import { defineWrappedResponseHandler } from "#server/utils/handler";
import { R } from "#server/utils/response";
import { getCurrentUser } from "#server/utils/context";
import { getAgentBySlugAny, updateAgent, type UpdateAgentInput } from "#server/service/agent/agent";

export default defineWrappedResponseHandler(async (event) => {
  const user = await getCurrentUser(event);
  if (!user || user.role !== "admin") {
    return R.error("仅管理员可更新 agent", null);
  }

  const agentSlug = getRouterParam(event, "agentSlug");
  if (!agentSlug) {
    return R.error("参数无效", null);
  }

  const existing = await getAgentBySlugAny(agentSlug);
  if (!existing) {
    return R.error("agent 不存在", null);
  }

  const body = await readBody(event);
  const { slug, name, description, systemPrompt, defaultModelId, titleModelId, titleStrategy, enableThinking, enableTools, maxStepCount, isDefault, isCallable, sortOrder, enabled, toolIds } = body as UpdateAgentInput;

  try {
    const updated = await updateAgent(existing.id, {
      slug,
      name,
      description,
      systemPrompt,
      defaultModelId,
      titleModelId,
      titleStrategy,
      enableThinking,
      enableTools,
      maxStepCount,
      isDefault,
      isCallable,
      sortOrder,
      enabled,
      toolIds,
    });
    return R.success(updated);
  } catch (e) {
    return R.error(e instanceof Error ? e.message : String(e), null);
  }
});