from datetime import timedelta

import pytest
from django.conf import settings
from django.core.cache import cache
from django.core.management import call_command
from django.test import Client, TestCase
from django.urls import reverse
from django.utils.timezone import now
from model_bakery import baker, seq
from model_bakery.recipe import Recipe, foreign_key

from club.models import Membership
from core.baker_recipes import (
    board_user,
    old_subscriber_user,
    subscriber_user,
    very_old_subscriber_user,
)
from core.models import User
from counter.models import Counter, Refilling, Selling
from eboutic.models import Invoice, InvoiceItem


class TestSearchUsers(TestCase):
    @classmethod
    def setUpTestData(cls):
        User.objects.all().delete()
        user_recipe = Recipe(
            User,
            first_name=seq("First", suffix="Name"),
            last_name=seq("Last", suffix="Name"),
            nick_name=seq("Nick", suffix="Name"),
        )
        cls.users = [
            user_recipe.make(last_login=None),
            *user_recipe.make(
                last_login=seq(now() - timedelta(days=30), timedelta(days=1)),
                _quantity=10,
                _bulk_create=True,
            ),
        ]
        call_command("update_index", "core", "--remove")

    @classmethod
    def tearDownClass(cls):
        super().tearDownClass()
        # restore the index
        call_command("update_index", "core", "--remove")


class TestSearchUsersAPI(TestSearchUsers):
    def test_order(self):
        """Test that users are ordered by last login date."""
        self.client.force_login(subscriber_user.make())

        response = self.client.get(reverse("api:search_users") + "?search=First")
        assert response.status_code == 200
        assert response.json()["count"] == 11
        # The users are ordered by last login date, so we need to reverse the list
        assert [r["id"] for r in response.json()["results"]] == [
            u.id for u in self.users[::-1]
        ]

    def test_search_case_insensitive(self):
        """Test that the search is case insensitive."""
        self.client.force_login(subscriber_user.make())

        expected = [u.id for u in self.users[::-1]]
        for term in ["first", "First", "FIRST"]:
            response = self.client.get(reverse("api:search_users") + f"?search={term}")
            assert response.status_code == 200
            assert response.json()["count"] == 11
            assert [r["id"] for r in response.json()["results"]] == expected

    def test_search_nick_name(self):
        """Test that the search can be done on the nick name."""
        self.client.force_login(subscriber_user.make())

        # this should return users with nicknames Nick11, Nick10 and Nick1
        response = self.client.get(reverse("api:search_users") + "?search=Nick1")
        assert response.status_code == 200
        assert [r["id"] for r in response.json()["results"]] == [
            self.users[10].id,
            self.users[9].id,
            self.users[0].id,
        ]

    def test_search_special_characters(self):
        """Test that the search can be done on special characters."""
        belix = baker.make(User, nick_name="Bélix")
        call_command("update_index", "core")
        self.client.force_login(subscriber_user.make())

        # this should return users with first names First1 and First10
        response = self.client.get(reverse("api:search_users") + "?search=bél")
        assert response.status_code == 200
        assert [r["id"] for r in response.json()["results"]] == [belix.id]


class TestSearchUsersView(TestSearchUsers):
    """Test the search user view (`GET /search`)."""

    def test_page_ok(self):
        """Just test that the page loads."""
        self.client.force_login(subscriber_user.make())
        response = self.client.get(reverse("core:search"))
        assert response.status_code == 200


@pytest.mark.django_db
def test_user_account_not_found(client: Client):
    client.force_login(baker.make(User, is_superuser=True))
    user = baker.make(User)
    res = client.get(reverse("core:user_account", kwargs={"user_id": user.id}))
    assert res.status_code == 404
    res = client.get(
        reverse(
            "core:user_account_detail",
            kwargs={"user_id": user.id, "year": 2024, "month": 10},
        )
    )
    assert res.status_code == 404


class TestFilterInactive(TestCase):
    @classmethod
    def setUpTestData(cls):
        time_active = now() - settings.SITH_ACCOUNT_INACTIVITY_DELTA + timedelta(days=1)
        time_inactive = time_active - timedelta(days=3)
        counter, seller = baker.make(Counter), baker.make(User)
        sale_recipe = Recipe(
            Selling,
            counter=counter,
            club=counter.club,
            seller=seller,
            is_validated=True,
        )

