<?php
/**
 * Unified single post composition (Zibll-style closed surface).
 *
 * single.php stays a thin shell. All article assembly lives here.
 *
 * @package AKSRT
 */

defined('ABSPATH') || exit;

if (!function_exists('aksrt_single_build_context')) :
	/**
	 * Resolve the single-page view model once.
	 *
	 * @param int|null $post_id Post ID.
	 * @return array<string,mixed>
	 */
	function aksrt_single_build_context($post_id = null): array {
		$post_id = $post_id ? (int) $post_id : (int) get_the_ID();
		$settings = function_exists('aksrt_resolve_single_post_display_settings')
			? aksrt_resolve_single_post_display_settings($post_id)
			: [];

		$views = function_exists('aksrt_get_post_views') ? (int) aksrt_get_post_views($post_id) : 0;
		$comment_count = (int) get_comments_number($post_id);
		$like_count = function_exists('aksrt_get_post_likes') ? (int) aksrt_get_post_likes($post_id) : 0;
		$favorite_count = function_exists('aksrt_get_post_favorites') ? (int) aksrt_get_post_favorites($post_id) : 0;
		$word_count = function_exists('aksrt_post_word_count') && !empty($settings['word_count_enabled'])
			? aksrt_post_word_count($post_id)
			: 0;
		$reading_minutes = function_exists('aksrt_reading_minutes') && !empty($settings['reading_time_enabled'])
			? aksrt_reading_minutes($post_id)
			: 0;

		// Zibll primary meta = comment/views/likes via meta_box_html.
		$meta_items = [];
		$meta_box_html = function_exists('aksrt_get_single_meta_box')
			? aksrt_get_single_meta_box('abs-right', 'down', $post_id)
			: '';
		$meta_items_secondary = [];
		if ($word_count > 0) {
			$meta_items_secondary[] = [
				'icon' => 'far fa-file-word',
				'text' => sprintf(__('约 %s 字', 'aksrt'), number_format_i18n($word_count)),
			];
		}
		if ($reading_minutes > 0) {
			$meta_items_secondary[] = [
				'icon' => 'far fa-hourglass',
				'text' => sprintf(_n('约 %d 分钟', '约 %d 分钟', $reading_minutes, 'aksrt'), $reading_minutes),
			];
		}

		$copyright = trim((string) ($settings['copyright_text'] ?? ''));
		if ($copyright === '') {
			$copyright = sprintf(
				__('本文由 %s 原创发布，转载请注明出处。', 'aksrt'),
				get_the_author_meta('display_name', (int) get_post_field('post_author', $post_id))
			);
		}

		$paid_settings = class_exists('AKSRT_Settings') ? AKSRT_Settings::get_paid_content_settings() : [];
		$paid_display = is_array($paid_settings['display'] ?? null) ? $paid_settings['display'] : [];
		$paid_box_position = sanitize_key((string) ($paid_display['box_position'] ?? 'top'));
		// Zibll positions: box_top | top | bottom | box_bottom (do not collapse).
		if (!in_array($paid_box_position, ['box_top', 'top', 'bottom', 'box_bottom'], true)) {
			$paid_box_position = 'top';
		}

		$show_cover = !empty($settings['show_cover']) && (string) ($settings['cover_url'] ?? '') !== '';
		$show_toc = !empty($settings['toc_enabled']);
		$has_download = function_exists('aksrt_is_downloadable_content') && aksrt_is_downloadable_content($post_id);
		$pay_meta = function_exists('aksrt_get_pay_meta') ? aksrt_get_pay_meta($post_id) : ['pay_type' => 'no'];
		$pay_type = (string) ($pay_meta['pay_type'] ?? 'no');
		$is_paid_post = function_exists('aksrt_is_paid_post') && aksrt_is_paid_post($post_id);
		// Pay module: download box OR non-download paid types (reading/gallery/video/vip).
		$show_pay_box = $has_download || ($is_paid_post && $pay_type !== 'no' && $pay_type !== 'download');

		$breadcrumbs_html = '';
		if (!empty($settings['breadcrumbs']) && function_exists('aksrt_breadcrumbs')) {
			ob_start();
			aksrt_breadcrumbs(
				(string) ($settings['breadcrumbs_home'] ?? ($settings['breadcrumbs_home_text'] ?? '')),
				['single_text' => !isset($settings['breadcrumbs_single_text']) || !empty($settings['breadcrumbs_single_text'])]
			);
			$breadcrumbs_html = trim((string) ob_get_clean());
		}

		$status_badge = function_exists('aksrt_get_post_status_badge')
			? aksrt_get_post_status_badge($post_id)
			: '';

		$allow_view = function_exists('aksrt_get_post_allow_view_data')
			? aksrt_get_post_allow_view_data($post_id)
			: ['allow' => true];
		if (empty($allow_view['allow'])) {
			// Zibll: pay box is skipped when allow_view denies.
			$show_pay_box = false;
		}

