// ==UserScript==
// @name         b站开播助手
// @author       醒悦哥哥
// @description  绕过b站强制直播姬开播限制，修复OBS无法获取推流码的问题
// @version      1.0.1
// @match        https://link.bilibili.com/p/center/index*
// @grant        none
// @icon         https://jujufatu.com/file/90dca92bc72742cc08214.png
// ==/UserScript==

(function() {
    'use strict';

    // 拦截XMLHttpRequest的open方法
    const originalOpen = XMLHttpRequest.prototype.open;
    XMLHttpRequest.prototype.open = function(method, url) {
        // 检查是否是目标请求
        if (method === 'POST' && url.includes('room/v1/Room/startLive')) {
            // 拦截send方法以修改请求参数
            const originalSend = this.send;
            this.send = function(data) {
                // 将FormData转换为对象
                const formData = new URLSearchParams(data);
                const formDataObj = Object.fromEntries(formData.entries());

                // 修改platform参数
                formDataObj['platform'] = 'mobile';

                // 将对象转换回FormData
                const newFormData = new URLSearchParams(formDataObj).toString();

                // 调用原始的send方法
                originalSend.call(this, newFormData);
            };
        }
        originalOpen.apply(this, arguments);
    };
})();