// @license magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt GPL-v3-or-Later

/**
 * CustomVideoControls object to handle custom video player functionality
 */
const CustomVideoControls = {
    video: null,
    controls: null,
    topControls: null,
    playPauseBtn: null,
    seekSlider: null,
    progressBar: null,
    progressFilled: null,
    progressBuffered: null,
    timeDisplay: null,
    muteBtn: null,
    volumeSlider: null,
    fullscreenBtn: null,
    
    controlsTimeout: null,
    mouseTimeout: null,
    container: null,
    isMouseOverContainer: false,
    
    /**
     * Initialize the custom video controls
     */
    init() {
        // Get DOM elements
        this.video = document.getElementById('player');
        this.controls = document.getElementById('custom-controls');
        this.topControls = document.getElementById('controls');
        this.playPauseBtn = document.getElementById('play-pause-btn');
        this.seekSlider = document.getElementById('seek-slider');
        this.progressBar = document.getElementById('progress-bar');
        this.progressFilled = document.getElementById('progress-filled');
        this.progressBuffered = document.getElementById('progress-buffered');
        this.timeDisplay = document.getElementById('time-display');
        this.muteBtn = document.getElementById('mute-btn');
        this.volumeSlider = document.getElementById('volume-slider');
        this.fullscreenBtn = document.getElementById('fullscreen-btn');
        
        if (!this.video || !this.controls) {
            console.error('Custom video controls: Required elements not found');
            return;
        }
        
        // Create a container for video and controls if it doesn't exist
        this.createVideoContainer();
        
        // Set up event listeners
        this.setupEventListeners();
        
        // Initialize controls state
        this.updatePlayPauseButton();
        this.updateVolume();
        this.updateTimeDisplay();
        
        // Show controls initially
        this.showControls();
        
        // Set up mouse movement detection for auto-hiding controls
        this.setupAutoHide();
        
        // Set up mouse inactivity detection
        this.setupMouseInactivityDetection();
        
        // Set up focus handling for top controls
        this.setupTopControlsFocusHandling();
    },
    
    /**
     * Create a container wrapper for video and controls for proper fullscreen handling
     */
    createVideoContainer() {
        // Container already exists in HTML, just get reference
        this.container = document.getElementById('video-container');
        if (!this.container) {
            console.error('Video container not found in HTML');
            return;
        }
    },
    
    /**
     * Set up all event listeners for the custom controls
     */
    setupEventListeners() {
        // Play/Pause button
        this.playPauseBtn.addEventListener('click', () => {
            this.togglePlayPause();
            this.playPauseBtn.blur();
        });
        
        // Seek slider
        this.seekSlider.addEventListener('input', () => {
            this.seek();
        });
        this.seekSlider.addEventListener('change', () => {
            this.seekSlider.blur();
        });
        
        // Progress bar click to seek
        this.progressBar.addEventListener('click', (e) => {
            this.progressBarSeek(e);
            e.target.blur();
        });
        
        // Mute button
        this.muteBtn.addEventListener('click', () => {
            this.toggleMute();
            this.muteBtn.blur();
        });
        
        // Volume slider
        this.volumeSlider.addEventListener('input', () => {
            this.updateVolume();
        });
        this.volumeSlider.addEventListener('change', () => {
            this.volumeSlider.blur();
        });
        
        // Fullscreen button
        this.fullscreenBtn.addEventListener('click', () => {
            this.toggleFullscreen();
            this.fullscreenBtn.blur();
        });
        
        // Video click to toggle play/pause
        this.video.addEventListener('click', (e) => {
            // Prevent triggering if clicking on controls or if it's a right-click
            if (e.target === this.video && e.button === 0) {
                this.togglePlayPause();
            }
        });
        
        // Video events
        this.video.addEventListener('timeupdate', () => this.updateProgress());
        this.video.addEventListener('loadedmetadata', () => this.updateTimeDisplay());
        this.video.addEventListener('volumechange', () => this.updateVolumeDisplay());
        this.video.addEventListener('play', () => {
            this.updatePlayPauseButton();
            this.hideControlsWithTimeout(); // Auto-hide controls when playing
            this.hideCursorWithTimeout(); // Auto-hide cursor when playing
        });
        this.video.addEventListener('pause', () => {
            this.updatePlayPauseButton();
            this.showControls(); // Show controls when paused
            this.showCursor(); // Show cursor when paused
            this.resetMouseTimeout(); // Clear cursor timeout when paused
        });
        this.video.addEventListener('seeking', () => {
            this.showControls(); // Show controls when seeking
        });
        this.video.addEventListener('seeked', () => {
            this.hideControlsWithTimeout(); // Auto-hide after seeking
            this.hideCursorWithTimeout(); // Auto-hide cursor after seeking
        });
        
