<?php
/**
 * Rank Math (and Rank Math Pro).
 *
 * @package AiRankSuite
 */

declare(strict_types=1);

namespace AiRankSuite\Modules\ImportExport\Adapters;

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

/**
 * Post and term data in meta with the same key names, settings spread over
 * `rank-math-options-titles` (templates, robots per type, knowledge graph),
 * `rank-math-options-general` and `rank-math-options-sitemap` (exclusions),
 * redirects in a table of its own.
 */
final class RankMath extends Adapter {

	public function id(): string {
		return 'rankmath';
	}

	public function label(): string {
		return 'Rank Math';
	}

	public function active(): bool {
		return class_exists( 'RankMath' );
	}

	protected function post_meta_keys(): array {
		return array( 'rank_math_title', 'rank_math_description', 'rank_math_focus_keyword', 'rank_math_canonical_url', 'rank_math_robots', 'rank_math_facebook_title', 'rank_math_twitter_title', 'rank_math_rich_snippet', 'rank_math_breadcrumb_title' );
	}

	protected function term_meta_keys(): array {
		return array( 'rank_math_title', 'rank_math_description', 'rank_math_robots', 'rank_math_focus_keyword', 'rank_math_canonical_url' );
	}

	protected function has_settings(): bool {
		return array() !== $this->option( 'rank-math-options-titles' );
	}

	public function counts(): array {
		$counts              = parent::counts();
		$counts['redirects'] = $this->count_redirects();
		return $counts;
	}

	private function table(): string {
		global $wpdb;
		return $wpdb->prefix . 'rank_math_redirections';
	}

	private function count_redirects(): int {
		global $wpdb;
		if ( ! $this->table_exists( $this->table() ) ) {
			return 0;
		}
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		return (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM %i WHERE status = 'active'", $this->table() ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- table name from this plugin's own Database class/adapter, never from input; values go through $wpdb->prepare().
	}

	/**
	 * @return array<string, mixed>
	 */
	private function record( int $id, bool $term ): array {
		$robots = $this->robots_from( $term ? get_term_meta( $id, 'rank_math_robots', true ) : get_post_meta( $id, 'rank_math_robots', true ) );
		$kw     = $this->meta( $id, 'rank_math_focus_keyword', $term );
		// "primary, secondary, third" — the first is the focus keyword.
		$keywords = array_values( array_filter( array_map( 'trim', explode( ',', $kw ) ) ) );

		$record = array(
			'title'            => $this->vars( $this->meta( $id, 'rank_math_title', $term ) ),
			'desc'             => $this->vars( $this->meta( $id, 'rank_math_description', $term ) ),
			'keywords'         => $keywords,
			'canonical'        => $this->meta( $id, 'rank_math_canonical_url', $term ),
			'robots'           => $robots,
			'breadcrumb_title' => $this->meta( $id, 'rank_math_breadcrumb_title', $term ),
			'social'           => array(
				'og_title' => $this->meta( $id, 'rank_math_facebook_title', $term ),
				'og_desc'  => $this->meta( $id, 'rank_math_facebook_description', $term ),
				'og_image' => $this->meta( $id, 'rank_math_facebook_image', $term ),
				'tw_title' => $this->meta( $id, 'rank_math_twitter_title', $term ),
				'tw_desc'  => $this->meta( $id, 'rank_math_twitter_description', $term ),
				'tw_image' => $this->meta( $id, 'rank_math_twitter_image', $term ),
			),
		);
		if ( ! $term ) {
			$snippet = $this->meta( $id, 'rank_math_rich_snippet' );
			if ( '' !== $snippet && 'off' !== $snippet ) {
				$record['schema_type'] = $snippet;
			}
			if ( '' !== $this->meta( $id, 'rank_math_advanced_robots' ) ) {
				$record['robots'] = array_values( array_unique( array_merge( $record['robots'], $this->robots_from( get_post_meta( $id, 'rank_math_advanced_robots', true ) ) ) ) );
			}
		}
		return $this->clean( $record );
	}

	public function post_record( int $post_id ): array {
		return $this->record( $post_id, false );
	}

	public function term_record( int $term_id ): array {
		return $this->record( $term_id, true );
	}

	public function settings(): array {
		$titles = $this->option( 'rank-math-options-titles' );
		$sitemap = $this->option( 'rank-math-options-sitemap' );
		if ( empty( $titles ) && empty( $sitemap ) ) {
			return array();
		}
		$out = array(
			'separator'  => \AiRankSuite\Modules\ImportExport\Services\Variables::separator( (string) ( $titles['title_separator'] ?? '' ) ),
			'home_title' => $this->vars( (string) ( $titles['homepage_title'] ?? '' ) ),
			'home_desc'  => $this->vars( (string) ( $titles['homepage_description'] ?? '' ) ),
		);

