<?php
/**
 * Helper / Utility Functions
 *
 * General-purpose helpers used across the theme, blocks, and other inc/ files.
 * Keep functions small, focused, and prefix them with sk_ to avoid conflicts.
 */
// ─────────────────────────────────────────────────────────────────────────────
// Theme Setup
// ─────────────────────────────────────────────────────────────────────────────
/**
 * Enable core WordPress theme features.
 */
function sk_theme_setup()
{
    add_theme_support('post-thumbnails');
    add_theme_support('custom-logo');
}
add_action('after_setup_theme', 'sk_theme_setup');
// ─────────────────────────────────────────────────────────────────────────────
// Upload Permissions
// ─────────────────────────────────────────────────────────────────────────────
/**
 * Allow SVG file uploads.
 */
function sk_allow_svg_upload($mimes)
{
    $mimes['svg'] = 'image/svg+xml';
    return $mimes;
}
add_filter('upload_mimes', 'sk_allow_svg_upload');
/**
 * Allow WebP file uploads.
 */
function sk_allow_webp_uploads($mimes)
{
    $mimes['webp'] = 'image/webp';
    return $mimes;
}
add_filter('upload_mimes', 'sk_allow_webp_uploads');
/**
 * Allow JSON file uploads.
 */
function sk_allow_json_uploads($mimes)
{
    $mimes['json'] = 'application/json';
    return $mimes;
}
add_filter('upload_mimes', 'sk_allow_json_uploads');
/**
 * Grant unfiltered_upload capability to administrators.
 */
add_filter('user_has_cap', function ($allcaps, $cap, $args) {
    if ($args[0] === 'upload_files' && current_user_can('administrator')) {
        $allcaps['unfiltered_upload'] = true;
    }
    return $allcaps;
}, 10, 3);
// ─────────────────────────────────────────────────────────────────────────────
// Post View Tracking
// ─────────────────────────────────────────────────────────────────────────────
/**
 * Track post view counts via post meta.
 * Fires on wp_head for singular post/page/CPT views.
 */
function sk_track_post_views()
{
    if (! is_singular()) return;
    global $post;
    $views = (int) get_post_meta($post->ID, 'post_views_count', true);
    update_post_meta($post->ID, 'post_views_count', $views + 1);
}
add_action('wp_head', 'sk_track_post_views');
// ─────────────────────────────────────────────────────────────────────────────
// Social Share Shortcode
// ─────────────────────────────────────────────────────────────────────────────
/**
 * Outputs social share buttons.
 * Usage: [social_share]
 */
function sk_dynamic_social_share_shortcode()
{
    $post_url   = urlencode(get_permalink());
    $post_title = urlencode(get_the_title());
    ob_start(); ?>
    <div class="custom-social-share">
        <a href="https://www.facebook.com/sharer/sharer.php?u=<?php echo $post_url; ?>"
            target="_blank" aria-label="Share on Facebook">
            <i class="fab fa-facebook-f"></i>
        </a>
        <a href="https://twitter.com/intent/tweet?url=<?php echo $post_url; ?>&text=<?php echo $post_title; ?>"
            target="_blank" aria-label="Share on Twitter">
            <i class="fab fa-twitter"></i>
        </a>
        <a href="https://www.linkedin.com/sharing/share-offsite/?url=<?php echo $post_url; ?>"
            target="_blank" aria-label="Share on LinkedIn">
            <i class="fab fa-linkedin-in"></i>
        </a>
        <a href="mailto:?subject=<?php echo $post_title; ?>&body=<?php echo $post_url; ?>"
            aria-label="Share via Email">
            <i class="fas fa-envelope"></i>
        </a>
    </div>
<?php
    return ob_get_clean();
}
add_shortcode('social_share', 'sk_dynamic_social_share_shortcode');
// ─────────────────────────────────────────────────────────────────────────────
// Block Preview Images
// ─────────────────────────────────────────────────────────────────────────────
/**
 * Resolve preview image URL for block previews (admin only).
 */
function sk_resolve_preview_image_url($preview_image)
{
    if (strpos($preview_image, 'http://') === 0 || strpos($preview_image, 'https://') === 0) {
        return $preview_image;
    }
    return get_theme_file_uri('/' . ltrim($preview_image, '/'));
}
/**
 * Render block preview image in the editor.
 * Returns true if preview was rendered, false otherwise.
