/*
 * Copyright 2020-present Open Networking Foundation

 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package l2oam

import (
	"github.com/google/gopacket"
)

// GenerateEncryptionMode generates "Encryption Mode" message
func GenerateEncryptionMode(PkgType string, index int) gopacket.SerializableLayer {

	if PkgType == OnuPkgTypeA {
		//TypeA
		if index == 1 {
			data := &TibitFrame{
				Data: []byte{
					0x03, 0x00, 0x50, 0xfe, 0x00, 0x10, 0x00, 0x03,
					0xd6, 0x00, 0x02, 0x01, 0x00, 0xd7, 0x04, 0x01,
					0x02, 0x01, 0x2c, 0x00, 0x00,
				},
			}
			return data
		} else if index == 2 {
			data := &TibitFrame{
				Data: []byte{
					0x03, 0x00, 0x50, 0xfe, 0x00, 0x10, 0x00, 0x03,
					0xd6, 0x00, 0x02, 0x01, 0x00, 0xd7, 0x04, 0x02,
					0x01, 0x02, 0x00, 0x00,
				},
			}
			return data
		}
	} else if PkgType == OnuPkgTypeB {
		//TypeB
		if index == 1 {
			data := &TibitFrame{
				Data: []byte{
					0x03, 0x00, 0x50, 0xfe, 0x90, 0x82, 0x60, 0x03,
					0xca, 0xfe, 0x00, 0xb7, 0x00, 0x01, 0x01, 0x02,
				},
			}
			return data
		}
	}

	return nil
}