<?php

declare(strict_types=1);

namespace Sarcio\WordPress;

use Sarcio\Shim\Verdict;

/**
 * The patch context for the current request — WordPress' answer to Laravel's
 * `$request->attributes->get('sarcio')`. Theme and plugin code reads it through
 * the `sarcio_context()` / `sarcio_skips()` / `sarcio_config()` helpers:
 *
 *   if (!sarcio_skips('referral_code_required')) {
 *       // enforce the rule as normal
 *   }
 *
 * A request with no live patch leaves this empty, so callers never branch on
 * whether Sarcio is installed.
 */
final class Context
{
    /** @var array<string,mixed>|null */
    private static ?array $body = null;

    /** @var array<string,mixed> */
    private static array $config = [];

    /** @var array<int,string> */
    private static array $skipValidations = [];

    /** @return array{body:array<string,mixed>|null,config:array<string,mixed>,skipValidations:array<int,string>} */
    public static function all(): array
    {
        return [
            'body' => self::$body,
            'config' => self::$config,
            'skipValidations' => self::$skipValidations,
        ];
    }

    public static function config(string $key, mixed $default = null): mixed
    {
        return self::$config[$key] ?? $default;
    }

    public static function reset(): void
    {
        self::$body = null;
        self::$config = [];
        self::$skipValidations = [];
    }

    /** @param array<string,mixed>|null $body the overridden request body, if the verdict carried one */
    public static function set(Verdict $verdict, ?array $body = null): void
    {
        self::$body = $body;
        self::$config = $verdict->config();
        self::$skipValidations = $verdict->skipValidations();
    }

    public static function skips(string $validation): bool
    {
        return in_array($validation, self::$skipValidations, true);
    }
}