 */
function sk_render_block_preview_image($block, $alt_text)
{
    if (! is_admin()) return false;
    $preview = '';
    if (! empty($block['data']['preview_image'])) {
        $preview = $block['data']['preview_image'];
    } elseif (! empty($block['example']['attributes']['data']['preview_image'])) {
        $preview = $block['example']['attributes']['data']['preview_image'];
    }
    if ($preview) {
        echo '<img src="' . esc_url(sk_resolve_preview_image_url($preview)) . '" style="width:100%; height:auto;" alt="' . esc_attr($alt_text) . '" />';
        return true;
    }
    return false;
}
add_filter('styles_inline_size_limit', '__return_zero');
// ─────────────────────────────────────────────────────────────────────────────
// Greenhouse Jobs API
// ─────────────────────────────────────────────────────────────────────────────
/**
 * Fetch jobs from Greenhouse API for SuccessKPI.
 */
function success_greenhouse_jobs()
{
    $token = 'successkpiinc';
    return file_get_contents('https://boards-api.greenhouse.io/v1/boards/' . $token . '/jobs?content=true');
}
// ─────────────────────────────────────────────────────────────────────────────
// ACF Post Type Choices (shared by acf.php and ajax.php)
// ─────────────────────────────────────────────────────────────────────────────
/**
 * Returns compiled metadata for resource post types (labels and play button status).
 * Avoids repeating loops in multiple blocks and AJAX handlers.
 *
 * @return array
 */
function sk_get_resource_metadata()
{
    static $metadata = null;
    if ($metadata !== null) return $metadata;
    $config = sk_get_resource_cpts();
    $labels = array('post' => 'Blog');
    $play_buttons = array();
    foreach ($config as $slug => $data) {
        $labels[$slug] = $data['singular'];
        if (! empty($data['has_play_btn'])) {
            $play_buttons[] = $slug;
        }
    }
    $metadata = array(
        'labels'       => $labels,
        'play_buttons' => $play_buttons,
        'all_slugs'    => array_keys($labels),
    );
    return $metadata;
}
/**
 * Returns a key => label map of all allowed post types (blog + resource CPTs).
 * Used by ACF field loaders and AJAX handlers.
 *
 * @return array
 */
function sk_get_acf_post_type_choices()
{
    $choices = array('post' => 'Blog (Posts)');
    foreach (sk_get_resource_cpts() as $slug => $cpt) {
        $choices[$slug] = $cpt['plural'];
    }
    return $choices;
}
/**
 * Renders a single resource card for the all-resources-with-filters-block.
 * Used by both index.php (initial load) and ajax.php (filtering).
 *
 * @param int    $post_id        The post ID.
 * @param array  $type_label_map Map of post_type => singular label.
 * @param array  $cta_map        Map of post_type => default CTA text.
 * @param array  $play_btn_types List of post types that show a play button.
 */
function sk_render_all_resources_card($post_id, $type_label_map = array(), $cta_map = array(), $play_btn_types = array())
{
    $post_type = get_post_type($post_id);
    if ($post_type === 'post') {
        $type_label = 'Blog';
    } elseif ($post_type === 'webinars') {
        $field = get_field_object('webinar_event_type', $post_id);
        if (
            ! empty($field['value']) &&
            ! empty($field['choices'][$field['value']])
        ) {
            $type_label = $field['choices'][$field['value']];
        } else {
            $type_label = $type_label_map['webinars'] ?? 'Unknown Webinar Type';
        }
    } else {
        $type_label = isset($type_label_map[$post_type]) ? $type_label_map[$post_type] : ucfirst($post_type);
    }
    $show_play_btn = in_array($post_type, $play_btn_types, true);
    //cta logic for webinars  rest is same as acf approach
    if ($post_type === 'webinars') {
        $cta_text = get_field('card_cta', $post_id);
        if (empty($cta_text)) {
            $cta_text = 'Watch Now';
        }
    } else {
        $cta_text = get_field('resource_cta_text', $post_id);
        if (empty($cta_text)) {
            $cta_text = isset($cta_map[$post_type])
                ? $cta_map[$post_type]
                : 'Read More';
        }
    }
    $ext_url  = get_field('resource_external_url', $post_id);
    $card_url = ! empty($ext_url) ? esc_url($ext_url) : esc_url(get_permalink($post_id));
    $r_terms_raw   = get_the_terms($post_id, 'resource_category');
    $r_terms       = (! is_wp_error($r_terms_raw) && ! empty($r_terms_raw)) ? array_values($r_terms_raw) : array();
    $data_category = ! empty($r_terms) ? $r_terms[0]->slug : '';
    $thumb_url = get_the_post_thumbnail_url($post_id, 'medium_large');
    $thumb_alt = get_the_title($post_id);
    $excerpt   = get_the_excerpt($post_id);
