trivia - modify special questions

[erebus.git] / modules / trivia.py

# Erebus IRC bot - Author: Erebus Team
# trivia module
# This file is released into the public domain; see http://unlicense.org/

# module info
modinfo = {
        'author': 'Erebus Team',
        'license': 'public domain',
        'compatible': [2],
        'depends': ['userinfo'],
        'softdeps': ['help'],
}

# preamble
import modlib
lib = modlib.modlib(__name__)
def modstart(parent, *args, **kwargs):
        state.gotParent(parent)
        lib.hookchan(state.db['chan'])(trivia_checkanswer) # we need parent for this. so it goes here.
        return lib.modstart(parent, *args, **kwargs)
def modstop(*args, **kwargs):
        global state
        try:
                stop()
                state.closeshop()
                del state
        except Exception: pass
        return lib.modstop(*args, **kwargs)

# module code
import json, random, threading, re, time, datetime, os

try:
        import twitter
except: pass # doesn't matter if we don't have twitter, updating the status just will fall through the try-except if so...

def findnth(haystack, needle, n): #http://stackoverflow.com/a/1884151
        parts = haystack.split(needle, n+1)
        if len(parts)<=n+1:
                return -1
        return len(haystack)-len(parts[-1])-len(needle)

def person(num, throwindexerror=False):
        try:
                return state.db['users'][state.db['ranks'][num]]['realnick']
        except IndexError:
                if throwindexerror:
                        raise
                else:
                        return ''

def pts(num):
        try:
                return str(state.db['users'][state.db['ranks'][num]]['points'])
        except IndexError:
                return 0

def country(num, default="??"):
        return lib.mod('userinfo')._get(person(num), 'country', default=default).upper()

class MyTimer(threading._Timer):
        def __init__(self, *args, **kwargs):
                threading._Timer.__init__(self, *args, **kwargs)
                self.daemon = True

class TriviaState(object):
        def __init__(self, parent=None, pointvote=False):
                if parent is not None:
                        self.gotParent(parent, pointvote)

        def gotParent(self, parent, pointvote=False):
                self.parent              = parent
                self.questionfile        = self.parent.cfg.get('trivia', 'jsonpath', default="./modules/trivia.json")
                self.db                  = json.load(open(self.questionfile, "r"))
                self.questions           = self.db['questions'][self.db['category']]
                self.chan                = self.db['chan']
                self.curq                = None
                self.nextq               = None
                self.nextquestiontimer   = None
                self.steptimer           = None
                self.hintstr             = None
                self.hintanswer          = None
                self.hintsgiven          = 0
                self.revealpossibilities = None
                self.gameover            = False
                self.missedquestions     = 0
                self.curqid              = None
                self.lastqid             = None

                if 'lastwon' not in self.db or self.db['lastwon'] is None:
                        self.db['lastwon'] = time.time()

                if pointvote:
                        self.getchan().msg("Vote for the next round target points! Options: %s. Vote using !vote <choice>" % (', '.join([str(x) for x in self.db['targetoptions']])))
                        self.getchan().msg("You have %s seconds." % (self.db['votetimer']))
                        self.voteamounts = dict([(x, 0) for x in self.db['targetoptions']]) # make a dict {pointsoptionA: 0, pointsoptionB: 0, ...}
                        self.pointvote = MyTimer(self.db['votetimer'], self.endPointVote)
                        self.pointvote.start()
                else:
                        self.pointvote = None

#       def __del__(self):
#               self.closeshop()
        def closeshop(self):
                try:
                        self.steptimer.cancel()
                        self.steptimer = None
                except: pass
                try:
                        self.nextquestiontimer.cancel()
                        self.nextquestiontimer = None
                except: pass

        def savedb(self): #returns whether or not it was able to save
                if json is not None and json.dump is not None:
#                       json.dump(self.db, open(self.questionfile, "w"))#, indent=4, separators=(',', ': '))
                        dbjson = json.dumps(self.db)
                        if len(dbjson) > 0:
                                os.rename(self.questionfile, self.questionfile+".auto.bak")
                                tmpfn = os.tempnam('.', 'trivia')
                                try:
                                        f = open(tmpfn, "w")
                                        f.write(dbjson)
                                        f.close()
                                        os.rename(tmpfn, self.questionfile)
                                        return True
                                except: #if something happens, restore the backup
                                        os.rename(self.questionfile+".auto.bak", self.questionfile)
                                        try:
                                                os.unlink(tmpfn)
                                        except OSError: # temp file is already gone
                                                pass
                                        raise # we may be better off just swallowing exceptions?
                return False

        def getchan(self):
                return self.parent.channel(self.chan)
        def getbot(self):
                return self.getchan().bot

        def nexthint(self, hintnum):
                answer = self.hintanswer

                if self.hintstr is None or self.revealpossibilities is None or self.reveal is None:
                        oldhintstr = ""
                        self.hintstr = list(re.sub(r'[a-zA-Z0-9]', '*', answer))
                        self.revealpossibilities = range(''.join(self.hintstr).count('*'))
                        self.reveal = int(round(''.join(self.hintstr).count('*') * (7/24.0)))
                else:
                        oldhintstr = ''.join(self.hintstr)

                for i in range(self.reveal):
                        revealcount = random.choice(self.revealpossibilities)
                        revealloc = findnth(''.join(self.hintstr), '*', revealcount)
                        self.revealpossibilities.remove(revealcount)
                        self.hintstr[revealloc] = answer[revealloc]
                if oldhintstr != ''.join(self.hintstr): self.getchan().fastmsg("\00304,01Here's a hint: %s" % (''.join(self.hintstr)))