        // Keyboard controls
        document.addEventListener('keydown', (e) => this.handleKeyboard(e));
        
        // Controls visibility
        this.controls.addEventListener('mouseenter', () => this.showControls());
        this.controls.addEventListener('mouseleave', () => this.hideControls());
        this.video.addEventListener('mouseenter', () => this.showControls());
        this.video.addEventListener('mouseleave', () => this.hideControls());
        this.video.addEventListener('mousemove', () => this.showControls());
        
        // Add mouse movement detection for the entire container
        if (this.container) {
            this.container.addEventListener('mousemove', () => this.handleMouseMove());
            this.container.addEventListener('mouseleave', () => this.handleMouseLeave());
            this.container.addEventListener('mouseenter', () => this.handleMouseEnter());
        }
        
        // Touch events for mobile support
        this.video.addEventListener('touchstart', (e) => {
            this.showControls();
            // Prevent default to avoid interfering with video controls
            if (e.touches.length === 1) {
                const touch = e.touches[0];
                const rect = this.video.getBoundingClientRect();
                // Only toggle play/pause if tapping in the center area
                if (touch.clientX > rect.left + rect.width * 0.3 &&
                    touch.clientX < rect.left + rect.width * 0.7 &&
                    touch.clientY > rect.top + rect.height * 0.3 &&
                    touch.clientY < rect.top + rect.height * 0.7) {
                    this.togglePlayPause();
                }
            }
        });
        
        this.controls.addEventListener('touchstart', () => {
            this.showControls();
        });
        
        // Handle window resize for responsive behavior
        window.addEventListener('resize', () => {
            this.handleResize();
        });
        
        // Fullscreen change events
        document.addEventListener('fullscreenchange', () => this.handleFullscreenChange());
        document.addEventListener('webkitfullscreenchange', () => this.handleFullscreenChange());
        document.addEventListener('mozfullscreenchange', () => this.handleFullscreenChange());
        document.addEventListener('MSFullscreenChange', () => this.handleFullscreenChange());
    },
    
    /**
     * Toggle between play and pause
     */
    togglePlayPause() {
        if (this.video.paused) {
            this.video.play();
        } else {
            this.video.pause();
        }
    },
    
    /**
     * Update the play/pause button display
     */
    updatePlayPauseButton() {
        if (this.video.paused) {
            this.playPauseBtn.textContent = '▶';
            this.playPauseBtn.setAttribute('aria-label', 'Play');
        } else {
            this.playPauseBtn.textContent = '❚❚';
            this.playPauseBtn.setAttribute('aria-label', 'Pause');
        }
    },
    
    /**
     * Seek to the position specified by the seek slider
     */
    seek() {
        const seekTime = this.seekSlider.value * this.video.duration / 100;
        this.video.currentTime = seekTime;
    },
    
    /**
     * Handle clicking on the progress bar to seek
     */
    progressBarSeek(e) {
        const rect = this.progressBar.getBoundingClientRect();
        const pos = (e.clientX - rect.left) / rect.width;
        this.video.currentTime = pos * this.video.duration;
    },
    
    /**
     * Update the progress bar and time display
     */
    updateProgress() {
        const percentage = (this.video.currentTime / this.video.duration) * 100;
        this.progressFilled.style.width = `${percentage}%`;
        this.seekSlider.value = percentage;
        
        // Update buffer indicator
        if (this.video.buffered.length > 0) {
            const bufferedEnd = this.video.buffered.end(this.video.buffered.length - 1);
            const bufferedPercentage = (bufferedEnd / this.video.duration) * 100;
            this.progressBuffered.style.width = `${bufferedPercentage}%`;
        }
        
        this.updateTimeDisplay();
    },
    
    /**
     * Update the time display
     */
    updateTimeDisplay() {
        const currentTime = this.formatTime(this.video.currentTime);
        const duration = this.formatTime(this.video.duration);
        this.timeDisplay.textContent = `${currentTime} / ${duration}`;
    },
    
    /**
     * Format time in seconds to MM:SS or HH:MM:SS format
     */
    formatTime(seconds) {
        if (isNaN(seconds)) return '0:00';
        
        const h = Math.floor(seconds / 3600);
        const m = Math.floor((seconds % 3600) / 60);
        const s = Math.floor(seconds % 60);
        
        if (h > 0) {
            return `${h}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
        } else {
            return `${m}:${s.toString().padStart(2, '0')}`;
        }
    },
    
