<?php
/**
 * Shared archive / category / tag / search stream helpers.
 *
 * Keeps list pages on one content-stream contract instead of four hand-rolled shells.
 *
 * @package AKSRT
 */

defined('ABSPATH') || exit;

if (!function_exists('aksrt_archive_get_list_style_settings')) :
	/**
	 * Shared list style defaults for archive surfaces.
	 *
	 * @return array{render_mode:string,card_style:string,card_cat_ids:array<int,int>}
	 */
	function aksrt_archive_get_list_style_settings(): array {
		$settings = class_exists('AKSRT_Settings')
			? AKSRT_Settings::get_post_list_style_settings()
			: [];

		return [
			'render_mode'  => (string) ($settings['render_mode'] ?? 'card'),
			'card_style'   => (string) ($settings['card_style'] ?? 'standard'),
			'card_cat_ids' => is_array($settings['card_cat_ids'] ?? null) ? array_map('intval', $settings['card_cat_ids']) : [],
		];
	}
endif;

if (!function_exists('aksrt_archive_get_render_config')) :
	/**
	 * Build render config for archive-like pages.
	 *
	 * @param array<string,mixed> $overrides Context/mode overrides.
	 * @return array<string,mixed>
	 */
	function aksrt_archive_get_render_config(array $overrides = []): array {
		$list = aksrt_archive_get_list_style_settings();
		$config = array_merge([
			'context'    => 'archive',
			'mode'       => $list['render_mode'],
			'card_style' => $list['card_style'],
		], $overrides);

		if (is_category() && !empty($list['card_cat_ids'])) {
			$current_cat_id = (int) get_queried_object_id();
			if (in_array($current_cat_id, $list['card_cat_ids'], true)) {
				$config['mode'] = 'card';
			}
		}

		if (is_category() && class_exists('AKSRT_Settings')) {
			$thumb_settings = AKSRT_Settings::get_post_thumb_settings();
			if (!empty($thumb_settings['mult_thumb_cat_ids'])) {
				$current_cat_id = (int) get_queried_object_id();
				if (in_array($current_cat_id, array_map('intval', (array) $thumb_settings['mult_thumb_cat_ids']), true)) {
					$config['multi_thumb_enabled'] = true;
					$config['multi_thumb_limit'] = (int) ($thumb_settings['multi_count'] ?? 4);
				}
			}
		}

		return $config;
	}
endif;

if (!function_exists('aksrt_archive_get_sort_state')) :
	/**
	 * Shared latest/oldest/popular sort state for term archives.
	 *
	 * @return array{current:string,links:array<string,string>}
	 */
	function aksrt_archive_get_sort_state(): array {
		$current_orderby = sanitize_key((string) get_query_var('orderby'));
		$current_order = strtoupper(sanitize_key((string) get_query_var('order')));
		$current = 'latest';

		if ($current_orderby === 'date' && $current_order === 'ASC') {
			$current = 'oldest';
		} elseif ($current_orderby === 'comment_count') {
			$current = 'popular';
		}

		return [
			'current' => $current,
			'links'   => [
				'latest'  => remove_query_arg(['orderby', 'order', 'paged']),
				'oldest'  => add_query_arg(['orderby' => 'date', 'order' => 'asc', 'paged' => false]),
				'popular' => add_query_arg(['orderby' => 'comment_count', 'order' => 'desc', 'paged' => false]),
			],
		];
	}
endif;

if (!function_exists('aksrt_archive_has_sidebar')) :
	/**
	 * Resolve whether a stream page should show an aside.
	 *
	 * @param string $preferred Preferred sidebar id.
	 * @param bool   $enabled   Page-level sidebar toggle.
	 */
	function aksrt_archive_has_sidebar(string $preferred = '', bool $enabled = true): bool {
		if (!$enabled || wp_is_mobile()) {
			return false;
		}

		if ($preferred !== '' && is_active_sidebar($preferred)) {
			return true;
		}

		if (function_exists('aksrt_is_show_sidebar')) {
			return aksrt_is_show_sidebar();
		}

		$fallback = function_exists('aksrt_resolve_sidebar_id') ? aksrt_resolve_sidebar_id() : 'sidebar-blog';
		return is_active_sidebar($fallback)
			|| is_active_sidebar('all_sidebar_top')
			|| is_active_sidebar('all_sidebar_bottom');
	}
endif;

if (!function_exists('aksrt_archive_render_widget_zone')) :
	/**
	 * Render stacked sidebars when active.
	 *
	 * @param string[] $sidebar_ids Sidebar ids.
	 * @param string   $wrapper_class Wrapper class.
	 */
	function aksrt_archive_render_widget_zone(array $sidebar_ids, string $wrapper_class = ''): void {
		$active = [];
		foreach ($sidebar_ids as $sidebar_id) {
			if (is_active_sidebar($sidebar_id)) {
				$active[] = $sidebar_id;
			}
		}
		if (empty($active)) {
			return;
		}

