import logging

logger = logging.getLogger(__name__)


class LogIPMiddleware:
    """Middleware para logar o IP de cada requisição"""
    
    def __init__(self, get_response):
        self.get_response = get_response
    
    def __call__(self, request):
        # Obtém o IP do cliente
        ip = self.get_client_ip(request)
        
        # Loga o IP da requisição
        logger.info(f"Request from IP: {ip} - Method: {request.method} - Path: {request.path}")
        
        response = self.get_response(request)
        return response
    
    def get_client_ip(self, request):
        """
        Obtém o IP real do cliente, considerando proxies
        """
        # Verifica se há X-Forwarded-For (quando atrás de proxy/load balancer)
        x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
        if x_forwarded_for:
            ip = x_forwarded_for.split(',')[0].strip()
        else:
            # Caso contrário, usa REMOTE_ADDR
            ip = request.META.get('REMOTE_ADDR')
        
        return ip