<?php

namespace App\Services\Registries;

use App\Enums\RegistryType;
use App\Models\Organisation;
use App\Models\Registry;
use App\Models\Server;
use Illuminate\Support\Str;

class ManagedRegistryProvisioner
{
    public function provision(Organisation $organisation, string $url, ?Server $controlServer = null, ?string $storagePath = null, ?int $retention = null): Registry
    {
        $registry = $organisation->registries()->firstOrNew([
            'type' => RegistryType::MANAGED->value,
        ]);

        $registry->fill([
            'name' => 'Managed Registry',
            'url' => $this->registryHost($url),
            'storage_path' => $storagePath ?: (string) config('keystone.managed_registry.storage_path'),
            'retention_successful_artifacts' => $retention ?: (int) config('keystone.managed_registry.retention.successful_artifacts_per_environment', 3),
            'control_server_id' => $controlServer?->id,
            'credentials' => $this->credentials($registry->credentials ?? []),
        ]);

        if ($registry->health_status === null) {
            $registry->health_status = 'pending';
        }

        $registry->save();

        if ($controlServer instanceof Server) {
            $controlServer->forceFill([
                'is_control_node' => true,
                'build_enabled' => true,
            ])->save();
        }

        return $registry->refresh();
    }

    /**
     * @param  array<string, mixed>  $existing
     * @return array<string, string>
     */
    private function credentials(array $existing): array
    {
        return [
            'build_username' => (string) ($existing['build_username'] ?? 'keystone-build'),
            'build_password' => (string) ($existing['build_password'] ?? Str::password(40)),
            'runtime_username' => (string) ($existing['runtime_username'] ?? 'keystone-runtime'),
            'runtime_password' => (string) ($existing['runtime_password'] ?? Str::password(40)),
        ];
    }

    private function registryHost(string $url): string
    {
        $host = preg_replace('#^https?://#', '', trim($url));

        return rtrim($host === null ? trim($url) : $host, '/');
    }
}