import type {
  BridgeConnectionConfig,
  KernelToHostMessage,
} from "../../bridge/protocol.ts";
import type { SubprocessSpawn } from "./subprocess-process.ts";

export interface KernelRunInput {
  readonly cellId: string;
  readonly code: string;
  readonly strings?: Readonly<Record<string, string>>;
  readonly timeoutMs?: number;
}

export type KernelResult = Extract<KernelToHostMessage, { type: "result" }>;
export type ToolCallMessage = Extract<
  KernelToHostMessage,
  { type: "tool-call" }
>;

export interface SubprocessKernelOptions {
  readonly args: readonly string[];
  readonly command: string;
  readonly connection: BridgeConnectionConfig;
  readonly cwd?: string;
  readonly env?: NodeJS.ProcessEnv;
  readonly onMessage?: (message: KernelToHostMessage) => void;
  readonly sessionId: string;
  readonly spawn?: SubprocessSpawn;
}