package kafka

import (
	"context"
	"log"
	"os"
	"testing"
	"time"
)

func TestClientHeartbeat(t *testing.T) {
	client, topic, shutdown := newLocalClientAndTopic()
	defer shutdown()

	ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
	defer cancel()

	groupID := makeGroupID()

	group, err := NewConsumerGroup(ConsumerGroupConfig{
		ID:                groupID,
		Topics:            []string{topic},
		Brokers:           []string{"localhost:9092"},
		HeartbeatInterval: 2 * time.Second,
		RebalanceTimeout:  2 * time.Second,
		RetentionTime:     time.Hour,
		Logger:            log.New(os.Stdout, "cg-test: ", 0),
	})
	if err != nil {
		t.Fatal(err)
	}
	defer group.Close()

	gen, err := group.Next(ctx)
	if err != nil {
		t.Fatal(err)
	}

	ctx, cancel = context.WithTimeout(context.Background(), time.Second*30)
	defer cancel()

	resp, err := client.Heartbeat(ctx, &HeartbeatRequest{
		GroupID:      groupID,
		GenerationID: gen.ID,
		MemberID:     gen.MemberID,
	})
	if err != nil {
		t.Fatal(err)
	}

	if resp.Error != nil {
		t.Error(resp.Error)
	}
}