// options
package main

import (
	//	"encoding/json"
	"flag"
	"fmt"
	//	"io/ioutil"
	"log"
	"os"
	"path"
	"path/filepath"
	"time"
)

// Options structure
type Options struct {
	RedisTTL    time.Duration
	CurrentPath string
	Exe         string
	LogFile     string
	ConfigFile  string
	Timeout     time.Duration
	MaxLogins   int
	Debug       bool
	Version     bool
	Concurrent  int
	MaxError    int
	Xymon       string
	Influxdb    string
	Hostname    string
	Month       string
	Pidfile     string
}

var (
	opts = Options{
		RedisTTL:  time.Hour * 11688, // 16 mesi
		LogFile:   "log/llmongo.log",
		MaxLogins: -1,
	}
)

func usage() {
	fmt.Println("Usage: llmongo -m <mongo uri> -r <redis uri> -t <redis keys ttl> -l <logfile> -b <concurrent thread> -T <running ttl> -x <xymon server> -H <hostname> -i <influxdb uri> -v")
	fmt.Println()
	os.Exit(0)
}

func init() {
	var err error
	opts.CurrentPath, err = filepath.Abs(filepath.Dir(os.Args[0]))
	if err != nil {
		log.Fatal(err)
	}

	opts.LogFile = path.Join(opts.CurrentPath, opts.LogFile)
	opts.Pidfile = path.Join(opts.CurrentPath, "run", path.Base(os.Args[0])+".pid")
	opts.Exe = path.Base(os.Args[0])

	flag.StringVar(&opts.Xymon, "x", "", "xymon server")
	flag.StringVar(&opts.Influxdb, "i", "", "influxdb server")
	flag.StringVar(&opts.Hostname, "H", "", "hostname")
	flag.StringVar(&dbs.MongoURI, "m", dbs.MongoURI, "Mongodb")
	flag.StringVar(&dbs.Database, "d", dbs.Database, "Mongodb Database")
	flag.StringVar(&dbs.RedisURI, "r", dbs.RedisURI, "Redis")
	flag.StringVar(&opts.LogFile, "l", opts.LogFile, "Logs filename")
	flag.IntVar(&opts.MaxLogins, "L", opts.MaxLogins, "Max lastlogins")
	flag.DurationVar(&opts.RedisTTL, "t", opts.RedisTTL, "Redis keys TTL")
	flag.BoolVar(&opts.Version, "v", false, "Version")
	flag.DurationVar(&opts.Timeout, "T", 0, "Running timeout")
	flag.BoolVar(&opts.Debug, "D", false, "Debug")
	flag.IntVar(&opts.Concurrent, "c", 1, "Concurrent thread")
	flag.IntVar(&opts.MaxError, "E", 100, "Max Mongodb Error")
	flag.StringVar(&opts.Pidfile, "p", opts.Pidfile, "pid file")
}