// options
package main

import (
	"flag"
	"fmt"
	"log"
	"os"
	"path"
	"path/filepath"
	"time"
)

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

var (
	opts = Options{
		LogFile:   "log/llmongo.log",
		MaxLogins: 100,
	}
)

func usage() {
	fmt.Println("Usage: llmongo -m <mongo uri> -r <rethinkdb uri> -l <logfile> -T <running ttl> -H <hostname> -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.Hostname, "H", "", "hostname")
	flag.StringVar(&dbs.MongoURI, "m", "", "Mongodb URI")
	flag.StringVar(&dbs.MongoDB, "md", dbs.MongoDB, "Mongodb Database")
	flag.StringVar(&dbs.RethinkURI, "r", "", "RethinkDB URI")
	flag.StringVar(&dbs.RethinkDB, "rd", dbs.RethinkDB, "Rethinkdb Database")
	flag.StringVar(&opts.LogFile, "l", opts.LogFile, "Logs filename")
	flag.IntVar(&opts.MaxLogins, "L", opts.MaxLogins, "Max lastlogins")
	flag.BoolVar(&opts.Version, "v", false, "Version")
	flag.DurationVar(&opts.Timeout, "T", 0, "Running timeout")
	flag.BoolVar(&opts.Debug, "D", false, "Debug")
	flag.BoolVar(&opts.Bulk, "B", false, "Bulk")
	flag.StringVar(&opts.Pidfile, "p", opts.Pidfile, "pid file")
}