from io import StringIO

import pytest
from django.contrib.admin.models import CHANGE, LogEntry
from django.contrib.contenttypes.models import ContentType
from django.core.management import call_command

from apps.content.current import AboutContent, HomeContent, ListingContent
from apps.users.models import User


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


def test_command_replaces_unedited_migration_copy_with_mock_content_idempotently():
    call_command("seed_mock_content", stdout=StringIO())

    home = HomeContent.objects.get(pk=1)
    about = AboutContent.objects.get(pk=1)
    events = ListingContent.objects.get(pk="events")
    blog = ListingContent.objects.get(pk="blog")

    assert home.hero_heading == "عنوان نمونه صفحه اصلی"
    assert about.title == "عنوان نمونه صفحه درباره ما"
    assert about.items.filter(title="کمیته نمونه").exists()
    assert not about.items.filter(title="انجمن علمی مهندسی کامپیوتر دانشکده‌ی فنی").exists()
    assert events.title == "عنوان نمونه رویدادها"
    assert blog.title == "عنوان نمونه بلاگ"

    call_command("seed_mock_content", stdout=StringIO())
    assert HomeContent.objects.get(pk=1).hero_heading == "عنوان نمونه صفحه اصلی"


def test_command_preserves_content_with_an_admin_change_log():
    editor = User.objects.create_user(
        username="mock-editor",
        mobile="09120000001",
        password="TestPass123!",
        is_staff=True,
    )
    home = HomeContent.objects.get(pk=1)
    home.hero_heading = "Admin's real heading"
    home.save(update_fields=["hero_heading"])
    LogEntry.objects.create(
        user=editor,
        content_type=ContentType.objects.get_for_model(HomeContent),
        object_id="1",
        object_repr=str(home),
        action_flag=CHANGE,
        change_message="Changed through admin",
    )

    call_command("seed_mock_content", stdout=StringIO())

    assert HomeContent.objects.get(pk=1).hero_heading == "Admin's real heading"
    assert ListingContent.objects.get(slug="events").title == "عنوان نمونه رویدادها"


def test_dry_run_does_not_change_seeded_content():
    output = StringIO()

    call_command("seed_mock_content", dry_run=True, stdout=output)

    assert HomeContent.objects.get(pk=1).hero_heading == "انجمن علمی کامپیوتر دانشگاه گیلان"
    assert "dry run" in output.getvalue().lower()