from .mcp_base import MCPTool
from typing import Dict, Any
import asyncio

class EbpfMonitorTool(MCPTool):
    """MCP tool that monitors system calls using eBPF (simulated)."""
    
    @property
    def name(self) -> str:
        return "ebpf_monitor"
    
    @property
    def description(self) -> str:
        return "Monitor system calls and resource usage via eBPF. Returns recent events."
    
    def parameters_schema(self) -> dict:
        return {
            "type": "object",
            "properties": {
                "duration_sec": {
                    "type": "integer",
                    "description": "How many seconds to monitor (max 60)",
                    "default": 10
                },
                "pid": {
                    "type": "integer",
                    "description": "Optional process ID to filter",
                    "default": None
                }
            }
        }
    
    async def execute(self, parameters: Dict[str, Any]) -> str:
        duration = min(parameters.get("duration_sec", 10), 60)
        pid = parameters.get("pid")
        
        # Simulate eBPF collection (in reality you'd call bcc or libbpf)
        await asyncio.sleep(1)  # simulate work
        
        # Mock output
        events = [
            f"PID {pid or 'any'} called open() on /etc/passwd" if pid else "Multiple processes: open, read, write",
            "Memory allocation: 4096 bytes",
            "Network connect to 1.1.1.1:443"
        ]
        return "\n".join(events[:duration//10+1])  # simple scaling
