// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 command

import (
	"bytes"
	"reflect"
	"testing"

	iggcon "github.com/apache/iggy/foreign/go/contracts"
)

func TestSerialize_TcpCreateStreamRequest(t *testing.T) {
	// Create a sample CreateStream
	request := CreateStream{
		Name: "test_stream",
	}

	// Serialize the request
	serialized, err := request.MarshalBinary()
	if err != nil {
		t.Errorf("Failed to serialize CreateStream: %v", err)
	}
	// Expected serialized bytes
	expectedNameLength := byte(11) // Length of "test_stream"
	expectedPayload := []byte("test_stream")

	// Check the length of the serialized bytes
	if len(serialized) != int(payloadOffset+len(request.Name)) {
		t.Errorf("Serialized length is incorrect. Expected: %d, Got: %d", payloadOffset+len(request.Name), len(serialized))
	}

	// Check the NameLength field
	if serialized[nameLengthOffset] != expectedNameLength {
		t.Errorf("NameLength is incorrect. Expected: %d, Got: %d", expectedNameLength, serialized[nameLengthOffset])
	}

	// Check the Payload field
	if !reflect.DeepEqual(serialized[payloadOffset:], expectedPayload) {
		t.Errorf("Payload is incorrect. Expected: %v, Got: %v", expectedPayload, serialized[payloadOffset:])
	}
}

func TestSerialize_UpdateStream(t *testing.T) {
	streamId, _ := iggcon.NewIdentifier("stream")
	request := UpdateStream{
		StreamId: streamId,
		Name:     "update_stream",
	}

	serialized1, err := request.MarshalBinary()
	if err != nil {
		t.Errorf("Failed to serialize UpdateStream: %v", err)
	}

	expected := []byte{
		0x02,                               // StreamId Kind (StringId)
		0x06,                               // StreamId Length (2)
		0x73, 0x74, 0x72, 0x65, 0x61, 0x6D, // StreamId Value ("stream")
		0x0D,                                                                         // Name Length (13)
		0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x5F, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6D, // Name ("update_stream")
	}

	if !bytes.Equal(serialized1, expected) {
		t.Errorf("Test case 1 failed. \nExpected:\t%v\nGot:\t\t%v", expected, serialized1)
	}
}
