<?php
/**
 * legacy 9.0 article-list configuration and image resolution.
 *
 * @package AKSRT
 */

defined('ABSPATH') || exit;

if (!function_exists('aksrt_renderer_defaults')) {
	/** @return array<string,mixed> */
	function aksrt_renderer_defaults(): array {
		return [
			'type'            => 'auto',
			'no_author'       => false,
			'no_margin'       => false,
			'is_mult_thumb'   => false,
			'is_no_thumb'     => false,
			'is_card'         => false,
			'is_category'     => is_category(),
			'is_search'       => is_search(),
			'is_home'         => is_home() || is_front_page(),
			'is_author'       => is_author(),
			'is_tag'          => is_tag(),
			'highlight_query' => '',
			'wrapper_class'   => '',
			'skip_wrapper'    => false,
		];
	}
}

if (!function_exists('aksrt_renderer_config')) {
	/**
	 * Resolve the one canonical legacy list/card decision matrix.
	 *
	 * @param array<string,mixed> $args Caller arguments.
	 * @return array<string,mixed>
	 */
	function aksrt_renderer_config(array $args = []): array {
		$args = wp_parse_args($args, aksrt_renderer_defaults());
		$list = class_exists('\AKSRT\Settings\Settings')
			? \AKSRT\Settings\Settings::get_post_list_style_settings()
			: [];
		$thumb = class_exists('\AKSRT\Settings\Settings')
			? \AKSRT\Settings\Settings::get_post_thumb_settings()
			: [];

		$list_type = sanitize_key((string) ($list['list_type'] ?? 'thumb'));
		$forced_type = sanitize_key((string) $args['type']);
		$is_forced = in_array($forced_type, ['list', 'card'], true);
		$is_card = $forced_type === 'card' || (!$is_forced && !empty($args['is_card']));
		if (!$is_forced && !$is_card && $list_type === 'card') {
			$is_card = true;
		}
		if (!$is_forced && !$is_card) {
			$is_card = (!empty($args['is_tag']) && !empty($list['list_card_tag']))
				|| (!empty($args['is_home']) && !empty($list['list_card_home']))
				|| (!empty($args['is_author']) && !empty($list['list_card_author']));
		}
		if (!$is_forced && !$is_card) {
			$term_id = (int) get_queried_object_id();
			$is_card = $term_id > 0 && in_array($term_id, (array) ($list['list_card_cat'] ?? []), true);
		}

		$list_option = (array) ($list['list_list_option'] ?? []);
		$card_option = (array) ($list['list_card_option'] ?? []);
		$style = sanitize_key((string) (($is_card ? $card_option : $list_option)['style'] ?? 'null'));
		if (!in_array($style, ['style2', 'style3'], true)) {
			$style = '';
		}

		$args['mode'] = $is_card ? 'card' : 'list';
		$args['list_type'] = $list_type;
		$args['style'] = $style;
		$args['img_position'] = sanitize_key((string) ($list_option['img_position'] ?? 'left')) === 'right' ? 'right' : 'left';
		$args['list_scale'] = max(50, min(200, (int) ($list_option['scale'] ?? 70)));
		$args['card_scale'] = max(20, min(200, (int) ($card_option['scale'] ?? 70)));
		$args['no_margin'] = !empty($args['no_margin']) || (($list['list_show_type'] ?? 'separate') === 'no_margin');
		$args['no_author'] = !empty($args['no_author']) || !empty($args['is_author']);
		$args['target_blank'] = !empty($list['target_blank']);
		$args['heading_bold'] = !empty($list['item_heading_bold']);
		$args['show_author'] = !empty($list['post_list_author']);
		$args['show_time'] = !empty($list['post_list_time']);
		$args['time_source'] = (string) ($list['post_time_source'] ?? 'modified');
		$args['list_orderby'] = (string) ($list['list_orderby'] ?? 'modified');
		$args['mobile_meta'] = (string) ($list['list_meta_show'] ?? 'like');
		$args['badge_types'] = (array) ($list['list_badge_show'] ?? ['pay', 'cat', 'tag']);
		$args['mult_thumb_cat'] = (array) ($list['mult_thumb_cat'] ?? []);
		$args['thumb'] = $thumb;
		$args['allow_conditional_layout'] = aksrt_is_show_sidebar() || wp_is_mobile();
		$page = class_exists('\AKSRT\Settings\Settings')
			? \AKSRT\Settings\Settings::get_post_page_settings()
			: [];
		$comments = class_exists('\AKSRT\Settings\Settings')
			? \AKSRT\Settings\Settings::get_comment_display_settings()
			: [];
		$args['show_like'] = !array_key_exists('like_enabled', $page) || !empty($page['like_enabled']);
		$args['close_comments'] = !empty($comments['close_comments']);

		return $args;
	}
}

if (!function_exists('aksrt_renderer_highlight_text')) {
	function aksrt_renderer_highlight_text(string $text, string $query): string {
		$text = wp_strip_all_tags($text);
		$query = trim($query);
		if ($query === '' || $text === '') {
			return esc_html($text);
		}
		$words = array_values(array_unique(array_filter(preg_split('/\s+/u', $query) ?: [])));
		if (!$words) {
			return esc_html($text);
		}
		$pattern = '/' . implode('|', array_map(static fn(string $word): string => preg_quote($word, '/'), $words)) . '/iu';
		return (string) preg_replace($pattern, '<span class="focus-color">$0</span>', esc_html($text));
	}
}

if (!function_exists('aksrt_renderer_title_markup')) {
	function aksrt_renderer_title_markup(array $data, array $cfg): string {
		$title = aksrt_renderer_highlight_text((string) $data['title'], (string) ($cfg['highlight_query'] ?? ''));
		if ((string) ($data['subtitle'] ?? '') !== '') {
			$title .= '<span class="focus-color"> ' . esc_html((string) $data['subtitle']) . '</span>';
		}
		return $title;
	}
}

