# retoor <retoor@molodetz.nl>

import time

import requests

from tests.conftest import BASE_URL

JSON = {"Accept": "application/json"}
_counter = [0]


def _unique(prefix="nextpost"):
    _counter[0] += 1
    return f"{prefix}{int(time.time() * 1000)}{_counter[0]}"


def _signup():
    name = _unique("nextuser")
    session = requests.Session()
    session.post(
        f"{BASE_URL}/auth/signup",
        data={
            "username": name,
            "email": f"{name}@t.dev",
            "password": "secret123",
            "confirm_password": "secret123",
            "birth_date": "1990-01-01",
            "accept_terms": "1",
        },
        allow_redirects=True,
    )
    return session


def _new_post(session, title=None):
    return session.post(
        f"{BASE_URL}/posts/create",
        headers=JSON,
        data={
            "title": title or _unique("nextpostbody"),
            "content": "content for the next-post navigation test",
            "topic": "devlog",
        },
    ).json()["data"]


def test_newer_post_links_to_the_next_older_post(app_server):
    session = _signup()
    older = _new_post(session, title="Older Post For Next Nav")
    newer = _new_post(session, title="Newer Post For Next Nav")

    r = requests.get(f"{BASE_URL}/posts/{newer['slug']}", headers=JSON)
    assert r.status_code == 200
    assert r.json()["next_post_url"] == f"/posts/{older['slug']}"

    html = requests.get(f"{BASE_URL}/posts/{newer['slug']}")
    assert f'href="/posts/{older["slug"]}" class="next-post-link"' in html.text
    assert f'<link rel="next" href="{BASE_URL}/posts/{older["slug"]}">' in html.text


def test_next_post_link_is_absent_when_the_url_is_none(app_server):
    session = _signup()
    post = _new_post(session)

    data = requests.get(f"{BASE_URL}/posts/{post['slug']}", headers=JSON).json()
    html = requests.get(f"{BASE_URL}/posts/{post['slug']}").text
    if data["next_post_url"] is None:
        assert "next-post-link" not in html
        assert 'rel="next"' not in html
    else:
        assert f'href="{data["next_post_url"]}" class="next-post-link"' in html