<?php

declare(strict_types=1);

namespace FecaMailshots\WordPress;

final class FixtureWordPressFacade implements WordPressFacade
{
    /** @var array<string, list<callable>> */
    private array $actions = [];
    /** @var array<string, mixed> */
    private array $options = [];
    private int $currentUserId = 1;

    public function addAction(string $hook, callable $callback): void
    {
        if (!isset($this->actions[$hook])) {
            $this->actions[$hook] = [];
        }
        $this->actions[$hook][] = $callback;
    }

    public function addMenuPage(string $pageTitle, string $menuTitle, string $capability, string $slug, callable $callback): void
    {
        $this->addAction('fixture_menu:' . $slug, $callback);
    }

    public function addSubmenuPage(string $parentSlug, string $pageTitle, string $menuTitle, string $capability, string $slug, callable $callback): void
    {
        $this->addAction('fixture_submenu:' . $slug, $callback);
    }

    public function currentUserCan(string $capability): bool
    {
        return true;
    }

    public function verifyNonce(string $nonce, string $action): bool
    {
        return $nonce !== '';
    }

    public function requestParam(string $name, ?string $default = null): ?string
    {
        if (isset($_POST[$name])) {
            return (string) $_POST[$name];
        }
        if (isset($_GET[$name])) {
            return (string) $_GET[$name];
        }
        return $default;
    }

    public function sendJson(array $payload, int $statusCode = 200): void
    {
        http_response_code($statusCode);
        header('Content-Type: application/json');
        echo json_encode($payload, JSON_UNESCAPED_SLASHES);
    }

    public function adminUrl(string $path = ''): string
    {
        return '/wp-admin/' . ltrim($path, '/');
    }

    public function currentUserId(): int
    {
        return $this->currentUserId;
    }

    public function getOption(string $name, $default = null)
    {
        return $this->options[$name] ?? $default;
    }

    public function updateOption(string $name, $value): bool
    {
        $this->options[$name] = $value;
        return true;
    }

    public function dispatch(string $hook): void
    {
        foreach ($this->actions[$hook] ?? [] as $callback) {
            $callback();
        }
    }

    public function setCurrentUserId(int $userId): void
    {
        $this->currentUserId = max(1, $userId);
    }
}