// ==UserScript==
// @name         Universal Video Share Button
// @namespace    http://tampermonkey.net/
// @version      3.1
// @description  Adds a floating share button that appears when videos are detected. Hold down to copy instead of share.
// @author       Minoa
// @match        *://*/*
// @grant        none

// @license MIT

// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    var floatingButton = null;
    var pressTimer = null;
    var isLongPress = false;
    var checkInterval = null;

    // Common video selectors across different sites
    var VIDEO_SELECTORS = [
        'video',
        '.video-player video',
        '.player video',
        '#player video',
        '.video-container video',
        '[class*="video"] video',
        '[class*="player"] video',
        'iframe[src*="youtube.com"]',
        'iframe[src*="vimeo.com"]',
        'iframe[src*="dailymotion.com"]',
        'iframe[src*="twitch.tv"]',
        'iframe[src*="pornhub.com"]',
        'iframe[src*="xvideos.com"]'
    ];

    // Function to get video URL from various sources
    function getVideoUrl(videoElement) {
        if (videoElement.tagName === 'VIDEO') {
            if (videoElement.currentSrc) {
                return videoElement.currentSrc;
            }
            if (videoElement.src) {
                return videoElement.src;
            }
            
            var sources = videoElement.querySelectorAll('source');
            for (var i = 0; i < sources.length; i++) {
                if (sources[i].src) {
                    return sources[i].src;
                }
            }
        }

        if (videoElement.tagName === 'IFRAME') {
            return videoElement.src;
        }

        return window.location.href;
    }

    // Function to get unique videos
    function getUniqueVideos() {
        var videos = [];
        var seenUrls = [];
        
        for (var s = 0; s < VIDEO_SELECTORS.length; s++) {
            var selector = VIDEO_SELECTORS[s];
            var elements = document.querySelectorAll(selector);
            
            for (var i = 0; i < elements.length; i++) {
                var element = elements[i];
                var rect = element.getBoundingClientRect();
                
                if (rect.width > 100 && rect.height > 100) {
                    var url = getVideoUrl(element);
                    var isNewUrl = true;
                    
                    for (var j = 0; j < seenUrls.length; j++) {
                        if (seenUrls[j] === url) {
                            isNewUrl = false;
                            break;
                        }
                    }
                    
                    if (isNewUrl) {
                        seenUrls.push(url);
                        videos.push({
                            element: element,
                            url: url,
                            title: element.title || element.alt || ('Video ' + (videos.length + 1))
                        });
                    }
                }
            }
        }
        
        return videos;
    }

    // Function to create floating share button
    function createFloatingButton() {
        if (floatingButton) {
            return floatingButton;
        }

        floatingButton = document.createElement('div');
        floatingButton.innerHTML = '📤';
        floatingButton.id = 'universal-video-share-float';
        
        floatingButton.style.cssText = 'position: fixed; top: 20px; right: 20px; width: 50px; height: 50px; background: rgba(102, 126, 234, 0.9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: white; border: 2px solid rgba(255, 255, 255, 0.2); border-radius: 50%; font-size: 18px; cursor: pointer; z-index: 999999; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; user-select: none; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);';

        // Hover effects
        floatingButton.addEventListener('mouseenter', function() {
            this.style.transform = 'scale(1.1)';
            this.style.background = 'rgba(102, 126, 234, 1)';
        });

        floatingButton.addEventListener('mouseleave', function() {
            this.style.transform = 'scale(1)';
            this.style.background = 'rgba(102, 126, 234, 0.9)';
        });

        // Handle mouse events for long press detection
        floatingButton.addEventListener('mousedown', function(e) {
            e.preventDefault();
            isLongPress = false;
            pressTimer = setTimeout(function() {
                isLongPress = true;
                floatingButton.style.background = 'rgba(46, 204, 113, 0.9)';
                floatingButton.innerHTML = '📋';
            }, 500);
        });

        floatingButton.addEventListener('mouseup', function(e) {
            e.preventDefault();
            clearTimeout(pressTimer);
            
            floatingButton.style.background = 'rgba(102, 126, 234, 0.9)';
            floatingButton.innerHTML = '📤';
            
            if (isLongPress) {
                handleCopy();
            } else {
                handleShare();
            }
        });

        floatingButton.addEventListener('mouseleave', function() {
            clearTimeout(pressTimer);
            floatingButton.style.background = 'rgba(102, 126, 234, 0.9)';
            floatingButton.innerHTML = '📤';
        });

