// llmongo.go
package main

import (
	"flag"
	"fmt"
	"log"
	"os"
	"regexp"
	"sync"
	"time"
)

const (
	_Version  = "v2.2.2"
	_Producer = 0
	_Consumer = 1
)

var (
	loop bool

	done      chan bool
	consume   chan []userQuota
	mget_chan chan []string

	counter chan Counterchan

	wg sync.WaitGroup

	status int

	count *Counter

	start time.Time
)

func main() {
	flag.Usage = usage
	flag.Parse()

	if opts.Version {
		fmt.Println(os.Args[0], _Version)
		os.Exit(0)
	}

	setTerm()

	fs, err := os.OpenFile(opts.LogFile, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
	if err != nil {
		fmt.Println("Log file error: ", err.Error())
		os.Exit(-4)
	}
	defer fs.Close()

	log.SetOutput(fs)

	start = time.Now()
	fmt.Printf("Start: %+v\n\t%+v\n", opts, dbs)
	log.Printf("Start: %+v\n\t%+v\n", opts, dbs)

	if dbs.MongoURI == "" || dbs.RedisURI == "" || dbs.Database == "" || dbs.Collection == "" {
		flag.Usage()
		os.Exit(-1)
	}

	if opts.Influxdb != "" {
		re, _ := regexp.Compile(`(\w+)@(\d+.\d+.\d+.\d+:\d+)`)
		if re.MatchString(opts.Influxdb) {
			match := re.FindStringSubmatch(opts.Influxdb)
			infhost = match[1]
			infdb = match[2]
		} else {
			opts.Influxdb = ""
		}
	}

	dbs.poolRedis()
	defer dbs.rdb.Close()

	dbs.connectMongo()
	defer dbs.mdb.Close()

	if opts.Timeout > 0 {
		time.AfterFunc(opts.Timeout, exit)
	}

	count = NewCounter()

	consume = make(chan []userQuota, opts.Queue)
	mget_chan = make(chan []string, opts.Queue*10)
	loop = true
	done = make(chan bool)
	counter = make(chan Counterchan)

	go count.Run()
	go producer()
	for i := 0; i < opts.Queue*10; i++ {
		go mget()
	}
	for i := 0; i < opts.Queue; i++ {
		go consumer()
	}

	<-done
	fmt.Printf("Done\n")
	close(done)

	fmt.Println("Waiting WG")
	wg.Wait()

	count.SetTime(time.Since(start))

	fmt.Printf("Stop %v - user: %d - Storage: %d\n\r", count.GetTime(), count.GetUser(), count.GetStorage())
	log.Printf("Stop %v - user: %d - Storage: %d\n\r", count.GetTime(), count.GetUser(), count.GetStorage())

	if opts.Influxdb != "" {
		writeStats()
	}
}