package helpers

import (
	"crypto/md5" // #nosec G501
	"encoding/hex"
	"strings"
)

// GetAwsAccountIdAndClusterName Parses aws accountId and cluster-name from clusterArn
// e.g. if clusterArn is arn:aws:eks:us-west-2:123456789012:cluster/hub-cluster1
// accountId is 123456789012 and clusterName is hub-cluster1
func GetAwsAccountIdAndClusterName(clusterArn string) (string, string) {
	clusterStringParts := strings.Split(clusterArn, ":")
	clusterName := strings.Split(clusterStringParts[5], "/")[1]
	awsAccountId := clusterStringParts[4]
	return awsAccountId, clusterName
}

// GetAwsRegion Parses aws accountId and cluster-name from clusterArn
// e.g. if clusterArn is arn:aws:eks:us-west-2:123456789012:cluster/hub-cluster1
// awsRegion is us-west-2
func GetAwsRegion(clusterArn string) string {
	clusterStringParts := strings.Split(clusterArn, ":")
	return clusterStringParts[3]
}

func Md5HashSuffix(hubClusterAccountId string, hubClusterName string, managedClusterAccountId string, managedClusterName string) string {
	hash := md5.Sum([]byte(strings.Join([]string{hubClusterAccountId, hubClusterName, managedClusterAccountId, managedClusterName}, "#"))) // #nosec G401
	return hex.EncodeToString(hash[:])
}