"""Tests para carddav_put_vcard.

Smoke deterministas: monkeypatchean urllib.request.urlopen para capturar el
Request object (URL, method, headers, body) sin enviarlo a un servidor real.
"""

import base64
import sys

import infra.carddav_put_vcard  # noqa: F401

mod = sys.modules["infra.carddav_put_vcard"]
carddav_put_vcard = mod.carddav_put_vcard


class _FakeResp:
    status = 201

    def __enter__(self):
        return self

    def __exit__(self, *a):
        return False


def _capture(monkeypatch):
    captured = {}

    def fake_urlopen(req, timeout=None, context=None):
        captured["url"] = req.full_url
        captured["method"] = req.get_method()
        captured["headers"] = dict(req.header_items())
        captured["body"] = req.data
        return _FakeResp()

    monkeypatch.setattr(mod.urllib.request, "urlopen", fake_urlopen)
    return captured


def _call():
    return carddav_put_vcard(
        base_url="https://dav.example.com",
        username="enmanuel",
        password="secret-pw",
        collection_path="/enmanuel/contacts/addressbook/",
        uid="abc-123@google.com",
        vcard_text="BEGIN:VCARD\r\nFN:Ada\r\nUID:abc-123@google.com\r\nEND:VCARD",
    )


def test_construye_request_put_con_headers_correctos(monkeypatch):
    cap = _capture(monkeypatch)
    res = _call()
    assert res == {"status": "ok", "http_status": 201, "url": cap["url"]}
    assert cap["method"] == "PUT"


def test_url_se_forma_con_uid_saneado(monkeypatch):
    cap = _capture(monkeypatch)
    _call()
    # El '@' del uid se sanea a '_'.
    assert cap["url"].endswith("/enmanuel/contacts/addressbook/abc-123_google.com.vcf")


def test_content_type_es_text_vcard(monkeypatch):
    cap = _capture(monkeypatch)
    _call()
    # urllib capitaliza las claves de header.
    headers = {k.lower(): v for k, v in cap["headers"].items()}
    assert headers["content-type"] == "text/vcard; charset=utf-8"


def test_basic_auth_header_correcto(monkeypatch):
    cap = _capture(monkeypatch)
    _call()
    headers = {k.lower(): v for k, v in cap["headers"].items()}
    expected = "Basic " + base64.b64encode(b"enmanuel:secret-pw").decode("ascii")
    assert headers["authorization"] == expected


def test_httperror_devuelve_status_error(monkeypatch):
    def fake_urlopen(req, timeout=None, context=None):
        raise mod.urllib.error.HTTPError(req.full_url, 409, "Conflict", {}, None)

    monkeypatch.setattr(mod.urllib.request, "urlopen", fake_urlopen)
    res = _call()
    assert res["status"] == "error"
    assert res["http_status"] == 409