// ==UserScript==
// @name         2FA TOTP
// @namespace    2FA TOTP
// @version      0.1.0
// @description  脚本猫后台脚本，一键计算2FA TOTP TOKEN
// @author       DreamNya
// @require      https://jiangts.github.io/JS-OTP/dist/jsOTP.min.js#sha256-kduNB64Frzc2wd/FnTAUL1dRIvGOqPwsBlb0Su29Z5w=
// @grant        GM_setClipboard
// @grant        GM_notification
// @grant        GM_getValue
// @grant        CAT_userConfig
// @background
// ==/UserScript==
/* ==UserConfig==
TOTP设置:
  Clipboard:
    title: 是否自动复制TOTP到剪贴板
    default: '复制'
    type: select
    values: ['复制','不复制']
  Notify:
    title: 是否通知TOTP结果
    default: '通知'
    type: select
    values: ['通知','不通知']
  NotifyTitle:
    title: 通知标题
    description: 可选，留空代表默认标题
    type: text
  NotifyTimeout:
    title: 通知持续时间
    description: 默认5000ms，最小1000ms
    type: number
    default: 5000
    min: 1000
    unit: ms
  Secret:
    title: TOTP Secret Key
    description: 明文存储在脚本猫本地，脚本无任何通讯功能
    type: text
 ==/UserConfig== */

const userConfig = {};
Object.entries(GM_info.userConfig).forEach(([mainKey, configs]) => {
    Object.entries(configs).forEach(([subKey, { default: defaultValue, type }]) => {
        const value = GM_getValue(`${mainKey}.${subKey}`, defaultValue);
        if (type == "select") {
            userConfig[subKey] = value == defaultValue;
        } else {
            userConfig[subKey] = value;
        }
    });
});

userConfig.FormatNotifyTitle = (userConfig.NotifyTitle ? userConfig.NotifyTitle : "") + " TOTP ";

return new Promise((resolve, reject) => {
    try {
        const totp = new jsOTP.totp();
        const timeCode = totp.getOtp(userConfig.Secret);

        userConfig.Clipboard && GM_setClipboard(timeCode);

        userConfig.Notify &&
            GM_notification({
                title: userConfig.FormatNotifyTitle + (userConfig.Clipboard ? "已复制" : ""),
                text: timeCode,
                timeout: userConfig.NotifyTimeout,
            });

        resolve();
    } catch (err) {
        console.error(err);
        GM_notification({
            title: userConfig.FormatNotifyTitle + "错误",
            text: err.message,
        });

        reject(err.message);
    }
});