        // Touch events for mobile
        floatingButton.addEventListener('touchstart', function(e) {
            e.preventDefault();
            isLongPress = false;
            pressTimer = setTimeout(function() {
                isLongPress = true;
                floatingButton.style.background = 'rgba(46, 204, 113, 0.9)';
                floatingButton.innerHTML = '📋';
            }, 500);
        });

        floatingButton.addEventListener('touchend', function(e) {
            e.preventDefault();
            clearTimeout(pressTimer);
            
            floatingButton.style.background = 'rgba(102, 126, 234, 0.9)';
            floatingButton.innerHTML = '📤';
            
            if (isLongPress) {
                handleCopy();
            } else {
                handleShare();
            }
        });

        document.body.appendChild(floatingButton);
        return floatingButton;
    }

    // Function to handle share action
    function handleShare() {
        var videos = getUniqueVideos();
        
        if (videos.length === 0) {
            showNotification('No videos found!', 'error');
            return;
        }
        
        if (videos.length === 1) {
            shareVideo(videos[0]);
        } else {
            showVideoSelector(videos, 'share');
        }
    }

    // Function to handle copy action
    function handleCopy() {
        var videos = getUniqueVideos();
        
        if (videos.length === 0) {
            showNotification('No videos found!', 'error');
            return;
        }
        
        if (videos.length === 1) {
            copyVideoUrl(videos[0]);
        } else {
            showVideoSelector(videos, 'copy');
        }
    }

    // Function to create video selector popup
    function showVideoSelector(videos, action) {
        // Remove existing selector if any
        var existingSelector = document.querySelector('#video-selector-popup');
        if (existingSelector) {
            existingSelector.remove();
        }

        var popup = document.createElement('div');
        popup.id = 'video-selector-popup';
        popup.style.cssText = 'position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); z-index: 9999999; display: flex; align-items: center; justify-content: center; padding: 20px; box-sizing: border-box;';

        var container = document.createElement('div');
        container.style.cssText = 'background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-radius: 15px; padding: 30px; max-width: 80%; max-height: 80%; overflow-y: auto; position: relative; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);';

        // Close button
        var closeButton = document.createElement('button');
        closeButton.innerHTML = '✕';
        closeButton.style.cssText = 'position: absolute; top: 15px; right: 15px; background: none; border: none; font-size: 20px; cursor: pointer; color: #666; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center;';

        closeButton.addEventListener('click', function() {
            popup.remove();
        });
        
        closeButton.addEventListener('mouseenter', function() {
            this.style.background = 'rgba(0, 0, 0, 0.1)';
        });
        
        closeButton.addEventListener('mouseleave', function() {
            this.style.background = 'none';
        });

        // Title
        var title = document.createElement('h3');
        title.textContent = 'Select Video to ' + (action.charAt(0).toUpperCase() + action.slice(1));
        title.style.cssText = 'margin: 0 0 20px 0; color: #333; font-size: 18px; text-align: center;';

        container.appendChild(closeButton);
        container.appendChild(title);

        // Video list
        for (var i = 0; i < videos.length; i++) {
            var videoData = videos[i];
            var videoItem = document.createElement('div');
            videoItem.style.cssText = 'margin-bottom: 20px; padding: 15px; border: 2px solid #ddd; border-radius: 10px; cursor: pointer; transition: all 0.3s ease; background: rgba(255, 255, 255, 0.7);';

            // Create a closure to capture the current videoData
            (function(currentVideoData) {
                videoItem.addEventListener('mouseenter', function() {
                    this.style.borderColor = '#667eea';
                    this.style.background = 'rgba(102, 126, 234, 0.1)';
                });

                videoItem.addEventListener('mouseleave', function() {
                    this.style.borderColor = '#ddd';
                    this.style.background = 'rgba(255, 255, 255, 0.7)';
                });

                // Create preview video element
                if (currentVideoData.element.tagName === 'VIDEO') {
                    var previewVideo = document.createElement('video');
                    previewVideo.src = currentVideoData.url;
                    previewVideo.style.cssText = 'width: 100%; max-width: 300px; height: auto; border-radius: 5px; margin-bottom: 10px;';
                    previewVideo.controls = false;
                    previewVideo.muted = true;
                    previewVideo.preload = 'metadata';
                    videoItem.appendChild(previewVideo);
                } else {
                    // For iframes, show a placeholder
                    var placeholder = document.createElement('div');
                    placeholder.style.cssText = 'width: 100%; max-width: 300px; height: 150px; background: #f0f0f0; border-radius: 5px; margin-bottom: 10px; display: flex; align-items: center; justify-content: center; color: #666; font-size: 14px;';
                    placeholder.textContent = 'Embedded Video';
                    videoItem.appendChild(placeholder);
                }

