// consumer
package main

import (
	"fmt"
	//	"github.com/garyburd/redigo/redis"
	//	"gopkg.in/mgo.v2/bson"
	"log"
	"strconv"
	"strings"
	"time"
)

type consumed struct {
	user   string
	error  bool
	logins []string
	empty  bool
}

func contains(s []Ips, e string) bool {
	for _, a := range s {
		if a.Ip == e {
			return true
		}
	}
	return false
}

func consumer(id int) {

	for {

		prod := <-consume[id]

		cons := consumed{
			user:   prod.user,
			logins: make([]string, 0),
			error:  false,
			empty:  true,
		}

		start := time.Now()
		for i := range prod.logins {
			login := prod.logins[i]
			// se la riga di login e' vuota
			if login == "" {
				log.Println("Login empty: ", prod.user)
				cons.logins = append(cons.logins, login)
				continue
			}
			sval := strings.Split(login, ":")
			// se il formato della riga di login non e' corretto
			if sval[1] == "" {
				log.Println("Login format error: ", login, prod.user)
				cons.logins = append(cons.logins, login)
				continue
			}
			// se il timestamp della riga di login non e' corretto
			date, err := strconv.ParseInt(sval[1], 10, 64)
			if err != nil {
				log.Printf("Date Error: %+v - %s - %s\n", err, prod.user, login)
				cons.logins = append(cons.logins, login)
				continue
			}
			ml := MongoLogin{
				User:     prod.user,
				Protocol: sval[0],
				Ip:       sval[2],
				Date:     time.Unix(date, 0),
				Insert:   time.Now(),
			}

			if opts.Month != ml.Date.Format("0601") {
				lt := dbs.mdb.DB("lastlogin").C(fmt.Sprintf("lastlogin_%s", ml.Date.Format("0601")))
				err = lt.Insert(ml)
				if err != nil {
					log.Printf("Insert error: %+v - %s - %s\n", err, cons.user, lt.FullName)
					count.AddErr()
					cons.error = true
					continue
				}
				if opts.Debug {
					log.Printf("%s - %+v\n", lt.FullName, ml)
				}
			} else {
				// inserisce il login su Mongodb
				err = dbs.ll.Insert(ml)
				if err != nil {
					log.Printf("Insert error: %+v - %s\n", err, cons.user)
					count.AddErr()
					cons.error = true
					continue
				}
				if opts.Debug {
					log.Printf("%+v\n", ml)
				}
			}

			cons.logins = append(cons.logins, login)
		}

		count.AddLog(len(prod.logins))

		if opts.MaxLogins > -1 && len(prod.logins) < opts.MaxLogins {
			cons.empty = true
		}

		if opts.Debug {
			fmt.Printf("CONS (%d): user=%s logins=%d in %v - active=%d\n", id, prod.user, len(prod.logins), time.Since(start), dbs.rdb.ActiveCount())
		}

		remove[id] <- cons
	}
}