        cls.users = [
            baker.make(User),
            subscriber_user.make(),
            old_subscriber_user.make(),
            *very_old_subscriber_user.make(_quantity=3),
        ]
        sale_recipe.make(customer=cls.users[3].customer, date=time_active)
        baker.make(
            Refilling, customer=cls.users[4].customer, date=time_active, counter=counter
        )
        sale_recipe.make(customer=cls.users[5].customer, date=time_inactive)

    def test_filter_inactive(self):
        res = User.objects.filter(id__in=[u.id for u in self.users]).filter_inactive()
        assert list(res) == [self.users[0], self.users[5]]


@pytest.mark.django_db
def test_user_invoice_with_multiple_items():
    """Test that annotate_total() works when invoices contain multiple items."""
    user: User = subscriber_user.make()
    item_recipe = Recipe(InvoiceItem, invoice=foreign_key(Recipe(Invoice, user=user)))
    item_recipe.make(_quantity=3, quantity=1, product_unit_price=5)
    item_recipe.make(_quantity=1, quantity=1, product_unit_price=5)
    item_recipe.make(_quantity=2, quantity=1, product_unit_price=iter([5, 8]))
    res = list(
        Invoice.objects.filter(user=user)
        .annotate_total()
        .order_by("-total")
        .values_list("total", flat=True)
    )
    assert res == [15, 13, 5]


@pytest.mark.django_db
@pytest.mark.parametrize(
    ("first_name", "last_name", "expected"),
    [
        ("Auguste", "Bartholdi", "abartholdi2"),  # ville du lion rpz
        ("Aristide", "Denfert-Rochereau", "adenfertrochereau"),
        ("John", "Dôe", "jdoe"),  # with an accent
    ],
)
def test_generate_username(first_name: str, last_name: str, expected: str):
    baker.make(
        User,
        username=iter(["abar", "abartholdi", "abartholdi1", "abar1"]),
        _quantity=4,
        _bulk_create=True,
    )
    new_user = User(first_name=first_name, last_name=last_name, email="a@example.com")
    new_user.generate_username()
    assert new_user.username == expected


@pytest.mark.django_db
class TestUserPreferences:
    @pytest.fixture
    def subscriber(self) -> User:
        return subscriber_user.make()

    @pytest.fixture
    def non_subscriber(self) -> User:
        return baker.make(User)

    @pytest.fixture
    def club_admin(self) -> User:
        user = baker.make(User)
        baker.make(
            Membership,
            start_date=now() - timedelta(days=30),
            role=settings.SITH_CLUB_ROLES_ID["Board member"],
            user=user,
        )
        return user

    @pytest.fixture
    def board_member(self) -> User:
        return board_user.make()

    @pytest.fixture
    def admin(self) -> User:
        return baker.make(User, is_superuser=True)

    @pytest.mark.parametrize(
        ("tested_user", "accessing_user", "expected_code"),
        [
            ("subscriber", None, 403),  # Anonymous user
            ("subscriber", "non_subscriber", 403),
            ("subscriber", "club_admin", 403),
            ("subscriber", "subscriber", 200),
            ("subscriber", "board_member", 200),
            ("subscriber", "admin", 200),
            ("non_subscriber", None, 403),
            ("non_subscriber", "club_admin", 403),
            ("non_subscriber", "subscriber", 403),
            ("non_subscriber", "non_subscriber", 200),
            ("non_subscriber", "board_member", 200),
            ("non_subscriber", "admin", 200),
        ],
    )
    @pytest.mark.django_db
    def test_user_preferences_access(
        self,
        client: Client,
        request: pytest.FixtureRequest,
        tested_user: str,
        accessing_user: str | None,
        expected_code: int,
    ):
        cache.clear()
        if accessing_user is not None:
            client.force_login(request.getfixturevalue(accessing_user))
        assert (
            client.get(
                reverse(
                    "core:user_prefs",
                    kwargs={"user_id": request.getfixturevalue(tested_user).pk},
                )
            ).status_code
            == expected_code
        )