// ==UserScript==
// @name         hjcINSzs
// @namespace    https://haojiacheng.cn/
// @version      0.1
// @description  66666666666666666
// @author       SuYi79
// @license      End-User License Agreement
// @match        *://*.Instagram.com/*
// @icon         https://www.haojiacheng.cn/pic/upload/2022/07/16/1f8a3670-ea48-48c2-a301-b2a7d18f0e46.jpg
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    // 获取按钮元素

    var btn2 = document.getElementsByClassName("_afxw _al46 _al47")[0];
    // 监听按钮点击事件
    var i = 0;
    var srcArr = [];

    //添加悬浮按钮
    var cj=document.createTextNode("点我 下载 图片");
    var jiacheng=document.createElement("button");
    jiacheng.id="mybtn";
    jiacheng.style="font: 12px/1.5 微软雅黑, 黑体, Arial, Helvetica, sans-serif;-webkit-font-smoothing: antialiased;padding: 0;outline: none;width: 180px;height: 32px;line-height: 32px;margin: 20px;background: #FFFFFF;border: solid #3A8BFF 1px;font-size: 14px;float: left;border-radius: 5px;text-align: center;cursor: pointer;background-color: #71e871;border-color: #3A8BFF;color: rgb(224 20 20);";
    jiacheng.appendChild(cj);
    document.getElementsByClassName("_aamu _ae3_ _ae47 _ae48")[0].appendChild(jiacheng);

    var mybtn = document.getElementById("mybtn");
    mybtn.addEventListener('click',function(){
        if(srcArr.length!=0){
            downloadImages();
        }
    })

    btn2.addEventListener('click', function(event) {
        if(i%2==0){
            myfun();
        }
        i++;
    });

    function myfun(){
        // 获取所有包含图片的父元素
        var parentNodes = document.querySelectorAll('article img');

        // 遍历父元素，获取包含图片的子元素img标签并输出
        for (var i = 0; i < parentNodes.length; i++) {
            var parentNode = parentNodes[i].parentNode;
            if (parentNode.tagName === 'DIV') {
                var src = parentNodes[i].getAttribute('src');
                if (!srcArr.includes(src)) {
                    srcArr.push(src);
                    console.log(src);
                }
            }
        }
}
    function downloadImages() {
        srcArr.forEach((url, index) => {
    fetch(url)
      .then(response => response.blob())
      .then(blob => {
        const urlObj = window.URL || window.webkitURL;
        const imageUrl = urlObj.createObjectURL(blob);
        const link = document.createElement("a");
        link.href = imageUrl;
        link.download = `image_${index}.jpg`;
        link.click();
      });
  });
}
})();