// ==UserScript==
// @name         Extract Roster
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  GUI Extract emails from a specific table and copy to clipboard or display them
// @author       Jason Hemann
// @match        *://setonhall.instructure.com/courses/*/users
// @grant        GM_setClipboard
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // Function to extract names and emails, then copy to clipboard or alert them
    function extractNamesAndEmails() {
        let rows = document.querySelectorAll('div:nth-of-type(3) > div:nth-of-type(2) > div:nth-of-type(2) > div:nth-of-type(3) > div:nth-of-type(1) > div > div:nth-of-type(2) > div > div:nth-of-type(2) > div > div:nth-of-type(2) > table > tbody > tr');
        let results = [];

        rows.forEach((row, index) => {
            let nameCell = row.querySelector('td:nth-of-type(2) > a');
            let emailCell = row.querySelector('td:nth-of-type(3)');

            if (nameCell && emailCell) {
                let name = nameCell.textContent.trim();
                let email = emailCell.textContent.trim();
                results.push(`${name}\t${email}`);
            }
        });

        if (results.length > 0) {
            // Copy to clipboard
            GM_setClipboard(results.join('\n'));
        } else {
            alert('No names or emails found.');
        }
    }

    // Create a button and style it
    let button = document.createElement('button');
    button.innerHTML = 'Extract Names and Emails';
    button.style.position = 'fixed';
    button.style.top = '10px';
    button.style.right = '10px';
    button.style.zIndex = '1000';
    button.style.padding = '10px';
    button.style.backgroundColor = '#28a745';
    button.style.color = 'white';
    button.style.border = 'none';
    button.style.borderRadius = '5px';
    button.style.cursor = 'pointer';

    // Add the button to the page
    document.body.appendChild(button);

    // Add click event listener to the button
    button.addEventListener('click', extractNamesAndEmails);

})();