package main

import (
	"encoding/json"
	"fmt"
	log "github.com/donnie4w/go-logger/logger"
	mu "mfw/util"
	"net"
	qu "qfw/util"
	"strings"
	"sync"
	"time"
)

var (
	nextNode                                           []map[string]interface{}
	udpclient                                          mu.UdpClient
	udplock                                            sync.Mutex
	nextlock                                           sync.Mutex
	extractAction                                      map[string]map[string]interface{}
	heartAction                                        map[string]interface{}
	isAction                                           bool
	isGetask                                           bool
	using_ext_node, standby_ext_node, invalid_ext_node []map[string]interface{}
)

//udp接收
func processUdpMsg(act byte, data []byte, ra *net.UDPAddr) {
	switch act {
	case mu.OP_TYPE_DATA:
		var mapInfo map[string]interface{}
		err := json.Unmarshal(data, &mapInfo)
		if err != nil {
			udpclient.WriteUdp([]byte("err:"+err.Error()), mu.OP_NOOP, ra)
		} else if mapInfo != nil {
			sid, eid := qu.ObjToString(mapInfo["gtid"]), qu.ObjToString(mapInfo["lteid"])
			if sid == "" || eid == "" {
				log.Debug("接收id段异常-err ", "sid=", sid, ",eid=", eid)
			} else {
				lastNodeResponse = time.Now().Unix()
				key := sid + "-" + eid + "-" + qu.ObjToString(mapInfo["stype"])
				go udpclient.WriteUdp([]byte(key), mu.OP_NOOP, ra)

				//插入任务
				udplock.Lock()
				taskList = append(taskList, map[string]interface{}{
					"sid": sid,
					"eid": eid,
				})
				log.Debug("udp收到任务...数量：", len(taskList), "具体任务：", taskList)
				udplock.Unlock()
			}
		}
	case mu.OP_NOOP: //下个节点回应
		//抽取多节点
		nextlock.Lock()
		str := string(data)
		if isAction {
			if strings.Contains(str, "heart_extract") {
				dealWithHeartBackUdpData(strings.ReplaceAll(str, "heart_extract", ""))
			} else {
				dealWithCallBackUdpData(str)
			}
		} else {
			log.Debug("其他节点回应：", str)
			udptaskmap.Delete(str)
		}
		nextlock.Unlock()
	}
}

//处理~新接收抽取段~
func dealWithExtUdpData(sid, eid string) {
	//获取最新-抽取节点状态
	initExtractNode()
	log.Debug("处理当前段落~~~需拆分", len(using_ext_node), "组", sid, "~~", eid)
	if len(using_ext_node) > 0 {
		//拆分段落方法~并附加抽取状态标记~有效期等
		splitArr, lifeArr := splitIdMethod(sid, eid)
		log.Debug("最终分", len(splitArr), "段")
		extractAction = map[string]map[string]interface{}{}
		heartAction = map[string]interface{}{}
		for k, v := range using_ext_node {
			skey := fmt.Sprintf("%s:%d:%s", v["addr"], qu.IntAll(v["port"]), v["stype"])
			extractAction[skey] = map[string]interface{}{
				"life":   lifeArr[k],
				"action": 0,
				"uid":    BsonTOStringId(v["_id"]),
			}
			heartAction[skey] = 0
		}
		extractAction["extract_ids"] = map[string]interface{}{
			"sid": sid,
			"eid": eid,
		}
		sendRunExtractNode(splitArr) //通知抽取
	} else {
		log.Debug("无有效机器抽取...程序停止于此...")
	}
}

//处理回调udp~相关数据
func dealWithCallBackUdpData(str string) {
	if extractAction[str] != nil {
		extractAction[str]["action"] = 1
		log.Debug("抽取节点回应：", str)
		f := validExtractFinish()
		if f {
			sid := qu.ObjToString(extractAction["extract_ids"]["sid"])
			eid := qu.ObjToString(extractAction["extract_ids"]["eid"])
			isAction = false
			lastNodeResponse = time.Now().Unix()
			sendNextNode(sid, eid)
		}
	} else {
		log.Debug("其他节点回应：", str)
		udptaskmap.Delete(str)
	}
}

