// Licensed to the LF AI & Data foundation 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 mqclient

import (
	"fmt"
	"testing"

	"github.com/apache/pulsar-client-go/pulsar"
	"github.com/stretchr/testify/assert"
)

func TestPulsarConsumer_Subscription(t *testing.T) {
	pulsarAddress, _ := Params.Load("_PulsarAddress")
	pc, err := GetPulsarClientInstance(pulsar.ClientOptions{URL: pulsarAddress})
	assert.Nil(t, err)
	defer pc.Close()

	receiveChannel := make(chan pulsar.ConsumerMessage, 100)
	consumer, err := pc.client.Subscribe(pulsar.ConsumerOptions{
		Topic:                       "Topic",
		SubscriptionName:            "SubName",
		Type:                        pulsar.SubscriptionType(Exclusive),
		SubscriptionInitialPosition: pulsar.SubscriptionInitialPosition(SubscriptionPositionEarliest),
		MessageChannel:              receiveChannel,
	})
	assert.Nil(t, err)
	assert.NotNil(t, consumer)

	str := consumer.Subscription()
	assert.NotNil(t, str)
}

func Test_PatchEarliestMessageID(t *testing.T) {
	mid := pulsar.EarliestMessageID()

	// String() -> ledgerID:entryID:partitionIdx
	assert.Equal(t, "-1:-1:-1", fmt.Sprintf("%v", mid))

	patchEarliestMessageID(&mid)

	assert.Equal(t, "-1:-1:0", fmt.Sprintf("%v", mid))
}

func TestPulsarConsumer_Close(t *testing.T) {
	pulsarAddress, _ := Params.Load("_PulsarAddress")
	pc, err := GetPulsarClientInstance(pulsar.ClientOptions{URL: pulsarAddress})
	assert.Nil(t, err)

	receiveChannel := make(chan pulsar.ConsumerMessage, 100)
	consumer, err := pc.client.Subscribe(pulsar.ConsumerOptions{
		Topic:                       "Topic-1",
		SubscriptionName:            "SubName-1",
		Type:                        pulsar.SubscriptionType(Exclusive),
		SubscriptionInitialPosition: pulsar.SubscriptionInitialPosition(SubscriptionPositionEarliest),
		MessageChannel:              receiveChannel,
	})
	assert.Nil(t, err)
	assert.NotNil(t, consumer)

	str := consumer.Subscription()
	assert.NotNil(t, str)

	pulsarConsumer := &PulsarConsumer{c: consumer, closeCh: make(chan struct{})}
	pulsarConsumer.Close()

	// test double close
	pulsarConsumer.Close()
}