		$aside_widgets = is_active_sidebar('sidebar-article')
			|| is_active_sidebar('all_sidebar_top')
			|| is_active_sidebar('all_sidebar_bottom');

		return [
			'post_id'           => $post_id,
			'settings'          => $settings,
			'show_cover'        => $show_cover,
			'show_toc'          => $show_toc,
			'cover_url'         => (string) ($settings['cover_url'] ?? ''),
			'cover_type'        => (string) ($settings['cover_type'] ?? 'none'),
			'img_scale'         => (int) ($settings['article_image_cover_scale'] ?? 35),
			'video_scale'       => (int) ($settings['article_video_cover_scale'] ?? 56),
			'slide_images'      => array_values(array_filter((array) ($settings['slide_images'] ?? []))),
			'episode_count'     => max(0, (int) ($settings['episode_count'] ?? 0)),
				'video_episodes'    => is_array($settings['video_episodes'] ?? null) ? array_values($settings['video_episodes']) : [],
				'video_poster'      => (string) ($settings['video_poster'] ?? ''),
			'meta_items'        => $meta_items,
			'meta_items_secondary' => $meta_items_secondary,
			'meta_box_html'     => $meta_box_html,
			'title_html'        => function_exists('aksrt_get_single_title_html') ? aksrt_get_single_title_html($post_id) : esc_html(get_the_title($post_id)),
			'allow_view'        => $allow_view,
			'views'             => $views,
			'comment_count'     => $comment_count,
			'like_count'        => $like_count,
			'favorite_count'    => $favorite_count,
			'is_liked'          => function_exists('aksrt_is_post_liked') ? aksrt_is_post_liked($post_id) : false,
			'is_favorited'      => function_exists('aksrt_is_post_favorited') ? aksrt_is_post_favorited($post_id) : false,
			'copyright_text'    => $copyright,
			'front_content'     => (string) ($settings['front_content'] ?? ''),
			'after_content'     => (string) ($settings['after_content'] ?? ''),
			'content_maxheight' => !empty($settings['maxheight_enabled']) ? max(0, (int) ($settings['maxheight'] ?? 0)) : 0,
			'has_download'      => $has_download,
			'show_pay_box'      => $show_pay_box,
			'pay_type'          => $pay_type,
			'is_paid_post'      => $is_paid_post,
			'paid_box_position' => $paid_box_position,
			'breadcrumbs_html'  => $breadcrumbs_html,
			'status_badge'      => $status_badge,
			'show_aside'        => $aside_widgets || $show_toc || $has_download || $show_pay_box,
			'toc_title'         => __('文章目录', 'aksrt'),
		];
	}
endif;

if (!function_exists('aksrt_single_is_docs_page')) :
	/**
	 * Docs fast-path: true when the current post should leave the unified single surface.
	 */
	function aksrt_single_is_docs_page(int $post_id): bool {
		if (!class_exists('AKSRT_Docs_Presenter')) {
			return false;
		}
		return (bool) AKSRT_Docs_Presenter::get_instance()->is_docs_page($post_id);
	}
endif;

if (!function_exists('aksrt_single_render_author_bar')) :
	/**
	 * Render author bar from a real args array (no ambient query vars).
	 *
	 * @param array<string,mixed> $args Partial args.
	 */
	function aksrt_single_render_author_bar(array $args = []): void {
		$args = wp_parse_args($args, [
			'extra_class'  => '',
			'show_actions' => false,
			'show_bio'     => false,
			'meta_items'   => [],
		]);
		get_template_part('templates/parts/single-author-bar', null, $args);
	}
endif;

if (!function_exists('aksrt_single_render_cover')) :
	/**
	 * Cover / slide / video header (Zibll single-head-cover).
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_cover(array $ctx): void {
		if (empty($ctx['show_cover']) || $ctx['cover_url'] === '') {
			return;
		}

		$type = (string) $ctx['cover_type'];
		$badge = (string) $ctx['status_badge'];
		$crumbs = (string) $ctx['breadcrumbs_html'];
		$meta_box = (string) ($ctx['meta_box_html'] ?? '');
		$img_scale = max(10, min(100, (int) $ctx['img_scale']));
		$video_scale = max(20, min(100, (int) $ctx['video_scale']));
		$episode = (int) $ctx['episode_count'];
		$slides = is_array($ctx['slide_images'] ?? null) ? $ctx['slide_images'] : [];
		$poster = (string) ($ctx['video_poster'] ?? '');
		$title_html = (string) ($ctx['title_html'] ?? esc_html(get_the_title()));

		if ($type === 'video') :
			?>
			<div class="single-head-cover">
				<div class="single-video">
					<div class="graphic single-cover single-cover--video imgbox-container" style="padding-bottom:<?php echo esc_attr((string) $video_scale); ?>%;">
						<div class="aksrt-video single-cover__player" data-aksrt-video data-src="<?php echo esc_url($ctx['cover_url']); ?>"<?php echo $poster !== '' ? ' data-poster="' . esc_url($poster) . '"' : ''; ?> style="position:absolute;inset:0;width:100%;height:100%;"></div>
					</div>
					<div class="single-video-footer dplayer-featured">
						<div class="flex jsb at">
							<?php if ($crumbs !== '') : ?>
								<div class="post-breadcrumbs"><?php echo $crumbs; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></div>
							<?php endif; ?>
							<?php if ($meta_box !== '') : ?>
								<?php echo str_replace('abs-right', 'mb10 ml10 shrink0', $meta_box); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
							<?php endif; ?>
						</div>
						<h1 class="article-title">
							<?php
							$episodes = is_array($ctx['video_episodes'] ?? null) ? $ctx['video_episodes'] : [];
							if ($episodes === [] && !empty($ctx['cover_url'])) {
								$episodes = [['url' => (string) $ctx['cover_url'], 'title' => '']];
							}
							$ep_count = count($episodes);
							if ($ep_count > 1) : ?>
								<span class="badg badg-sm b-theme mr6"><i class="fa fa-play-circle mr3" aria-hidden="true"></i><?php printf(esc_html__('共%d集', 'aksrt'), $ep_count); ?></span>
							<?php else : ?>
								<i class="fa fa-play-circle-o mr6 opacity8" aria-hidden="true"></i>
							<?php endif; ?>
							<?php echo $title_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
						</h1>
						<?php echo $badge; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
						<?php if ($ep_count > 0) : ?>
							<div class="featured-video-episode mt10">
								<?php foreach ($episodes as $idx => $ep) :
									$ep_url = (string) ($ep['url'] ?? '');
									if ($ep_url === '') { continue; }
									$ep_title = trim((string) ($ep['title'] ?? ''));
									if ($ep_title === '') {
										$ep_title = sprintf(__('第%d集', 'aksrt'), $idx + 1);
									}
									?>
								<a href="javascript:;" class="switch-video text-ellipsis<?php echo $idx === 0 ? ' active' : ''; ?>" data-index="<?php echo (int) ($idx + 1); ?>" data-src="<?php echo esc_url($ep_url); ?>">
									<span class="mr6 badg badg-sm"><?php echo (int) ($idx + 1); ?></span><i class="episode-active-icon"></i><?php echo esc_html($ep_title); ?>
								</a>
								<?php endforeach; ?>
							</div>
						<?php endif; ?>
					</div>
				</div>
			</div>
			<?php
			return;
		endif;