?>
    <div class="resource-card" data-type="<?php echo esc_attr($post_type); ?>" data-category="<?php echo esc_attr($data_category); ?>">
        <a href="<?php echo $card_url; ?>" class="card-thumb-link">
            <div class="card-thumb">
                <?php if ($thumb_url) : ?>
                    <img src="<?php echo esc_url($thumb_url); ?>" alt="<?php echo esc_attr($thumb_alt); ?>" loading="lazy" />
                <?php else : ?>
                    <img src="<?php echo esc_url(get_template_directory_uri() . '/assets/images/resource-placeholder.jpg'); ?>" alt="<?php echo esc_attr($thumb_alt); ?>" loading="lazy" />
                <?php endif; ?>
                <?php if ($show_play_btn) : ?>
                    <div class="card-play-btn">
                        <div class="card-play-btn__icon"></div>
                    </div>
                <?php endif; ?>
            </div>
        </a>
        <div class="card-body">
            <a href="<?php echo $card_url; ?>" class="event-button resource-type-tag <?php echo esc_attr($post_type); ?>"><?php echo esc_html($type_label); ?></a>
            <h3 class="card-title">
                <a href="<?php echo $card_url; ?>"><?php echo get_the_title($post_id); ?></a>
            </h3>
            <?php if ($excerpt) : ?>
                <p class="card-desc paragraph"><?php echo esc_html($excerpt); ?></p>
            <?php endif; ?>
            <a href="<?php echo $card_url; ?>" class="card-read-more"><?php echo esc_html($cta_text); ?></a>
        </div>
    </div>
<?php
}
add_action('admin_menu', function () {
    global $menu;
    $media = $menu[10];
    unset($menu[10]);
    $menu[25] = $media;
});
/**
 * Remove default WP category support from posts
 */
add_action('init', function () {
    unregister_taxonomy_for_object_type(
        'category',
        'post'
    );
}, 100);
/**
 * Global fallback ALT text
 * Uses attachment title if ALT is missing
 */
function sk_start_output_buffer() {
    ! is_admin() ? ob_start( 'sk_fix_empty_image_alt' ) : null;
}
add_action( 'template_redirect', 'sk_start_output_buffer' );

/**
 * Resolve attachment ID from any image URL variant.
 * Handles scaled images, thumbnails, and query strings.
 */
function sk_get_attachment_id_from_url( string $url ): int {
    $url       = strtok( $url, '?' );
    $id        = attachment_url_to_postid( $url );
    $clean_url = $id ? $url : preg_replace( '/-\d+x\d+(\.[a-z]{2,5})$/i', '$1', $url );
    $id        = ( ! $id && $clean_url !== $url ) ? attachment_url_to_postid( $clean_url ) : $id;
    if ( $id ) {
        return $id;
    }
    global $wpdb;
    $filename = basename( $clean_url );
    return (int) $wpdb->get_var(
        $wpdb->prepare(
            "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = '_wp_attached_file' AND meta_value LIKE %s LIMIT 1",
            '%' . $wpdb->esc_like( $filename )
        )
    );
}

/**
 * Build a clean ALT string from an attachment title.
 */
function sk_build_alt_from_title( int $attachment_id ): string {
    if ( ! $attachment_id ) {
        return '';
    }
    $title = get_the_title( $attachment_id );
    if ( empty( $title ) ) {
        return '';
    }
    $alt = strtolower( $title );
    $alt = preg_replace( '/\b\d+x\d+\b/i', '', $alt );
    $alt = preg_replace( '/[-_]+/', ' ', $alt );
    $alt = preg_replace( '/[^a-z\s]+/', '', $alt );
    $alt = preg_replace( '/\b[a-z]\b/', '', $alt );
    $alt = preg_replace( '/\s+/', ' ', $alt );
    return trim( $alt );
}

/**
 * Output-buffer callback: inject ALT text on every <img> missing one.
 */
function sk_fix_empty_image_alt( string $html ): string {
    return preg_replace_callback(
        '/<img\s[^>]+>/i',
        function ( array $matches ): string {
            $img_tag      = $matches[0];
            preg_match( '/\balt\s*=\s*(["\'])(?P<alt>.*?)\1/is', $img_tag, $alt_match );
            $existing_alt = trim( $alt_match['alt'] ?? '' );
            if ( $existing_alt !== '' ) {
                return $img_tag;
            }
            preg_match( '/\bsrc\s*=\s*(["\'])(?P<src>.+?)\1/is', $img_tag, $src_match );
            $src = trim( $src_match['src'] ?? '' );
            if ( empty( $src ) ) {
                return $img_tag;
            }
            $new_alt = sk_build_alt_from_title( sk_get_attachment_id_from_url( $src ) );
            $result  = preg_match( '/\balt\s*=\s*(["\'])\s*\1/i', $img_tag )
                ? preg_replace( '/\balt\s*=\s*(["\'])\s*\1/i', 'alt="' . esc_attr( $new_alt ) . '"', $img_tag, 1 )
                : preg_replace( '/^<img\b/i', '<img alt="' . esc_attr( $new_alt ) . '"', $img_tag );
            return $result ?? $img_tag;
        },
        $html
    );
}