<?php

if (!defined('ABSPATH')) { exit; }

if (class_exists('AIEO_Gallery_Lightbox_Frontend', false)) { return; }

class AIEO_Gallery_Lightbox_Frontend {

    
    const OPTION_KEY = 'aieo_dmm_gallery_settings';

    
    const GALLERY_RENDERS_OPTION = 'aieo_wc_gallery_renders';

    
    private static $registered = false;

    public static function register() {
        if (self::$registered) { return; }
        self::$registered = true;

        add_action('wp_enqueue_scripts', array(__CLASS__, 'enqueue_gallery'));
        add_action('wp_enqueue_scripts', array(__CLASS__, 'enqueue_lightbox'));
        add_action('wp_enqueue_scripts', array(__CLASS__, 'enqueue_autoopen'));
        
        
        add_filter('woocommerce_gallery_image_html_attachment_image_params', array(__CLASS__, 'gallery_image_sizes'), 20, 4);
        add_filter('woocommerce_single_product_photoswipe_options', array(__CLASS__, 'photoswipe_options'));
        
        
        
        add_filter('woocommerce_single_product_image_gallery_classes', array(__CLASS__, 'gallery_classes'));
        add_filter('woocommerce_single_product_carousel_options', array(__CLASS__, 'carousel_options'));
    }

    

    
    public static function gallery_mode() {
        if (class_exists('AIEO_Theme_Adapters')) {
            $m = AIEO_Theme_Adapters::effective_mode('gallery');
            return ('aieo' === $m) ? 'aieo' : 'theme';
        }
        $v = get_option('aieo_dmm_gallery_design_source', '');
        return ('aieo' === $v) ? 'aieo' : 'theme';
    }

    
    public static function lightbox_mode() {
        if (class_exists('AIEO_Theme_Adapters')) {
            return AIEO_Theme_Adapters::effective_mode('lightbox');
        }
        $v = get_option('aieo_dmm_lightbox_design_source', '');
        return in_array($v, array('theme', 'aieo'), true) ? $v : '';
    }

    
    public static function renders_gallery() {
        if ('theme' === self::gallery_mode()) { return false; }

        
        return (bool) apply_filters('aieo_pdp_gallery_enabled', true);
    }

    
    public static function owns_lightbox() {
        return 'aieo' === self::lightbox_mode();
    }

    

    
    public static function settings() {
        $s = get_option(self::OPTION_KEY, array());
        if (!is_array($s)) { $s = array(); }

        $n = isset($s['visible_thumbs']) ? (int) $s['visible_thumbs'] : 3;
        if ($n < 2) { $n = 2; }
        if ($n > 8) { $n = 8; }
        $mode = isset($s['thumbs_height_mode']) ? (string) $s['thumbs_height_mode'] : 'count';
        if (!in_array($mode, array('count', 'fill'), true)) { $mode = 'count'; }

        $lb = array(
            'lb_thumbnails'             => true,
            'lb_thumb_size'             => 96,
            'lb_thumb_radius'           => 0,
            'lb_thumb_equal'            => false,
            'lb_thumb_border'           => false,
            'lb_thumb_border_colour'    => '#ffffff',
            'lb_dots'                   => true,
            'lb_counter'                => true,
            'lb_share'                  => false,
            'lb_arrow_style'            => 'square',
            'lb_arrow_colour'           => '#333333',
            'lb_backdrop_style'         => 'dark',
            'lb_backdrop_opacity'       => 0.95,
            'lb_autoplay'               => false,
            'lb_autoplay_delay'         => 4000,
            'lb_autoplay_pause_on_hover'=> true,
            'lb_loop'                   => true,
            'lb_close_on_scroll'        => false,
        );
        foreach ($lb as $k => $v) {
            if (isset($s[$k])) { $lb[$k] = is_bool($v) ? (bool) $s[$k] : $s[$k]; }
        }
        $lb['lb_thumb_size']       = max(48, min(200, (int) $lb['lb_thumb_size']));
        $lb['lb_thumb_radius']     = max(0, min(24, (int) $lb['lb_thumb_radius']));
        $lb['lb_autoplay_delay']   = max(1000, min(20000, (int) $lb['lb_autoplay_delay']));
        $lb['lb_backdrop_opacity'] = max(0, min(1, (float) $lb['lb_backdrop_opacity']));
        if (!in_array($lb['lb_arrow_style'], array('square', 'round', 'minimal', 'long', 'chevron'), true)) { $lb['lb_arrow_style'] = 'square'; }
        if (!in_array($lb['lb_backdrop_style'], array('dark', 'light', 'glass'), true)) { $lb['lb_backdrop_style'] = 'dark'; }
        $c = is_string($lb['lb_arrow_colour']) ? $lb['lb_arrow_colour'] : '';
        $lb['lb_arrow_colour'] = preg_match('/^#[0-9a-fA-F]{3,8}$/', $c) ? $c : '#333333';
        $c = is_string($lb['lb_thumb_border_colour']) ? $lb['lb_thumb_border_colour'] : '';
        $lb['lb_thumb_border_colour'] = preg_match('/^#[0-9a-fA-F]{3,8}$/', $c) ? $c : '#ffffff';

