package server

import (
	"context"
	"github.com/go-kratos/kratos/v2/log"
	"github.com/tx7do/kratos-transport/transport/kafka"
	"sandc/app/eonline/internal/biz"
	"sandc/app/eonline/internal/conf"
)

// NewKafkaServer new a kafka server.
func NewKafkaServer(c *conf.Queue, uc *biz.EonlineUsecase, logger log.Logger) *kafka.Server {
	opts := []kafka.ServerOption{
		kafka.WithAddress(c.Kafka.Addrs),
		kafka.WithCodec("json"),
		kafka.WithGlobalTracerProvider(),
	}
	if c.Kafka.Username != "" && c.Kafka.Password != "" {
		opts = append(opts, kafka.WithPlainMechanism(c.Kafka.Username, c.Kafka.Password))
	}
	kafkaSrv := kafka.NewServer(opts...)
	err := kafkaSrv.RegisterSubscriber(
		context.Background(), c.Kafka.Topic, c.Kafka.Group, false,
		biz.RegisterExampleHandler(uc.KakfaExampleConsumer),
		biz.ExampleCreator,
	)
	if err != nil {
		log.Fatal(err)
	}
	return kafkaSrv
}