import pytest
from django.core import signing

from apps.newsletter.models import NewsletterSubscription


@pytest.mark.django_db
def test_subscribe_ok(client):
    resp = client.post("/newsletter/subscribe/", {"email": "a@example.com", "source": "nav"})
    assert resp.status_code == 200
    assert resp.json()["status"] == "ok"
    assert NewsletterSubscription.objects.filter(email="a@example.com").exists()


@pytest.mark.django_db
def test_subscribe_sends_confirmation_email(client, mailoutbox):
    resp = client.post("/newsletter/subscribe/", {"email": "new@example.com", "source": "nav"})
    assert resp.status_code == 200
    assert len(mailoutbox) == 1
    assert "Confirm your No Hype AI newsletter subscription" in mailoutbox[0].subject


@pytest.mark.django_db
def test_duplicate_subscribe_returns_ok_without_extra_email(client, mailoutbox):
    client.post("/newsletter/subscribe/", {"email": "dupe@example.com", "source": "nav"})
    assert len(mailoutbox) == 1
    resp = client.post("/newsletter/subscribe/", {"email": "dupe@example.com", "source": "footer"})
    assert resp.status_code == 200
    assert resp.json()["status"] == "ok"
    assert len(mailoutbox) == 1


@pytest.mark.django_db
def test_subscribe_invalid(client):
    resp = client.post("/newsletter/subscribe/", {"email": "bad"})
    assert resp.status_code == 400


@pytest.mark.django_db
def test_confirm_endpoint(client):
    sub = NewsletterSubscription.objects.create(email="b@example.com")
    token = signing.dumps(sub.email, salt="newsletter-confirm")
    resp = client.get(f"/newsletter/confirm/{token}/")
    assert resp.status_code == 302
    sub.refresh_from_db()
    assert sub.confirmed is True


@pytest.mark.django_db
def test_confirm_endpoint_with_expired_token(client, monkeypatch):
    sub = NewsletterSubscription.objects.create(email="c@example.com")
    token = signing.dumps(sub.email, salt="newsletter-confirm")
    monkeypatch.setattr("apps.newsletter.views.CONFIRMATION_TOKEN_MAX_AGE_SECONDS", -1)
    resp = client.get(f"/newsletter/confirm/{token}/")
    assert resp.status_code == 404