const tools = {
        sleep: t => new Promise(res => setTimeout(res, t)),// 箭头函数体只有一句，可以省略return
        net: {
            change: (str, withCookie, autoFollow302) => {
                str = str.trim(); //去除文本首位\s
                let method = str.match(/(.*?)\s/)[1];
                let url = str.match(/\s(.*?)\s/)[1];
                str = str.replace(/.*?\n/, ''); //去除第一行
                let data = /\n\s*\n\s*(.*)$/m.test(str) ? str.slice(str.match(/\n\s*\n\s*(.*)$/m).index).trim() : ''; //获取请求体，没有则返回'', 用slice截取防止请求体含有\n时出错
                str = str.replace(new RegExp(data), '').trim(); //去除data
                str = str.replace(/^(\s*?)(\S.*)/gm, `$2`); //去除每行行首的\s
                str = str.replace(/\sContent-Length:.*/im, ''); //去除Content-Length所在行，不用/^\sContent-Length:./im, 这样做会多一个空白行避免一些问题
                str = str.replace(/\sHOST.*/im, ''); //去除host可以避免请求为302时后续自动跟随的问题
                str = withCookie ? str : str.replace(/\s*cookie:.*/im, '')	//去除cookie所在行，不用/^\s*cookie.*/im, 这样做会多一个空白行
                str = str.replace(/\sHOST.*/im, '');

                if (!autoFollow302) {
                    str = str.replace(/\sReferer.*/im, '');
                    str = str.replace(/\sOrigin.*/im, '');
                    str = str.replace(/\scache-control.*/im, '');

                }
                let headers = {}, h = str.match(/(\S*?):\s*(\S.*)/mg);
                // GM_log(h)

                h.forEach(e => {
                    let t = e.match(/(\S*?):\s*(.*)/);
                    headers[t[1]] = t[2].replace(/\s*$/, '');//去除行尾\s，避免一下总没错吧
                });

                //去除浏览器默认携带的请求头
                // if (!/dnt/i.test(str)) headers.dnt = '';
                // //if (!/accept/i.test(str)) headers.accept='';
                // if (!/user-agent/i.test(str)) headers['user-agent'] = '';
                // if (!/sec-ch-ua/i.test(str)) headers['sec-ch-ua'] = '';
                // if (!/sec-ch-ua-mobile/i.test(str)) headers['sec-ch-ua-mobile'] = '';
                // if (!/sec-ch-ua-platform/i.test(str)) headers['sec-ch-ua-platform'] = '';
                // if (!/sec-fetch-dest/i.test(str)) headers['sec-fetch-dest'] = '';
                // if (!/sec-fetch-mode/i.test(str)) headers['sec-fetch-mode'] = '';
                // if (!/sec-fetch-site/i.test(str)) headers['sec-fetch-site'] = '';
                // //if (!/accept-language/i.test(str)) headers['accept-language']='';
                // if (!/accept-encoding/i.test(str)) headers['accept-encoding'] = '';

                return { url, method, data, headers }
            },
        },
        waitForSpecificTime: async (expectedTime, timestamp) => {
            if (timestamp == undefined) {
                timestamp = await tools.net.send(`
                GET https://time.is/t/?zh.0.347.2464.0p.480.43d.1574683214663.1594044507830. HTTP/1.1
                `, onload = (xhr => {
                    let timestamp = xhr.response.substring(0, 13);
                    console.log(`timestamp: ${timestamp}`);
                    return timestamp
                }), anonymous = true, withCookie = true);
            }


            // 定义一个将 HH:mm:ss 格式的时间字符串转换为今日的 Date 对象的函数
            const parseTimeToTodayDate = (timeString) => {
                const now = new Date();
                const [hours, minutes, seconds] = timeString.split(':').map(Number);
                return (new Date(now.getFullYear(), now.getMonth(), now.getDate(), hours, minutes, seconds)).getTime()
            };

            // 计算预期执行时间与当前时间的差异（毫秒）
            const currentTime = timestamp;
            const expectedDateTime = parseTimeToTodayDate(expectedTime);
            const millisecondsToWait = expectedDateTime - currentTime;
            (typeof GM_log === "function" ? GM_log : console.log)('脚本启动......');
            // 如果当前时间小于预期时间，则等待差异时间
            if (millisecondsToWait > 0) {
                (typeof GM_log === "function" ? GM_log : console.log)(`等待 ${millisecondsToWait / 1000} 秒后执行脚本......`);
                await new Promise(resolve => setTimeout(resolve, millisecondsToWait));
            } else {
                (typeof GM_log === "function" ? GM_log : console.log)('立即执行脚本');
            }
        },
    };
    tools.net.send = (str, onload = (xhr => xhr), anonymous = false, withCookie = false, autoFollow302 = true) => {
        let t = tools.net.change(str, withCookie, autoFollow302);
        return new Promise((resolve, reject) => {
            t.anonymous = anonymous;
            t.onload = (xhr) => {
                resolve(onload(xhr))
            };
            t.onerror = _ => { console.log(_);GM_log('some errors:' + _) };
            t.onreadystatechange = _ => {
                if (_.status == 0) resolve('联系服务器之前发生了错误')
            }
            GM_xmlhttpRequest(t)
        })
    };

{
    "DONE": 4,
    "HEADERS_RECEIVED": 2,
    "LOADING": 3,
    "OPENED": 1,
    "UNSENT": 0,
    "RESPONSE_TYPE_TEXT": "text",
    "RESPONSE_TYPE_ARRAYBUFFER": "arraybuffer",
    "RESPONSE_TYPE_BLOB": "blob",
    "RESPONSE_TYPE_DOCUMENT": "document",
    "RESPONSE_TYPE_JSON": "json",
    "RESPONSE_TYPE_STREAM": "stream",
    "error": "Failed to execute 'fetch' on 'WorkerGlobalScope': Request with GET/HEAD method cannot have body.",
    "readyState": 4,
    "response": null,
    "responseHeaders": "",
    "responseText": "",
    "status": 0,
    "statusText": ""
}

tools.net.send = (str, onload = (xhr => xhr), anonymous = false, withCookie = false, autoFollow302 = true) => {
  let t = tools.net.change(str, withCookie, autoFollow302);

  // ✅ 关键：GET/HEAD 不要传 data（哪怕是 ''）
  if (/^(GET|HEAD)$/i.test(t.method) && (t.data === '' || t.data == null)) {
    delete t.data;
  }

  return new Promise((resolve, reject) => {
    t.anonymous = anonymous;
    t.onload = (xhr) => resolve(onload(xhr));
    t.onerror = _ => { console.log(_); (typeof GM_log === "function" ? GM_log : console.log)('some errors:' + JSON.stringify(_, null, 2)); };
    t.onreadystatechange = _ => {
      if (_.status == 0) resolve('联系服务器之前发生了错误')
    }
    GM_xmlhttpRequest(t);
  });
};

t.onreadystatechange = _ => {
    if (_.status == 0) resolve('联系服务器之前发生了错误')
}