{-# 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

import Control.Monad.State

import Data.List

#if !defined(mingw32_HOST_OS)

import System.Posix

#endif

type SState = Handle

io = liftIO

readPacket :: StateT SState IO [String]

readPacket = do

    h <- get

    io $ hGetPacket h []

    where

    hGetPacket h buf = do

        l <- hGetLine h

        if not $ null l then hGetPacket h (buf ++ [l]) else return buf

waitPacket :: String -> StateT SState IO Bool

waitPacket s = do

    p <- readPacket

    return $ head p == s

sendPacket :: [String] -> StateT SState IO ()

sendPacket s = do

    h <- get

    io $ do

        mapM_ (hPutStrLn h) s

        hPutStrLn h ""

        hFlush h

emulateSession :: StateT SState IO ()

emulateSession = do

    n <- io $ randomRIO (100000::Int, 100100)

    waitPacket "CONNECTED"

    sendPacket ["NICK", "test" ++ show n]

    waitPacket "NICK"

    sendPacket ["PROTO", "31"]

    waitPacket "PROTO"

    b <- waitPacket "LOBBY:JOINED"

    --io $ print b

    sendPacket ["QUIT", "BYE"]

    return ()

testing = Control.OldException.handle print $ do

    putStr "+"

    sock <- connectTo "127.0.0.1" (PortNumber 46631)

    evalStateT emulateSession sock

    --hClose sock

    putStr "-"

    hFlush stdout

forks = forever $ do

    delay <- randomRIO (0::Int, 80000)

    threadDelay delay

    forkIO testing

main = withSocketsDo $ do

#if !defined(mingw32_HOST_OS)

    installHandler sigPIPE Ignore Nothing;

#endif

    forks