from __future__ import annotations

from app.core.contracts import ToolResult, UserTask
from app.tools.base import BaseTool
from app.tools.sandbox import ToolSandbox


class Tool(BaseTool):
    name = "file_write"
    description = "Write content to file"

    def __init__(self, sandbox: ToolSandbox) -> None:
        self._sandbox = sandbox

    def execute(self, task: UserTask, args: dict[str, object]) -> ToolResult:
        path = args.get("path")
        content = str(args.get("content", ""))
        if not path:
            return ToolResult(tool=self.name, ok=False, error="Missing path")
        try:
            resolved = self._sandbox.ensure_path_allowed(str(path))
            resolved.parent.mkdir(parents=True, exist_ok=True)
            resolved.write_text(content, encoding="utf-8")
            return ToolResult(
                tool=self.name,
                ok=True,
                output=f"Wrote {len(content)} bytes",
                metadata={"path": str(resolved), "size": len(content)},
            )
        except PermissionError as e:
            return ToolResult(tool=self.name, ok=False, error=f"Access denied: {e}")
        except Exception as e:
            return ToolResult(tool=self.name, ok=False, error=f"Error: {e}")