<?php

namespace WooOrderCart\Config;

use WooOrderCart\Managers\Helpers\Cache;

/**
 * Invalidates legacy option caches used by wooordercart_get_cached_option().
 */
class CartLegacyOptionCache {
    public static function key( string $section, string $option ): string {
        $section = CartOptionMap::storage_key( $section );
        return "wooordercart_option_{$section}_{$option}";
    }

    public static function flush( string $section, string $option ): void {
        if ( '' === $section || '' === $option ) {
            return;
        }

        $cache_key = self::key( $section, $option );

        Cache::delete( $cache_key, 'options' );
        Cache::delete_transient( $cache_key );
    }

    /**
     * @param array<string,array<string,mixed>> $sections
     */
    public static function flush_sections( array $sections ): void {
        foreach ( $sections as $section => $values ) {
            if ( ! is_array( $values ) ) {
                continue;
            }

            foreach ( array_keys( $values ) as $option ) {
                self::flush( (string) $section, (string) $option );
            }
        }
    }
}