		if ($type === 'slide' && !empty($slides)) :
			$slide_items = [];
			foreach ($slides as $slide_url) {
				$slide_items[] = [
					'image' => (string) $slide_url,
					'alt'   => wp_strip_all_tags(get_the_title()),
				];
			}
			$overlay = '<div class="abs-center left-bottom single-cover-con">'
				. '<h1 class="article-title title-h-left">' . $title_html . '</h1>'
				. ($crumbs !== '' ? $crumbs : '')
				. $badge
				. '</div>'
				. ($meta_box !== '' ? str_replace('abs-right', 'cover-meta abs-right', $meta_box) : '');
			$slider_html = '';
			if (function_exists('aksrt_render_slider')) {
				$slider_html = aksrt_render_slider([
					'slides'          => $slide_items,
					'scale_height'    => true,
					'scale_ratio'     => $img_scale / 100,
					'wrapper_class'   => 'mb20 single-cover-slide imgbox-container',
					'slider_class'    => 'single-cover single-cover--slide',
					'show_nav'        => true,
					'show_pagination' => true,
					'loop'            => count($slide_items) > 1,
					'autoplay'        => count($slide_items) > 1,
					'overlay_html'    => $overlay,
				]);
			}
			?>
			<div class="single-head-cover">
				<?php if ($slider_html !== '') : ?>
					<?php echo $slider_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
				<?php else : ?>
					<div class="graphic mb20 single-cover single-cover--slide imgbox-container" style="padding-bottom:<?php echo esc_attr((string) $img_scale); ?>%;">
						<?php foreach ($slides as $idx => $slide_url) : ?>
							<img src="<?php echo esc_url($slide_url); ?>" alt="" class="fit-cover" style="<?php echo $idx === 0 ? '' : 'display:none;'; ?>" loading="<?php echo $idx === 0 ? 'eager' : 'lazy'; ?>">
						<?php endforeach; ?>
						<?php echo $overlay; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
					</div>
				<?php endif; ?>
			</div>
			<?php
			return;
		endif;

		// Image cover (default).
		$img_attrs = function_exists('aksrt_lazy_img_attrs')
			? aksrt_lazy_img_attrs((string) $ctx['cover_url'], 'cover', 'fit-cover')
			: 'class="fit-cover" src="' . esc_url((string) $ctx['cover_url']) . '" loading="eager"';
		?>
		<div class="single-head-cover">
			<div class="graphic mb20 single-cover imgbox-container" style="padding-bottom:<?php echo esc_attr((string) $img_scale); ?>%;">
				<img <?php echo $img_attrs; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?> alt="<?php echo esc_attr(wp_strip_all_tags(get_the_title())); ?>">
				<div class="abs-center left-bottom single-cover-con">
					<h1 class="article-title title-h-left"><?php echo $title_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></h1>
					<?php if ($crumbs !== '') : ?>
						<?php echo $crumbs; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
					<?php endif; ?>
					<?php echo $badge; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
				</div>
				<?php if ($meta_box !== '') : ?>
					<?php echo str_replace('abs-right', 'cover-meta abs-right', $meta_box); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
				<?php endif; ?>
			</div>
		</div>
		<?php
	}
endif;

if (!function_exists('aksrt_single_render_box_header')) :
	/**
	 * Title + author bar (when no cover).
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_box_header(array $ctx): void {
		$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];
		?>
		<div class="article-header theme-box clearfix relative">
			<?php if (empty($ctx['show_cover'])) : ?>
				<?php echo (string) $ctx['status_badge']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
				<h1 class="article-title"><a href="<?php the_permalink(); ?>"><?php echo (string) ($ctx['title_html'] ?? esc_html(get_the_title())); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></a></h1>
			<?php endif; ?>

