// ==UserLibrary==
// @name         bw_learn_tool_api_lib
// @namespace    https://learn.baowugroup.com/
// @version      1.0.0
// @description  宝武学习平台 API 库
// @author       令狐不太冲
// @license      MIT
// ==/UserLibrary==

(function (window) {
    'use strict';

    var BW_BASE_URL = 'https://learn.baowugroup.com/learn-gateway/service/tms/ols';
    var BW_API = {
        publicCourses: BW_BASE_URL + '/student/queryPageOpenClass',
        zoneList: BW_BASE_URL + '/student/myClassPage',
        zoneCourses: BW_BASE_URL + '/onlineClassCourse/getOnlineClassCourseSortPage',
        courseScore: BW_BASE_URL + '/onlineClassCourse/finishInfo',
        getdetailCourse: BW_BASE_URL + '/onlineClassCourse/detailOnlineClassCourse',
        getCourseInfo: BW_BASE_URL + '/onlineClassCourse/getOnlineClassCourseInfo',
        saveCourseDetail: BW_BASE_URL + '/computeTask/saveComputeTask4StuCourseDetail'
    };

    function bwGetToken() {
        try { return JSON.parse(localStorage.getItem('userInfo')).accessToken || null; }
        catch (e) { return null; }
    }

    async function bwPost(url, data, token) {
        token = token || bwGetToken();
        if (!token) return { isSuccess: false };
        var resp = await fetch(url, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json;charset=UTF-8', 'token': token },
            body: JSON.stringify(data)
        });
        return resp.json();
    }

    var BWAPI = {
        version: '1.0.0',
        getToken: bwGetToken,

        fetchPublicCourses: async function(learnStatus, current, size) {
            learnStatus = learnStatus || ''; current = current || 1; size = size || 100;
            try {
                var r = await bwPost(BW_API.publicCourses, { current: current, size: size, data: { learnStatus: learnStatus, searchInfo: '', searchType: '1', sortClass: '1', sortType: 'desc' } });
                return (r.isSuccess && r.data && r.data.records) ? r.data.records : [];
            } catch (e) { return []; }
        },

        fetchZoneList: async function(learnStatus, current, size, classType) {
            learnStatus = learnStatus || ''; current = current || 1; size = size || 100; classType = classType || 'ZE0';
            try {
                var r = await bwPost(BW_API.zoneList, { current: current, size: size, data: { classType: classType, isLearnNum: '1', keyWord: '', lastLearnTime: '1', learnStatus: learnStatus, sortClass: '1', sortType: 'desc', status: '' } });
                return (r.isSuccess && r.data && r.data.records) ? r.data.records : [];
            } catch (e) { return []; }
        },

        fetchZoneCoursesDetail: async function(centerCode, olClassNo, olClassType) {
            var all = []; var current = 1;
            try {
                while (current <= 50) {
                    var r = await bwPost(BW_API.zoneCourses, { current: current, size: 1000, data: { centerCode: centerCode, courseName: '', courseTypeCode: '', isMine: '1', isRecursiveCourse: '1', olClassNo: olClassNo, olClassType: olClassType } });
                    if (!r.isSuccess || !r.data) break;
                    var records = r.data.records || [];
                    all = all.concat(records);
                    if (records.length < 1000) break;
                    current++;
                }
            } catch (e) {}
            return all;
        },

        fetchCourseScore: async function(centerCode, courseNo, olClassNo, tenantCode) {
            tenantCode = tenantCode || 'BSTA';
            try {
                var r = await bwPost(BW_API.courseScore, { centerCode: centerCode, courseNo: courseNo, olClassNo: olClassNo, tenantCode: tenantCode });
                if (r.isSuccess && r.data) {
                    var d = null;
                    if (r.data.details) {
                        for (var i = 0; i < r.data.details.length; i++) {
                            if (r.data.details[i].attributeCode === 'CE002') { d = r.data.details[i]; break; }
                        }
                    }
                    return { passScore: r.data.passScore, learnScore: r.data.learnScore, requiredDuration: d ? d.predValue : null, completedDuration: d ? d.finishValue : null };
                }
            } catch (e) {}
            return null;
        },

        fetchCourseScoreInVideoPage: async function(centerCode, courseNo, olClassNo, tenantCode) {
            tenantCode = tenantCode || 'BSTA';
            try {
                await bwPost(BW_API.saveCourseDetail, { classNo: olClassNo, courseNo: courseNo });
                var r = await bwPost(BW_API.courseScore, { centerCode: centerCode, courseNo: courseNo, olClassNo: olClassNo, tenantCode: tenantCode });
                if (r.isSuccess && r.data) {
                    var d = null;
                    if (r.data.details) {
                        for (var i = 0; i < r.data.details.length; i++) {
                            if (r.data.details[i].attributeCode === 'CE002') { d = r.data.details[i]; break; }
                        }
                    }
                    return { passScore: r.data.passScore, learnScore: r.data.learnScore, requiredDuration: d ? d.predValue : null, completedDuration: d ? d.finishValue : null };
                }
            } catch (e) {}
            return null;
        },

        fetchCourseInfoByVideoUrl: async function(centerCode, guid) {
            try {
                var d = await bwPost(BW_API.getdetailCourse, { centerCode: centerCode, guid: guid, stuClient: true });
                if (!d.isSuccess || !d.data) return null;
                var courseNo = d.data.courseNo;
                var olClassNo = d.data.olClassNo;
                if (!courseNo || !olClassNo) return null;
                var i = await bwPost(BW_API.getCourseInfo, { centerCode: centerCode, courseNo: courseNo, olClassNo: olClassNo });
                if (!i.isSuccess || !i.data) return null;
                return { courseName: i.data.courseName, centerCode: i.data.centerCode || centerCode, courseGuid: guid, olClassNo: olClassNo, courseNo: courseNo };
            } catch (e) { return null; }
        },

        enrichCoursesWithScores: async function(courses) {
            return Promise.all(courses.map(async function(c) {
                if (!c.centerCode || !c.courseNo || !c.olClassNo) return Object.assign({}, c, { score: null });
                try { return Object.assign({}, c, { score: await BWAPI.fetchCourseScore(c.centerCode, c.courseNo, c.olClassNo) }); }
                catch (e) { return Object.assign({}, c, { score: null }); }
            }));
        }
    };

    window.BWAPI = BWAPI;
})(typeof unsafeWindow !== 'undefined' ? unsafeWindow : window);