import datetime

from django.test import TestCase
from django.urls import reverse

from apps.landing.models import Article


def _make_article(**overrides):
    defaults = {
        "slug": "test-article",
        "title": "عنوان تست",
        "excerpt": "خلاصه تست",
        "content_html": "<p>متن تست</p>",
        "published_at": datetime.date(2020, 1, 1),
        "is_published": True,
    }
    defaults.update(overrides)
    return Article.objects.create(**defaults)


class ArticlePublishScheduleTests(TestCase):
    """published_at یک gate واقعی است — مقاله‌ی is_published=True با تاریخِ
    آینده نباید تا رسیدن آن تاریخ در سایت دیده شود (انتشار پلکانی/زمان‌بندی‌شده)."""

    def test_past_dated_article_appears_in_list(self):
        _make_article(slug="past-one", published_at=datetime.date(2020, 1, 1))
        response = self.client.get(reverse("landing:article_list"))
        self.assertContains(response, "عنوان تست")

    def test_future_dated_article_hidden_from_list(self):
        future = datetime.date.today() + datetime.timedelta(days=10)
        _make_article(slug="future-one", published_at=future)
        response = self.client.get(reverse("landing:article_list"))
        self.assertNotContains(response, "عنوان تست")

    def test_future_dated_article_detail_is_404(self):
        future = datetime.date.today() + datetime.timedelta(days=10)
        article = _make_article(slug="future-two", published_at=future)
        response = self.client.get(reverse("landing:article_detail", args=[article.slug]))
        self.assertEqual(response.status_code, 404)

    def test_unpublished_article_hidden_regardless_of_date(self):
        _make_article(slug="draft-one", is_published=False, published_at=datetime.date(2020, 1, 1))
        response = self.client.get(reverse("landing:article_list"))
        self.assertNotContains(response, "عنوان تست")

    def test_today_dated_article_is_visible(self):
        _make_article(slug="today-one", published_at=datetime.date.today())
        response = self.client.get(reverse("landing:article_list"))
        self.assertContains(response, "عنوان تست")