			<?php
			// Author bar always shows in header (Zibll zib_single_box_header).
			// `authordesc` only controls the after-box author card.
			aksrt_single_render_author_bar([
				'show_actions' => true,
				'show_time'    => empty($settings['hide_time']),
				'meta_html'    => empty($ctx['show_cover']) ? (string) ($ctx['meta_box_html'] ?? '') : '',
			]);
			?>
		</div>
		<?php
	}
endif;

if (!function_exists('aksrt_single_render_actions')) :
	/**
	 * Like / reward / share / favorite row.
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_actions(array $ctx): void {
		$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];
		$post_id = (int) $ctx['post_id'];
		$like_count = (int) $ctx['like_count'];
		$favorite_count = (int) $ctx['favorite_count'];
		$is_liked = !empty($ctx['is_liked']);
		$is_favorited = !empty($ctx['is_favorited']);
		?>
		<div class="text-center muted-3-color box-body em09"><?php echo esc_html($settings['button_toptext'] ?? __('喜欢就支持一下吧', 'aksrt')); ?></div>
		<div class="text-center post-actions">
			<?php if (!empty($settings['like_enabled'])) : ?>
				<button type="button" class="action action-like<?php echo $is_liked ? ' is-active' : ''; ?>" id="action-like" data-post-id="<?php echo esc_attr((string) $post_id); ?>" data-initial-active="<?php echo $is_liked ? '1' : '0'; ?>">
					<i class="<?php echo $is_liked ? 'fas' : 'far'; ?> fa-heart" aria-hidden="true"></i>
					<span class="action-btn__count" data-stat-count="likes" data-base-count="<?php echo esc_attr((string) $like_count); ?>"><?php echo esc_html((string) $like_count); ?></span>
				</button>
			<?php endif; ?>

			<?php if (!empty($settings['rewards_enabled']) && !empty($settings['rewards_image'])) : ?>
				<button type="button" class="action action-rewards" id="action-reward">
					<i class="fas fa-gift" aria-hidden="true"></i>
					<span class="action-btn__label"><?php echo esc_html($settings['rewards_btn_text'] ?? __('赞赏', 'aksrt')); ?></span>
				</button>
			<?php endif; ?>

			<?php if (!empty($settings['share_enabled'])) : ?>
				<button type="button" class="action action-share" id="action-share-trigger" aria-haspopup="true" aria-expanded="false">
					<i class="fas fa-share-alt" aria-hidden="true"></i>
					<span class="action-btn__label"><?php esc_html_e('分享', 'aksrt'); ?></span>
				</button>
			<?php endif; ?>

			<?php if (!empty($settings['favorite_enabled'])) : ?>
				<button type="button" class="action action-favorite<?php echo $is_favorited ? ' is-active' : ''; ?>" id="action-favorite" data-post-id="<?php echo esc_attr((string) $post_id); ?>" data-initial-active="<?php echo $is_favorited ? '1' : '0'; ?>">
					<i class="<?php echo $is_favorited ? 'fas' : 'far'; ?> fa-star" aria-hidden="true"></i>
					<span class="action-btn__count" data-stat-count="favorites" data-base-count="<?php echo esc_attr((string) $favorite_count); ?>"><?php echo esc_html((string) $favorite_count); ?></span>
				</button>
			<?php endif; ?>
		</div>

		<?php if (!empty($settings['share_enabled'])) : ?>
			<div class="share-dropdown" id="share-dropdown" aria-hidden="true">
				<div class="share-dropdown__grid">
					<button type="button" class="share-item" data-platform="qq"><i class="fab fa-qq"></i><span>QQ</span></button>
					<button type="button" class="share-item" data-platform="weibo"><i class="fab fa-weibo"></i><span>微博</span></button>
					<button type="button" class="share-item" data-platform="twitter"><i class="fab fa-x-twitter"></i><span>X</span></button>
					<button type="button" class="share-item" data-platform="wechat"><i class="fab fa-weixin"></i><span>微信</span></button>
					<button type="button" class="share-item" data-platform="copy"><i class="fas fa-link"></i><span><?php esc_html_e('复制链接', 'aksrt'); ?></span></button>
				</div>
				<div id="share-qrcode-box" aria-hidden="true"><img id="share-qrcode-image" src="" alt="QR Code"></div>
			</div>
		<?php endif; ?>

		<?php if (!empty($settings['rewards_enabled']) && !empty($settings['rewards_image'])) : ?>
			<div class="reward-modal" id="reward-modal" aria-hidden="true">
				<div class="reward-modal__overlay"></div>
				<div class="reward-modal__dialog">
					<button type="button" class="reward-modal__close" aria-label="<?php esc_attr_e('关闭', 'aksrt'); ?>"><i class="fas fa-times" aria-hidden="true"></i></button>
					<div class="reward-modal__content">
						<h3><?php echo esc_html((string) ($settings['rewards_text'] ?? '')); ?></h3>
						<div class="reward-modal__qrcode">
							<img src="<?php echo esc_url((string) $settings['rewards_image']); ?>" alt="<?php esc_attr_e('打赏二维码', 'aksrt'); ?>">
						</div>
					</div>
				</div>
			</div>
		<?php endif; ?>
		<?php
	}
endif;

if (!function_exists('aksrt_single_render_content_footer')) :
	/**
	 * Copyright + THE END + tags.
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_content_footer(array $ctx): void {
		$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];
		$post_id = (int) $ctx['post_id'];
		?>
		<?php if (!empty($settings['yiyan_footer'])) : ?>
			<div class="article-yiyan yiyan-box aksrt-yiyan yiyan--footer" data-aksrt-yiyan data-type="hitokoto"></div>
		<?php endif; ?>

		<?php if (!empty($settings['copyright_enabled'])) : ?>
			<div class="em09 muted-3-color">
				<div><span>©</span> <?php esc_html_e('版权声明', 'aksrt'); ?></div>
				<div class="posts-copyright"><?php echo esc_html((string) $ctx['copyright_text']); ?></div>
			</div>
		<?php endif; ?>

