"""
Server Monitoring - WebAgents V2.0

Prometheus metrics and structured logging for the WebAgents server.
"""

import time
from typing import Dict, Any, Optional
from dataclasses import dataclass


@dataclass
class PrometheusMetrics:
    """Prometheus metrics collector"""
    enable_prometheus: bool = True
    
    def set_server_info(self, **kwargs):
        """Set server information metrics"""
        pass
    
    def get_metrics_response(self) -> str:
        """Get Prometheus metrics response"""
        return "# Prometheus metrics would be here\n"


@dataclass
class MonitoringSystem:
    """Complete monitoring system"""
    enable_prometheus: bool
    enable_structured_logging: bool
    prometheus: PrometheusMetrics
    
    def get_performance_stats(self) -> Dict[str, Any]:
        """Get performance statistics"""
        return {
            "uptime": time.time(),
            "memory_usage": "unknown",
            "cpu_usage": "unknown"
        }
    
    def update_system_metrics(self, **kwargs):
        """Update system metrics"""
        pass
    
    def get_metrics_response(self) -> bytes:
        """Get Prometheus metrics response"""
        if self.prometheus:
            return self.prometheus.get_metrics_response().encode() if isinstance(self.prometheus.get_metrics_response(), str) else self.prometheus.get_metrics_response()
        return b"# Prometheus metrics not available\n"


def initialize_monitoring(
    enable_prometheus: bool = True,
    enable_structured_logging: bool = True,
    metrics_port: int = 9090
) -> MonitoringSystem:
    """Initialize monitoring system"""
    
    prometheus = PrometheusMetrics(enable_prometheus=enable_prometheus)
    
    return MonitoringSystem(
        enable_prometheus=enable_prometheus,
        enable_structured_logging=enable_structured_logging,
        prometheus=prometheus
    ) 