// ==UserScript==
// @name         北理工乐学增强
// @namespace    YinTianliang_i
// @version      0.2
// @description  增强北理工乐学的功能
// @author       Yin Tianliang
// @include      *//online.bit.edu.cn/moodle/course/view.php*
// @grant        none
// @downloadURL none
// ==/UserScript==

/*jshint esversion: 6 */

problem_list = document.getElementsByClassName("activity programming modtype_programming");

if (!localStorage.AC) {
    window.localStorage.AC = "";
}

for (let problem of problem_list) {
    let problem_id = problem.id.split("-")[1];
    let dstDiv = problem.firstChild.firstChild.firstChild;

    //有些题目没有没对齐不能忍
    if (dstDiv.className == "mod-indent") {
        dstDiv.className += " mod-indent-1";
    }

    if (window.localStorage.AC.indexOf(problem_id) == -1) {
        $.post(`http://online.bit.edu.cn/moodle/mod/programming/result.php?id=${problem_id}`,
            null, res => {
                matches = res.match(/未能通过的有 *(\d)* *个/);
                if (matches) {
                    if (matches[1] == "0") {
                        window.localStorage.AC += "|" + problem_id;
                        dstDiv.innerHTML = '<div style="color:green"><b>AC</b></div>';
                    } else {
                        dstDiv.innerHTML = '<div style="color:red"><b>WA</b></div>';
                    }
                }
            });
    } else {
        dstDiv.innerHTML = '<div style="color:green"><b>AC</b></div>';
    }
}

// 增加 "自己的AC数"
// 待优化
table = document.getElementsByClassName('generaltable')[1].children[1];
table.insertRow(0);
table.children[0].insertCell(0);
table.children[0].insertCell(1);
table.children[0].insertCell(2);
table.children[0].children[0].textContent = '0';
table.children[0].children[1].textContent = 'Your';
table.children[0].children[2].textContent = window.localStorage.AC.split('|').length;