		<div class="text-center theme-box muted-3-color box-body separator em09">THE END</div>
			<?php
			if (function_exists('aksrt_get_single_article_tags_html')) {
				echo aksrt_get_single_article_tags_html($post_id); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			}
			?>
			<?php
}
endif;

if (!function_exists('aksrt_single_render_author_card')) :
	/**
	 * Compact author card used in the after-box stack.
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_author_card(array $ctx): void {
		$author_id = (int) get_the_author_meta('ID');
		if ($author_id <= 0) {
			return;
		}
		$author_url = get_author_posts_url($author_id);
		$author_name = get_the_author();
		$bio = trim((string) get_the_author_meta('description'));
		$vip_badge = function_exists('aksrt_render_vip_badge') ? aksrt_render_vip_badge($author_id, 'sm') : '';
		$signals = [];
		if (class_exists('AKSRT_User_Home')) {
			$signals = AKSRT_User_Home::get_instance()->get_profile_signals($author_id);
		}
		$avatar = function_exists('aksrt_get_avatar_html')
			? aksrt_get_avatar_html($author_id, 80, ['class' => 'avatar avatar-lg'])
			: get_avatar($author_id, 80, '', esc_attr($author_name), ['class' => 'avatar avatar-lg']);
		$recent = get_posts([
			'author'         => $author_id,
			'post_type'      => 'post',
			'post_status'    => 'publish',
			'posts_per_page' => 6,
			'orderby'        => 'date',
			'order'          => 'DESC',
			'no_found_rows'  => true,
		]);
		?>
		<div class="user-card author zib-widget">
			<div class="card-content mt10 relative">
				<div class="user-content">
					<div class="user-avatar"><?php echo $avatar; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></div>
					<div class="user-info mt20 mb10">
						<div class="user-name flex jc">
							<a class="display-name" href="<?php echo esc_url($author_url); ?>"><?php echo esc_html($author_name); ?></a>
							<?php echo $vip_badge; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
							<?php foreach ($signals as $signal) : ?>
								<span class="badg badg-sm ml3 aksrt-identity-chip aksrt-identity-chip--<?php echo esc_attr((string) ($signal['tone'] ?? 'info')); ?>">
									<i class="fa fa-<?php echo esc_attr((string) ($signal['icon'] ?? 'check')); ?>" aria-hidden="true"></i>
									<?php echo esc_html((string) ($signal['label'] ?? '')); ?>
								</span>
							<?php endforeach; ?>
						</div>
						<?php if ($bio !== '') : ?>
							<div class="user-desc mt10 muted-2-color em09"><?php echo esc_html($bio); ?></div>
						<?php endif; ?>
						<div class="user-btns mt20">
							<a class="but pw-1em mr6 jb-blue" href="<?php echo esc_url($author_url); ?>"><?php esc_html_e('个人主页', 'aksrt'); ?></a>
						</div>
					</div>
				</div>
				<?php if (!empty($recent)) : ?>
					<div class="user-card-posts mt10">
						<ul class="no-thumb">
							<?php foreach ($recent as $rp) : ?>
								<?php if ($rp instanceof WP_Post) : ?>
									<li><a class="icon-circle" href="<?php echo esc_url(get_permalink($rp)); ?>"><?php echo esc_html(get_the_title($rp)); ?></a></li>
								<?php endif; ?>
							<?php endforeach; ?>
						</ul>
					</div>
				<?php endif; ?>
			</div>
		</div>
		<?php
	}
endif;

if (!function_exists('aksrt_single_render_prevnext')) :
	/**
	 * Previous / next navigation (Zibll .article-nav).
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_prevnext(array $ctx = []): void {
		$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];
		$enabled = array_key_exists('prevnext', $settings)
			? !empty($settings['prevnext'])
			: (!array_key_exists('prevnext_s', $settings) || !empty($settings['prevnext_s']));
		if (!$enabled) {
			return;
		}

		// Zibll: constrain to current category when available.
		$in_same_term = !empty(get_the_category());
		$prev = get_previous_post($in_same_term, '', 'category');
		$next = get_next_post($in_same_term, '', 'category');
		if (!$prev && !$next) {
			// Fallback: any post.
			$prev = get_previous_post();
			$next = get_next_post();
		}
		if (!$prev && !$next) {
			return;
		}

		$prev_title = $prev ? get_the_title($prev) : __('无更多文章', 'aksrt');
		$next_title = $next ? get_the_title($next) : __('无更多文章', 'aksrt');
		$prev_href = $prev ? get_permalink($prev) : 'javascript:;';
		$next_href = $next ? get_permalink($next) : 'javascript:;';
		?>
		<div class="theme-box" style="height:99px">
			<nav class="article-nav">
				<div class="main-bg box-body radius8 main-shadow">
					<a href="<?php echo $prev ? esc_url($prev_href) : 'javascript:;'; ?>">
						<p class="muted-2-color"><i class="fa fa-angle-left em12" aria-hidden="true"></i><i class="fa fa-angle-left em12 mr6" aria-hidden="true"></i><?php esc_html_e('上一篇', 'aksrt'); ?></p>
						<div class="text-ellipsis-2"><?php echo esc_html($prev_title); ?></div>
					</a>
				</div>
				<div class="main-bg box-body radius8 main-shadow">
					<a href="<?php echo $next ? esc_url($next_href) : 'javascript:;'; ?>">
						<p class="muted-2-color"><?php esc_html_e('下一篇', 'aksrt'); ?><i class="fa fa-angle-right em12 ml6" aria-hidden="true"></i><i class="fa fa-angle-right em12" aria-hidden="true"></i></p>
						<div class="text-ellipsis-2"><?php echo esc_html($next_title); ?></div>
					</a>
				</div>
			</nav>
		</div>
		<?php
	}
endif;

