<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Str;

class OAuthListKeysCommand extends Command
{
    protected $signature = 'oauth:list-keys {--json : Output as JSON for scripting}';

    protected $description = 'List available JWT signing key directories and their status.';

    public function handle(): int
    {
        $storage = rtrim(config('oauth.keys.storage_path', storage_path('app/oauth-keys')), DIRECTORY_SEPARATOR);
        $currentKid = config('oauth.keys.current_kid', 'fotospiel-jwt');

        if (! File::exists($storage)) {
            $this->error("Key store path does not exist: {$storage}");
            return self::FAILURE;
        }

        $directories = collect(File::directories($storage))
            ->filter(fn ($path) => Str::lower(basename($path)) !== 'archive')
            ->values()
            ->map(function (string $path) use ($currentKid) {
                $kid = basename($path);
                $publicKey = $path.DIRECTORY_SEPARATOR.'public.key';
                $privateKey = $path.DIRECTORY_SEPARATOR.'private.key';

                return [
                    'kid' => $kid,
                    'status' => $kid === $currentKid ? 'current' : 'legacy',
                    'public' => File::exists($publicKey),
                    'private' => File::exists($privateKey),
                    'updated_at' => File::exists($path) ? date('c', File::lastModified($path)) : null,
                    'path' => $path,
                ];
            })
            ->sortBy(fn ($entry) => ($entry['status'] === 'current' ? '0-' : '1-').$entry['kid'])
            ->values();

        if ($this->option('json')) {
            $this->line($directories->toJson(JSON_PRETTY_PRINT));
            return self::SUCCESS;
        }

        if ($directories->isEmpty()) {
            $this->warn('No signing key directories found.');
            return self::SUCCESS;
        }

        $this->table(
            ['KID', 'Status', 'Public.key', 'Private.key', 'Updated At', 'Path'],
            $directories->map(fn ($entry) => [
                $entry['kid'],
                $entry['status'],
                $entry['public'] ? 'yes' : 'no',
                $entry['private'] ? 'yes' : 'no',
                $entry['updated_at'] ?? 'n/a',
                $entry['path'],
            ])
        );

        return self::SUCCESS;
    }
}