<?php
/**
 * Huawei Cloud - Création d'instances ECS
 */

require_once '/opt/wevads/vendor/autoload.php';

use HuaweiCloud\SDK\Core\Auth\BasicCredentials;
use HuaweiCloud\SDK\Core\Http\HttpConfig;
use HuaweiCloud\SDK\Ecs\V2\EcsClient;
use HuaweiCloud\SDK\Ecs\V2\Model\CreateServersRequest;
use HuaweiCloud\SDK\Ecs\V2\Model\CreateServersRequestBody;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServer;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServerNic;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServerSecurityGroup;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServerRootVolume;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServerPublicip;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServerEipExtendParam;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServerEipBandwidth;
use HuaweiCloud\SDK\Ecs\V2\Model\PrePaidServerEip;
use HuaweiCloud\SDK\Ims\V2\ImsClient;
use HuaweiCloud\SDK\Ims\V2\Model\ListImagesRequest;

header('Content-Type: application/json');

$pdo = new PDO("pgsql:host=localhost;dbname=adx_system", "admin", "admin123");

$action = $_GET['action'] ?? $_POST['action'] ?? 'info';
$accountId = $_GET['account_id'] ?? $_POST['account_id'] ?? 1;

// Récupérer le compte
$stmt = $pdo->prepare("SELECT * FROM admin.huawei_accounts WHERE id = ?");
$stmt->execute([$accountId]);
$account = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$account) {
    die(json_encode(['status' => 'error', 'message' => 'Account not found']));
}

// Configuration par défaut pour af-south-1
$defaultConfig = [
    'vpc_id' => '9d13c500-6bd7-488a-b020-e685245e99ab',
    'subnet_id' => '3a3edb6b-1426-4687-9e39-f0295e54b681',
    'security_group_id' => '51d6e9f5-7ebb-447f-94fd-7e5cb0d2f16e',
    'availability_zone' => 'af-south-1a'
];

function createEcsClient($account) {
    $config = HttpConfig::getDefaultConfig();
    $config->setIgnoreSslVerification(true);
    $config->setTimeout(60);
    
    $credentials = new BasicCredentials(
        $account['application_key'],
        $account['secret_key'],
        $account['consumer_key']
    );
    
    return EcsClient::newBuilder()
        ->withHttpConfig($config)
        ->withEndpoint("https://ecs.{$account['region']}.myhuaweicloud.com")
        ->withCredentials($credentials)
        ->build();
}

function createImsClient($account) {
    $config = HttpConfig::getDefaultConfig();
    $config->setIgnoreSslVerification(true);
    $config->setTimeout(30);
    
    $credentials = new BasicCredentials(
        $account['application_key'],
        $account['secret_key'],
        $account['consumer_key']
    );
    
    return ImsClient::newBuilder()
        ->withHttpConfig($config)
        ->withEndpoint("https://ims.{$account['region']}.myhuaweicloud.com")
        ->withCredentials($credentials)
        ->build();
}

try {
    switch ($action) {
        
        case 'list_images':
            $client = createImsClient($account);
            $request = new ListImagesRequest();
            $request->setImagetype('gold');
            $request->setPlatform('Ubuntu');
            $request->setStatus('active');
            $response = $client->listImages($request);
            echo json_encode(['status' => 'success', 'data' => json_decode($response, true)]);
            break;
            
        case 'create':
            // Paramètres de création
            $serverName = $_POST['server_name'] ?? 'wevads-server-' . time();
            $flavorId = $_POST['flavor_id'] ?? 's6.small.1';
            $imageId = $_POST['image_id'] ?? '';
            $password = $_POST['password'] ?? 'Wevads@2026!';
            $count = intval($_POST['count'] ?? 1);
            
            if (empty($imageId)) {
                // Récupérer une image Ubuntu par défaut
                $imsClient = createImsClient($account);
                $imgRequest = new ListImagesRequest();
                $imgRequest->setImagetype('gold');
                $imgRequest->setPlatform('Ubuntu');
                $imgRequest->setStatus('active');
                $imgResponse = $imsClient->listImages($imgRequest);
                $images = json_decode($imgResponse, true);
                
                if (!empty($images['images'])) {
                    $imageId = $images['images'][0]['id'];
                } else {
                    throw new Exception('No Ubuntu image found');
                }
            }
            
            $client = createEcsClient($account);
            
            // Créer la configuration du serveur
            $server = new PrePaidServer();
            $server->setName($serverName);
            $server->setFlavorRef($flavorId);
            $server->setImageRef($imageId);
            $server->setVpcid($defaultConfig['vpc_id']);
            $server->setAvailabilityZone($defaultConfig['availability_zone']);
            $server->setAdminPass($password);
            $server->setCount($count);
            
            // NIC (réseau)
            $nic = new PrePaidServerNic();
            $nic->setSubnetId($defaultConfig['subnet_id']);
            $server->setNics([$nic]);
            
            // Security Group
            $sg = new PrePaidServerSecurityGroup();
            $sg->setId($defaultConfig['security_group_id']);
            $server->setSecurityGroups([$sg]);
            
            // Root Volume (disque)
            $rootVolume = new PrePaidServerRootVolume();
            $rootVolume->setVolumetype('SSD');
            $rootVolume->setSize(40);
            $server->setRootVolume($rootVolume);
            
            // IP Publique (EIP)
            $bandwidth = new PrePaidServerEipBandwidth();
            $bandwidth->setSize(5);
            $bandwidth->setSharetype('PER');
            
            $eip = new PrePaidServerEip();
            $eip->setIptype('5_bgp');
            $eip->setBandwidth($bandwidth);
            
            $publicip = new PrePaidServerPublicip();
            $publicip->setEip($eip);
            $server->setPublicip($publicip);
            
            // Body de la requête
            $body = new CreateServersRequestBody();
            $body->setServer($server);
            
            // Requête
            $request = new CreateServersRequest();
            $request->setBody($body);
            
            $response = $client->createServers($request);
            
            echo json_encode([
                'status' => 'success',
                'message' => "Server creation started",
                'data' => json_decode($response, true)
            ]);
            break;
            
        default:
            echo json_encode([
                'status' => 'info',
                'message' => 'Huawei Instance Creator',
                'account' => $account['name'],
                'region' => $account['region'],
                'config' => $defaultConfig,
                'actions' => ['list_images', 'create']
            ]);
    }
} catch (Exception $e) {
    echo json_encode([
        'status' => 'error',
        'message' => $e->getMessage(),
        'code' => method_exists($e, 'getErrorCode') ? $e->getErrorCode() : $e->getCode()
    ]);
}