		if ($wrapper_class !== '') {
			echo '<div class="' . esc_attr($wrapper_class) . '">';
		}
		foreach ($active as $sidebar_id) {
			dynamic_sidebar($sidebar_id);
		}
		if ($wrapper_class !== '') {
			echo '</div>';
		}
	}
endif;

if (!function_exists('aksrt_archive_render_stream')) :
	/**
	 * Shared list + pagination + empty state for archive surfaces.
	 *
	 * @param WP_Query|null       $query Query or null for main loop.
	 * @param array<string,mixed> $render_config Renderer config.
	 * @param array<string,mixed> $args Stream args.
	 */
	function aksrt_archive_render_stream(?WP_Query $query, array $render_config, array $args = []): void {
		$args = wp_parse_args($args, [
			'page_kind'      => 'archive',
			'query_context'  => 'archive',
			'empty_text'     => __('暂无文章', 'aksrt'),
			'stream_class'   => '',
			'ajax_enabled'   => false,
			'ajax_attrs'     => '',
			'show_loading'   => false,
		]);

		$classes = [
			'content-stream',
			'content-stream--' . sanitize_html_class((string) $args['page_kind']),
		];
		if (!empty($args['stream_class'])) {
			foreach (preg_split('/\s+/', trim((string) $args['stream_class'])) ?: [] as $class) {
				$class = sanitize_html_class($class);
				if ($class !== '') {
					$classes[] = $class;
				}
			}
		}
		if (!empty($args['ajax_enabled'])) {
			$classes[] = 'is-ajax-enabled';
		}

		$mode = (string) ($render_config['mode'] ?? 'card');
		$card_style = (string) ($render_config['card_style'] ?? 'standard');
		$has_posts = $query instanceof WP_Query ? $query->have_posts() : have_posts();
		?>
		<div
			class="<?php echo esc_attr(implode(' ', array_unique($classes))); ?>"
			data-page-kind="<?php echo esc_attr((string) $args['page_kind']); ?>"
			data-render-mode="<?php echo esc_attr($mode); ?>"
			data-card-style="<?php echo esc_attr($card_style); ?>"
			<?php if (!empty($args['ajax_enabled'])) : ?>
				data-ajax-wrap
				data-query-context="<?php echo esc_attr((string) $args['query_context']); ?>"
			<?php endif; ?>
			<?php echo $args['ajax_attrs']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
		>
			<?php if (!empty($args['show_loading'])) : ?>
				<div class="archive__ajax-loading" aria-hidden="true"><span class="archive__ajax-spinner"></span></div>
			<?php endif; ?>

			<?php if ($has_posts) : ?>
				<?php
				if (function_exists('aksrt_render_post_list')) {
					aksrt_render_post_list($query, array_merge($render_config, ['wrapper_class' => 'content-stream__list']));
				}
				?>
				<div class="content-stream__footer">
					<?php
					if (function_exists('aksrt_render_pagination')) {
						aksrt_render_pagination($query, [
							'query_context' => (string) $args['query_context'],
							'render_config' => $render_config,
						]);
					}
					?>
				</div>
			<?php else : ?>
				<div class="no-results content-stream__empty">
					<p><?php echo esc_html((string) $args['empty_text']); ?></p>
				</div>
			<?php endif; ?>
		</div>
		<?php
	}
endif;

if (!function_exists('aksrt_archive_open_shell')) :
	/**
	 * Open a shared archive shell.
	 *
	 * @param array<string,mixed> $args Shell args.
	 */
	function aksrt_archive_open_shell(array $args = []): void {
		$args = wp_parse_args($args, [
			'main_class'     => 'site-main container',
			'has_sidebar'    => false,
			'top_fluid'      => [],
			'page_kind'      => 'archive',
		]);

		$main_class = trim((string) $args['main_class']);
		?>
		<main id="main-content" class="<?php echo esc_attr($main_class); ?>" tabindex="-1">
			<?php
			if (!empty($args['top_fluid']) && is_array($args['top_fluid'])) {
				aksrt_archive_render_widget_zone($args['top_fluid'], 'fluid-widget-wrap');
			}
			?>
			<div class="content-wrap">
				<div class="content-layout<?php echo !empty($args['has_sidebar']) ? '' : ' content-layout--no-sidebar'; ?>">
					<div class="content-layout__primary">
		<?php
	}
endif;

if (!function_exists('aksrt_archive_close_shell')) :
	/**
	 * Close a shared archive shell.
	 *
	 * @param array<string,mixed> $args Shell args.
	 */
	function aksrt_archive_close_shell(array $args = []): void {
		$args = wp_parse_args($args, [
			'has_sidebar'  => false,
			'bottom_fluid' => [],
		]);
		?>
					</div>
					<?php if (!empty($args['has_sidebar'])) : ?>
						<?php get_sidebar(); ?>
					<?php endif; ?>
				</div>
			</div>
			<?php
			if (!empty($args['bottom_fluid']) && is_array($args['bottom_fluid'])) {
				aksrt_archive_render_widget_zone($args['bottom_fluid'], 'fluid-widget-wrap');
			}
			?>
		</main>
		<?php
	}
endif;