// ==UserScript==
// @name         Edge商店下载zip插件
// @description  从Edge扩展商店获取zip格式的插件，用于安装到chrome上
// @namespace    Sency
// @author       Sency
// @version      1.1
// @match        http*://microsoftedge.microsoft.com/addons/*
// @require      https://scriptcat.org/lib/513/2.1.0/ElementGetter.js
// @grant        GM_xmlhttpRequest
// @connect      microsoft.com
// @run-at       document-idle
// @nocompat     Chrome
// ==/UserScript==

/* global elmGetter  */
(function() {
    'use strict';
    //下载文件（GM_download会将后缀改回crx）
    function download(url, filename) {
        return new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                url: url,
                method: 'get',
                responseType: 'blob',
                overrideMimeType: 'application/zip', //不加这句脚本猫会自动安装
                onload: res => {
                    if (res.status === 200) {
                        const href = URL.createObjectURL(res.response);
                        const a = document.createElement('a');
                        a.href = href;
                        a.download = filename;
                        a.click();
                        URL.revokeObjectURL(href);
                        resolve();
                    } else {
                        reject(res.status);
                    }
                },
                onerror: () => reject('error')
            });
        });
    }
    // 根据插件id获取插件名称
    const extensionList = {};
    function getExtensionName(crxId) {
        return new Promise((resolve, reject) => {
            if (extensionList[crxId]) return resolve(extensionList[crxId]);
            GM_xmlhttpRequest({
                url: `https://microsoftedge.microsoft.com/addons/getproductdetailsbycrxid/${crxId}?hl=zh-CN&gl=CN`,
                method: 'get',
                //headers: {Referer: 'https://microsoftedge.microsoft.com/addons/detail/%E7%AF%A1%E6%94%B9%E7%8C%B4/iikmkjmpaadaobahmlepeloendndfphd?hl=zh-CN'},
                onload: res => {
                    if (res.status === 200) {
                        extensionList[crxId] = JSON.parse(res.responseText).name.replace(/[\/:*?"<>|]/g, '');
                        resolve(extensionList[crxId]);
                    } else {
                        reject(res.status);
                    }
                },
                onerror: () => reject('error')
            });
        });
    }
    //启用或禁用按钮
    function setButtonState(button, disabled, innerText) {
        button.disabled = disabled;
        button.style.setProperty('cursor', disabled ? 'not-allowed' : 'pointer', 'important');
        button.style.setProperty('opacity', disabled ? '0.3' : '1', 'important');
        button.innerText = innerText;
    }
    //替换下载按钮
    async function replaceButton(button) {
        const crxId = button.id.split('-')[1];
        const name = await getExtensionName(crxId);
        button.innerHTML = '';
        button.classList.add('replaced');
        setButtonState(button, false, '下载zip');
        button.addEventListener('click', e => {
            e.stopImmediatePropagation();
            setButtonState(button, true, '下载中');
            const url = `https://edge.microsoft.com/extensionwebstorebase/v1/crx?response=redirect&acceptformat=crx3&x=id%3D${crxId}%26installsource%3Dondemand%26uc`;
            download(url, `${name}.zip`).then(
                () => setButtonState(button, false, '下载zip'),
                () => setButtonState(button, true, '下载失败')
            );
        }, true);
    }
    //监听获取下载按钮并替换
    elmGetter.each('[id^=installButton-]:not(.replaced)', replaceButton);
})();