from datetime import datetime

from django.test import SimpleTestCase
from django.template.loader import get_template
from types import SimpleNamespace


def _build_url_item():
    return SimpleNamespace(
        id=1,
        url="https://example.com/article",
        ts_fetch=datetime(2025, 7, 1, 12, 0, 0),
        status="valid",
    )


def _build_url_content(images_url=None):
    return SimpleNamespace(
        date_published=datetime(2025, 7, 1, 11, 0, 0),
        title="Example title",
        description="Example description",
        content="Example body",
        valid_content=True,
        language="en",
        tags=["a", "b"],
        authors=["Author"],
        keywords=["kw"],
        image_main_url="https://example.com/img.jpg",
        images_url=images_url,
        videos_url=["https://example.com/v.mp4"],
        url_host="https://example.com",
        site_name="Example",
    )


class UrlDetailTemplateTests(SimpleTestCase):
    def _render(self, url_content):
        template = get_template("url_detail.html")
        context = {
            "url_item": _build_url_item(),
            "url_content": url_content,
            "sources": ["feeds"],
            "searches": ["child abuse"],
            "models": ["llama3.2:3b"],
            "prompt": "Summarize",
            "url_canonical": None,
        }
        return template.render(context)

    def test_image_urls_field_renders(self):
        html = self._render(_build_url_content(images_url=["https://example.com/1.jpg"]))
        self.assertIn("https://example.com/1.jpg", html)

    def test_legacy_image_urls_attribute_is_not_referenced(self):
        # Model exposes `images_url`, not `image_urls`. Rendering the template
        # must not fail nor silently rely on a non-existent field.
        with open(
            "fetcher/templates/url_detail.html"
        ) as f:
            source = f.read()
        self.assertNotIn("url_content.image_urls", source)
        self.assertIn("url_content.images_url", source)