from .models import SystemSetting
import os
from django.utils import timezone

def project_context(request):
    """
    Injects project description and social image URL from environment variables.
    Also injects a deployment timestamp for cache-busting.
    """
    return {
        "project_description": os.getenv("PROJECT_DESCRIPTION", ""),
        "project_image_url": os.getenv("PROJECT_IMAGE_URL", ""),
        "deployment_timestamp": int(timezone.now().timestamp()),
    }

def global_settings(request):
    try:
        settings = SystemSetting.objects.first()
        if not settings:
            settings = SystemSetting.objects.create()
        return {'site_settings': settings}
    except:
        return {}