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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace MerchantSafeUnipay\SDK;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Monolog\ErrorHandler;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Log\LoggerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Monolog\Logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Monolog\Handler\ErrorLogHandler;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use MerchantSafeUnipay\SDK\Client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use MerchantSafeUnipay\SDK\Exception\InvalidArgumentException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                final class ClientBuilder  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $environment;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    static private $validEnvironments = ['Test', 'Production'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function create()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new static();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setEnvironment(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        string $environment,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        string $merchant,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        string $merchantUser,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        string $merchantPassword  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $environment = ucfirst(strtolower($environment));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!in_array($environment, self::$validEnvironments, true)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $message = sprintf('%s is not valid environment.', $environment); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new InvalidArgumentException($message);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $environmentClass = "\\MerchantSafeUnipay\\SDK\\Environment\\{$environment}"; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->environment = new $environmentClass($merchant, $merchantUser, $merchantPassword);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setLogger($logger = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($logger instanceof LoggerInterface) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->logger = $logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->logger = $this->getLogger();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private function getLogger()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $log = new Logger('MerchantSafeUnipayPhpSDK'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $log->pushHandler(new ErrorLogHandler(ErrorLogHandler::OPERATING_SYSTEM, Logger::WARNING));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $log;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function build()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->logger === null) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->logger = $this->getLogger();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new Client($this->environment, new GuzzleHttp\Client(), $this->logger);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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