// ==UserScript==
// @name         NGA_parse_uid
// @version      0.21
// @author       Inazuma
// @match        https://nga.178.com/*
// @match        https://bbs.ngacn.cc/*
// @match        https://bbs.nga.cn/*
// @match        http://nga.178.com/*
// @match        http://bbs.nga.cn/*
// @match        http://bbs.ngacn.cc/*
// @grant        none
// @namespace    https://greasyfork.org/users/163468
// @description  在未登录/实名NGA时解析uid为用户名
// @downloadURL none
// ==/UserScript==

const pattern = 'nuke.php?func=ucp&uid=';
Object.values(document.querySelectorAll('a[href*="' + pattern + '"]')).map((v, i) => {
    const uid = v.href.split(pattern)[1];
    const xhr = new XMLHttpRequest();

    function parser() {

        const res = JSON.parse(this.responseText);
        //uid to username
        const username = res.result.username;
        v.innerText = username;

        //add avatar
        const avatarDiv = v.parentNode.parentNode;
        let avatar = res.result.avatar;
        if (avatar && (avatarDiv.childNodes[1].className === 'stat')) {
            if (avatar.indexOf("{") >= 0) {
                avatar = JSON.parse(avatar);
                avatar = avatar[parseInt(Math.random() * avatar.l) + ""];
            }
            if (avatar.indexOf("http") < 0 || avatar.indexOf("bbs") >= 0) {
                const file = avatar.match(/[0-9].*/)[0];
                let hex = parseInt(avatar.match(/[0-9]+/)[0]).toString(16);
                avatar = "http://img.ngacn.cc/avatars/2002/";
                while (hex.length < 9) {
                    hex = '0' + hex;
                }
                hex = hex.match(/.{1,3}/g);
                for (let i = hex.length - 1; i >= 0; i--) {
                    avatar = avatar + hex[i] + '/';
                }
                avatar += file;
            }
            const img = document.createElement('img');
            img.style.maxWidth = '280px';
            img.style.margin = '5px auto';
            img.style.borderRadius = '50%';
            img.setAttribute('src', avatar);
            avatarDiv.insertBefore(img, avatarDiv.childNodes[1]);
        }
    }
    xhr.addEventListener("load", parser);
    xhr.open('GET', '/nuke.php?uid=' + uid + '&__output=12&__act=get&__lib=ucp');
    xhr.send();
});

Object.values(document.querySelectorAll('a[href="被禁止的链接"]')).map((v, i) => {
    let link;
    if (v.parentNode.className !== 'nobr') {
        link = v.previousElementSibling.firstChild.innerText.replace(/<[^>]+>/g, '');
        v.setAttribute('href', link);
        v.innerText = v.innerText.replace(/被禁止的链接/g, link);
    } else {
        link = v.parentNode.parentNode.firstChild.innerText.replace(/<[^>]+>/g, '');
        v.setAttribute('href', link);
    }
});