from __future__ import annotations

import json
import logging
import os
from typing import Any, Dict

from .registry import ToolRegistry


logger = logging.getLogger("agent_tools.runtime")


class ToolRuntime:
    def __init__(self, registry: ToolRegistry, project_dir: str) -> None:
        self.registry = registry
        self.project_dir = project_dir

    def execute(self, name: str, arguments: Dict[str, Any]) -> str:
        spec = self.registry.get(name)
        if not spec:
            return json.dumps({"error": f"Unknown tool: {name}"})
        try:
            result = spec.handler(arguments)
            return result
        except Exception as e:
            logger.exception("Tool %s failed", name)
            return json.dumps({"error": str(e)})