if (!function_exists('aksrt_single_related_query_args')) :
	/**
	 * Build related-posts WP_Query args (Zibll-like multi-tax OR + orderby).
	 *
	 * @param int                 $post_id  Post ID.
	 * @param array<string,mixed> $settings Single display settings.
	 * @return array<string,mixed>
	 */
	function aksrt_single_related_query_args(int $post_id, array $settings): array {
		$count = max(1, min(12, (int) ($settings['related_count'] ?? 6)));
		$type = sanitize_key((string) ($settings['related_source'] ?? ($settings['related_type'] ?? 'category')));
		if (!in_array($type, ['category', 'tag', 'random'], true)) {
			$type = 'category';
		}
		$orderby = sanitize_key((string) ($settings['related_orderby'] ?? 'views'));
		if (!in_array($orderby, ['rand', 'relevance', 'date', 'views', 'modified'], true)) {
			$orderby = 'views';
		}

		$args = [
			'post_type'           => get_post_type($post_id) ?: 'post',
			'post_status'         => 'publish',
			'post__not_in'        => [$post_id],
			'posts_per_page'      => $count,
			'ignore_sticky_posts' => true,
			'no_found_rows'       => true,
			'order'               => 'DESC',
		];

		if ($type === 'random') {
			$args['orderby'] = 'rand';
			return $args;
		}

		$tax_query = ['relation' => 'OR'];
		if ($type === 'tag') {
			$tag_ids = wp_get_post_terms($post_id, 'post_tag', ['fields' => 'ids']);
			if (!empty($tag_ids) && !is_wp_error($tag_ids)) {
				$tax_query[] = [
					'taxonomy' => 'post_tag',
					'field'    => 'term_id',
					'terms'    => array_map('intval', $tag_ids),
				];
			}
		} else {
			// category (default): OR across category + tags + topics like Zibll.
			$cat_ids = wp_get_post_terms($post_id, 'category', ['fields' => 'ids']);
			if (!empty($cat_ids) && !is_wp_error($cat_ids)) {
				$tax_query[] = [
					'taxonomy' => 'category',
					'field'    => 'term_id',
					'terms'    => array_map('intval', $cat_ids),
				];
			}
			$tag_ids = wp_get_post_terms($post_id, 'post_tag', ['fields' => 'ids']);
			if (!empty($tag_ids) && !is_wp_error($tag_ids)) {
				$tax_query[] = [
					'taxonomy' => 'post_tag',
					'field'    => 'term_id',
					'terms'    => array_map('intval', $tag_ids),
				];
			}
			if (taxonomy_exists('topics')) {
				$topic_ids = wp_get_post_terms($post_id, 'topics', ['fields' => 'ids']);
				if (!empty($topic_ids) && !is_wp_error($topic_ids)) {
					$tax_query[] = [
						'taxonomy' => 'topics',
						'field'    => 'term_id',
						'terms'    => array_map('intval', $topic_ids),
					];
				}
			}
		}

		if (count($tax_query) > 1) {
			$args['tax_query'] = $tax_query;
		}

		switch ($orderby) {
			case 'rand':
				$args['orderby'] = 'rand';
				break;
			case 'date':
				$args['orderby'] = 'date';
				break;
			case 'modified':
				$args['orderby'] = 'modified';
				break;
			case 'views':
				$args['meta_key'] = 'aksrt_post_views';
				$args['orderby']  = 'meta_value_num';
				break;
			case 'relevance':
			default:
				// Prefer date when no search relevance context.
				$args['orderby'] = 'date';
				break;
		}

		return $args;
	}
endif;

if (!function_exists('aksrt_single_render_related')) :
	/**
	 * Related posts — Zibll-like list + optional shared mini renderer.
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_related(array $ctx): void {
		$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];
		if (empty($settings['related_enabled'])) {
			return;
		}

		$post_id = (int) $ctx['post_id'];
		$title = (string) ($settings['related_title'] ?? '');
		if ($title === '') {
			$title = __('相关推荐', 'aksrt');
		}
		$style = sanitize_key((string) ($settings['related_style'] ?? 'img'));
		if (!in_array($style, ['img', 'list', 'text'], true)) {
			$style = 'img';
		}

		$args = function_exists('aksrt_single_related_query_args')
			? aksrt_single_related_query_args($post_id, $settings)
			: [
				'post_type'           => get_post_type($post_id) ?: 'post',
				'post_status'         => 'publish',
				'post__not_in'        => [$post_id],
				'posts_per_page'      => max(1, min(12, (int) ($settings['related_count'] ?? 6))),
				'ignore_sticky_posts' => true,
			];

		$query = new WP_Query($args);
		if (!$query->have_posts()) {
			wp_reset_postdata();
			return;
		}

