<?php
/**
 * Slim SEO migration.
 *
 * @package SEOPress
 * @subpackage Ajax
 */

defined( 'ABSPATH' ) || exit( 'Please don&rsquo;t call the plugin directly. Thanks :)' );

/**
 * Slim SEO migration.
 */
function seopress_slim_seo_migration() {
	check_ajax_referer( 'seopress_slim_seo_migrate_nonce', '_ajax_nonce', true );

	if ( current_user_can( seopress_capability( 'manage_options', 'migration' ) ) && is_admin() ) {
		if ( isset( $_POST['offset'] ) && isset( $_POST['offset'] ) ) {
			$offset = absint( $_POST['offset'] );
		}

		global $wpdb;
		// phpcs:ignore
		$total_count_posts = (int) $wpdb->get_var( "SELECT count(*) FROM {$wpdb->posts}" );
		// phpcs:ignore
		$total_count_terms = (int) $wpdb->get_var( "SELECT count(*) FROM {$wpdb->terms}" );

		$increment = 200;
		global $post;

		if ( $offset > $total_count_posts ) {
			wp_reset_postdata();
			$count_items = $total_count_posts;

			$args                 = array(
				// 'number' => $increment,
				'hide_empty' => false,
				// 'offset' => $offset,
				'fields'     => 'ids',
			);
			$slim_seo_query_terms = get_terms( $args );

			if ( $slim_seo_query_terms ) {
				foreach ( $slim_seo_query_terms as $term_id ) {
					if ( '' !== get_term_meta( $term_id, 'slim_seo', true ) ) {
						$term_settings = get_term_meta( $term_id, 'slim_seo', true );

						if ( ! empty( $term_settings['title'] ) ) { // Import title tag.
							update_term_meta( $term_id, '_seopress_titles_title', esc_html( $term_settings['title'] ) );
						}
						if ( ! empty( $term_settings['description'] ) ) { // Import meta desc.
							update_term_meta( $term_id, '_seopress_titles_desc', esc_html( $term_settings['description'] ) );
						}
						if ( ! empty( $term_settings['noindex'] ) ) { // Import Robots NoIndex.
							update_term_meta( $term_id, '_seopress_robots_index', 'yes' );
						}
						if ( ! empty( $term_settings['facebook_image'] ) ) { // Import FB image.
							update_term_meta( $term_id, '_seopress_social_fb_img', esc_url( $term_settings['facebook_image'] ) );
						}
						if ( ! empty( $term_settings['twitter_image'] ) ) { // Import Tw image.
							update_term_meta( $term_id, '_seopress_social_twitter_img', esc_url( $term_settings['twitter_image'] ) );
						}
					}
				}
			}
			$offset = 'done';
			wp_reset_postdata();
		} else {
			$args = array(
				'posts_per_page' => $increment,
				'post_type'      => 'any',
				'post_status'    => 'any',
				'offset'         => $offset,
			);

			$slim_seo_query = get_posts( $args );

			if ( $slim_seo_query ) {
				foreach ( $slim_seo_query as $post ) {
					if ( '' !== get_post_meta( $post->ID, 'slim_seo', true ) ) {
						$post_settings = get_post_meta( $post->ID, 'slim_seo', true );

						if ( ! empty( $post_settings['title'] ) ) { // Import title tag.
							update_post_meta( $post->ID, '_seopress_titles_title', esc_html( $post_settings['title'] ) );
						}
						if ( ! empty( $post_settings['description'] ) ) { // Import meta desc.
							update_post_meta( $post->ID, '_seopress_titles_desc', esc_html( $post_settings['description'] ) );
						}
						if ( ! empty( $post_settings['noindex'] ) ) { // Import Robots NoIndex.
							update_post_meta( $post->ID, '_seopress_robots_index', 'yes' );
						}
						if ( ! empty( $post_settings['facebook_image'] ) ) { // Import FB image.
							update_post_meta( $post->ID, '_seopress_social_fb_img', esc_url( $post_settings['facebook_image'] ) );
						}
						if ( ! empty( $post_settings['twitter_image'] ) ) { // Import Tw image.
							update_post_meta( $post->ID, '_seopress_social_twitter_img', esc_url( $post_settings['twitter_image'] ) );
						}
					}
				}
			}
			$offset += $increment;

			if ( $offset >= $total_count_posts ) {
				$count_items = $total_count_posts;
			} else {
				$count_items = $offset;
			}
		}
		$data = array();

		$data['count'] = $count_items;
		$data['total'] = $total_count_posts + $total_count_terms;

		$data['offset'] = $offset;
		wp_send_json_success( $data );
		exit();
	}
}
add_action( 'wp_ajax_seopress_slim_seo_migration', 'seopress_slim_seo_migration' );
