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package main

import (
	"flag"
	"log"
	"strings"

	irc "github.com/fluffle/goirc/client"
)

var (
	server = flag.String("server", "irc.freenode.org:6667", "IRC Server")
	room   = flag.String("room", "#lor", "IRC Channel")
	name   = flag.String("name", "dim13", "Bots Name")
)

const maxDiscon = 3

func main() {
	flag.Parse()

	c := irc.SimpleClient(*name)
	c.EnableStateTracking()

	discon := make(chan bool)
	c.HandleFunc(irc.DISCONNECTED, func(conn *irc.Conn, line *irc.Line) {
		discon <- true
	})

	c.HandleFunc(irc.CONNECTED, func(conn *irc.Conn, line *irc.Line) {
		conn.Join(*room)
		ShowNews(conn, *room)
	})

	c.HandleFunc(irc.KICK, func(conn *irc.Conn, line *irc.Line) {
		conn.Join(*room)
	})

	c.HandleFunc(irc.JOIN, func(conn *irc.Conn, line *irc.Line) {
		if strings.Contains(line.Ident, "goirc") &&
			line.Nick != conn.Me().Nick {
			log.Printf("kick %+v\n", line.Ident)
			conn.Kick(*room, line.Nick, "imposter")
		}
	})

	c.HandleFunc(irc.PRIVMSG, func(conn *irc.Conn, line *irc.Line) {
		defer func() {
			if r := recover(); r != nil {
				log.Println("catch panic", r)
			}
		}()
		go Dispatch(conn, line)
		go ExtractLinks(conn, line)
		go ExtractRFC(conn, line)
		if line.Public() && line.Nick != conn.Me().Nick {
			go DetectFlood(conn, line)
			Push(line)
		}
	})

	for n := 0; n < maxDiscon; n++ {
		log.Println("Connect to", *server)
		if err := c.ConnectTo(*server); err != nil {
			log.Fatal(err)
		}
		<-discon
	}
}