//处理-心跳回调
func dealWithHeartBackUdpData(str string) {
	if heartAction[str] != nil {
		heartAction[str] = 0
	}
}

//通知所有节点~进行抽取~
func sendRunExtractNode(splitArr []map[string]interface{}) {
	for index, node := range using_ext_node {
		tmp := splitArr[index]
		skey := fmt.Sprintf("%s:%d:%s", node["addr"], qu.IntAll(node["port"]), node["stype"])
		by, _ := json.Marshal(map[string]interface{}{
			"gtid":  qu.ObjToString(tmp["sid"]),
			"lteid": qu.ObjToString(tmp["eid"]),
			"stype": skey,
		})
		udpclient.WriteUdp(by, mu.OP_TYPE_DATA, &net.UDPAddr{
			IP:   net.ParseIP(node["addr"].(string)),
			Port: qu.IntAll(node["port"]),
		})
	}
	isAction = true
	log.Debug("通知抽取udp...等待抽取...回应...")
}

//通知所有抽取节点~结束抽取
func sendStopExtractNode(splitArr []map[string]interface{}) {
	for _, node := range using_ext_node {
		by, _ := json.Marshal(map[string]interface{}{
			"stype": "stop_extract",
		})
		udpclient.WriteUdp(by, mu.OP_TYPE_DATA, &net.UDPAddr{
			IP:   net.ParseIP(node["addr"].(string)),
			Port: qu.IntAll(node["port"]),
		})
	}
}

//发送下阶段节点~
func sendNextNode(sid string, eid string) {
	//更新记录状态
	updateProcessUdpIdsInfo(sid, eid)

	for _, node := range nextNode {
		by, _ := json.Marshal(map[string]interface{}{
			"gtid":  sid,
			"lteid": eid,
			"stype": qu.ObjToString(node["stype"]),
		})
		addr := &net.UDPAddr{
			IP:   net.ParseIP(node["addr"].(string)),
			Port: qu.IntAll(node["port"]),
		}
		udpclient.WriteUdp(by, mu.OP_TYPE_DATA, addr) //发送下节点

		//只监控清洗流程
		if qu.IntAll(node["port"]) == 1799 {
			new_node := &udpNode{by, addr, time.Now().Unix()}
			udptaskmap.Store(string(by), new_node)
		}
	}
	log.Debug("udp通知抽取完成...通知下阶段udp-敏感词,补城市", sid, "~", eid)

	//此段落彻底完毕~继续获取任务
	isGetask = false

}

//发送单节点~
func sendSingleOtherNode(by []byte, addr string, port string) {
	udpclient.WriteUdp(by, mu.OP_TYPE_DATA, &net.UDPAddr{
		IP:   net.ParseIP(addr),
		Port: qu.IntAll(port),
	})
}

//更新流程记录id段落
func updateProcessUdpIdsInfo(sid string, eid string) {
	query := map[string]interface{}{
		"gtid":  sid,
		"lteid": eid,
	}
	log.Debug("开始更新流程段落记录~~", query)
	data := source_mgo.FindOne("bidding_processing_ids", query)
	if len(data) > 0 {
		up_id := BsonTOStringId(data["_id"])
		if up_id != "" {
			update := map[string]interface{}{
				"$set": map[string]interface{}{
					"dataprocess": 3,
					"updatetime":  time.Now().Unix(),
				},
			}
			source_mgo.UpdateById("bidding_processing_ids", up_id, update)
			log.Debug("流程段落记录~~更新完毕~", update)
		}
	} else {
		log.Debug("未查询到记录id段落~", query)
	}
}