package main

/**
招标信息判重
**/

import (
	"encoding/json"
	"flag"
	"log"
	mu "mfw/util"
	"net"
	"qfw/util"
	"qfw/util/mongodb"
	"regexp"
	"sync"
	"time"
)

var (
	Sysconfig    map[string]interface{} //配置文件
	mconf        map[string]interface{} //mongodb配置信息
	mgo          *mongodb.MongodbSim    //mongodb操作对象
	extract      string
	bidding      string
	udpclient    mu.UdpClient             //udp对象
	nextNode     []map[string]interface{} //下节点数组
	dupdays      = 3                      //初始化判重范围
	DM           *datamap                 //判重数据
	FilterRegexp = regexp.MustCompile("^_$")
	lastid       = ""
)

func init() {
	flag.StringVar(&lastid, "id", "", "最后加载id") //以小于等于此id开始加载最近几天的数据
	flag.Parse()
	util.ReadConfig(&Sysconfig)
	nextNode = util.ObjArrToMapArr(Sysconfig["nextNode"].([]interface{}))
	mconf = Sysconfig["mongodb"].(map[string]interface{})
	mgo = &mongodb.MongodbSim{
		MongodbAddr: mconf["addr"].(string),
		DbName:      mconf["db"].(string),
		Size:        util.IntAllDef(mconf["pool"], 10),
	}
	extract = mconf["extract"].(string)
	//bidding = mconf["bidding"].(string)
	mgo.InitPool()
	dupdays = util.IntAllDef(Sysconfig["dupdays"], 3)
	//加载数据
	DM = NewDatamap(dupdays, lastid)
	sw := util.ObjToString(Sysconfig["specialwords"])
	if sw != "" {
		FilterRegexp = regexp.MustCompile(sw)
	}
}

func main() {
	go checkMapJob()
	updport := Sysconfig["udpport"].(string)
	udpclient = mu.UdpClient{Local: updport, BufSize: 1024}
	udpclient.Listen(processUdpMsg)
	log.Println("Udp服务监听", updport)
	time.Sleep(99999 * time.Hour)
}

func processUdpMsg(act byte, data []byte, ra *net.UDPAddr) {
	switch act {
	case mu.OP_TYPE_DATA: //上个节点的数据
		//从表中开始处理
		var mapInfo map[string]interface{}
		err := json.Unmarshal(data, &mapInfo)
		log.Println("err:", err, "mapInfo:", mapInfo)
		if err != nil {
			udpclient.WriteUdp([]byte("err:"+err.Error()), mu.OP_NOOP, ra)
		} else if mapInfo != nil {
			go task(data, mapInfo)
			key, _ := mapInfo["key"].(string)
			if key == "" {
				key = "udpok"
			}
			udpclient.WriteUdp([]byte(key), mu.OP_NOOP, ra)
		}
	case mu.OP_NOOP: //下个节点回应
		ok := string(data)
		if ok != "" {
			log.Println("ok:", ok)
			udptaskmap.Delete(ok)
		}
	}
}

//开始判重程序
func task(data []byte, mapInfo map[string]interface{}) {
	defer util.Catch()
	//区间id
	sess := mgo.GetMgoConn()
	defer mgo.DestoryMongoConn(sess)
	q := map[string]interface{}{
		"_id": map[string]interface{}{
			"$gt":  util.StringTOBsonId(mapInfo["gtid"].(string)),
			"$lte": util.StringTOBsonId(mapInfo["lteid"].(string)),
		},
	}
	it := sess.DB(mgo.DbName).C(extract).Find(&q).Iter()
	updateExtract := [][]map[string]interface{}{}
	pool := make(chan bool, 16)
	wg := &sync.WaitGroup{}
	mapLock := &sync.Mutex{}
	n, repeateN := 0, 0
	for tmp := make(map[string]interface{}); it.Next(&tmp); n++ {
		if util.ObjToString(tmp["subtype"]) == "变更" {
			//go IS.Add("update")
			continue
		}
		if n%10000 == 0 {
			log.Println("current:", n, tmp["_id"])
		}
		pool <- true
		wg.Add(1)
		go func(tmp map[string]interface{}) {
			defer func() {
				<-pool
				wg.Done()
			}()
			info := NewInfo(tmp)
			b, id := DM.check(info)
			if b { //有重复,生成更新语句，更新抽取和更新招标
				//IS.Add("repeat")
				repeateN++
				mapLock.Lock()
				updateExtract = append(updateExtract, []map[string]interface{}{
					map[string]interface{}{
						"_id": tmp["_id"],
					},
					map[string]interface{}{
						"$set": map[string]interface{}{
							"repeat":   1,
							"repeatid": id,
						},
					},
				})
				//				updateBidding = append(updateBidding, []map[string]interface{}{
				//					map[string]interface{}{
				//						"_id": tmp["_id"],
				//					},
				//					map[string]interface{}{
				//						"$set": map[string]interface{}{
				//							"extracttype": -1,
				//							"repeatid":    id,
				//						},
				//					},
				//				})
				if len(updateExtract) > 500 {
					mgo.UpdateBulk(extract, updateExtract...)
					//mgo.UpdateBulk(bidding, updateBidding...)
					//updateExtract, updateBidding = [][]map[string]interface{}{}, [][]map[string]interface{}{}
					updateExtract = [][]map[string]interface{}{}
				}
				mapLock.Unlock()
			} else {
				//IS.Add("new")
			}
		}(tmp)
		tmp = make(map[string]interface{})
	}
	wg.Wait()
	if len(updateExtract) > 0 {
		mgo.UpdateBulk(extract, updateExtract...)
		//mgo.UpdateBulk(bidding, updateBidding...)
	}
	log.Println("this task over.", n, "repeateN:", repeateN, mapInfo["stop"])
	//任务完成，开始发送广播通知下面节点
	if n > repeateN && mapInfo["stop"] == nil {
		for _, to := range nextNode {
			sid, _ := mapInfo["gtid"].(string)
			eid, _ := mapInfo["lteid"].(string)
			key := sid + "-" + eid + "-" + util.ObjToString(to["stype"])
			by, _ := json.Marshal(map[string]interface{}{
				"gtid":  sid,
				"lteid": eid,
				"stype": util.ObjToString(to["stype"]),
				"key":   key,
			})
			addr := &net.UDPAddr{
				IP:   net.ParseIP(to["addr"].(string)),
				Port: util.IntAll(to["port"]),
			}
			node := &udpNode{by, addr, time.Now().Unix(), 0}
			udptaskmap.Store(key, node)
			udpclient.WriteUdp(by, mu.OP_TYPE_DATA, addr)
		}
	}
}