    /**
     * Toggle mute state
     */
    toggleMute() {
        this.video.muted = !this.video.muted;
    },
    
    /**
     * Update volume based on slider value
     */
    updateVolume() {
        this.video.volume = this.volumeSlider.value;
    },
    
    /**
     * Update volume display (mute button)
     */
    updateVolumeDisplay() {
        if (this.video.muted || this.video.volume === 0) {
            this.muteBtn.textContent = '🔇';
            this.muteBtn.setAttribute('aria-label', 'Unmute');
        } else if (this.video.volume < 0.5) {
            this.muteBtn.textContent = '🔉';
            this.muteBtn.setAttribute('aria-label', 'Mute');
        } else {
            this.muteBtn.textContent = '🔊';
            this.muteBtn.setAttribute('aria-label', 'Mute');
        }
    },
    
    /**
     * Toggle fullscreen mode
     */
    toggleFullscreen() {
        if (!document.fullscreenElement) {
            // Request fullscreen for the container instead of just the video
            if (this.container.requestFullscreen) {
                this.container.requestFullscreen();
            } else if (this.container.webkitRequestFullscreen) { /* Safari */
                this.container.webkitRequestFullscreen();
            } else if (this.container.mozRequestFullScreen) { /* Firefox */
                this.container.mozRequestFullScreen();
            } else if (this.container.msRequestFullscreen) { /* IE11 */
                this.container.msRequestFullscreen();
            }
        } else {
            if (document.exitFullscreen) {
                document.exitFullscreen();
            } else if (document.webkitExitFullscreen) { /* Safari */
                document.webkitExitFullscreen();
            } else if (document.mozCancelFullScreen) { /* Firefox */
                document.mozCancelFullScreen();
            } else if (document.msExitFullscreen) { /* IE11 */
                document.msExitFullscreen();
            }
        }
    },
    
    /**
     * Handle fullscreen change events
     */
    handleFullscreenChange() {
        const isFullscreen = !!(document.fullscreenElement ||
                              document.webkitFullscreenElement ||
                              document.mozFullScreenElement ||
                              document.msFullscreenElement);
        
        if (isFullscreen) {
            // Adjust controls for fullscreen
            this.controls.style.position = 'absolute';
            this.controls.style.bottom = '0';
            this.controls.style.left = '0';
            this.controls.style.right = '0';
            this.controls.style.zIndex = '2147483647'; // Maximum z-index
            
            // Make video fill the container
            this.video.style.width = '100%';
            this.video.style.height = '100%';
            this.video.style.objectFit = 'contain';
        } else {
            // Reset styles when exiting fullscreen
            this.controls.style.position = '';
            this.controls.style.bottom = '';
            this.controls.style.left = '';
            this.controls.style.right = '';
            this.controls.style.zIndex = '';
            
            this.video.style.width = '';
            this.video.style.height = '';
            this.video.style.objectFit = '';
        }
        
        // Always show controls when entering/exiting fullscreen
        this.showControls();
        
        // Auto-hide controls and cursor after a delay in fullscreen mode if video is playing
        if (isFullscreen && !this.video.paused) {
            this.hideControlsWithTimeout();
            this.hideCursorWithTimeout();
        }
    },
    
    /**
     * Handle keyboard controls
     */
    handleKeyboard(e) {
        // Only handle keys when video is the active element or no input is focused
        if (document.activeElement.tagName === 'INPUT' || document.activeElement.tagName === 'TEXTAREA') {
            return;
        }
        
        switch (e.key) {
            case ' ':
            case 'Spacebar':
                e.preventDefault();
                this.togglePlayPause();
                break;
            case 'ArrowLeft':
                e.preventDefault();
                this.video.currentTime -= 5;
                break;
            case 'ArrowRight':
                e.preventDefault();
                this.video.currentTime += 5;
                break;
            case 'ArrowUp':
                e.preventDefault();
                this.video.volume = Math.min(1, this.video.volume + 0.1);
                this.volumeSlider.value = this.video.volume;
                break;
            case 'ArrowDown':
                e.preventDefault();
                this.video.volume = Math.max(0, this.video.volume - 0.1);
                this.volumeSlider.value = this.video.volume;
                break;
            case 'm':
            case 'M':
                e.preventDefault();
                this.toggleMute();
                break;
            case 'f':
            case 'F':
                e.preventDefault();
                this.toggleFullscreen();
                break;
        }
    },
    