		$wrap_class = 'theme-box relates' . ($style === 'img' ? ' relates-thumb' : '');
		?>
		<div class="<?php echo esc_attr($wrap_class); ?>">
			<div class="box-body notop">
				<div class="title-theme"><?php echo esc_html($title); ?></div>
			</div>
			<div class="zib-widget">
				<?php if ($style === 'list' && function_exists('aksrt_render_post_list')) : ?>
					<?php
					// New route: single query only.
					aksrt_render_post_list($query, [
						'context'     => 'related',
						'mode'        => 'mini',
						'show_thumb'  => true,
						'show_meta'   => true,
						'show_number' => false,
					]);
					?>
				<?php else : ?>
					<?php
					$posts_html = '';
					while ($query->have_posts()) {
						$query->the_post();
						$p = get_post();
						if (!($p instanceof WP_Post)) {
							continue;
						}
						if ($style === 'img' && function_exists('aksrt_render_related_graphic_card')) {
							$posts_html .= aksrt_render_related_graphic_card($p);
						} else {
							$posts_html .= '<li><a class="icon-circle" href="' . esc_url(get_permalink($p)) . '">' . esc_html(get_the_title($p)) . '</a></li>';
						}
					}
					?>
					<?php if ($style === 'img') : ?>
						<div class="swiper-container swiper-scroll">
							<div class="swiper-wrapper">
								<?php echo $posts_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
							</div>
							<div class="swiper-button-prev"></div>
							<div class="swiper-button-next"></div>
						</div>
					<?php else : ?>
						<ul class="no-thumb">
							<?php echo $posts_html !== '' ? $posts_html : '<li>' . esc_html__('暂无相关文章', 'aksrt') . '</li>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
						</ul>
					<?php endif; ?>
				<?php endif; ?>
			</div>
		</div>
		<?php
		wp_reset_postdata();
	}
endif;


if (!function_exists('aksrt_single_render_pay_box')) :
	/**
	 * Unified single pay module (Zibll zibpay_posts_pay_content equivalent).
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_pay_box(array $ctx = []): void {
		if ($ctx === []) {
			$ctx = function_exists('aksrt_single_build_context') ? aksrt_single_build_context() : [];
		}
		if (empty($ctx['show_pay_box'])) {
			return;
		}
		$allow = $ctx['allow_view'] ?? null;
		if (is_array($allow) && empty($allow['allow'])) {
			return;
		}

		$post_id = (int) ($ctx['post_id'] ?? get_the_ID());
		$post = get_post($post_id);
		if (!($post instanceof WP_Post)) {
			return;
		}

		$pay_type = (string) ($ctx['pay_type'] ?? 'no');
		if (!empty($ctx['has_download']) || $pay_type === 'download') {
			echo '<div class="zib-widget pay-box pay-type-download" id="posts-pay">';
			get_template_part('templates/parts/resource-download-box');
			echo '</div>';
			return;
		}

		if (!function_exists('aksrt_get_pay_meta')) {
			return;
		}

		$has_access = function_exists('aksrt_has_paid_access') ? aksrt_has_paid_access($post) : false;
		$paid_class = $has_access ? 'paid-box' : 'pay-box';
		echo '<div class="zib-widget ' . esc_attr($paid_class) . ' pay-type-' . esc_attr($pay_type) . '" id="posts-pay">';
		if ($has_access) {
			if ($pay_type === 'gallery' && function_exists('aksrt_render_paid_gallery')) {
				echo aksrt_render_paid_gallery($post); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			} elseif ($pay_type === 'video' && function_exists('aksrt_render_paid_video')) {
				echo aksrt_render_paid_video($post); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			} else {
				echo '<div class="box-body"><span class="badg c-green hollow badg-sm mr6">' . esc_html__('已解锁', 'aksrt') . '</span><b>' . esc_html(get_the_title($post)) . '</b></div>';
			}
		} elseif (function_exists('aksrt_get_paywall_html')) {
			echo aksrt_get_paywall_html($post); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		}
		echo '</div>';
	}
endif;

if (!function_exists('aksrt_single_pay_box_matches')) :
	/**
	 * @param array<string,mixed> $ctx
	 */
	function aksrt_single_pay_box_matches(array $ctx, string $slot): bool {
		if (empty($ctx['show_pay_box'])) {
			return false;
		}
		$allow = $ctx['allow_view'] ?? null;
		if (is_array($allow) && empty($allow['allow'])) {
			return false;
		}
		return (string) ($ctx['paid_box_position'] ?? 'top') === $slot;
	}
endif;

if (!function_exists('aksrt_single_render_article')) :
	/**
	 * Main article box (Zibll zib_single_content order).
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_article(array $ctx): void {
		$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];
		$maxheight = (int) $ctx['content_maxheight'];
		?>
		<article <?php post_class('article main-bg theme-box box-body radius8 main-shadow'); ?>>
			<?php aksrt_single_render_box_header($ctx); ?>

			<div class="article-content">
				<?php if (!empty($settings['yiyan_header'])) : ?>
					<div class="article-yiyan yiyan-box aksrt-yiyan yiyan--header theme-box text-center radius8 main-shadow" data-aksrt-yiyan data-type="hitokoto"></div>
				<?php endif; ?>

				<?php do_action('aksrt_single_content_before', get_post()); ?>

				<?php if (function_exists('aksrt_single_pay_box_matches') && aksrt_single_pay_box_matches($ctx, 'top')) : ?>
					<?php aksrt_single_render_pay_box($ctx); ?>
				<?php endif; ?>

				<?php if ($ctx['front_content'] !== '') : ?>
					<div class="post_front_content theme-box box-body"><?php echo wp_kses_post((string) $ctx['front_content']); ?></div>
				<?php endif; ?>

