from django.contrib.auth import get_user_model
from django.shortcuts import reverse
from django.test import TestCase

User = get_user_model()


class TestLogin(TestCase):
    def setUp(self) -> None:
        self.password = "theonering"
        self.user = User.objects.create(
            username="sauron",
            email="sauron@mordor.middleearth",
        )

        self.user.set_password(self.password)
        self.user.save()

    def test_login(self):
        response = self.client.post(
            reverse("web:login"),
            {
                "username": self.user.username,
                "password": self.password,
            },
        )

        assert response.status_code == 302
        assert response.url == reverse("web:index")

    def test_login_get(self):
        response = self.client.get(reverse("web:login"))
        assert response.status_code == 200

    def test_login_already_logged_in(self):
        response = self.client.post(
            reverse("web:login"),
            {
                "username": self.user.username,
                "password": self.password,
            },
        )

        assert response.status_code == 302
        assert response.url == reverse("web:index")

        response = self.client.get(reverse("web:login"))
        assert response.status_code == 302
        assert response.url == reverse("web:index")

    def test_login_failed(self):
        response = self.client.post(
            reverse("web:login"),
            {
                "username": self.user.username,
                "password": "wrongpassword",
            },
        )

        assert response.status_code == 400

    def test_login_then_logout(self):
        response = self.client.post(
            reverse("web:login"),
            {
                "username": self.user.username,
                "password": self.password,
            },
        )

        assert response.status_code == 302
        assert response.url == reverse("web:index")

        response = self.client.post(reverse("web:logout"))
        assert response.status_code == 302
        assert response.url == reverse("web:index")

    def test_logout_already_logged_out(self):
        response = self.client.post(reverse("web:logout"))
        assert response.status_code == 302
        assert response.url == reverse("web:index")

    def test_login_then_get_logout(self):
        response = self.client.post(
            reverse("web:login"),
            {
                "username": self.user.username,
                "password": self.password,
            },
        )

        assert response.status_code == 302
        assert response.url == reverse("web:index")

        response = self.client.get(reverse("web:logout"))
        assert response.status_code == 302
        assert response.url == reverse("web:index")

    def test_login_then_get_my_account(self):
        response = self.client.post(
            reverse("web:login"),
            {
                "username": self.user.username,
                "password": self.password,
            },
        )

        assert response.status_code == 302
        assert response.url == reverse("web:index")

        response = self.client.get(reverse("web:my_account"))
        assert response.status_code == 200

    def test_login_redirection_to_my_account(self):
        url = f'{reverse("web:login")}?next={reverse("web:my_account")}'
        response = self.client.post(
            url,
            {
                "username": self.user.username,
                "password": self.password,
            },
        )

        assert response.status_code == 302
        assert (
            response.url == f'{reverse("web:index")}?next={reverse("web:my_account")}'
        )

        response = self.client.get(response.url)
        assert response.status_code == 302
        assert response.url == reverse("web:my_account")

    def test_login_redirection_to_my_orders(self):
        url = f'{reverse("web:login")}?next={reverse("web:orders")}'
        response = self.client.post(
            url,
            {
                "username": self.user.username,
                "password": self.password,
            },
        )

        assert response.status_code == 302
        assert response.url == f'{reverse("web:index")}?next={reverse("web:orders")}'

        response = self.client.get(response.url)
        assert response.status_code == 302
        assert response.url == reverse("web:orders")