<?php

declare(strict_types=1);

namespace Desktop;

final class AppIconResolver
{
    /**
     * @param array<int, array<string, mixed>> $apps
     * @return array<int, array<string, mixed>>
     */
    public static function decorate(array $apps, string $skin): array
    {
        $manifest = self::manifest($skin);

        return array_map(
            static function (array $app) use ($manifest): array {
                $appId = (string) ($app['app_id'] ?? '');
                $iconPath = $manifest[$appId] ?? null;

                if ($iconPath !== null) {
                    $app['icon_path'] = $iconPath;
                }

                return $app;
            },
            $apps
        );
    }

    /**
     * @return array<string, string>
     */
    private static function manifest(string $skin): array
    {
        return match ($skin) {
            'windows' => [
                'welcome-center' => '/assets/desktop/skin-icons/windows/welcome-center.ico',
                'public-dashboard' => '/assets/desktop/skin-icons/windows/public-dashboard.ico',
                'workspace-manager' => '/assets/desktop/skin-icons/windows/workspace-manager.ico',
                'admin-apps' => '/assets/desktop/skin-icons/windows/admin-apps.ico',
                'desktop-login' => '/assets/desktop/skin-icons/windows/desktop-login.ico',
            ],
            'apple' => [
                'welcome-center' => '/assets/desktop/skin-icons/apple/welcome-center.svg',
                'public-dashboard' => '/assets/desktop/skin-icons/apple/public-dashboard.svg',
                'workspace-manager' => '/assets/desktop/skin-icons/apple/workspace-manager.svg',
                'admin-apps' => '/assets/desktop/skin-icons/apple/admin-apps.svg',
                'desktop-login' => '/assets/desktop/skin-icons/apple/desktop-login.svg',
            ],
            'linux' => [
                'welcome-center' => '/assets/desktop/skin-icons/linux/welcome-center.svg',
                'public-dashboard' => '/assets/desktop/skin-icons/linux/public-dashboard.svg',
                'workspace-manager' => '/assets/desktop/skin-icons/linux/workspace-manager.svg',
                'admin-apps' => '/assets/desktop/skin-icons/linux/admin-apps.svg',
                'desktop-login' => '/assets/desktop/skin-icons/linux/desktop-login.svg',
            ],
            default => [],
        };
    }
}