environment.go

package adyen

import (
	"errors"
	"fmt"
)

// Environment allows clients to be configured for Testing
// and Production environments.
type Environment struct {
	apiURL      string
	clientURL   string
	hppURL      string
	checkoutURL string
}

var (
	errProdEnvValidation = errors.New("production requires random and company name fields as per https://docs.adyen.com/developers/api-reference/live-endpoints")
)

// Testing - instance of testing environment
var Testing = Environment{
	apiURL:      "https://pal-test.adyen.com/pal/servlet",
	clientURL:   "https://test.adyen.com/hpp/cse/js/",
	hppURL:      "https://test.adyen.com/hpp/",
	checkoutURL: "https://checkout-test.adyen.com/services/PaymentSetupAndVerification",
}

// Production - instance of production environment
var Production = Environment{
	apiURL:      "https://%s-%s-pal-live.adyenpayments.com/pal/servlet",
	clientURL:   "https://live.adyen.com/hpp/cse/js/",
	hppURL:      "https://live.adyen.com/hpp/",
	checkoutURL: "https://%s-%s-checkout-live.adyenpayments.com/services/PaymentSetupAndVerification",
}

// TestEnvironment returns test environment configuration.
func TestEnvironment() (e Environment) {
	return Testing
}

// ProductionEnvironment returns production environment configuration.
func ProductionEnvironment(random, companyName string) (e Environment, err error) {
	if random == "" || companyName == "" {
		err = errProdEnvValidation
		return
	}
	e = Production
	e.apiURL = fmt.Sprintf(e.apiURL, random, companyName)
	e.checkoutURL = fmt.Sprintf(e.checkoutURL, random, companyName)
	return e, nil
}

// BaseURL returns api base url
func (e Environment) BaseURL(service string, version string) string {
	return e.apiURL + "/" + service + "/" + version
}

// ClientURL returns Adyen Client URL to load external scripts
func (e Environment) ClientURL(clientID string) string {
	return e.clientURL + clientID + ".shtml"
}

// HppURL returns Adyen HPP url to execute Hosted Payment Paged API requests
func (e Environment) HppURL(request string) string {
	return e.hppURL + request + ".shtml"
}

// CheckoutURL returns the full URL to a Checkout API endpoint.
func (e Environment) CheckoutURL(service string, version string) string {
	return e.checkoutURL + "/" + version + "/" + service
}