package main

import (
	"context"
	"fmt"
	"github.com/spf13/viper"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo/options"
	"jygit.jydev.jianyu360.cn/data_processing/common_utils"
	"jygit.jydev.jianyu360.cn/data_processing/common_utils/mongodb"
	"log"
	"math/rand"
	"time"
)

var (
	MongoStd, MongoBase *mongodb.MongodbSim
	GF                  GlobalConf
	// 更新mongo
	updatePool = make(chan []map[string]interface{}, 5000)

	seed         = 188
	findThread   = 5
	updateThread = 4
	seoidCh      = make(chan int64, 1000)
)

func InitConfig() (err error) {
	viper.SetConfigFile("config.toml") // 指定配置文件路径
	viper.SetConfigName("config")      // 配置文件名称(无扩展名)
	viper.SetConfigType("toml")        // 如果配置文件的名称中没有扩展名，则需要配置此项

	viper.AddConfigPath("./")
	err = viper.ReadInConfig() // 查找并读取配置文件
	if err != nil {            // 处理读取配置文件的错误
		return
	}
	err = viper.Unmarshal(&GF)

	return err

}

func InitMgo() {
	MongoStd = &mongodb.MongodbSim{
		MongodbAddr: GF.MongoStd.Host,
		Size:        GF.MongoStd.Size,
		DbName:      GF.MongoStd.DB,
		UserName:    GF.MongoStd.Username,
		Password:    GF.MongoStd.Password,
		Direct:      GF.MongoStd.Direct,
	}
	MongoStd.InitPool()

	MongoBase = &mongodb.MongodbSim{
		MongodbAddr: GF.MongoBase.Host,
		Size:        GF.MongoBase.Size,
		DbName:      GF.MongoBase.DB,
		UserName:    GF.MongoBase.Username,
		Password:    GF.MongoBase.Password,
		Direct:      GF.MongoBase.Direct,
	}
	MongoBase.InitPool()

}

func main() {
	InitConfig()
	InitMgo()

	id := int64(GF.Env.Autoid) //起始 autoid
	//生成seoid
	//31395235740
	startSeoId := int64(GF.Env.Nseoid) //起始 nseo_id

	rand.Seed(time.Now().UnixNano())
	go func() {
		for {
			startSeoId += int64(rand.Intn(seed) + 2)
			seoidCh <- startSeoId
		}
	}()

	go updateMethod()

	loop := 0
	count := int64(0)

	for loop < 10 {
		//数据处理线程
		dealTh := make(chan bool, 20)
		defer func() {
			for i := 0; i < 20; i++ {
				dealTh <- true
			}
		}()

		sess := MongoBase.GetMgoConn()
		defer MongoBase.DestoryMongoConn(sess)
		ctx, _ := context.WithTimeout(context.Background(), 99999*time.Hour)
		coll := sess.M.C.Database("mixdata").Collection("company_base")
		find := options.Find().SetBatchSize(200).SetSort(bson.D{bson.E{"_id", 1}}).SetProjection(bson.M{"_id": 1, "company_id": 1, "establish_date": 1, "create_time": 1})
		cur, err := coll.Find(ctx, bson.M{"_id": bson.M{"$gt": id}}, find)

		if err != nil {
			log.Println("mgo find err", err.Error())
			return
		}

		for tmp := make(map[string]interface{}); cur.Next(ctx); {
			count++
			if cur != nil {
				cur.Decode(&tmp)
				id = util.Int64All(tmp["_id"])
				dealTh <- true
				go func(tmp map[string]interface{}) {
					defer func() {
						<-dealTh
					}()
					Data(tmp)
				}(tmp)
				tmp = make(map[string]interface{})
			} else {
				cur.Close(ctx)
				break
			}
			if count%10000 == 0 {
				go log.Println("current,id", count, id)
			}
		}
		loop++
	}

	log.Println("over ---- ")
	time.Sleep(100000 * time.Hour)
}

func Data(tmp map[string]interface{}) {
	seoid := <-seoidCh
	ed, _ := tmp["establish_date"].(string)
	pre := ""
	if len(ed) == 10 {
		pre = ed[2:4] + ed[5:7] + ed[8:10]
	} else {
		cd, _ := tmp["create_time"].(string)
		if len(cd) > 9 {
			pre = cd[2:4] + cd[5:7] + cd[8:10]
		}
	}
	updatePool <- []map[string]interface{}{
		{"_id": tmp["company_id"]},
		{"$set": bson.M{
			"nseo_id": fmt.Sprintf("%s%d", pre, seoid),
			"autoid":  tmp["_id"],
		}},
	}
}

// updateMethod 更新MongoDB
func updateMethod() {
	updateSp := make(chan bool, 8)
	arru := make([][]map[string]interface{}, 200)
	indexu := 0
	for {
		select {
		case v := <-updatePool:
			arru[indexu] = v
			indexu++
			if indexu == 200 {
				updateSp <- true
				go func(arru [][]map[string]interface{}) {
					defer func() {
						<-updateSp
					}()
					MongoStd.UpdateBulk("qyxy_std", arru...)

				}(arru)
				arru = make([][]map[string]interface{}, 200)
				indexu = 0
			}
		case <-time.After(1000 * time.Millisecond):
			if indexu > 0 {
				updateSp <- true
				go func(arru [][]map[string]interface{}) {
					defer func() {
						<-updateSp
					}()
					MongoStd.UpdateBulk("qyxy_std", arru...)
				}(arru[:indexu])
				arru = make([][]map[string]interface{}, 200)
				indexu = 0
			}
		}
	}
}