import type { NextRequest } from 'next/server';
import type { IService } from 'soma-core';
import { AiAssistantRuntime } from '../../../domain/ai-assistant/AiAssistantRuntime';
import { aiErrorResponse, aiSuccessResponse } from '../../../domain/ai-shared/AiResponse';
import { readRequestOrigin } from '../../common/RequestOrigin';
import { runService } from '../../common/ServiceRuntime';

/**
 * 助手工具的展示元数据:只回「工具名 → 三态文案」。
 *
 * 刻意不回入参结构、绑定路径、来源工具包等任何实现细节——这是给 Widget 显示
 * "正在查订单…"用的,不是工具目录接口。延续助手的隐私纪律:对用户可见的一切
 * 都不暴露内部结构。
 */
export default class ToolsMetaService implements IService {
  async get(req: NextRequest): Promise<Response> {
    return runService(async () => {
      try {
        return aiSuccessResponse(
          await AiAssistantRuntime.getInstance().listToolDisplays(
            readRequestOrigin(req),
            req.signal,
          ),
        );
      } catch (error) {
        return aiErrorResponse(error);
      }
    });
  }
}