module.exports = {
  main: async (event) => {
    let { data = {} } = event;
    const COZE_TOKEN = 'sat_OiXlI4Da5Q99fxmul6pNfExmA6hR898UbxBDwrvjZ638APxRSlFnXbz6zyFedKNG';
    const { chat_id, conversation_id } = data;

    if (!chat_id || !conversation_id) return { code: -1, msg: '参数不完整' };

    // 查询对话状态
    const statusRes = await uniCloud.httpclient.request(
      'https://api.coze.cn/v3/chat?chat_id=' + chat_id + '&conversation_id=' + conversation_id + '&bot_id=7689821072762011698',
      { method: 'GET', dataType: 'text', headers: { 'Authorization': 'Bearer ' + COZE_TOKEN }, timeout: 15000 }
    );

    let status = 'unknown';
    try {
      const parsed = JSON.parse(statusRes.data);
      status = parsed.data && parsed.data.status;
    } catch (e) {}

    if (status !== 'completed') {
      return { code: 0, data: { status } };
    }

    // 获取消息
    const msgRes = await uniCloud.httpclient.request(
      'https://api.coze.cn/v3/chat/message/list?chat_id=' + chat_id + '&conversation_id=' + conversation_id,
      { method: 'GET', dataType: 'text', headers: { 'Authorization': 'Bearer ' + COZE_TOKEN }, timeout: 15000 }
    );

    let answer = '';
    try {
      const parsed = JSON.parse(msgRes.data);
      const messages = parsed.data;
      if (Array.isArray(messages)) {
        for (const m of messages) {
          if (m.type === 'answer' && m.role === 'assistant') {
            answer = m.content;
            break;
          }
        }
      }
    } catch (e) {}

    return { code: 0, data: { status: 'completed', answer } };
  }
};