{-# LANGUAGE CPP #-}

module Main where

import IO
import System.IO
import Control.Concurrent
import Network
import Control.Exception
import Control.Monad
import System.Random

#if !defined(mingw32_HOST_OS)
import System.Posix
#endif

session1 nick room = ["NICK", nick, "", "PROTO", "24", "", "CHAT_STRING", "lobby 1", "", "CREATE", room, "", "CHAT_STRING", "room 1", "", "QUIT", "bye-bye", ""]
session2 nick room = ["NICK", nick, "", "PROTO", "24", "", "LIST", "", "JOIN", room, "", "CHAT_STRING", "room 2", "", "PART", "", "CHAT_STRING", "lobby after part", "", "QUIT", "bye-bye", ""]
session3 nick room = ["NICK", nick, "", "PROTO", "24", "", "LIST", "", "JOIN", room, "", "CHAT_STRING", "room 2", "", "QUIT", "bye-bye", ""]

emulateSession sock s = do
	mapM_ (\x -> hPutStrLn sock x >> hFlush sock >> randomRIO (50000::Int, 90000) >>= threadDelay) s
	hFlush sock
	threadDelay 225000

testing = Control.Exception.handle (\e -> putStrLn $ show e) $ 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 = show $ num1
	let room1 = 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 (10000::Int, 19000)
	threadDelay delay
	forkIO testing

main = withSocketsDo $ do
#if !defined(mingw32_HOST_OS)
	installHandler sigPIPE Ignore Nothing;
#endif
	forks