                // Video info
                var videoInfo = document.createElement('div');
                videoInfo.innerHTML = '<strong>Video ' + (i + 1) + '</strong><br><small style="color: #666; word-break: break-all;">' + currentVideoData.url + '</small>';
                videoItem.appendChild(videoInfo);

                // Click handler
                videoItem.addEventListener('click', function() {
                    popup.remove();
                    if (action === 'share') {
                        shareVideo(currentVideoData);
                    } else {
                        copyVideoUrl(currentVideoData);
                    }
                });
            })(videoData);

            container.appendChild(videoItem);
        }

        popup.appendChild(container);

        // Click outside to close
        popup.addEventListener('click', function(e) {
            if (e.target === popup) {
                popup.remove();
            }
        });

        document.body.appendChild(popup);
    }

    // Function to share video
    function shareVideo(videoData) {
        var pageTitle = document.title;

        if (navigator.share) {
            navigator.share({
                title: pageTitle,

                url: videoData.url
            }).then(function() {
                showNotification('Video shared successfully!', 'success');
            }).catch(function(error) {
                console.log('Error sharing video:', error);
                copyVideoUrl(videoData);
            });
        } else {
            copyVideoUrl(videoData);
        }
    }

    // Function to copy video URL
    function copyVideoUrl(videoData) {
        if (navigator.clipboard && navigator.clipboard.writeText) {
            navigator.clipboard.writeText(videoData.url).then(function() {
                showNotification('Video URL copied to clipboard!', 'success');
            }).catch(function() {
                fallbackCopy(videoData.url);
            });
        } else {
            fallbackCopy(videoData.url);
        }
    }

    // Fallback copy method
    function fallbackCopy(url) {
        try {
            var textArea = document.createElement('textarea');
            textArea.value = url;
            textArea.style.position = 'fixed';
            textArea.style.left = '-999999px';
            document.body.appendChild(textArea);
            textArea.focus();
            textArea.select();
            
            if (document.execCommand('copy')) {
                showNotification('Video URL copied to clipboard!', 'success');
            } else {
                showNotification('Could not copy URL', 'error');
            }
            
            document.body.removeChild(textArea);
        } catch (err) {
            showNotification('Copy failed', 'error');
        }
    }

    // Function to show notification
    function showNotification(message, type) {
        if (type === undefined) {
            type = 'success';
        }
        
        var existingNotifications = document.querySelectorAll('.universal-video-notification');
        for (var i = 0; i < existingNotifications.length; i++) {
            existingNotifications[i].remove();
        }

        var notification = document.createElement('div');
        notification.textContent = message;
        notification.className = 'universal-video-notification';
        
        var bgColor = type === 'success' ? 'rgba(46, 204, 113, 0.95)' : 'rgba(231, 76, 60, 0.95)';
        
        notification.style.cssText = 'position: fixed; top: 80px; right: 20px; background: ' + bgColor + '; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: white; padding: 12px 20px; border-radius: 10px; z-index: 999998; font-weight: 600; font-size: 14px; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3); max-width: 300px; word-wrap: break-word; transform: translateX(100%); transition: transform 0.3s ease;';

        document.body.appendChild(notification);
        
        // Animate in
        setTimeout(function() {
            notification.style.transform = 'translateX(0)';
        }, 100);

        // Remove after 3 seconds
        setTimeout(function() {
            if (notification.parentNode) {
                notification.style.transform = 'translateX(100%)';
                setTimeout(function() {
                    notification.remove();
                }, 300);
            }
        }, 3000);
    }

    // Function to check for videos and show/hide button
    function checkForVideos() {
        var videos = getUniqueVideos();
        
        if (videos.length > 0) {
            if (!floatingButton) {
                createFloatingButton();
            }
        } else {
            if (floatingButton) {
                floatingButton.remove();
                floatingButton = null;
            }
        }
    }

    // Initialize the script
    function init() {
        console.log('Universal Video Share Button script initialized');
        
        // Check immediately
        setTimeout(checkForVideos, 1000);
        
        // Set up interval to check every 5 seconds
        checkInterval = setInterval(checkForVideos, 5000);
    }

    // Start the script
    init();

})();