context_cache, "set_cached_value", new=set_cache_value):
        assert set_cached_value_mock.call_count == 0

        assert general.get_random_products(context, n_products=10)
        assert set_cached_value_mock.call_count == 1

        # call again, the cache should be returned instead and the set_cached_value shouldn't be called again
        assert general.get_random_products(context, n_products=10)
        assert set_cached_value_mock.call_count == 1

        # change a shop product, the cache should be bumped
        ShopProduct.objects.filter(shop=shop).first().save()
        assert general.get_random_products(context, n_products=10)
        assert set_cached_value_mock.call_count == 2

def test_get_newest_products():
    from shuup.front.template_helpers import general

    supplier = get_default_supplier()
    shop = get_default_shop()
    products = [create_product("sku-%d" % x, supplier=supplier, shop=shop) for x in range(2)]
    children = [create_product("SimpleVarChild-%d" % x, supplier=supplier, shop=shop) for x in range(2)]

    for child in children:
        child.link_to_parent(products[0])

    context = get_jinja_context()

    for cache_test in range(2):
        newest_products = list(general.get_newest_products(context, n_products=10))
    # only 2 products exist
    assert len(newest_products) == 2
    assert products[0] in newest_products
    assert products[1] in newest_products

    # Delete one product
    products[0].soft_delete()

    for cache_test in range(2):
        newest_products = list(general.get_newest_products(context, n_products=10))
    # only 2 products exist
    assert len(newest_products) == 1
    assert products[0] not in newest_products
    assert products[1] in newest_products

def test_plugin_renders_absolute_links():
    """
    Test that the plugin renders only absolute links.
    """
    context = get_jinja_context()
    page = create_page(eternal=True, visible_in_menu=True)
    absolute_link = "/%s" % page.url
    plugin = PageLinksPlugin({"show_all_pages": True})
    assert absolute_link in plugin.render(context)

def test_get_best_selling_products():
    from shuup.front.template_helpers import general
    context = get_jinja_context()

    # No products sold
    assert len(list(general.get_best_selling_products(context, n_products=3))) == 0
    shop = get_default_shop()

    supplier = get_default_supplier()
    supplier2 = Supplier.objects.create(name="supplier2", enabled=True, is_approved=True)
    supplier3 = Supplier.objects.create(name="supplier3", enabled=True, is_approved=True)
    supplier2.shops.add(shop)
    supplier3.shops.add(shop)

    product1 = create_product("product1", shop, supplier, 10)
    product2 = create_product("product2", shop, supplier, 20)
    create_order_with_product(product1, supplier, quantity=1, taxless_base_unit_price=10, shop=shop)
    create_order_with_product(product2, supplier, quantity=2, taxless_base_unit_price=20, shop=shop)

    cache.clear()
    # Two products sold
    for cache_test in range(2):
        best_selling_products = list(general.get_best_selling_products(context, n_products=3))
        assert len(best_selling_products) == 2
        assert product1 in best_selling_products
        assert product2 in best_selling_products

    # Make order unorderable
    shop_product = product1.get_shop_instance(shop)
    shop_product.visibility = ShopProductVisibility.NOT_VISIBLE
    shop_product.save()

    cache.clear()
    for cache_test in range(2):
        best_selling_products = list(general.get_best_selling_products(context, n_products=3))
        assert len(best_selling_products) == 1
        assert product1 not in best_selling_products
        assert product2 in best_selling_products

    # add a new product with discounted amount
    product3 = create_product("product3", supplier=supplier, shop=shop, default_price=30)
    create_order_with_product(product3, supplier, quantity=1, taxless_base_unit_price=30, shop=shop)
    from shuup.customer_group_pricing.models import CgpDiscount
    CgpDiscount.objects.create(
        shop=shop,
        product=product3,
        group=AnonymousContact.get_default_group(),
        discount_amount_value=5
    )
    cache.clear()
    for cache_test in range(2):
        best_selling_products = list(general.get_best_selling_products(context, n_products=3, orderable_only=True))
        assert len(best_selling_products) == 2
        assert product1 not in best_selling_products
        assert product2 in best_selling_products
        assert product3 in best_selling_products

def test_get_random_products():
    supplier = get_default_supplier()
    shop = get_default_shop()    
    products = [create_product("sku-%d" % x, supplier=supplier, shop=shop) for x in range(2)]
    children = [create_product("SimpleVarChild-%d" % x, supplier=supplier, shop=shop) for x in range(2)]
    for child in children:
        child.link_to_parent(products[0])
    context = get_jinja_context()
    # only 2 parent products exist
    assert len(list(general.get_random_products(context, n_products=10))) == 2