		$templates  = array();
		$noindex_pt = array();
		foreach ( get_post_types( array( 'public' => true ) ) as $type ) {
			$title = $this->vars( (string) ( $titles[ 'pt_' . $type . '_title' ] ?? '' ) );
			$desc  = $this->vars( (string) ( $titles[ 'pt_' . $type . '_description' ] ?? '' ) );
			if ( '' !== $title || '' !== $desc ) {
				$templates[ $type ] = array( 'title' => $title, 'desc' => $desc );
			}
			if ( in_array( 'noindex', (array) ( $titles[ 'pt_' . $type . '_robots' ] ?? array() ), true ) ) {
				$noindex_pt[] = $type;
			}
		}
		$tax_templates = array();
		$noindex_tax   = array();
		foreach ( get_taxonomies( array( 'public' => true ) ) as $tax ) {
			$title = $this->vars( (string) ( $titles[ 'tax_' . $tax . '_title' ] ?? '' ) );
			$desc  = $this->vars( (string) ( $titles[ 'tax_' . $tax . '_description' ] ?? '' ) );
			if ( '' !== $title || '' !== $desc ) {
				$tax_templates[ $tax ] = array( 'title' => $title, 'desc' => $desc );
			}
			if ( in_array( 'noindex', (array) ( $titles[ 'tax_' . $tax . '_robots' ] ?? array() ), true ) ) {
				$noindex_tax[] = $tax;
			}
		}

		$out['templates']          = $templates;
		$out['noindex_types']      = $noindex_pt;
		$out['taxonomy_templates'] = $tax_templates;
		$out['noindex_taxonomies'] = $noindex_tax;
		$out['author_enabled']     = 'on' !== (string) ( $titles['disable_author_archives'] ?? '' );
		$out['author_title']       = $this->vars( (string) ( $titles['author_archive_title'] ?? '' ) );
		$out['author_noindex']     = in_array( 'noindex', (array) ( $titles['author_robots'] ?? array() ), true );
		$out['date_enabled']       = 'on' !== (string) ( $titles['disable_date_archives'] ?? '' );
		$out['date_noindex']       = in_array( 'noindex', (array) ( $titles['date_archive_robots'] ?? array() ), true );
		$out['search_title']       = $this->vars( (string) ( $titles['search_title'] ?? '' ) );
		$out['notfound_title']     = $this->vars( (string) ( $titles['404_title'] ?? '' ) );
		$out['attachment_redirect'] = 'on' === (string) ( $titles['attachment_redirect_urls'] ?? 'on' );
		$out['organisation']       = array(
			'name' => (string) ( $titles['knowledgegraph_name'] ?? '' ),
			'logo' => is_array( $titles['knowledgegraph_logo'] ?? null ) ? (string) ( $titles['knowledgegraph_logo']['url'] ?? '' ) : (string) ( $titles['knowledgegraph_logo'] ?? '' ),
			'type' => 'person' === (string) ( $titles['knowledgegraph_type'] ?? '' ) ? 'person' : 'organization',
		);
		$out['twitter_site']       = ltrim( (string) ( $titles['twitter_author_names'] ?? '' ), '@' );
		$out['og_default_image']   = is_array( $titles['open_graph_image'] ?? null ) ? (string) ( $titles['open_graph_image']['url'] ?? '' ) : (string) ( $titles['open_graph_image'] ?? '' );

		// Sitemap exclusions: Rank Math stores excluded post ids and terms.
		$out['sitemap_exclude_posts'] = array_values( array_filter( array_map( 'intval', preg_split( '/[\s,]+/', (string) ( $sitemap['exclude_posts'] ?? '' ) ) ?: array() ) ) );
		$out['sitemap_exclude_terms'] = array_values( array_filter( array_map( 'intval', preg_split( '/[\s,]+/', (string) ( $sitemap['exclude_terms'] ?? '' ) ) ?: array() ) ) );

		// Local SEO lives in the same titles option on the free plugin.
		$local = array(
			'name'    => (string) ( $titles['local_seo_company_name'] ?? $titles['knowledgegraph_name'] ?? '' ),
			'phone'   => is_array( $titles['phone_numbers'] ?? null ) ? (string) ( $titles['phone_numbers'][0]['number'] ?? '' ) : '',
			'street'  => (string) ( $titles['local_address']['streetAddress'] ?? '' ),
			'city'    => (string) ( $titles['local_address']['addressLocality'] ?? '' ),
			'zip'     => (string) ( $titles['local_address']['postalCode'] ?? '' ),
			'country' => (string) ( $titles['local_address']['addressCountry'] ?? '' ),
		);
		if ( '' !== implode( '', array_map( 'strval', $local ) ) ) {
			$out['local'] = $local;
		}
		return $out;
	}

	public function redirects( int $after, int $limit ): array {
		global $wpdb;
		if ( ! $this->table_exists( $this->table() ) ) {
			return array();
		}
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$rows = $wpdb->get_results( $wpdb->prepare( "SELECT id, sources, url_to, header_code FROM %i WHERE status = 'active' AND id > %d ORDER BY id ASC LIMIT %d", $this->table(), $after, max( 1, $limit ) ) );
		$out  = array();
		foreach ( (array) $rows as $row ) {
			$sources = maybe_unserialize( $row->sources );
			foreach ( (array) $sources as $source ) {
				$pattern = is_array( $source ) ? (string) ( $source['pattern'] ?? '' ) : (string) $source;
				if ( '' === $pattern ) {
					continue;
				}
				$out[] = array(
					'id'     => (int) $row->id,
					'source' => $pattern,
					'target' => (string) $row->url_to,
					'type'   => (int) $row->header_code,
				);
			}
			if ( empty( $sources ) ) {
				// A row we cannot read still has to advance the cursor.
				$out[] = array( 'id' => (int) $row->id, 'source' => '', 'target' => '', 'type' => 301 );
			}
		}
		return $out;
	}
}