// ==UserScript==
// @name         Scribd Download Button
// @namespace    http://tampermonkey.net/
// @version      1.6
// @description  Add a download button on Scribd pages to redirect to a custom download service in the same tab, supporting document, doc, and presentation URLs.
// @author       You
// @match        https://www.scribd.com/document/*
// @match        https://www.scribd.com/doc/*
// @match        https://www.scribd.com/presentation/*
// @icon         https://www.google.com/s2/favicons?domain=scribd.com
// @license      MIT 
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    console.log("📌 Tampermonkey script is running...");

    // Extract version number from metadata
    const scriptVersion = GM_info.script.version;
    console.log("📌 Script Version:", scriptVersion);

    // Get the current URL
    const currentUrl = window.location.href;

    // Regular expression to match URL format correctly
    const urlMatch = currentUrl.match(/https:\/\/www\.scribd\.com\/(?:document|doc|presentation)\/(\d+)\/(.+)/);

    if (urlMatch) {
        // Extract the document ID and title
        const docId = urlMatch[1]; // Document ID
        let docTitle = urlMatch[2]; // Document title

        // Debugging
        console.log("📌 Extracted docId:", docId);
        console.log("📌 Extracted raw docTitle:", docTitle);

        // Fix docTitle: Replace `/` with `-` and encode special characters
        docTitle = docTitle.replace(/\//g, '-'); // Replace slashes with dashes
        docTitle = encodeURIComponent(docTitle); // Encode special characters

        // Construct the new download URL with "/document/" path
        const downloadUrl = `https://scribd.downloader.tips/document/${docId}/${docTitle}`;
        console.log("📌 Final download URL:", downloadUrl);

        // Create a download button
        const button = document.createElement('button');
        button.textContent = `Download v${scriptVersion}`;
        button.style.position = 'fixed';
        button.style.top = '10px';
        button.style.right = '10px';
        button.style.padding = '10px 15px';
        button.style.backgroundColor = '#007bff';
        button.style.color = '#fff';
        button.style.border = 'none';
        button.style.borderRadius = '5px';
        button.style.cursor = 'pointer';
        button.style.zIndex = '10000';

        // Add click event to redirect to the download URL in the same tab
        button.addEventListener('click', () => {
            window.location.href = downloadUrl;
        });

        // Append the button to the body
        document.body.appendChild(button);
        console.log("✅ Download button added successfully!");
    } else {
        console.warn("❌ No matching document found in the URL.");
    }
})();