				<div class="theme-box wp-posts-content<?php echo $maxheight > 0 ? ' limit-height' : ''; ?>"
					<?php echo $maxheight > 0 ? ' style="max-height:' . esc_attr((string) $maxheight) . 'px;"' : ''; ?>
					<?php echo !empty($ctx['show_toc']) ? ' data-nav="posts"' : ''; ?>
					data-maxheight="<?php echo esc_attr((string) ($maxheight > 0 ? max(0, $maxheight - 80) : 0)); ?>"
					data-aksrt-toc="<?php echo !empty($ctx['show_toc']) ? '1' : '0'; ?>"
					data-aksrt-toc-depth="<?php echo esc_attr((string) ((int) ($settings['toc_depth'] ?? 3))); ?>"
					<?php echo !empty($settings['lightbox']) ? ' data-aksrt-lightbox="1"' : ''; ?>>
					<?php the_content(); ?>
					<?php
					wp_link_pages([
						'before' => '<p class="text-center post-nav-links radius8 padding-6">',
						'after'  => '</p>',
					]);
					?>
					<?php if ($ctx['after_content'] !== '') : ?>
						<?php echo wp_kses_post((string) $ctx['after_content']); ?>
					<?php endif; ?>
				</div>

				<?php if (function_exists('aksrt_single_pay_box_matches') && aksrt_single_pay_box_matches($ctx, 'bottom')) : ?>
					<?php aksrt_single_render_pay_box($ctx); ?>
				<?php endif; ?>

				<?php aksrt_single_render_content_footer($ctx); ?>
			</div>

			<?php aksrt_single_render_actions($ctx); ?>
		</article>
		<?php
	}
endif;

if (!function_exists('aksrt_single_render_after_box')) :
	/**
	 * After-article stack: yiyan box / author card / prevnext / related.
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_after_box(array $ctx): void {
		$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];

		if (!empty($settings['yiyan_box'])) {
			?>
			<div class="yiyan-box main-bg theme-box text-center box-body radius8 main-shadow aksrt-yiyan" data-aksrt-yiyan data-type="hitokoto"></div>
			<?php
		}

		// Accept both `authordesc` (Settings DTO) and legacy `authordesc_s`.
		$show_author = array_key_exists('authordesc', $settings)
			? !empty($settings['authordesc'])
			: !empty($settings['authordesc_s']);
		if ($show_author) {
			aksrt_single_render_author_card($ctx);
		}

		aksrt_single_render_prevnext($ctx);
		aksrt_single_render_related($ctx);
	}
endif;

if (!function_exists('aksrt_single_render_aside')) :
	/**
	 * Page-owned single aside (not a generic sidebar prepend hack).
	 *
	 * @param array<string,mixed> $ctx Single context.
	 */
	function aksrt_single_render_aside(array $ctx): void {
		if (empty($ctx['show_aside']) || wp_is_mobile()) {
			return;
		}
		?>
		<div class="sidebar" role="complementary" aria-label="<?php esc_attr_e('侧栏', 'aksrt'); ?>">
			<?php if (!empty($ctx['has_download'])) : ?>
				<?php get_template_part('templates/parts/resource-meta-box'); ?>
			<?php endif; ?>

			<?php if (!empty($ctx['show_toc'])) : ?>
				<div class="zib-widget toc-widget posts-nav-box" data-title="<?php echo esc_attr((string) $ctx['toc_title']); ?>">
					<h3><?php echo esc_html((string) $ctx['toc_title']); ?></h3>
					<ol class="toc-list"></ol>
				</div>
			<?php endif; ?>

			<?php if (is_active_sidebar('all_sidebar_top')) : ?>
				<?php dynamic_sidebar('all_sidebar_top'); ?>
			<?php endif; ?>

			<?php if (is_active_sidebar('sidebar-article')) : ?>
				<?php dynamic_sidebar('sidebar-article'); ?>
			<?php endif; ?>

			<?php if (is_active_sidebar('all_sidebar_bottom')) : ?>
				<?php dynamic_sidebar('all_sidebar_bottom'); ?>
			<?php endif; ?>
		</div>
		<?php
	}
endif;

if (!function_exists('aksrt_single')) :
	/**
	 * Compose header + article + after-box (Zibll zib_single equivalent).
	 *
	 * @param array<string,mixed>|null $ctx Optional prebuilt context.
	 */
	function aksrt_single(?array $ctx = null): void {
		$ctx = is_array($ctx) ? $ctx : aksrt_single_build_context();

		if (empty($ctx['show_cover'])) {
			if ($ctx['breadcrumbs_html'] !== '') {
				echo $ctx['breadcrumbs_html']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			} elseif (function_exists('aksrt_breadcrumbs')) {
				$settings = is_array($ctx['settings'] ?? null) ? $ctx['settings'] : [];
				aksrt_breadcrumbs(
					(string) ($settings['breadcrumbs_home'] ?? ($settings['breadcrumbs_home_text'] ?? '')),
					['single_text' => !isset($settings['breadcrumbs_single_text']) || !empty($settings['breadcrumbs_single_text'])]
				);
			}
		} else {
			aksrt_single_render_cover($ctx);
		}

		do_action('aksrt_single_before', get_post());
		if (function_exists('aksrt_single_pay_box_matches') && aksrt_single_pay_box_matches($ctx, 'box_top')) {
			aksrt_single_render_pay_box($ctx);
		}
		aksrt_single_render_article($ctx);
		do_action('aksrt_single_article_after', get_post());
		aksrt_single_render_after_box($ctx);
		if (function_exists('aksrt_single_pay_box_matches') && aksrt_single_pay_box_matches($ctx, 'box_bottom')) {
			aksrt_single_render_pay_box($ctx);
		}
		do_action('aksrt_single_after', get_post());
	}
endif;