const mujianSdk = new window.MujianUMD.MujianSdk();

async function chat(
    query,
    cb,
) {
    let lastChunk = '';
    // 让缓冲区跨回调持久，防止分包导致的半行重复解析
    let buffer = '';
    await mujianSdk.ai.chat.complete(query, (data) => {

        // data 可能是块状字符串；避免逐字符遍历
        buffer += data;
        const lines = buffer.split('\n');
        buffer = lines.pop() || '';

        for (const line of lines) {
            if (!line.startsWith('data: ')) continue;
            const payload = line.slice(6);
            try {
                const parsedData = JSON.parse(payload);
                if (parsedData?.isFinished) {
                    // 结束标志，交给外层 await 完成
                    continue;
                }

                let content = parsedData?.choices?.[0]?.delta?.content;
                //   if (content && typeof window !== 'undefined') {
                //     const username = localStorage.getItem(USERNAME_KEY) || 'User';
                //     content = content?.replace(new RegExp(FAKE_USERNAME, 'g'), username);
                //   }

                if (content !== undefined && content !== null) {
                    if (content.length > 0) {
                        lastChunk += content;
                        cb && cb(lastChunk);
                    }
                } else {
                    console.error('data', payload);
                }
            } catch (error) {
                console.log('error', error);
                throw error;
            }
        }
    });


    //   console.log('lastChunk', lastChunk);
    return lastChunk;
}


mujianSdk.init().then(() => {
    chat('你好', (res) => {
        // console.log('res', res)
        $('#message').text(res);
    })
});