package main

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

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

	rw := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
	for {
		ln, err := rw.ReadString('\n')
		ln = strings.Trim(ln, "\n")
		// this switch statement handles cases where the connection is terminated
		switch {
		case err == io.EOF:
			log.Println("Reached EOF - closing this connection.\n")
			return
		case err != nil:
			log.Println("error.")
			return
		}
		log.Println(ln)

		switch {
		case strings.Contains(ln, "Looking up your hostname"):
			rw.WriteString("NICK pathbbot\r\n")
			rw.WriteString("USER  inhabitant 8 *  : pathbwalker\r\n")
		case strings.Contains(ln, "PING"):
			log.Print("sending PONG")
			rw.WriteString(strings.Replace(ln, "PING", "PONG", 1))
		case strings.Contains(ln, "End of /MOTD command."):
			log.Print("Joining #pathb")
			rw.WriteString("JOIN #pathb\n")
			rw.Flush()
		}

	}
}