from io import StringIO

import pytest
from django.contrib.auth.models import Group
from django.core.management import call_command

from apps.blog.models import Category, Post, Tag
from apps.blog.permissions import BLOG_EDITOR_GROUP, BLOG_SUPERVISOR_GROUP


pytestmark = [pytest.mark.integration, pytest.mark.django_db]


def test_category_and_tag_seed_commands_support_dry_run_and_idempotence():
    output = StringIO()
    call_command("seed_blog_categories", dry_run=True, stdout=output)
    call_command("seed_blog_tags", dry_run=True, stdout=output)
    assert Category.objects.count() == 0
    assert Tag.objects.count() == 0
    call_command("seed_blog_categories", stdout=output)
    call_command("seed_blog_tags", stdout=output)
    counts = Category.objects.count(), Tag.objects.count()
    assert counts[0] > 0 and counts[1] > 0
    call_command("seed_blog_categories", stdout=output)
    call_command("seed_blog_tags", stdout=output)
    assert (Category.objects.count(), Tag.objects.count()) == counts


def test_role_sync_creates_editor_and_supervisor_permissions():
    call_command("sync_blog_roles", stdout=StringIO())
    editor = Group.objects.get(name=BLOG_EDITOR_GROUP)
    supervisor = Group.objects.get(name=BLOG_SUPERVISOR_GROUP)
    assert editor.permissions.filter(codename="add_post").exists()
    assert supervisor.permissions.filter(codename="review_blog_post").exists()


def test_mock_seed_creates_posts_and_can_reset(tmp_path, settings, mocker):
    settings.MEDIA_ROOT = str(tmp_path)
    mocker.patch("apps.blog.management.commands.seed_blog_mock_data.set_image_field")
    call_command("seed_blog_mock_data", stdout=StringIO())
    assert Post.objects.filter(slug__startswith="mock-").count() == 5
    call_command("seed_blog_mock_data", reset=True, stdout=StringIO())
    assert Post.objects.filter(slug__startswith="mock-").count() == 5