    /**
     * Show the controls
     */
    showControls() {
        this.controls.classList.add('show');
        if (this.topControls) {
            this.topControls.classList.add('show');
        }
        this.showCursor();
        
        // Only reset timeout if video is playing (to allow auto-hide when idle)
        if (!this.video.paused) {
            this.resetControlsTimeout();
            this.hideControlsWithTimeout();
            this.resetMouseTimeout();
            this.hideCursorWithTimeout();
        }
    },
    
    /**
     * Hide the controls
     */
    hideControls() {
        if (!this.video.paused) {
            this.controls.classList.remove('show');
            if (this.topControls) {
                this.topControls.classList.remove('show');
            }
            this.hideCursor();
        }
    },
    
    /**
     * Show the cursor
     */
    showCursor() {
        if (this.container) {
            this.container.style.cursor = 'auto';
        }
    },
    
    /**
     * Hide the cursor
     */
    hideCursor() {
        if (this.container && !this.video.paused) {
            this.container.style.cursor = 'none';
        }
    },
    
    /**
     * Hide cursor with a timeout
     */
    hideCursorWithTimeout() {
        this.resetMouseTimeout();
        this.mouseTimeout = setTimeout(() => {
            this.hideCursor();
        }, 3000); // 3 seconds
    },
    
    /**
     * Reset the mouse timeout
     */
    resetMouseTimeout() {
        if (this.mouseTimeout) {
            clearTimeout(this.mouseTimeout);
            this.mouseTimeout = null;
        }
    },
    
    /**
     * Handle mouse movement inside the container
     */
    handleMouseMove() {
        this.showControls();
        if (!this.video.paused) {
            this.resetMouseTimeout();
            this.hideCursorWithTimeout();
        }
    },
    
    /**
     * Handle mouse entering the container
     */
    handleMouseEnter() {
        this.isMouseOverContainer = true;
        this.showControls();
    },
    
    /**
     * Handle mouse leaving the container
     */
    handleMouseLeave() {
        this.isMouseOverContainer = false;
        this.hideControls();
    },
    
    /**
     * Hide controls with a timeout
     */
    hideControlsWithTimeout() {
        this.resetControlsTimeout();
        this.controlsTimeout = setTimeout(() => {
            this.hideControls();
        }, 3000); // Changed to 3 seconds
    },
    
    /**
     * Reset the controls timeout
     */
    resetControlsTimeout() {
        if (this.controlsTimeout) {
            clearTimeout(this.controlsTimeout);
            this.controlsTimeout = null;
        }
    },
    
    /**
     * Set up auto-hide functionality for controls
     */
    setupAutoHide() {
        // Note: These event listeners are already added in setupEventListeners()
        // so we don't need to add them again here to prevent duplicate execution
    },
    
    /**
     * Set up mouse inactivity detection
     */
    setupMouseInactivityDetection() {
        // Initial state - show cursor
        this.showCursor();
        
        // Set up initial timeout if video is playing
        if (!this.video.paused) {
            this.hideCursorWithTimeout();
        }
    },
    
    /**
     * Handle window resize events
     */
    handleResize() {
        // Show controls during resize to ensure they're visible
        this.showControls();
        
        // Auto-hide after resize is complete
        clearTimeout(this.resizeTimeout);
        this.resizeTimeout = setTimeout(() => {
            if (!this.video.paused) {
                this.hideControlsWithTimeout();
                this.hideCursorWithTimeout();
            }
        }, 1000);
    },
    
    /**
     * Set up focus handling for top controls
     */
    setupTopControlsFocusHandling() {
        // Get top control buttons and select
        const infoBtn = document.querySelector('button[onclick="showInfo()"]');
        const shareBtn = document.querySelector('button[onclick="shareVideo()"]');
        const downloadBtn = document.querySelector('button[onclick="downloadVideo()"]');
        const qualitySelector = document.getElementById('quality-selector');
        
        // Add blur() calls to top control buttons
        if (infoBtn) {
            infoBtn.addEventListener('click', () => {
                infoBtn.blur();
            });
        }
        
        if (shareBtn) {
            shareBtn.addEventListener('click', () => {
                shareBtn.blur();
            });
        }
        
        if (downloadBtn) {
            downloadBtn.addEventListener('click', () => {
                downloadBtn.blur();
            });
        }
        
        if (qualitySelector) {
            qualitySelector.addEventListener('change', () => {
                qualitySelector.blur();
            });
        }
    },
};

// @license-end