// ==UserScript==
// @name        Aptoide下载器
// @namespace   Violentmonkey Scripts
// @match       *://*.aptoide.com/*
// @grant       none
// @version     1.0
// @author      heham
// @description Aptoide网站直接下载APK
// @downloadURL none
// ==/UserScript==

function displayButton(apkUrl) {
    let a = document.createElement('a');
    a.href = apkUrl;
    a.className = "gradient-button__GradientButton-gcc0dg-0 fGvaKr";
    let div = document.createElement('div');
    a.appendChild(div);
    let span = document.createElement('span');
    span.appendChild(document.createTextNode('直接下载APK'));
    div.appendChild(span);
    let prevButton = document.getElementsByClassName('gradient-button__GradientButton-gcc0dg-0 fGvaKr')[0];
    prevButton.parentNode.insertBefore(a, prevButton.nextElementSibling);
}
function displayObbButton(fileUrl, label) {
    let a = document.createElement('a');
    a.href = fileUrl;
    a.className = "aptweb-button--app";
    let div = document.createElement('div');
    div.className = "aptweb-button aptweb-button--big aptweb-button--red";
    a.appendChild(div);
    let span = document.createElement('span');
    span.appendChild(
        document.createTextNode(
            'Download OBB ' + label.replace(/(^| )(\w)/g, String.toUpperCase)
        )
    );
    div.appendChild(span);
    let prevButton = Array.from(document.getElementsByClassName('aptweb-button--app')).pop();
    prevButton.parentNode.insertBefore(a, prevButton.nextElementSibling);
    prevButton.parentNode.insertBefore(document.createElement('p'), prevButton.nextElementSibling);
}

(function () {
    if (!document.querySelector('script[id="__NEXT_DATA__"]')) {
        // package not found
        return;
    }
    var txt = document.querySelector('script[id="__NEXT_DATA__"]').textContent;
    //var json = eval("(" + txt + ")");
    var json = JSON.parse(txt);
    //var json = (new Function("return " + txt))();
    let apkPackage = json.props.pageProps.app.package;
    let xhr = new XMLHttpRequest();
    // API v7
    let url = 'https://ws2.aptoide.com/api/7/app/getMeta/package_name=' + apkPackage;
    xhr.responseText = 'text';
    xhr.open('GET', url);
    xhr.onload = function () {
        if (xhr.status === 200) {
            let responseData = JSON.parse(xhr.responseText);
            //alert(responseData.data.file.path);
            displayButton(responseData.data.file.path);
            try {
                for (let okey of Object.keys(responseData.data.obb)) {
                    console.log(responseData, okey);
                    displayObbButton(responseData.data.obb[okey].path, okey);
                }
            } catch (error) {
                console.log(error);
            }
        } else {
            console.log('Incomplete status during request to ' + url, xhr.statusText);
        }
    };
    xhr.onerror = function () {
        console.log('Error during request to ' + url, xhr.statusText);
    };
    xhr.send();
})();