<?php
/**
 * Removes everything DynamiRSS stored when the plugin is deleted from the
 * Plugins screen: its settings (including the API key), the cached
 * category/channel lists, and every cached scan result and card template.
 */

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

/** Delete this plugin's data from the current site. */
function dynamirss_uninstall_site(): void {
	global $wpdb;

	delete_option( 'dynamirss_settings' );
	delete_option( 'newswire_blocks_settings' ); // Pre-rename settings, still read as a fallback.
	delete_option( 'dynamirss_categories_cache' );
	delete_option( 'dynamirss_channels_cache' );

	// Scan results and card templates are cached under hashed transient names,
	// so they can only be found by prefix.
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one-off cleanup on uninstall.
	$wpdb->query(
		$wpdb->prepare(
			"DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s",
			$wpdb->esc_like( '_transient_dynamirss_' ) . '%',
			$wpdb->esc_like( '_transient_timeout_dynamirss_' ) . '%'
		)
	);
}

if ( is_multisite() ) {
	foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $dynamirss_site_id ) {
		switch_to_blog( $dynamirss_site_id );
		dynamirss_uninstall_site();
		restore_current_blog();
	}
} else {
	dynamirss_uninstall_site();
}