<?php

namespace App\Services\Payment;

/**
 * PaymentContextService
 */
class PaymentContextService
{                    
        
    /**
     * @var PaymentMethodInterface
     */
    private $paymentMethod;
    
    /**
     * __construct
     *
     * @param  mixed $paymentMethod
     * @return void
     */
    public function __construct(string $paymentMethod)
    {     
        $this->paymentMethod = match ($paymentMethod){
            'credit' => new CreditCardService(),
            'apple' => new ApplePayService(),
            'google' => new GooglePayService(),
            default => throw new \InvalidArgumentException("You must pass in either credit, apple or google as the payment method.")
        };
    }
        
    /**
     * pay
     *
     * @return string
     */
    public function pay(){
        return $this->paymentMethod->pay();
    }

}