// ==UserScript==
// @name         获取所有磁力链地址
// @namespace    https://bbs.tampermonkey.net.cn/
// @version      0.2.2
// @description  try to take over the world!
// @author       sjbwylbs
// #@require-css   https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.3.1/css/bootstrap.min.css
// #@require-css   https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css
// @match        *://*.ai66.cc/*
// @match        *://*.66s6.net/*
// @match        *://*.xb6v.com/*
// #@match        https://*
// @run-at       document-end

// ==/UserScript==

(function () {
    'use strict';

    let container;
    var domHead = document.getElementsByTagName('head')[0];

    var domStyle = document.createElement('style');

    // domStyle.type = 'text/css';

    domStyle.rel = 'stylesheet';

    function initStyle() {
        let css = `
            .fixed-btn {
            position: fixed;
            text-align: right;
            right: 0;
            bottom: 44%;
            width: 44px;
            z-index: 1040;
            cursor: pointer;
            }
            .modal {
              --bs-modal-width: '';
            }
        `
        
        var domBootstrapStyle = document.createElement('link');
        domBootstrapStyle.rel = 'stylesheet';
        domBootstrapStyle.href = 'https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css';
        domBootstrapStyle.integrity = 'sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN';
        domBootstrapStyle.crossOrigin = 'anonymous';

        var domBootstrapIconStyle = document.createElement('link');
        domBootstrapIconStyle.rel = 'stylesheet';
        domBootstrapIconStyle.href = 'https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css';

        var domBootstrapScript = document.createElement('script');
        domBootstrapScript.src = 'https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js';
        domBootstrapScript.integrity = 'sha384-C6RzsynM9kWDrMNeT87bh95OGNyZPhcTNXj1NW7RuBCsyN/o0jlpcV8Qyq46cDfL';
        domBootstrapScript.crossOrigin = 'anonymous';

        domHead.appendChild(domBootstrapStyle);
        domHead.appendChild(domBootstrapIconStyle);
        domStyle.appendChild(document.createTextNode(css));
        domHead.appendChild(domStyle);
        domHead.appendChild(domBootstrapScript);
    }

    function invert() {
        const unchecks = container.querySelectorAll("[type=checkbox]:not(:checked)");
        const checks = container.querySelectorAll("[type=checkbox]:checked");

        unchecks.forEach(t => t.checked = true);
        checks.forEach(t => t.checked = false);
    }

    function all() {
        const alls = container.querySelectorAll("[type=checkbox]");
        alls.forEach(t => t.checked = true);
    }

    function copyToClipboard(textToCopy) {
        console.log(textToCopy);
        // navigator clipboard 需要https等安全上下文
        if (navigator.clipboard && window.isSecureContext) {
            // navigator clipboard 向剪贴板写文本
            return navigator.clipboard.writeText(textToCopy);
        } else {
            // 创建text area
            let textArea = document.createElement("textarea");
            textArea.value = textToCopy;
            // 使text area不在viewport，同时设置不可见
            textArea.style.position = "absolute";
            textArea.style.opacity = 0;
            textArea.style.left = "-999999px";
            textArea.style.top = "-999999px";
            document.body.appendChild(textArea);
            textArea.focus();
            textArea.select();
            return new Promise((res, rej) => {
                // 执行复制命令并移除文本框
                document.execCommand('copy') ? res() : rej();
                textArea.remove();
            });
        }
    }

    function copy() {
        const checks = container.querySelectorAll("[type=checkbox]:checked");
        if (checks.length) {
            let s = "";
            checks.forEach(t => {
                s += t.dataset.url + '\n\r';
            });

            copyToClipboard(s).then(()=> alert("复制成功"), () => alert("复制失败"));
            
        } else {
            alert("没有选择！");
        }
    }
    const fixedButton = () => `
        嗅探
    `
    const model = (content) => `
        <div class="modal-dialog modal-dialog-centered">
            <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title">嗅探结果如下：请选择复制</h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body">
                        ${content}
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                        <button type="button" class="btn btn-primary" id="selectAll">全选</button>
                        <button type="button" class="btn btn-secondary" id="invertSelect">反选</button>
                        <button type="button" class="btn btn-danger" id="copySelect">复制</button>
                    </div>
            </div>
        </div>`;
    let template = (index, content, url) =>
        `<input id="mg${index}" class="form-check-input" type="checkbox" value="${content}" data-url="${url}"/><label for="mg${index}" class="form-check-label">${content}</label>`

    function initLinks() {
        const links = document.querySelectorAll('a[href^=magnet],a[href^=ed2k]')
        let s = '';
        if (links.length) {

            links.forEach((t, i) => {
                s += template(i, t.textContent, t.href);
            });

            container = document.createElement('div');
            container.className = "modal fade";
            container.id = "SNIFFERS_ROOT";
            container.innerHTML = model(s);
            container.dataset.bsBackdrop = 'static';
            container.dataset.bsKeyboard = true;

            document.body.appendChild(container);

            document.querySelector('#selectAll').addEventListener('click', all);
            document.querySelector('#invertSelect').addEventListener('click', invert);
            document.querySelector('#copySelect').addEventListener('click', copy);
        }
    }

    function init() {
        const snifferBtn = document.createElement('div');
        snifferBtn.className = 'btn btn-primary fixed-btn';
        snifferBtn.dataset.bsToggle="modal";
        snifferBtn.dataset.bsTarget="#SNIFFERS_ROOT"

        snifferBtn.innerHTML = fixedButton();
        document.body.appendChild(snifferBtn);
    }

    initStyle();
    init();
    initLinks();

})();