package main

import (
	"bufio"
	"fmt"
	"io"
	"log"
	"net"
	"strings"
)

func sendData(conn net.Conn, message string) {
	log.Print(message + "\n")
	fmt.Fprintf(conn, "%s\n", message)
}
func logon(conn net.Conn) {
	sendData(conn, "NICK pathbbot")
	sendData(conn, "User inhabitant 8 * : pathbwalker")
}

func sendPong(conn net.Conn, ping string) {
	sendData(conn, strings.Replace(ping, "PING", "PONG", 1))
}

func join(conn net.Conn) {
	sendData(conn, "JOIN #pathb")

}

func main() {
	conn, err := net.Dial("tcp", "pathb.net:6667")
	if err != nil {
		log.Print(err)
	}

	reader := bufio.NewReader(conn)
	for {
		ln, err := reader.ReadString('\n')
		ln = strings.Trim(ln, "\n")
		log.Println(ln)

		switch {
		case err == io.EOF:
			log.Println("Reached EOF - closing this connection.\n")
			return
		case err != nil:
			log.Println("error.\n")
			return
		case strings.Contains(ln, "Looking up your hostname"):
			logon(conn)
		case strings.Contains(ln, "PING"):
			sendPong(conn, ln)
		case strings.Contains(ln, "End of /MOTD command."):
			join(conn)
		}

	}
}