from __future__ import annotations

import httpx
import pytest
from django.utils import timezone

from apps.sources.models import Source, SourceRobotsCache
from apps.sources.services.robots import assess_robots


@pytest.mark.security
def test_robots_uses_user_agent_matching_and_allows_default(db):
    source = Source.objects.create(
        name="Example jobs",
        source_type=Source.Type.EMPLOYER,
        base_url="https://jobs.example.org/vacatures/",
        domain="jobs.example.org",
        status=Source.Status.ACTIVE,
        policy=Source.Policy.ALLOW,
    )
    calls = {"count": 0}

    def handler(request: httpx.Request) -> httpx.Response:
        calls["count"] += 1
        assert request.url.path == "/robots.txt"
        body = (
            "User-agent: *\n"
            "Disallow: /admin\n"
            "User-agent: vacatureradar/0.1 (+local-personal-use)\n"
            "Allow: /admin\n"
        )
        return httpx.Response(200, text=body)

    client = httpx.Client(transport=httpx.MockTransport(handler))
    decision = assess_robots(
        source.base_url + "admin",
        source=source,
        user_agent="VacatureRadar/0.1 (+local-personal-use)",
        client=client,
        now=timezone.now(),
    )
    client.close()
    assert decision.allowed
    assert calls["count"] == 1


@pytest.mark.security
def test_robots_cache_refreshes_after_ttl(db, settings):
    source = Source.objects.create(
        name="Example jobs",
        source_type=Source.Type.EMPLOYER,
        base_url="https://jobs.example.org/vacatures/",
        domain="jobs.example.org",
        status=Source.Status.ACTIVE,
        policy=Source.Policy.ALLOW,
    )
    settings.ROBOTS_CACHE_TTL_SECONDS = 0

    calls = {"count": 0}

    def handler(request: httpx.Request) -> httpx.Response:
        calls["count"] += 1
        return httpx.Response(200, text="User-agent: *\nAllow: /")

    client = httpx.Client(transport=httpx.MockTransport(handler))
    assess_robots(source.base_url, source=source, user_agent="test-agent", client=client, now=timezone.now())
    assert calls["count"] == 1
    assess_robots(
        source.base_url,
        source=source,
        user_agent="test-agent",
        client=client,
        now=timezone.now(),
    )
    assert calls["count"] == 2
    assert SourceRobotsCache.objects.filter(origin__contains="jobs.example.org").exists()
    client.close()