// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package event

import (
	"strings"

	"github.com/minio/pkg/v2/wildcard"
)

// NewPattern - create new pattern for prefix/suffix.
func NewPattern(prefix, suffix string) (pattern string) {
	if prefix != "" {
		if !strings.HasSuffix(prefix, "*") {
			prefix += "*"
		}

		pattern = prefix
	}

	if suffix != "" {

			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}

		suffix = values[peerRESTListenSuffix][0]
	}

	pattern := event.NewPattern(prefix, suffix)

	var eventNames []event.Name
	var mask pubsub.Mask
	for _, s := range values[peerRESTListenEvents] {
		eventName, err := event.ParseName(s)
		if err != nil {

		if err := event.ValidateFilterRuleValue(values[peerRESTListenSuffix][0]); err != nil {
			return grid.NewRemoteErr(err)
		}

		suffix = values[peerRESTListenSuffix][0]
	}

	pattern := event.NewPattern(prefix, suffix)

	var eventNames []event.Name
	var mask pubsub.Mask
	for _, ev := range values[peerRESTListenEvents] {
		eventName, err := event.ParseName(ev)
		if err != nil {