<?php
/**
 * Uninstall handler.
 *
 * Removes plugin data only when the "delete data on uninstall" setting is enabled.
 * Standalone by design (no autoloader) per WordPress guidelines.
 *
 * @package AccordionFaq
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/**
 * Delete all plugin data for the current site.
 *
 * @return void
 */
function accordion_faq_uninstall_site() {
	$settings = get_option( 'accordion_faq_settings', array() );
	$delete   = is_array( $settings ) && ! empty( $settings['delete_data'] );

	// Always remove the plugin's own bookkeeping options.
	delete_option( 'accordion_faq_db_version' );

	if ( ! $delete ) {
		return;
	}

	// Remove settings.
	delete_option( 'accordion_faq_settings' );

	// Delete all FAQ posts (and their meta).
	$faqs = get_posts(
		array(
			'post_type'   => 'quick_faq',
			'post_status' => 'any',
			'numberposts' => -1,
			'fields'      => 'ids',
		)
	);
	foreach ( $faqs as $faq_id ) {
		wp_delete_post( $faq_id, true );
	}

	// Delete taxonomy terms.
	$terms = get_terms(
		array(
			'taxonomy'   => 'quick_faq_tax',
			'hide_empty' => false,
			'fields'     => 'ids',
		)
	);
	if ( ! is_wp_error( $terms ) ) {
		foreach ( $terms as $term_id ) {
			wp_delete_term( $term_id, 'quick_faq_tax' );
		}
	}

	// Drop the analytics table.
	global $wpdb;
	$table = $wpdb->prefix . 'accordion_faq_events';
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.SchemaChange -- dropping the plugin's own custom table on uninstall has no WordPress API alternative.
	$wpdb->query( $wpdb->prepare( 'DROP TABLE IF EXISTS %i', $table ) );

	// Clear any cached analytics aggregates for this site.
	wp_cache_delete( 'last_changed', 'accordion_faq_analytics' );
}

if ( is_multisite() ) {
	$accordion_faq_site_ids = get_sites( array( 'fields' => 'ids' ) );
	foreach ( $accordion_faq_site_ids as $accordion_faq_site_id ) {
		switch_to_blog( $accordion_faq_site_id );
		accordion_faq_uninstall_site();
		restore_current_blog();
	}
} else {
	accordion_faq_uninstall_site();
}