{-# LANGUAGE CPP #-}

module Main where

import System.IO

import System.IO.Error

import Control.Concurrent

import Network

import Control.OldException

import Control.Monad

import System.Random

#if !defined(mingw32_HOST_OS)

import System.Posix

#endif

session1 nick room = ["NICK", nick, "", "PROTO", "32", "", "PING", "", "CHAT", "lobby 1", "", "CREATE_ROOM", room, "", "CHAT", "room 1", "", "QUIT", "creator", ""]

session2 nick room = ["NICK", nick, "", "PROTO", "32", "", "LIST", "", "JOIN_ROOM", room, "", "CHAT", "room 2", "", "PART", "", "CHAT", "lobby after part", "", "QUIT", "part-quit", ""]

session3 nick room = ["NICK", nick, "", "PROTO", "32", "", "LIST", "", "JOIN_ROON", room, "", "CHAT", "room 2", "", "QUIT", "quit", ""]

emulateSession sock s = do

    mapM_ (\x -> hPutStrLn sock x >> hFlush sock >> randomRIO (1000000::Int, 3000000) >>= threadDelay) s

    hFlush sock

    threadDelay 225000

testing = Control.OldException.handle print $ do

    putStrLn "Start"

    sock <- connectTo "127.0.0.1" (PortNumber 46631)

    num1 <- randomRIO (70000::Int, 70100)

    num2 <- randomRIO (0::Int, 2)

    num3 <- randomRIO (0::Int, 5)

    let nick1 = 'n' : show num1

    let room1 = 'r' : show num2

    case num2 of 

        0 -> emulateSession sock $ session1 nick1 room1

        1 -> emulateSession sock $ session2 nick1 room1

        2 -> emulateSession sock $ session3 nick1 room1

    hClose sock

    putStrLn "Finish"

forks = forever $ do

    delay <- randomRIO (30000::Int, 69000)

    threadDelay delay

    forkIO testing

main = withSocketsDo $ do

#if !defined(mingw32_HOST_OS)

    installHandler sigPIPE Ignore Nothing;

#endif

    forks