import pytest
from django.http import HttpRequest, HttpResponse

from apps.core.consent import CONSENT_COOKIE_NAME, ConsentService


@pytest.mark.django_db
def test_consent_round_trip(rf):
    request = HttpRequest()
    response = HttpResponse()
    ConsentService.set_consent(response, analytics=True, advertising=False)
    cookie = response.cookies[CONSENT_COOKIE_NAME].value
    request.COOKIES[CONSENT_COOKIE_NAME] = cookie
    state = ConsentService.get_consent(request)
    assert state.analytics is True
    assert state.advertising is False


@pytest.mark.django_db
def test_consent_post_view(client):
    resp = client.post("/consent/", {"accept_all": "1"}, follow=False)
    assert resp.status_code == 302
    assert CONSENT_COOKIE_NAME in resp.cookies


@pytest.mark.django_db
def test_consent_get_without_cookie_defaults_false():
    request = HttpRequest()
    state = ConsentService.get_consent(request)
    assert state.analytics is False
    assert state.advertising is False
    assert state.requires_prompt is True


@pytest.mark.django_db
def test_consent_malformed_cookie_returns_safe_default():
    request = HttpRequest()
    request.COOKIES[CONSENT_COOKIE_NAME] = "not=a=valid%%%cookie"
    state = ConsentService.get_consent(request)
    assert state.analytics is False
    assert state.advertising is False


@pytest.mark.django_db
def test_consent_post_preferences(client):
    resp = client.post("/consent/", {"analytics": "1", "advertising": ""})
    assert resp.status_code == 302
    value = resp.cookies[CONSENT_COOKIE_NAME].value
    assert "a=1" in value
    assert "d=0" in value


@pytest.mark.django_db
def test_consent_get_method_not_allowed(client):
    resp = client.get("/consent/")
    assert resp.status_code == 405


@pytest.mark.django_db
def test_cookie_banner_hides_after_consent(client, home_page):
    first = client.get("/")
    assert "id=\"cookie-banner\"" in first.content.decode()
    consented = client.post("/consent/", {"accept_all": "1"})
    cookie_value = consented.cookies[CONSENT_COOKIE_NAME].value
    client.cookies[CONSENT_COOKIE_NAME] = cookie_value
    second = client.get("/")
    assert "id=\"cookie-banner\"" not in second.content.decode()