// ==UserScript==
// @name         bw_learn_tool_api
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  bw learn tool api lib
// @author       jinxhcn
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function () {
    'use strict';

    const BASE_CONFIG = {
        API_queryPageOpenClass: 'https://learn.baowugroup.com/learn-gateway/service/tms/ols/student/queryPageOpenClass',
        STORAGE_KEY_USER_INFO: 'userInfo',
    };

    /**
     * 通用 POST 请求
     */
    const postRequest = async (url, data, headers = {}) => {
        const response = await fetch(url, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json;charset=UTF-8',
                ...headers
            },
            body: JSON.stringify(data)
        });
        if (!response.ok) throw new Error(`POST 请求失败: ${response.status}`);
        return response.json();
    };

    /**
     * 获取 token
     */
    const getToken = () => {
        try {
            const userInfo = JSON.parse(localStorage.getItem(BASE_CONFIG.STORAGE_KEY_USER_INFO));
            return userInfo?.accessToken ?? null;
        } catch {
            return null;
        }
    };

    /**
     * 获取公开课列表（学习中）
     * @returns {Promise<Array>} 课程列表 [{centerCode, guid, courseName}]
     */
    const fetchLearningCourses = async () => {
        const token = getToken();
        if (!token) {
            console.warn('[API库] 未获取到 token');
            return [];
        }
        try {
            const result = await postRequest(
                BASE_CONFIG.API_queryPageOpenClass,
                {
                    current: 1,
                    data: {
                        learnStatus: '1',
                        searchInfo: '',
                        searchType: '1',
                        sortClass: '1',
                        sortType: 'desc'
                    },
                    size: 10
                },
                { token }
            );
            if (result?.isSuccess && result.data?.records) {
                return result.data.records.map(record => ({
                    centerCode: record.centerCode,
                    guid: record.courseGuid,
                    courseName: record.courseName
                }));
            }
            return [];
        } catch (error) {
            console.error('[API库] 获取课程失败:', error);
            return [];
        }
    };

    // 暴露到全局
    const BWAPI = {
        fetchLearningCourses,
        getToken,
        // 可继续添加其他 API 方法
    };

    // 挂载到 unsafeWindow，主脚本通过 unsafeWindow.BWAPI 访问
    if (typeof unsafeWindow !== 'undefined') {
        unsafeWindow.BWAPI = BWAPI;
    } else {
        window.BWAPI = BWAPI;
    }
})();