<?php

namespace App\Services\ISPConfig;

use Exception;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Log;
use SoapClient;
use SoapFault;

class ISPConfigService
{
    protected ?SoapClient $client = null;

    protected ?string $sessionId = null;

    protected array $config;

    protected string $serverType;

    /**
     * @throws Exception
     */
    public function __construct(string $serverType = 'mail_server')
    {
        $this->serverType = $serverType;
        $this->config = config("services.ispconfig.servers.{$serverType}");

        if (! $this->config) {
            throw new Exception("ISPConfig server configuration not found for: {$serverType}");
        }
    }

    protected function connect(): void
    {
        if ($this->client !== null && $this->sessionId !== null) {
            return;
        }

        try {
            $this->client = new SoapClient(null, [
                'location' => $this->config['soap_location'],
                'uri' => $this->config['soap_uri'],
                'trace' => 1,
                'exceptions' => 1,
                'stream_context' => stream_context_create([
                    'ssl' => [
                        'verify_peer' => false,
                        'verify_peer_name' => false,
                    ],
                ]),
            ]);

            $this->sessionId = $this->client->login(
                $this->config['username'],
                $this->config['password']
            );

            Log::info('ISPConfig connected', [
                'server' => $this->serverType,
                'session_id' => $this->sessionId,
            ]);

        } catch (SoapFault $e) {
            Log::error('ISPConfig connection failed', [
                'server' => $this->serverType,
                'error' => $e->getMessage(),
            ]);
            throw new Exception('Failed to connect to ISPConfig: '.$e->getMessage());
        }
    }

    public function disconnect(): void
    {
        if ($this->client && $this->sessionId) {
            try {
                $this->client->logout($this->sessionId);
                Log::info('ISPConfig disconnected', ['server' => $this->serverType]);
            } catch (SoapFault $e) {
                Log::warning('ISPConfig logout failed', [
                    'server' => $this->serverType,
                    'error' => $e->getMessage(),
                ]);
            }

            $this->sessionId = null;
            $this->client = null;
        }
    }

    /**
     * @throws Exception
     */
    protected function call(string $method, array $params = []): mixed
    {
        $this->connect();

        try {
            array_unshift($params, $this->sessionId);

            $result = $this->client->__soapCall($method, $params);

            Log::debug('ISPConfig API call', [
                'method' => $method,
                'server' => $this->serverType,
                'success' => true,
            ]);

            return $result;

        } catch (SoapFault $e) {
            Log::error('ISPConfig API call failed', [
                'method' => $method,
                'server' => $this->serverType,
                'error' => $e->getMessage(),
            ]);
            throw new Exception('ISPConfig API call failed: '.$e->getMessage());
        }
    }

    public function __destruct()
    {
        $this->disconnect();
    }

    /**
     * Récupère tous les clients
     */
    public function getAllClients(): array
    {
        return Cache::remember(
            'ispconfig.mail.clients.all',
            config('services.ispconfig.cache_ttl'),
            fn () => $this->call('client_get_all')
        );
    }

    public function getClientData(string $clientId): array
    {
        return $this->call('client_get', ['client_id' => $clientId]);
    }
}