import Control.Monad.Reader

import Data.List

import qualified Data.ByteString.Char8 as B

import Utils

        msg = if not $ null xs then head xs else "bye"

handleCmd ["PONG"] = do

    cl <- thisClient

    if pingsQueue cl == 0 then

        return [ProtocolError "Protocol violation"]

        else

        return [ModifyClient (\c -> c{pingsQueue = pingsQueue c - 1})]

handleCmd_loggedin ["INFO", asknick] = do

    (_, rnc) <- ask

    let allClientIDs = allClients rnc

    let maybeClientId = find (\clId -> asknick == nick (client rnc clId)) allClientIDs

    let noSuchClient = isNothing maybeClientId

    let clientId = fromJust maybeClientId

    let cl = rnc `client` fromJust maybeClientId

    let roomId = clientRoom rnc clientId

    let clRoom = room rnc roomId

    let roomMasterSign = if isMaster cl then "@" else ""

    let adminSign = if isAdministrator cl then "@" else ""

    let roomInfo = if roomId /= lobbyId then roomMasterSign `B.append` "room " `B.append` (name clRoom) else adminSign `B.append` "lobby"

    let roomStatus = if gameinprogress clRoom then

            if teamsInGame cl > 0 then "(playing)" else "(spectating)"

            else

            ""

        return []

        else

        answerClient [

            "INFO",

            nick cl,

            "[" `B.append` host cl `B.append` "]",

            protoNumber2ver $ clientProto cl,

            "[" `B.append` roomInfo `B.append` "]" `B.append` roomStatus

            ]