def test_carousel_plugin_form_get_context():
    shop = get_default_shop()
    context = get_jinja_context()
    test_carousel = Carousel.objects.create(name="test")
    plugin = CarouselPlugin(config={"carousel": test_carousel.pk})
    assert plugin.get_context_data(context).get("carousel") == None

    test_carousel.shops = [shop]
    plugin = CarouselPlugin(config={"carousel": test_carousel.pk})
    assert plugin.get_context_data(context).get("carousel") == test_carousel

def test_page_links_plugin_show_all():
    """
    Test that show_all_pages forces plugin to return all visible pages
    """
    context = get_jinja_context()
    page = create_page(eternal=True, visible_in_menu=True)
    plugin = PageLinksPlugin({"show_all_pages": False})
    assert not plugin.get_context_data(context)["pages"]

    plugin = PageLinksPlugin({"show_all_pages": True})
    assert page in plugin.get_context_data(context)["pages"]

def test_best_selling_products_with_multiple_orders():
    from shuup.front.template_helpers import general

    context = get_jinja_context()
    supplier = get_default_supplier()
    shop = get_default_shop()
    n_products = 2
    price = 10

    product_1 = create_product("test-sku-1", supplier=supplier, shop=shop, default_price=price)
    product_2 = create_product("test-sku-2", supplier=supplier, shop=shop, default_price=price)
    create_order_with_product(product_1, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)
    create_order_with_product(product_2, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)

    # Two initial products sold
    for cache_test in range(2):
        assert product_1 in general.get_best_selling_products(context, n_products=n_products)
        assert product_2 in general.get_best_selling_products(context, n_products=n_products)

    product_3 = create_product("test-sku-3", supplier=supplier, shop=shop, default_price=price)
    create_order_with_product(product_3, supplier, quantity=2, taxless_base_unit_price=price, shop=shop)

    # Third product sold in greater quantity
    cache.clear()
    assert product_3 in general.get_best_selling_products(context, n_products=n_products)

    create_order_with_product(product_1, supplier, quantity=4, taxless_base_unit_price=price, shop=shop)
    create_order_with_product(product_2, supplier, quantity=4, taxless_base_unit_price=price, shop=shop)

    cache.clear()
    # Third product outsold by first two products
    for cache_test in range(2):
        assert product_3 not in general.get_best_selling_products(context, n_products=n_products)

    children = [create_product("SimpleVarChild-%d" % x, supplier=supplier, shop=shop) for x in range(5)]
    for child in children:
        child.link_to_parent(product_3)
        create_order_with_product(child, supplier, quantity=1, taxless_base_unit_price=price, shop=shop)

    cache.clear()
    # Third product now sold in greatest quantity
    for cache_test in range(2):
        assert product_3 == general.get_best_selling_products(context, n_products=n_products)[0]

    # add a new product with discounted amount
    product_4 = create_product("test-sku-4", supplier=supplier, shop=shop, default_price=price)
    create_order_with_product(product_4, supplier, quantity=2, taxless_base_unit_price=price, shop=shop)
    from shuup.customer_group_pricing.models import CgpDiscount
    CgpDiscount.objects.create(
        shop=shop,
        product=product_4,
        group=AnonymousContact.get_default_group(),
        discount_amount_value=(price * 0.1)
    )

def test_get_pagination_variables():
    from shuup.front.template_helpers import general

    populate_if_required()  # Makes sure there is at least 30 products in db

    products = Product.objects.all()[:19]
    assert len(products) == 19
    vars = {"products": products}

    context = get_jinja_context(**vars)
    variables = general.get_pagination_variables(context, context["products"], limit=2)
    assert variables["page"].number == 1
    assert len(variables["objects"]) == 2
    assert variables["page_range"][0] == 1
    assert variables["page_range"][-1] == 5

    context = get_jinja_context(path="/?page=5", **vars)
    variables = general.get_pagination_variables(context, context["products"], limit=2)
    assert variables["page"].number == 5
    assert len(variables["objects"]) == 2
    assert variables["page_range"][0] == 3
    assert variables["page_range"][-1] == 7

    variables = general.get_pagination_variables(context, context["products"], limit=20)
    assert not variables["is_paginated"]
    assert variables["page"].number == 1
    assert variables["page_range"][0] == variables["page_range"][-1] == 1

    context = get_jinja_context(path="/?page=42", **vars)
    variables = general.get_pagination_variables(context, context["products"], limit=4)
    assert variables["page"].number == 5
    assert len(variables["objects"]) == 3
    assert variables["page_range"][0] == 1
    assert variables["page_range"][-1] == 5

    vars = {"products": []}
    context = get_jinja_context(path="/", **vars)
    variables = general.get_pagination_variables(context, context["products"], limit=4)
    assert not variables["is_paginated"]
    assert variables["page_range"][0] == variables["page_range"][-1] == 1