package main

import (
	"github.com/nats-io/nats.go"
	"go.mongodb.org/mongo-driver/bson"
	"jygit.jydev.jianyu360.cn/BP/jynats/jnats"
	qu "jygit.jydev.jianyu360.cn/data_processing/common_utils"
	"sync"
)

type MsgInfo struct {
	Id       string                 //消息唯一id
	CurrSetp string                 //当前步骤
	NextSetp string                 //下个步骤，特殊流程增加
	IsEnd    int                    //当前流程后结束 1-结束
	Data     map[string]interface{} //数据内容
	Err      string                 //错误信息 有错误会告警并终止流程
	Stime    int64
	Etime    int64
	Extend   Extend
}

type Extend struct {
	Repeat MsgRepeat
}
type MsgRepeat struct {
	SId string //原始id
	RId string //被替换id
}

var FlowTask = &sync.Map{}

type FlowInfo struct {
	msg     *nats.Msg
	msgInfo *MsgInfo
}

// 增量判重使用...
func initRepeatNats() {
	jn = jnats.NewJnats("192.168.3.240:19090")
	jn.SubZip("dataprocess.repeat", func(msg *nats.Msg) {
		msgInfo := &MsgInfo{}
		err := bson.Unmarshal(msg.Data, &msgInfo)
		if err != nil {
			msgInfo.Err = err.Error()
			bs, _ := bson.Marshal(msgInfo)
			msg.Respond(bs)
		} else {
			subtype := qu.ObjToString(msgInfo.Data["subtype"])
			if ch, ok := FlowTask.Load(subtype); ok && ch != nil {
				ch.(chan FlowInfo) <- FlowInfo{msg, msgInfo}
			} else {
				c := make(chan FlowInfo, 3000)
				FlowTask.Store(subtype, c)
				flowsChanRepeat(c)
				c <- FlowInfo{msg, msgInfo}
			}
		}
	})
}

func flowsChanRepeat(ch chan FlowInfo) {
	go func() {
		for {
			select {
			case info := <-ch:
				increaseFlowRepeat(info.msgInfo)
				bs, _ := bson.Marshal(info.msgInfo)
				info.msg.Respond(bs)
			}
		}
	}()
}