if (!function_exists('aksrt_renderer_excerpt_markup')) {
	function aksrt_renderer_excerpt_markup(array $data, array $cfg): string {
		return aksrt_renderer_highlight_text((string) $data['excerpt'], (string) ($cfg['highlight_query'] ?? ''));
	}
}

if (!function_exists('aksrt_renderer_curated_images')) {
	/** @return string[] */
	function aksrt_renderer_curated_images(int $post_id, string $size, int $limit = 8): array {
		$raw = class_exists('\AKSRT\Core\PostMetaBox')
			? (string) \AKSRT\Core\PostMetaBox::get_meta_value($post_id, 'featured_slide', '')
			: '';
		$images = [];
		foreach (array_filter(preg_split('/[\s,]+/', $raw) ?: []) as $token) {
			$image = aksrt_renderer_sized_image((string) $token, $size);
			if ($image !== '') {
				$images[] = $image;
			}
		}
		return array_slice($images, 0, $limit);
	}
}

if (!function_exists('aksrt_renderer_sized_image')) {
	function aksrt_renderer_sized_image(string $image, string $size): string {
		$image = trim($image);
		if ($image === '') {
			return '';
		}
		$attachment_id = ctype_digit($image) ? (int) $image : 0;
		if ($attachment_id === 0) {
			$lookup_url = (string) preg_replace('/\?.*$/', '', $image);
			$attachment_id = attachment_url_to_postid($lookup_url);
			if ($attachment_id === 0) {
				$full_url = (string) preg_replace('/-\d+x\d+(?=\.[^.]+$)/', '', $lookup_url);
				$attachment_id = attachment_url_to_postid($full_url);
			}
		}
		if ($attachment_id > 0) {
			$sized = wp_get_attachment_image_url($attachment_id, $size);
			if (is_string($sized) && $sized !== '') {
				return esc_url_raw($sized);
			}
		}
		return esc_url_raw($image);
	}
}

if (!function_exists('aksrt_renderer_content_images')) {
	/** @return string[] */
	function aksrt_renderer_content_images(int $post_id, string $size): array {
		$content = strip_shortcodes((string) get_post_field('post_content', $post_id, 'raw'));
		if ($content === '' || !preg_match_all('/<img.*?(?: |\t|\r|\n)?src=[\'\"]?(.+?)[\'\"]?(?:(?: |\t|\r|\n)+.*?)?>/sim', $content, $matches)) {
			return [];
		}
		$images = [];
		foreach ((array) ($matches[1] ?? []) as $image) {
			$sized = aksrt_renderer_sized_image((string) $image, $size);
			if ($sized !== '') {
				$images[] = $sized;
			}
		}
		return $images;
	}
}

if (!function_exists('aksrt_renderer_category_image')) {
	function aksrt_renderer_category_image(int $post_id, string $size): string {
		foreach ((array) get_the_category($post_id) as $category) {
			$attachment_id = (int) get_term_meta((int) $category->term_id, 'aksrt_category_cover_id', true);
			if ($attachment_id > 0) {
				return aksrt_renderer_sized_image((string) $attachment_id, $size);
			}
		}
		return '';
	}
}

if (!function_exists('aksrt_renderer_spare_image')) {
	function aksrt_renderer_spare_image(array $thumb): string {
		$images = array_values(array_filter((array) ($thumb['spare_thumbnail'] ?? [])));
		return $images ? (string) $images[array_rand($images)] : '';
	}
}

if (!function_exists('aksrt_renderer_resolve_images')) {
	/** @return array{primary:string,gallery:string[],slides:string[],has_real:bool,is_slide:bool,video_url:string} */
	function aksrt_renderer_resolve_images(int $post_id, array $cfg): array {
		$thumb = (array) ($cfg['thumb'] ?? []);
		$size = (string) ($thumb['thumb_postfirstimg_size'] ?? 'medium');
		$slides = aksrt_renderer_curated_images($post_id, $size);
		$gallery = aksrt_renderer_content_images($post_id, $size);
		$video_url = class_exists('\AKSRT\Core\PostMetaBox')
			? esc_url_raw((string) \AKSRT\Core\PostMetaBox::get_meta_value($post_id, 'featured_video', ''))
			: '';

		$thumbnail_id = (int) get_post_thumbnail_id($post_id);
		$primary = $thumbnail_id > 0 ? aksrt_renderer_sized_image((string) $thumbnail_id, $size) : '';
		if ($primary === '') {
			$primary = class_exists('\AKSRT\Core\PostMetaBox')
				? esc_url_raw((string) \AKSRT\Core\PostMetaBox::get_meta_value($post_id, 'thumbnail_url', ''))
				: '';
		}
		if ($primary === '' && !empty($thumb['thumb_postfirstimg_s']) && !empty($gallery[0])) {
			$primary = (string) $gallery[0];
		}
		if ($primary === '' && !empty($thumb['thumb_catimg_s'])) {
			$primary = aksrt_renderer_category_image($post_id, $size);
		}
		$has_real = $primary !== '';
		if ($primary === '') {
			$primary = aksrt_renderer_spare_image($thumb);
		}
		if ($primary === '') {
			$primary = (string) aksrt_get_lazy_thumb();
		}

		return [
			'primary' => esc_url_raw($primary),
			'gallery' => $gallery,
			'slides' => $slides,
			'has_real' => $has_real,
			'is_slide' => !empty($thumb['list_thumb_slides_s']) && count($slides) > 0,
			'video_url' => $video_url,
		];
	}
}