import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";

export function toolOk(data: unknown): CallToolResult {
  return {
    content: [
      {
        type: "text",
        text: JSON.stringify({ ok: true, data }, null, 2),
      },
    ],
  };
}

export function toolErr(message: string): CallToolResult {
  return {
    content: [
      {
        type: "text",
        text: JSON.stringify({ ok: false, error: message }, null, 2),
      },
    ],
    isError: true,
  };
}

export function toolCatch(err: unknown): CallToolResult {
  const message = err instanceof Error ? err.message : String(err);
  return toolErr(message);
}