        $ao = array(
            'ao_mode'             => 'disabled',
            'ao_slide'            => 0,
            'ao_mobile'           => true,
            'ao_breakpoint'       => 768,
            'ao_listing_patterns' => "/product-category/\n/shop\n?s=",
        );
        foreach ($ao as $k => $v) {
            if (isset($s[$k])) { $ao[$k] = is_bool($v) ? (bool) $s[$k] : $s[$k]; }
        }
        if (!in_array($ao['ao_mode'], array('disabled', 'always', 'listing', 'internal'), true)) { $ao['ao_mode'] = 'disabled'; }
        $ao['ao_slide']      = max(0, min(50, (int) $ao['ao_slide']));
        $ao['ao_breakpoint'] = max(0, min(4000, (int) $ao['ao_breakpoint']));
        $ao['ao_listing_patterns'] = is_string($ao['ao_listing_patterns']) ? $ao['ao_listing_patterns'] : '';

        
        
        
        
        $pos    = isset($s['thumbs_position']) ? (string) $s['thumbs_position'] : 'left';
        $arrows = isset($s['arrow_style']) ? (string) $s['arrow_style'] : 'long';
        if (self::theme_sets_gallery()) {
            $pos    = (string) ( function_exists( 'rooster_setting' ) ? 'rooster_setting' : 'roosterx_setting' )('design', 'gallery_thumbs', 'right');
            $arrows = (string) ( function_exists( 'rooster_setting' ) ? 'rooster_setting' : 'roosterx_setting' )('design', 'gallery_arrows', 'long');
            $lb['lb_arrow_style'] = in_array($arrows, array('long', 'chevron'), true) ? $arrows : 'long';
        }
        if (!in_array($pos, array('left', 'right', 'bottom', 'top'), true)) { $pos = 'left'; }
        if (!in_array($arrows, array('long', 'chevron'), true)) { $arrows = 'long'; }
        return array_merge(array(
            'visible_thumbs'     => $n,
            'thumbs_height_mode' => $mode,
            'thumbs_position'    => $pos,
            'arrow_style'        => $arrows,
        ), $lb, $ao);
    }

    
    public static function theme_sets_gallery() {
        return ( function_exists( 'rooster_setting' ) || function_exists( 'roosterx_setting' ) ) && ( function_exists( 'rooster_icon' ) || function_exists( 'roosterx_icon' ) );
    }

    
    public static function icon($slug) {
        $slug = (string) $slug;
        if (( function_exists( 'rooster_icon' ) || function_exists( 'roosterx_icon' ) )) {
            $svg = (string) ( function_exists( 'rooster_icon' ) ? 'rooster_icon' : 'roosterx_icon' )($slug);
            if ('' !== $svg) { return $svg; }
        }
        $paths = array(
            'move-left'     => '<path d="M6 8L2 12L6 16"/><path d="M2 12H22"/>',
            'move-right'    => '<path d="M18 8L22 12L18 16"/><path d="M2 12H22"/>',
            'move-up'       => '<path d="M8 6L12 2L16 6"/><path d="M12 2V22"/>',
            'move-down'     => '<path d="M8 18L12 22L16 18"/><path d="M12 2V22"/>',
            'chevron-left'  => '<path d="m15 18-6-6 6-6"/>',
            'chevron-right' => '<path d="m9 18 6-6-6-6"/>',
            'chevron-up'    => '<path d="m18 15-6-6-6 6"/>',
            'chevron-down'  => '<path d="m6 9 6 6 6-6"/>',
            'x'             => '<path d="M18 6 6 18"/><path d="m6 6 12 12"/>',
        );
        if (!isset($paths[$slug])) { return ''; }
        return '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true" focusable="false">' . $paths[$slug] . '</svg>';
    }

