// ==UserScript==
// @name         RG Tweet Video Remover
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Floating RG button activates/deactivates tweet_video post removal
// @author       you
// @match        *://nitter.privacydev.net/*
// @match        *://nitter.poast.org/*
// @match        *://xcancel.com/*
// @match        *://lightbrd.com/*
// @match        *://nitter.net/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    let isActive = false;
    let observer = null;

    function removeRelevantPosts() {
        const items = document.querySelectorAll('.timeline-item, article, [data-testid="tweet"]');
        items.forEach(function(item) {
            if (
                item.innerHTML.includes('video.twimg.com%2Ftweet_video%2F') ||
                item.innerHTML.includes('video.twimg.com/tweet_video/')
            ) {
                item.remove();
            }
        });
    }

    function setButtonActive(active) {
        if(active){
            removeRelevantPosts();
            observer = new MutationObserver(() => {
                removeRelevantPosts();
            });
            observer.observe(document.body, {childList:true, subtree:true});
            fabButton.style.background = isDarkMode() ? '#048848' : '#23be78';
            fabButton.style.color = '#fff';
            fabButton.title = 'RG Active: Hides tweet_video posts';
        } else {
            if(observer) observer.disconnect();
            observer = null;
            fabButton.style.background = isDarkMode() ? '#222' : '#fff';
            fabButton.style.color = isDarkMode() ? '#fff' : '#005940';
            fabButton.title = 'RG Inactive: Click to activate';
        }
    }

    function isDarkMode() {
        return window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
    }

    // Create floating button
    let fabButton = document.createElement('button');
    fabButton.textContent = "RG ";
    fabButton.setAttribute('aria-label', 'Remove GIF posts');
    fabButton.title = 'RG Inactive: Click to activate';
    fabButton.style.position = 'fixed';
    fabButton.style.bottom = '24px';
    fabButton.style.left = '116px'; // ~2 places to right from far left; each "place" ~46px, adjust for your UI.
    fabButton.style.zIndex = '99999';
    fabButton.style.fontSize = '18px';
    fabButton.style.padding = '10px 18px';
    fabButton.style.borderRadius = '24px';
    fabButton.style.border = '1.5px solid #ccc';
    fabButton.style.boxShadow = '0 4px 24px rgba(0,0,0,0.11)';
    fabButton.style.fontWeight = 'bold';
    fabButton.style.cursor = 'pointer';
    fabButton.style.transition = 'background 0.2s,color 0.2s';
    fabButton.style.background = isDarkMode() ? '#222' : '#fff';
    fabButton.style.color = isDarkMode() ? '#fff' : '#005940';
    fabButton.style.userSelect = 'none';

    document.body.appendChild(fabButton);

    let style = document.createElement('style');
    style.textContent = `
    #__rg_fab_button:active {transform: scale(0.98);}
    `;
    document.head.appendChild(style);

    fabButton.addEventListener('click', function() {
        isActive = !isActive;
        setButtonActive(isActive);
    });

    // Persist state on reload
    window.addEventListener("pageshow",function(){
        setButtonActive(isActive);
    });

    // Optional: update button color on theme change
    window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', function() {
        setButtonActive(isActive);
    });
})();