package msg_transfer

import (
	"dcg/config"
	"dcg/game/manager"
	pbCommon "dcg/game/pb/common"
	pbMq "dcg/game/pb/mq"
	"dcg/game/svc"
	kfk "dcg/pkg/kafka"
	"git.noahlan.cn/northlan/ntools-go/kafka"
	"git.noahlan.cn/northlan/ntools-go/logger"
	"github.com/Shopify/sarama"
	"github.com/golang/protobuf/proto"
)

type RewardTransferHandler struct {
	svcCtx        *svc.ServiceContext
	msgHandle     map[string]kafkaMsgHandlerFunc
	ConsumerGroup *kafka.ConsumerGroup
}

func (h *RewardTransferHandler) Init(svcCtx *svc.ServiceContext) {
	h.svcCtx = svcCtx
	cfg := config.Config.Kafka.RewardPool
	h.msgHandle = make(map[string]kafkaMsgHandlerFunc)
	h.msgHandle[cfg.Topic] = h.handleTopic

	var err error
	h.ConsumerGroup, err = kafka.NewConsumerGroup(&kafka.ConsumerGroupConfig{
		KafkaVersion:   sarama.V3_1_0_0,
		OffsetsInitial: sarama.OffsetNewest,
		IsReturnErr:    false,
		UnMarshaler:    kfk.ProtobufMarshaler,
	}, cfg.Addr, []string{cfg.Topic}, cfg.ConsumerGroup)

	if err != nil {
		logger.SLog.Error(err)
	}
}

func (h *RewardTransferHandler) handleTopic(data []byte, _ string) {
	// msg proto
	var msgFromMq pbMq.MqRewardPool
	err := proto.Unmarshal(data, &msgFromMq)
	if err != nil {
		logger.SLog.Error("unmarshal msg err", err)
		return
	}
	roomId := manager.GameManager.LiveRoomIdByBattleId(msgFromMq.BattleId)
	room, err := manager.GameManager.RoomManager.RoomByLiveRoomId(roomId)
	if err != nil {
		return
	}
	room.PushToLiveRoom(roomId, "game.rewardPool", &pbCommon.RewardPoolMsg{
		WelfarePool:  msgFromMq.WelfarePool,
		BattleId:     msgFromMq.BattleId,
		InitReward:   msgFromMq.InitReward,
		GiftReward:   msgFromMq.GiftReward,
		BattleReward: msgFromMq.BattleReward,
		OtherReward:  msgFromMq.OtherReward,
		AllRewards:   msgFromMq.AllRewards,
	})
}

func (RewardTransferHandler) Setup(_ sarama.ConsumerGroupSession) error   { return nil }
func (RewardTransferHandler) Cleanup(_ sarama.ConsumerGroupSession) error { return nil }
func (h *RewardTransferHandler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
	for msg := range claim.Messages() {
		//logger.SLog.Infow("kafka get info to mysql", "msgTopic", msg.Topic, "msgPartition", msg.Partition, "msg", string(msg.Value))
		if hFunc, ok := h.msgHandle[msg.Topic]; ok {
			hFunc(msg.Value, string(msg.Key))
		}
		sess.MarkMessage(msg, "")
	}
	return nil
}