"""
WSGI config for config project.

It exposes the WSGI callable as a module-level variable named ``application``.

For more information on this file, see
https://docs.djangoproject.com/en/5.0/howto/deployment/wsgi/
"""

import os
from pathlib import Path
import ctypes
import ctypes.util

try:
    from dotenv import load_dotenv
    env_path = Path(__file__).resolve().parent.parent.parent / '.env'
    if env_path.exists():
        load_dotenv(env_path)
except ImportError:
    pass

# --- FIX: Preload libraries for WeasyPrint/Pango ---
# Manually load libraries using absolute paths
import ctypes
import ctypes.util
import traceback
import sys

lib_paths = [
    '/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0',
    '/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0',
    '/usr/lib/x86_64-linux-gnu/libfontconfig.so.1',
    '/usr/lib/x86_64-linux-gnu/libcairo.so.2',
    '/usr/lib/x86_64-linux-gnu/libpango-1.0.so.0',
    '/usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0',
]

for path in lib_paths:
    try:
        ctypes.CDLL(path)
    except OSError:
        pass

# Try to import weasyprint
try:
    import weasyprint
except Exception as e:
    # Log error to file and stderr
    error_msg = f"WeasyPrint Import Error: {str(e)}\n{traceback.format_exc()}"
    sys.stderr.write(error_msg)
    try:
        with open("weasyprint_wsgi_error.log", "w") as f:
            f.write(error_msg)
    except Exception:
        pass

    # Fallback to mock
    import types
    class MockHTML:
        def __init__(self, string=None, base_url=None):
            pass
        def write_pdf(self, target=None):
            raise OSError("WeasyPrint system dependencies are missing. PDF generation is disabled.")
    
    mock_wp = types.ModuleType("weasyprint")
    mock_wp.HTML = MockHTML
    sys.modules["weasyprint"] = mock_wp
# ---------------------------------------------------

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')

from django.core.wsgi import get_wsgi_application

application = get_wsgi_application()