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('users: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('users:login'))
        assert response.status_code == 200

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

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

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

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

        assert response.status_code == 400

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

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

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

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

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

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

        response = self.client.get(reverse('users: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('users:login'), {
            'username': self.user.username,
            'password': self.password
        })

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

        response = self.client.get(reverse('users:my_account'))
        assert response.status_code == 200

    def test_login_redirection_to_my_account(self):
        url = f'{reverse("users:login")}?next={reverse("users: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("users:my_account")}'

        response = self.client.get(response.url)
        assert response.status_code == 302
        assert response.url == reverse('users:my_account')

    def test_login_redirection_to_my_orders(self):
        url = f'{reverse("users: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')