    
    public static function arrow_icons($style) {
        $p = ('chevron' === $style) ? 'chevron-' : 'move-';
        return array(
            'prev' => self::icon($p . 'left'),
            'next' => self::icon($p . 'right'),
            'up'   => self::icon($p . 'up'),
            'down' => self::icon($p . 'down'),
            'x'    => self::icon('x'),
        );
    }

    
    public static function gallery_classes($classes) {
        if (!self::renders_gallery()) { return $classes; }
        $s = self::settings();
        $classes = is_array($classes) ? $classes : (array) $classes;
        $classes[] = 'aieo-gl-thumbs-' . $s['thumbs_position'];
        $classes[] = 'aieo-gl-arrows-' . $s['arrow_style'];
        return $classes;
    }

    
    public static function carousel_options($options) {
        if (!self::renders_gallery()) { return $options; }
        $options = is_array($options) ? $options : array();
        $icons   = self::arrow_icons(self::settings()['arrow_style']);
        $options['directionNav'] = true;
        $options['prevText']     = $icons['prev'];
        $options['nextText']     = $icons['next'];
        return $options;
    }

    

    
    private static function asset($rel) {
        $path = dirname(__DIR__) . '/' . $rel;
        $ver  = file_exists($path) ? filemtime($path) : '1.0';
        return array(plugins_url($rel, __DIR__), $ver);
    }

    

    
    public static function enqueue_gallery() {
        if (!function_exists('is_product') || !is_product()) { return; }
        if (!self::renders_gallery()) { return; }

        list($url, $ver) = self::asset('assets/css/aieo-pdp-gallery.css');
        wp_enqueue_style('aieo-pdp-gallery', $url, array(), $ver);

        
        
        
        
        
        
        
        $gs = self::settings();
        if ('fill' === $gs['thumbs_height_mode']) {
            wp_add_inline_style('aieo-pdp-gallery',
                '@media (min-width:768px){'
                . '.single-product .woocommerce-product-gallery .flex-control-thumbs{max-height:100%}'
                . '.single-product .woocommerce-product-gallery .aieo-gallery-thumbs-strip{justify-content:space-between}'
                . '.single-product .woocommerce-product-gallery .aieo-gallery-thumbs-strip .flex-control-thumbs{max-height:none;flex:1 1 auto}'
                . '}'
            );
        } elseif (3 !== (int) $gs['visible_thumbs']) {
            $n   = (int) $gs['visible_thumbs'];
            $cap = ($n * 104) + (($n - 1) * 8);
            wp_add_inline_style('aieo-pdp-gallery',
                '@media (min-width:768px){'
                . '.single-product .woocommerce-product-gallery .flex-control-thumbs,'
                . '.single-product .woocommerce-product-gallery .aieo-gallery-thumbs-strip .flex-control-thumbs{max-height:' . $cap . 'px}'
                . '}'
            );
        }

        
        
        
        if (in_array($gs['thumbs_position'], array('bottom', 'top'), true)) {
            $n   = (int) $gs['visible_thumbs'];
            $cap = ('fill' === $gs['thumbs_height_mode']) ? 'none' : (($n * 104) + (($n - 1) * 8)) . 'px';
            wp_add_inline_style('aieo-pdp-gallery',
                '@media (min-width:768px){'
                . '.single-product .woocommerce-product-gallery.aieo-gl-thumbs-' . $gs['thumbs_position'] . ' .flex-control-thumbs{max-width:' . $cap . ';max-height:none}'
                . '}'
            );
        }
        list($jsurl, $jsver) = self::asset('assets/js/aieo-pdp-gallery.js');
        wp_enqueue_script('aieo-pdp-gallery', $jsurl, array('jquery'), $jsver, array('in_footer' => true, 'strategy' => 'defer'));
        
        
        wp_add_inline_script('aieo-pdp-gallery', 'window.aieoPdpGallery=' . wp_json_encode(array(
            'position' => (string) $gs['thumbs_position'],
            'arrows'   => (string) $gs['arrow_style'],
            'icons'    => self::arrow_icons($gs['arrow_style']),
        )) . ';', 'before');

