"""
Context processors for SEO and site-wide data.
"""
from django.conf import settings
from reports.models import SiteSettings


def seo_context(request):
    """
    Provides SEO-related context variables for all templates.
    """
    site_url = request.build_absolute_uri('/').rstrip('/')
    
    # Get site settings
    site_settings = SiteSettings.get_settings()
    
    # Default SEO values
    default_seo = {
        'site_name': 'Портал за Докладване на Измами',
        'site_description': 'Портал за докладване на измами. Защита на гражданите от онлайн измами.',
        'site_keywords': 'измами, киберпрестъпления, докладване измами, защита потребители, България, официален портал, анти-измами, сигурност онлайн',
        'site_author': 'Официален Портал - Република България',
        'site_language': 'bg',
        'site_url': site_url,
        'site_image': f'{site_url}/static/images/logo.svg',
        'twitter_site': '@fraudplatformbg',
        'twitter_creator': '@fraudplatformbg',
    }
    
    # Get page-specific SEO from view context if available
    page_seo = {
        'page_title': getattr(request, 'seo_title', None),
        'page_description': getattr(request, 'seo_description', None),
        'page_keywords': getattr(request, 'seo_keywords', None),
        'page_image': getattr(request, 'seo_image', None),
        'page_type': getattr(request, 'seo_type', 'website'),
        'canonical_url': getattr(request, 'canonical_url', request.build_absolute_uri()),
    }
    
    # Merge defaults with page-specific
    seo = {**default_seo, **{k: v for k, v in page_seo.items() if v}}
    
    # Build full title
    if seo.get('page_title'):
        seo['full_title'] = f"{seo['page_title']} | {seo['site_name']}"
    else:
        seo['full_title'] = seo['site_name']
    
    # Use page image or default
    seo['og_image'] = seo.get('page_image') or seo['site_image']
    
    return {
        'seo': seo,
        'site_settings': site_settings,
    }


def email_settings(request):
    """
    Provides email settings context (for use in settings if needed).
    """
    from reports.models import SiteSettings
    site_settings = SiteSettings.get_settings()
    
    return {
        'email_settings': {
            'default_from_email': site_settings.default_from_email,
            'contact_email': site_settings.contact_email,
        }
    }