package handler

import (
	"encoding/json"
	"fmt"
	"github.com/rabbitmq/amqp091-go"
	"os"
	"samba/pkg/ksync"
	"samba/pkg/log"
	"samba/pkg/rmq"
	"samba/pkg/servername"
	"samba/pkg/service"
	"samba/proto"
	. "samba/server/cacheta/service"
	"samba/util/playtype"

	. "samba/server/game/baseroom"
	"samba/util/config"
	"samba/util/routingKey"
	"samba/util/util"
	"time"
)

var MsgHandler = map[string]MessageHandler{
	proto.ReqCachetaReconnectId: onReconnect,
	proto.NtfUserOfflineId:      onUserOffline,
	proto.ReqMatchRoomId:        onMatchRoom,
	proto.ReqLeaveRoomId:        onLeaveRoom,
	proto.ReqEnterRoomId:        onEnterRoom,
	proto.ReqSetPokersId:        onSetPokers,
	proto.NtfUpdateConfigId:     onUpdateConfig,
	proto.NtfNewServiceId:       onUpdateService,
	proto.ReqDisbandRoomId:      onDisbandRoom,
}

type MessageHandler func(d *amqp091.Delivery, msg map[string]interface{})

func RegisterMsgHandler(s service.IService) bool {
	//if err := s.QueueBind(QueueName(), routingKey.UserOnline, util.Topic(servername.User)); err != nil {
	//	log.Error(err.Error())
	//	return false
	//}
	if err := s.QueueBind(QueueName(), routingKey.UserOffline, util.Topic(servername.User)); err != nil {
		log.Error(err.Error())
		return false
	}

	if err := s.QueueBind(QueueName(), QueueName(), util.Direct(servername.Cacheta)); err != nil {
		log.Error(err.Error())
		return false
	}
	return true
}

func handlerMessage(_ service.IService, d *amqp091.Delivery) {
	var msg map[string]interface{}
	if err := json.Unmarshal(d.Body, &msg); err != nil {
		log.Error(fmt.Sprintf("consume message error: %v.body:%v", err, string(d.Body)))
		return
	}
	msgId, roomId, uid, _ := ParseMsg(msg)
	if fn, ok := MsgHandler[msgId]; ok && fn != nil {
		fn(d, msg)
	} else {
		rm := RoomMgr.Find(roomId)
		if rm != nil {
			log.Debug(fmt.Sprintf("player:%v recv msgId:%v msg:%v", uid, msgId, string(d.Body)))
			rm.OnMessage(msgId, msg)
		} else {
			log.Error(fmt.Sprintf("room id:%v not exist.msgId:%v", roomId, msgId))
		}
	}
}

func InitService() {
	RoomMgr.Init(&CathetaService)
	opts := []service.Option{
		service.SetOnInit(func(s service.IService) bool {
			if err := s.ExchangeDeclare(util.Direct(servername.Cacheta), rmq.ExchangeDirect); err != nil {
				log.Error(err.Error())
				return false
			}
			if err := s.ExchangeDeclare(util.Topic(servername.Cacheta), rmq.ExchangeTopic); err != nil {
				log.Error(err.Error())
				return false
			}
			if err := s.QueueDeclare(QueueName()); err != nil {
				log.Error(err.Error())
			}
			if !RegisterMsgHandler(s) {
				return false
			}
			if err := s.Consume(QueueName()); err != nil {
				log.Error(err.Error())
				return false
			}
			log.Info(fmt.Sprintf("service:%v init.is club:%v", s.Name(), config.Cmd.IsClub > 0))
			return true
		}),
		service.SetOnNotifyStop(func(s service.IService) {
			RoomMgr.NotifyStop()
		}),
		service.SetCanStop(func(s service.IService) bool {
			//log.Info(fmt.Sprintf("room count is zero:%v", RoomMgr.IsStopped()))
			return RoomMgr.IsStopped()
		}),
		service.SetOnStop(func(s service.IService) {
			if err := s.ConsumeDelete(); err != nil {
				log.Error(err.Error())
			} else {
				log.Info(fmt.Sprintf("delete consume channle"))
			}
			if err := s.QueueDelete(QueueName()); err != nil {
				log.Error(err.Error())
			} else {
				log.Info(fmt.Sprintf("delete queue:%v", QueueName()))
			}
			log.Info(fmt.Sprintf("service:%v stop", s.Name()))
		}),
	}
	CathetaService.IService = service.NewService(servername.Cacheta, QueueName(), config.RabbitmqUrl(), handlerMessage, opts...)

	cfg := &config.Cmd
	newServiceNtf := &proto.NtfNewService{Type: CathetaService.Type(), RouterKey: QueueName(),
		RoomMaxId: cfg.MaxRoomId, RoomMinId: cfg.MinRoomId, IsClub: cfg.IsClub > 0}
	newServiceNtf.PlayType = append(newServiceNtf.PlayType, int(playtype.PtCacheta))
	SendMsg(util.Direct(servername.Hall), routingKey.Hall, 0, "", 0, proto.NtfNewServiceId, newServiceNtf)
	logCurrentRoomCount(CathetaService)

	//stub.Rooms[10061].MinPlayers = 2
}

func StopService() {
	CathetaService.NotifyStop()
	CathetaService.WaitStop()
}

func logCurrentRoomCount(s service.IService) {
	log.Info(fmt.Sprintf("current room num:%v", RoomMgr.Count()))
	if CathetaService.AutoWaitStop {
		RoomMgr.DelEmptyRoom()
	}
	if CathetaService.AutoWaitStop && RoomMgr.Count() == 0 {
		log.Info("旧服务，且房间数为0，自动关闭")
		ksync.GoSafe(func() {
			StopService()
			log.Info("auto exit, initiating shutdown...")
			os.Exit(0)
		}, nil)

	}
	s.NewTimer(15*time.Minute, func() { logCurrentRoomCount(s) }, false)
}