        
        
        
        
        
        add_filter('rocket_delay_js_exclusions', array(__CLASS__, 'gallery_rocket_exclusions'));
        add_filter('rocket_exclude_defer_js', array(__CLASS__, 'gallery_rocket_exclusions'));
        add_filter('rocket_rucss_safelist', array(__CLASS__, 'gallery_rucss_safelist'));
    }

    public static function gallery_rocket_exclusions($excluded) {
        if (!is_array($excluded)) { $excluded = array(); }
        $excluded[] = 'aieo-pdp-gallery';
        return $excluded;
    }

    public static function gallery_rucss_safelist($safelist) {
        if (!is_array($safelist)) { $safelist = array(); }
        $safelist[] = '.aieo-gallery-thumbs-strip';
        $safelist[] = '.aieo-gallery-arrow';
        $safelist[] = '.flex-direction-nav';
        $safelist[] = '.aieo-gl-thumbs-left';
        $safelist[] = '.aieo-gl-thumbs-right';
        $safelist[] = '.aieo-gl-thumbs-bottom';
        $safelist[] = '.aieo-gl-thumbs-top';
        $safelist[] = '.flex-control-thumbs';
        $safelist[] = '.elastislide-wrapper';
        $safelist[] = '.elastislide-carousel';
        return $safelist;
    }

    
    public static function gallery_sizes_attr() {
        return (string) apply_filters('aieo_pdp_gallery_image_sizes', '(max-width: 991px) 100vw, 48vw');
    }

    
    public static function gallery_image_sizes($params, $attachment_id = 0, $image_size = '', $main_image = false) {
        if (is_array($params) && function_exists('is_product') && is_product() && self::renders_gallery()) {
            $params['sizes'] = self::gallery_sizes_attr();
            self::record_gallery_renders_here();
        }
        return $params;
    }

    
    private static function record_gallery_renders_here() {
        static $checked = false;
        if ($checked) { return; }
        $checked = true;
        if (get_option(self::GALLERY_RENDERS_OPTION) !== 'yes') {
            update_option(self::GALLERY_RENDERS_OPTION, 'yes', true);
        }
    }

    

    
    public static function photoswipe_options($o) {
        if (!self::owns_lightbox() || !function_exists('is_product') || !is_product()) { return $o; }
        if (!is_array($o)) { $o = array(); }
        $s = self::settings();
        $o = array_merge($o, array(
            'shareEl'       => (bool) $s['lb_share'],
            'counterEl'     => (bool) $s['lb_counter'],
            'bgOpacity'     => round((float) $s['lb_backdrop_opacity'], 2),
            'loop'          => (bool) $s['lb_loop'],
            'closeOnScroll' => (bool) $s['lb_close_on_scroll'],
            'history'       => false,
        ));

        
        
        
        
        $bottom = 0;
        if ($s['lb_thumbnails']) { $bottom += (int) $s['lb_thumb_size'] + 20; } 
        if ($s['lb_dots'])       { $bottom += 26; }                            
        if ($bottom > 0) {
            $o['barsSize'] = array('top' => 44, 'bottom' => $bottom + 8);
        }

        return $o;
    }

    
    public static function enqueue_lightbox() {
        if (!function_exists('is_product') || !is_product()) { return; }
        if (!self::owns_lightbox()) { return; }
        if (!current_theme_supports('wc-product-gallery-lightbox')) { return; }

