package main

import (
	"encoding/json"
	"fmt"
	du "jy/util"
	"log"
	mu "mfw/util"
	"net"
	"qfw/util"
	"qfw/util/mongodb"
	"qfw/util/redis"
	"sync"
	"time"

	"gopkg.in/mgo.v2/bson"
)

const (
	REDISIDS    = "ids"
	REDISKEYS   = "keys"
	INFOID      = "info"
	INFOTIMEOUT = 86400 * 30
)

var (
	Sysconfig                map[string]interface{}
	MQFW                     mongodb.MongodbSim
	extractColl, projectColl string
	lenprojectname           int
	udpclient                mu.UdpClient             //udp对象
	nextNode                 []map[string]interface{} //下节点数组
	toaddr                   = []*net.UDPAddr{}       //下节点对象
	MultiThread              chan bool
	SingleThread             = make(chan bool, 1) //udp调用
	IdLock                   = &sync.Mutex{}
	PncbMayLock              = &sync.Mutex{}
	MegerFieldsLen           *MegerFields
	//三组lock,对应的（PNKey）key为项目名称,值对应的是此项目名称对应的项目id数组
	PNKey, PCKey, PBKey          = NewKeyMap(), NewKeyMap(), NewKeyMap()
	PNKeyMap, PCKeyMap, PBKeyMap = sync.Map{}, sync.Map{}, sync.Map{}
)

type MegerFields struct {
	ProjectNamelen int
	ProjectCodelen int
}

type KeyMap struct {
	Lock sync.Mutex
	Map  map[string]*Key
}

type Key struct {
	Arr  *[]string
	Lock *sync.Mutex
}

func NewKeyMap() *KeyMap {
	return &KeyMap{
		Map: map[string]*Key{},
	}
}

func init() {
	initarea()
	du.SetConsole(false)
	du.SetRollingDaily("./", "project.log")
	du.SetLevel(du.DEBUG)
	util.ReadConfig(&Sysconfig)
	MultiThread = make(chan bool, util.IntAllDef(Sysconfig["thread"], 200))
	lenprojectname = util.IntAllDef(Sysconfig["lenprojectname"], 20) - 1
	megerfields, _ := Sysconfig["megerfields"].(map[string]interface{})
	MegerFieldsLen = &MegerFields{
		ProjectNamelen: util.IntAllDef(megerfields["projectlen"], 5),
		ProjectCodelen: util.IntAllDef(megerfields["projectcodelen"], 8),
	}
	redis.InitRedisBySize(Sysconfig["redisaddrs"].(string), util.IntAllDef(Sysconfig["redisPoolSize"], 100), 30, 300)
	MQFW = mongodb.MongodbSim{
		MongodbAddr: Sysconfig["mongodbServers"].(string),
		Size:        util.IntAll(Sysconfig["mongodbPoolSize"]),
		DbName:      Sysconfig["mongodbName"].(string),
	}
	MQFW.InitPool()
	extractColl = Sysconfig["extractColl"].(string)
	projectColl = Sysconfig["projectColl"].(string)
	nextNode = util.ObjArrToMapArr(Sysconfig["nextNode"].([]interface{}))
	for _, m := range nextNode {
		toaddr = append(toaddr, &net.UDPAddr{
			IP:   net.ParseIP(m["addr"].(string)),
			Port: util.IntAll(m["port"]),
		})
	}
}

func main() {
	go checkMapJob()
	//先加载所有锁
	log.Println("loading data from redis...")
	n := 0
	km := []*KeyMap{PNKey, PCKey, PBKey}
	for pos, key := range []string{"pn_*", "pc_*", "pb_*"} {
		res := redis.GetKeysByPattern(REDISKEYS, key)
		pk := km[pos]
		if res != nil { //一次500条
			num := 0
			arr := []string{}
			for _, v := range res {
				n++
				num++
				k := string(v.([]uint8))
				arr = append(arr, k) //根据正则找到key
				if num == 500 {
					num = 0
					ret := redis.Mget(REDISKEYS, arr) //根据key批量取内容
					if len(ret) > 0 {
						for k1, v1 := range ret {
							if v1 != nil {
								var a1 []string
								json.Unmarshal(v1.([]uint8), &a1)
								pk.Map[arr[k1]] = &Key{&a1, &sync.Mutex{}} //pn_项目名称 id数组
							}
						}
					}
					arr = []string{}
				}
			}
			if num > 0 {
				ret := redis.Mget(REDISKEYS, arr)
				if len(ret) > 0 {
					for k1, v1 := range ret {
						if v1 != nil {
							var a1 []string
							json.Unmarshal(v1.([]uint8), &a1)
							pk.Map[arr[k1]] = &Key{&a1, &sync.Mutex{}}
						}
					}
				}
				arr = []string{}
			}
		}
	}
	log.Println("load data from redis finished.", n)
	//清理redis
	//clearedis()
	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
		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 {
			key, _ := mapInfo["key"].(string)
			if key == "" {
				key = "udpok"
			}
			go udpclient.WriteUdp([]byte(key), mu.OP_NOOP, ra)
			SingleThread <- true
			go task(data, mapInfo)
		}
	case mu.OP_NOOP: //下个节点回应
		ok := string(data)
		if ok != "" {
			log.Println("ok:", ok)
			udptaskmap.Delete(ok)
		}
	}
}

