<?php

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

require_once AIEO_DIR . 'includes/seo/class-aieo-seo-store.php';

abstract class AIEO_SEO_Import_Source {

	
	const OUR_SCHEMA_TYPES = array( 'Article', 'Product', 'WebPage', 'default' );

	
	
	

	
	abstract public function id();

	
	abstract public function label();

	
	abstract public function available();

	
	abstract public function counts();

	
	
	

	
	abstract public function import_posts_chunk( $after_id, $limit );

	
	abstract public function import_terms_chunk( $after_id, $limit );

	
	abstract public function import_options();

	
	abstract public function mapping_report();

	
	public function has_redirects() {
		return false;
	}

	
	public function import_redirects() {
		return array( 'available' => false, 'imported' => 0, 'skipped_missing_target' => 0, 'skipped_loop' => 0, 'regex_unverified' => 0 );
	}

	
	
	

	
	protected function empty_result( $after_id = 0 ) {
		return array( 'imported' => 0, 'stripped' => 0, 'skipped' => 0, 'last_id' => (int) $after_id, 'done' => true );
	}

	
	protected function macros_to_tags( $string, $macros, $trailing ) {
		$string = (string) $string;
		if ( '' === $string ) {
			return '';
		}
		foreach ( $macros as $macro => $tag ) {
			
			
			$string = (string) preg_replace( '#' . $macro . '(?![a-zA-Z0-9_])#im', $tag, $string );
		}
		$string = (string) preg_replace( '#' . $trailing . '#', '', $string );
		
		
		$string = (string) preg_replace( '/\s+/u', ' ', $string );
		return trim( $string, " \t\n\r\0\x0B" );
	}

	
	protected function normalise_schema_type( $type ) {
		$type = trim( (string) preg_replace( '#\s#', '', (string) $type ) );
		if ( '' === $type ) {
			return array( '', false );
		}
		$lower = strtolower( $type );
		if ( 'faqpage' === $lower || 'faq' === $lower || 'howto' === $lower ) {
			return array( 'WebPage', true );
		}
		
		
		
		if ( in_array( $lower, array( 'article', 'newsarticle', 'blogposting' ), true ) ) {
			return array( 'Article', false );
		}
		if ( 'product' === $lower ) {
			return array( 'Product', false );
		}
		if ( 'webpage' === $lower || 'itempage' === $lower || 'aboutpage' === $lower || 'contactpage' === $lower
			|| 'collectionpage' === $lower || 'checkoutpage' === $lower || 'profilepage' === $lower
			|| 'searchresultspage' === $lower || 'realestatelisting' === $lower ) {
			return array( 'WebPage', false );
		}
		if ( 'none' === $lower || 'off' === $lower || 'default' === $lower ) {
			return array( 'default', false );
		}
		return array( 'default', false );
	}

	
	protected function keyphrase_fields( $focus, $additional = array() ) {
		$focus = trim( (string) $focus );
		$extra = array();
		foreach ( (array) $additional as $k ) {
			$k = trim( (string) $k );
			if ( '' !== $k && $k !== $focus ) {
				$extra[] = array( 'keyphrase' => $k );
			}
		}
		if ( '' === $focus && ! $extra ) {
			return array();
		}
		$json = array( 'focus' => array( 'keyphrase' => $focus ) );
		if ( $extra ) {
			$json['additional'] = $extra;
		}
		$out = array( 'keyphrases' => wp_json_encode( $json ) );
		if ( '' !== $focus ) {
			$out['focus_keyphrase']        = $focus;
			$out['focus_keyphrase_source'] = 'imported';
		}
		return $out;
	}

	
	protected function primary_term_fields( $map ) {
		$clean = array();
		foreach ( (array) $map as $tax => $term_id ) {
			$tax     = (string) $tax;
			$term_id = (int) $term_id;
			if ( '' !== $tax && $term_id > 0 ) {
				$clean[ $tax ] = $term_id;
			}
		}
		if ( ! $clean ) {
			return array();
		}
		$out = array( 'primary_term' => wp_json_encode( $clean ) );
		if ( ! empty( $clean['product_cat'] ) ) {
			$out['primary_cat_id'] = (int) $clean['product_cat'];
		} elseif ( ! empty( $clean['category'] ) ) {
			$out['primary_cat_id'] = (int) $clean['category'];
		}
		return $out;
	}

	
	protected function robots_fields( $explicit, $flags = array() ) {
		$known = array( 'noindex', 'nofollow', 'noarchive', 'nosnippet', 'noimageindex', 'noodp', 'notranslate' );
		$out   = array( 'robots_default' => $explicit ? 0 : 1 );
		foreach ( $known as $f ) {
			$out[ 'robots_' . $f ] = ! empty( $flags[ $f ] ) ? 1 : 0;
		}
		return $out;
	}

	
	protected function like_prefix( $prefix ) {
		global $wpdb;
		return $wpdb->esc_like( (string) $prefix ) . '%';
	}
}