        $s = self::settings();

        list($url, $ver) = self::asset('assets/css/aieo-lightbox.css');
        wp_enqueue_style('aieo-lightbox', $url, array(), $ver);
        wp_add_inline_style('aieo-lightbox',
            ':root{--aieo-lb-accent:' . $s['lb_arrow_colour']
            . ';--aieo-lb-thumb:' . (int) $s['lb_thumb_size'] . 'px'
            . ';--aieo-lb-thumb-radius:' . (int) $s['lb_thumb_radius'] . 'px'
            . ';--aieo-lb-thumb-border:' . ($s['lb_thumb_border'] ? $s['lb_thumb_border_colour'] : 'transparent') . '}');

        list($jsurl, $jsver) = self::asset('assets/js/aieo-lightbox.js');
        wp_enqueue_script('aieo-lightbox', $jsurl, array(), $jsver, array('in_footer' => true, 'strategy' => 'defer'));
        
        
        wp_add_inline_script('aieo-lightbox', 'window.aieoLightbox=' . wp_json_encode(array(
            'thumbnails'    => (bool) $s['lb_thumbnails'],
            'dots'          => (bool) $s['lb_dots'],
            'autoplay'      => (bool) $s['lb_autoplay'],
            'autoplayDelay' => (int) $s['lb_autoplay_delay'],
            'pauseOnHover'  => (bool) $s['lb_autoplay_pause_on_hover'],
            'arrowStyle'    => (string) $s['lb_arrow_style'],
            'backdrop'      => (string) $s['lb_backdrop_style'],
            'thumbEqual'    => (bool) $s['lb_thumb_equal'],
            
            
            'icons'         => in_array((string) $s['lb_arrow_style'], array('long', 'chevron'), true) ? self::arrow_icons($s['lb_arrow_style']) : null,
        )) . ';', 'before');

        
        
        
        add_filter('rocket_delay_js_exclusions', array(__CLASS__, 'lightbox_rocket_exclusions'));
        add_filter('rocket_exclude_defer_js', array(__CLASS__, 'lightbox_rocket_exclusions'));
        add_filter('rocket_rucss_safelist', array(__CLASS__, 'lightbox_rucss_safelist'));
    }

    public static function lightbox_rocket_exclusions($excluded) {
        if (!is_array($excluded)) { $excluded = array(); }
        $excluded[] = 'aieo-lightbox';
        $excluded[] = 'aieoLightbox'; 
        return $excluded;
    }

    public static function lightbox_rucss_safelist($safelist) {
        if (!is_array($safelist)) { $safelist = array(); }
        $safelist[] = '.aieo-lb-arrows-long';
        $safelist[] = '.aieo-lb-arrows-chevron';
        $safelist[] = '.aieo-lb-x';
        $safelist[] = '.aieo-lb-bottom';
        $safelist[] = '.aieo-lb-dots';
        $safelist[] = '.aieo-lb-dot';
        $safelist[] = '.aieo-lb-strip';
        $safelist[] = '.aieo-lb-thumb';
        $safelist[] = '.aieo-lb-has-strip';
        return $safelist;
    }

    

    
    public static function enqueue_autoopen() {
        if (!function_exists('is_product') || !is_product()) { return; }
        $s = self::settings();
        if ('disabled' === $s['ao_mode']) { return; }

        list($url, $ver) = self::asset('assets/js/aieo-lb-autoopen.js');
        wp_enqueue_script('aieo-lb-autoopen', $url, array(), $ver, array('in_footer' => true, 'strategy' => 'defer'));
        wp_add_inline_script('aieo-lb-autoopen', 'window.aieoLbAutoOpen=' . wp_json_encode(array(
            'mode'     => (string) $s['ao_mode'],
            'slide'    => (int) $s['ao_slide'],
            'mobile'   => (bool) $s['ao_mobile'],
            'bp'       => (int) $s['ao_breakpoint'],
            'listings' => array_values(array_filter(preg_split('/\R/', (string) $s['ao_listing_patterns']))),
        )) . ';', 'before');

        
        add_filter('rocket_delay_js_exclusions', array(__CLASS__, 'autoopen_rocket_exclusions'));
        add_filter('rocket_exclude_defer_js', array(__CLASS__, 'autoopen_rocket_exclusions'));
    }

    public static function autoopen_rocket_exclusions($excluded) {
        if (!is_array($excluded)) { $excluded = array(); }
        $excluded[] = 'aieo-lb-autoopen';
        $excluded[] = 'aieoLbAutoOpen'; 
        return $excluded;
    }
}