func task(data []byte, mapInfo map[string]interface{}) {
	defer func() {
		<-SingleThread
	}()
	defer util.Catch()
	q, _ := mapInfo["query"].(map[string]interface{})
	if q == nil {
		q = map[string]interface{}{
			"_id": map[string]interface{}{
				"$gt":  util.StringTOBsonId(mapInfo["gtid"].(string)),
				"$lte": util.StringTOBsonId(mapInfo["lteid"].(string)),
			},
		}
	}
	sess := MQFW.GetMgoConn()
	defer MQFW.DestoryMongoConn(sess)
	//数据正序处理
	it := sess.DB(MQFW.DbName).C(extractColl).Find(&q).Iter() //.Sort("publishtime")
	count, index := 0, 0
	pici := time.Now().Unix()
	wg := &sync.WaitGroup{}
	idmap := &sync.Map{}
	for tmp := make(map[string]interface{}); it.Next(tmp); {
		if index%10000 == 0 {
			log.Println(index, tmp["_id"])
		}
		index++
		if util.IntAll(tmp["repeat"]) == 1 {
			tmp = make(map[string]interface{})
			continue
		}
		count++
		thisid := util.BsonIdToSId(tmp["_id"])
		b, err := redis.Exists(INFOID, thisid)
		if err != nil {
			log.Println("checkid err", err.Error())
		}
		if !b {
			wg.Add(1)
			idmap.Store(tmp["_id"], true) //增加判重逻辑,重复id不再生成
			MultiThread <- true
			go func(tmp map[string]interface{}, thisid string) {
				defer func() {
					<-MultiThread
					wg.Done()
					idmap.Delete(tmp["_id"])
				}()
				info := PreThisInfo(tmp)
				if info != nil {
					lockPNCBMap(info)
					startProjectMerge(info, tmp)
					redis.Put(INFOID, thisid, 1, INFOTIMEOUT)
					unlockPNCBMap(info)
				}
			}(tmp, thisid)
		}
		if count%500 == 0 {
			log.Println("count:", count)
		}
		tmp = make(map[string]interface{})
	}
	for {
		time.Sleep(5 * time.Second)
		n := 0
		idmap.Range(func(key interface{}, v interface{}) bool {
			n++
			log.Println(key, v)
			return true
		})
		if n < 1 {
			break
		}
	}
	wg.Wait()
	log.Println("task over...", index, count)
	//发送udp,调用生成项目索引
	mapInfo["stype"] = "project"
	if mapInfo["stop"] == nil && len(toaddr) > 0 {
		for n, to := range toaddr {
			key := fmt.Sprintf("%d-%s-%d", pici, "project", n)
			mapInfo["query"] = map[string]interface{}{
				"pici": pici,
			}
			mapInfo["key"] = key
			datas, _ := json.Marshal(mapInfo)
			node := &udpNode{datas, to, time.Now().Unix(), 0}
			udptaskmap.Store(key, node)
			udpclient.WriteUdp(datas, mu.OP_TYPE_DATA, to)
		}
	}
}

func NewPushInfo(tmp map[string]interface{}) bson.M {
	return bson.M{
		"comeintime":  tmp["comeintime"],
		"publishtime": tmp["publishtime"],
		"title":       tmp["title"],
		"toptype":     tmp["toptype"],
		"subtype":     tmp["subtype"],
		"infoformat":  tmp["infoformat"],
		"infoid":      util.BsonIdToSId(tmp["_id"]),
		"href":        tmp["href"],
		"area":        tmp["area"],
		"city":        tmp["city"],

		"cresult": tmp["cresult"],
		"score":   tmp["score"],
	}
}