// ==UserScript==
// @name         MTA Nightly Builds - Copy Link to Newest
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @description  Adds a button to copy the dynamic link to the newest nightly build for MTA:SA
// @author       SpeedyFolf
// @match        https://nightly.mtasa.com/*
// @match        https://nightly.multitheftauto.com/*
// @grant        none
// @homepageURL  https://github.com/SpeedyFolf/userscripts
// @supportURL   https://github.com/SpeedyFolf/userscripts/issues
// @updateURL    https://raw.githubusercontent.com/SpeedyFolf/userscripts/main/add-mta-nightly-builds-copy-link-to-newest-button.user.js
// ==/UserScript==

(function() {
    'use strict';

    // Map of version blocks and their respective dynamic latest links
    const buildLinks = {
        '1.7': {
            'Windows nightly installer (Win10+)': 'https://nightly.mtasa.com/?mtasa-1.7-latest',
            'Windows 64 bit server': 'https://nightly.mtasa.com/?mtasa_x64-1.7-latest',
            'Windows arm64 server': 'https://nightly.mtasa.com/?mtasa_windows_arm64-1.7-latest',
            'Linux 64 bit server': 'https://nightly.mtasa.com/?multitheftauto_linux_x64-1.7-latest',
            'Linux arm64 server': 'https://nightly.mtasa.com/?multitheftauto_linux_arm64-1.7-latest'
        },
        '1.6': {
            'Windows nightly installer (Win10+)': 'https://nightly.mtasa.com/?mtasa-1.6-latest',
            'Windows nightly installer (Win7/8/8.1)': 'https://nightly.mtasa.com/?mtasa_maetro-1.6-latest',
            'Windows 64 bit server': 'https://nightly.mtasa.com/?mtasa_x64-1.6-latest',
            'Windows arm64 server': 'https://nightly.mtasa.com/?mtasa_windows_arm64-1.6-latest',
            'Linux 32 bit server': 'https://nightly.mtasa.com/?multitheftauto_linux-1.6-latest',
            'Linux 64 bit server': 'https://nightly.mtasa.com/?multitheftauto_linux_x64-1.6-latest',
            'Linux arm server': 'https://nightly.mtasa.com/?multitheftauto_linux_arm-1.6-latest',
            'Linux arm64 server': 'https://nightly.mtasa.com/?multitheftauto_linux_arm64-1.6-latest'
        }
    };

    let currentVersionContext = null;

    // Traverse all elements in document order (top-to-bottom)
    const allElements = document.querySelectorAll('*');

    allElements.forEach(el => {
        // Extract direct text content to identify build titles
        const textContent = Array.from(el.childNodes)
            .filter(node => node.nodeType === Node.TEXT_NODE)
            .map(node => node.textContent.trim())
            .join(' ');

        // Update the version context when a main version header is found
        if (textContent.includes('1.7 -')) {
            currentVersionContext = '1.7';
        } else if (textContent.includes('1.6 -')) {
            currentVersionContext = '1.6';
        }

        // If we are inside a known version block, look for build titles
        if (currentVersionContext && buildLinks[currentVersionContext]) {
            const exactMatchKey = Object.keys(buildLinks[currentVersionContext]).find(k => textContent === k);

            if (exactMatchKey) {
                // Ensure we don't append multiple buttons if the script re-runs
                if (!el.querySelector('.copy-latest-btn')) {
                    const btn = document.createElement('button');
                    btn.className = 'copy-latest-btn';
                    btn.textContent = 'Copy link to newest';

                    // Layout adjustments
                    btn.style.display = 'block'; // Moves the button beneath the build title
                    btn.style.marginTop = '5px'; // Spacing above the button; half of table cell spacing
                    btn.style.marginLeft = '16px'; // Indent to align with the box content
                    btn.style.padding = '2px 6px';
                    btn.style.fontSize = '11px';

                    // Fixed width prevents layout shifting when the text changes to "Copied!"
                    btn.style.width = '125px';
                    btn.style.textAlign = 'center';
                    btn.style.cursor = 'pointer';

                    const url = buildLinks[currentVersionContext][exactMatchKey];

                    // Copy to clipboard on click
                    btn.addEventListener('click', (e) => {
                        e.preventDefault();
                        navigator.clipboard.writeText(url).then(() => {
                            const originalText = btn.textContent;
                            btn.textContent = 'Copied!';
                            setTimeout(() => { btn.textContent = originalText; }, 2000);
                        });
                    });

                    el.appendChild(btn);
                }
            }
        }
    });
})();