#!/usr/bin/env python
"""Test Django settings with apps added incrementally"""
import os
import sys
from pathlib import Path

# Base settings template
base_settings = """
import os
from pathlib import Path

BASE_DIR = Path(__file__).resolve().parent.parent

SECRET_KEY = 'test-key'
DEBUG = True
ALLOWED_HOSTS = []

INSTALLED_APPS = [
    'django.contrib.contenttypes',
    'django.contrib.auth',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    {apps}
]

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'test.db.sqlite3',
    }
}
"""

# Apps to test
apps_to_test = [
    "'dokumente'",
    "'abschnitte'", 
    "'stichworte'",
    "'referenzen'",
    "'rollen'",
    "'mptt'",
    "'pages'",
    "'nested_admin'",
    "'revproxy'",
]

# Test apps incrementally
current_apps = ""
for i, app in enumerate(apps_to_test):
    print(f"\n=== Testing with apps {i+1}/{len(apps_to_test)}: {app} ===")
    
    # Add the next app
    if current_apps:
        current_apps += ",\n    " + app
    else:
        current_apps = app
    
    # Write settings file
    settings_content = base_settings.format(apps=current_apps)
    with open('test_settings.py', 'w') as f:
        f.write(settings_content)
    
    # Test the settings
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'test_settings')
    
    try:
        # Clear Django's internal cache
        if 'django.conf' in sys.modules:
            del sys.modules['django.conf']
        if 'django.conf.settings' in sys.modules:
            del sys.modules['django.conf.settings']
        if 'test_settings' in sys.modules:
            del sys.modules['test_settings']
            
        import django
        from django.conf import settings
        
        # Reset Django
        if hasattr(settings, '_wrapped'):
            settings._wrapped = None
        
        django.setup()
        print(f"✓ SUCCESS: Apps up to {app} work fine")
        
    except Exception as e:
        print(f"✗ FAILED: Error with {app}: {e}")
        break

# Clean up
import os
if os.path.exists('test_settings.py'):
    os.remove('test_settings.py')
if os.path.exists('test.db.sqlite3'):
    os.remove('test.db.sqlite3')