/**
 * pi 进程参数。reasoning 只允许纯推理：不加载扩展，并用 --no-tools 关掉内置工具。
 * workspace 保持调用方给出的工具名单。未知 profile 失败关闭，不能退回读写工具。
 */

export const TOOL_PROFILE_WORKSPACE = "workspace";
export const TOOL_PROFILE_REASONING = "reasoning";

export function buildPiLaunchArgs({
  toolProfile,
  provider,
  model,
  systemPromptFile,
  extension,
  workspaceTools,
}) {
  const profile = String(toolProfile || "").trim() || TOOL_PROFILE_WORKSPACE;
  if (profile !== TOOL_PROFILE_WORKSPACE && profile !== TOOL_PROFILE_REASONING) {
    const err = new Error("unknown tool_profile");
    err.code = "UNKNOWN_TOOL_PROFILE";
    throw err;
  }

  const args = ["--mode", "rpc"];
  if (profile === TOOL_PROFILE_WORKSPACE && extension) {
    args.push("-e", extension);
  }
  args.push("--no-session", "--provider", provider, "--model", model);
  if (systemPromptFile) {
    args.push("--append-system-prompt", systemPromptFile);
  }
  if (profile === TOOL_PROFILE_REASONING) {
    args.push("--no-tools");
    return args;
  }
  args.push("--tools", workspaceTools || "read,write,edit", "--approve");
  return args;
}

const FORBIDDEN_REASONING_ARGV = ["read", "write", "edit", "search", "tavily"];

export function reasoningArgvLeaksTools(args) {
  const joined = args.join(" ").toLowerCase();
  return FORBIDDEN_REASONING_ARGV.some((word) => joined.includes(word));
}