// ==UserScript==
// @name            HB_Screenshots
// @name:zh-CN      HB截图助手
// @namespace       https://blog.chrxw.com
// @supportURL      https://blog.chrxw.com/scripts.html
// @contributionURL https://afdian.net/@chr233
// @version         1.5
// @description     一键生成密钥截图
// @description:zh-CN  一键生成密钥截图
// @author          Chr_
// @icon            https://blog.chrxw.com/favicon.ico
// @require         https://cdn.jsdelivr.net/gh/chr233/GM_Scripts@30e200849c5b913355ab6869b040eb7367ec20a7/Lib/html2canvas.js
// @include         /https:\/\/www\.humblebundle\.com\/downloads\?key=\S+/
// @grant           GM_setClipboard
// @downloadURL none
// ==/UserScript==

(() => {
    'use strict';
    // 初始化
    const GObjs = {};
    let GTimer = 0;
    (() => {
        addGUI();
        GTimer = setInterval(() => {
            waitLoading();
        }, 500);
    })();
    function addGUI() {
        function genBtn(txt, foo) {
            const b = document.createElement('button');
            b.textContent = txt;
            b.addEventListener('click', foo);
            b.style.cssText = 'font-size: 10px;margin: 2px;';
            return b;
        }
        const divBtns = document.createElement('div');

        const btnScraper = genBtn('一键刮Key', scraperKeys);
        divBtns.appendChild(btnScraper);

        const btnGenImg = genBtn('生成截图(右键可以复制)', genImage);
        divBtns.appendChild(btnGenImg);

        const btnCopyTxt = genBtn('复制纯文本', copyTxt);
        divBtns.appendChild(btnCopyTxt);

        const btnCopyCSV = genBtn('复制CSV', copyCSV);
        divBtns.appendChild(btnCopyCSV);

        const btnCopyMD = genBtn('复制Markdown', copyMD);
        divBtns.appendChild(btnCopyMD);

        const divCnv = document.createElement('div');
        divCnv.style.cssText = 'max-height: 200px;overflow: scroll;';
        divCnv.style.display = 'none';

        const title = document.querySelector('#hibtext');
        title.appendChild(divBtns);
        title.appendChild(divCnv);

        Object.assign(GObjs, { divCnv });
    }
    function waitLoading() {
        if (document.querySelector('div.key-list h4') != null) {
            clearInterval(GTimer);
            addRemover();
        }
    }
    function addRemover() {
        function genBtn(ele) {
            const b = document.createElement('button');
            b.className = 'hb_sc';
            b.addEventListener('click', () => { ele.innerHTML = ''; });
            b.textContent = '×';
            b.style.cssText = 'position: relative;left: -30px;top: -100px;';
            return b;
        }
        const keys = document.querySelectorAll('div.key-list>div');
        if (keys) {
            keys.forEach(ele => {
                const btn = genBtn(ele);
                ele.appendChild(btn);
            });
        }
    }
    async function genImage() {
        const { divCnv } = GObjs;
        const steam = document.querySelector('.sr-user');
        const helps = document.querySelectorAll('div[class="key-container wrapper"]>div>p');
        const btns = document.querySelectorAll('button.hb_sc');
        if (btns || btns.length > 0) {
            if (steam) { steam.style.display = 'none'; }
            if (helps) { helps.forEach(ele => { ele.style.display = 'none'; }); }

            divCnv.style.display = '';
            const keyArea = document.querySelector('div[class="key-container wrapper"]');
            var canvas = await html2canvas(keyArea, {});
            divCnv.innerHTML = '';
            divCnv.appendChild(canvas);

            if (steam) { steam.style.display = ''; }
            if (helps) { helps.forEach(ele => { ele.style.display = ''; }); }
        } else {
            alert('Key列表为空?\n或许是卡DOM了，刷新一下即可。');
        }
    }
    function parseKeys() {
        const data = [];
        const keys = document.querySelectorAll('div.key-list>div');
        if (keys) {
            keys.forEach(ele => {
                const title = ele.querySelector('h4');
                const key = ele.querySelector('div.keyfield-value');
                if (title != null && key != null) {
                    data.push([title.textContent.trim(), key.textContent]);
                } else {
                    console.log(title, key);
                }
            });
        }
        return data;
    }
    function scraperKeys() {
        const btns = document.querySelectorAll('[class="js-keyfield keyfield  enabled"]');
        let i = 0;
        let t = setInterval(() => {
            if (i < btns.length) {
                btns[i++].click();
            } else {
                clearInterval(t);
            }
        }, 200);
    }
    function copyTxt() {
        const data = parseKeys();
        const list = [];
        data.forEach(([title, key]) => {
            list.push(`${title}  ${key}`);
        });
        setClipboard(list.join('\n'));
        alert('复制成功');
    }
    function copyCSV() {
        const data = parseKeys();
        const list = [];
        list.push('游戏名,Key');
        data.forEach(([title, key]) => {
            list.push(`${title},${key}`);
        });
        setClipboard(list.join('\n'));
        alert('复制成功');
    }
    function copyMD() {
        const data = parseKeys();
        const list = [];
        list.push('|游戏名|Key|');
        list.push('|-|-|');
        data.forEach(([title, key]) => {
            list.push(`|${title}|${key}|`);
        });
        setClipboard(list.join('\n'));
        alert('复制成功');
    }
    function setClipboard(data) {
        GM_setClipboard(data, { type: 'text', mimetype: 'text/plain' })
    }
})();