import { tool } from "../tool.js";
import { getInternalBridgeConfig } from "../internalBridge.js";

export default tool({
  description:
    "管理长期有效的用户偏好或项目事实。支持 add/list/replace/remove。add 前必须先对同 scope 执行 list 并阅读现有记忆，再决定 add、replace 或 remove；不要跳过读取直接新增。禁止写入 token、password、secret、system prompt 或一次性上下文。scope 仅允许 'user' 或 'workspace'。",
  args: {
    action: tool.schema
      .enum(["add", "list", "replace", "remove"])
      .describe("Memory operation to perform."),
    reason: tool.schema
      .string()
      .describe("Why this memory should be persisted for future requests."),
    scope: tool.schema
      .string()
      .describe(
        "Required exact keyword. Use only 'user' for user-level durable preferences/constraints, or 'workspace' for project/environment durable facts. Do not use 'project', Chinese labels, or any alias.",
      ),
    content: tool.schema
      .string()
      .optional()
      .describe(
        "The durable fact or preference to remember, written as one concise sentence.",
      ),
    target_id: tool.schema
      .string()
      .optional()
      .describe("Stable memory entry id used by replace/remove."),
  },
  async execute(args, context) {
    const { baseUrl, internalToken } = getInternalBridgeConfig();
    const response = await fetch(`${baseUrl}/internal/tools/memory-manager`, {
      method: "POST",
      headers: { "Content-Type": "application/json", "x-agent-internal-token": internalToken },
      body: JSON.stringify({ session_id: context.sessionID, input: args }),
    });
    const text = await response.text();
    if (!response.ok) throw new Error(`learning tool failed (${response.status}): ${text}`);
    return text;
  },
});