                self.hintsgiven += 1

                if hintnum < self.db['hintnum']:
                        self.steptimer = MyTimer(self.db['hinttimer'], self.nexthint, args=[hintnum+1])
                        self.steptimer.start()
                else:
                        self.steptimer = MyTimer(self.db['hinttimer'], self.nextquestion, args=[True])
                        self.steptimer.start()

        def doGameOver(self):
                msg = self.getchan().msg
                winner = person(0)
                try:
                        msg("\00312THE GAME IS OVER!!!")
                        msg("THE WINNER IS: %s (%s)" % (person(0, True), pts(0)))
                        msg("2ND PLACE: %s (%s)" % (person(1, True), pts(1)))
                        msg("3RD PLACE: %s (%s)" % (person(2, True), pts(2)))
                        [msg("%dth place: %s (%s)" % (i+1, person(i, True), pts(i))) for i in range(3,10)]
                except IndexError: pass
                except Exception as e:
                        msg("DERP! %r" % (e))

                self.db['lastwinner'] = winner
                self.db['lastwon'] = time.time()

                if self.db['hofpath'] is not None and self.db['hofpath'] != '':
                        self.writeHof()

                self.db['users'] = {}
                self.db['ranks'] = []
                stop()
                self.closeshop()

                try:
                        t = twitter.Twitter(auth=twitter.OAuth(self.getbot().parent.cfg.get('trivia', 'token'),
                                self.getbot().parent.cfg.get('trivia', 'token_sec'),
                                self.getbot().parent.cfg.get('trivia', 'con'),
                                self.getbot().parent.cfg.get('trivia', 'con_sec')))
                        t.statuses.update(status="Round is over! The winner was %s" % (winner))
                except: pass #don't care if errors happen updating twitter.

                self.__init__(self.parent, True)

        def writeHof(self):
                def person(num):
                        try: return self.db['users'][self.db['ranks'][num]]['realnick']
                        except: return "none"
                def pts(num):
                        try: return str(self.db['users'][self.db['ranks'][num]]['points'])
                        except: return 0

                status = False
                try:
                        f = open(self.db['hofpath'], 'rb+')
                        for i in range(self.db['hoflines']): #skip this many lines
                                f.readline()
                        insertpos = f.tell()
                        fcontents = f.read()
                        f.seek(insertpos)
                        f.write((self.db['hofformat']+"\n") % {
                                'date': time.strftime("%F", time.gmtime()),
                                'duration': str(datetime.timedelta(seconds=time.time()-self.db['lastwon'])),
                                'targetscore': self.db['target'],
                                'firstperson': person(0),
                                'firstscore': pts(0),
                                'secondperson': person(1),
                                'secondscore': pts(1),
                                'thirdperson': person(2),
                                'thirdscore': pts(2),
                        })
                        f.write(fcontents)
                        status = True
                except Exception as e:
                        status = False
                finally:
                        f.close()
                        return status

        def endPointVote(self):
                self.getchan().msg("Voting has ended!")
                votelist = sorted(self.voteamounts.items(), key=lambda item: item[1]) #sort into list of tuples: [(option, number_of_votes), ...]
                for i in range(len(votelist)-1):
                        item = votelist[i]
                        self.getchan().msg("%s place: %s (%s votes)" % (len(votelist)-i, item[0], item[1]))
                self.getchan().msg("Aaaaand! The next round will be to \002%s\002 points! (%s votes)" % (votelist[-1][0], votelist[-1][1]))

                self.db['target'] = votelist[-1][0]
                self.pointvote = None

                self.nextquestion() #start the game!

        def nextquestion(self, qskipped=False, iteration=0, skipwait=False):
                self.lastqid = self.curqid
                self.curq = None
                self.curqid = None
                if self.gameover == True:
                        return self.doGameOver()
                if qskipped:
                        self.getchan().fastmsg("\00304Fail! The correct answer was: %s" % (self.hintanswer))
                        self.missedquestions += 1
                else:
                        self.missedquestions = 0
                        if 'topicformat' in self.db and self.db['topicformat'] is not None:
                                self.getbot().conn.send("TOPIC %s" % (self.db['chan']))

                if isinstance(self.steptimer, MyTimer):
                        self.steptimer.cancel()
                if isinstance(self.nextquestiontimer, MyTimer):
                        self.nextquestiontimer.cancel()
                        self.nextquestiontimer = None

                self.hintstr = None
                self.hintsgiven = 0
                self.revealpossibilities = None
                self.reveal = None

                self.savedb()

                if self.missedquestions > self.db['maxmissedquestions']:
                        stop()
                        self.getbot().msg(self.getchan(), "%d questions unanswered! Stopping the game." % (self.missedquestions))
                        return

                if skipwait:
                        self._nextquestion(iteration)
                else:
                        self.nextquestiontimer = MyTimer(self.db['questionpause'], self._nextquestion, args=[iteration])
                        self.nextquestiontimer.start()

        def _nextquestion(self, iteration):
                if self.nextq is not None:
                        nextqid = None
                        nextq = self.nextq
                        self.nextq = None
                else:
                        nextqid = random.randrange(0, len(self.questions))
                        nextq = self.questions[nextqid]

                if nextq[0].startswith("!"):
                        nextqid = None
                        nextq = specialQuestion(nextq)

                if len(nextq) > 2 and nextq[2] - time.time() < 7*24*60*60 and iteration < 10:
                        return self._nextquestion(iteration=iteration+1) #short-circuit to pick another question
                if len(nextq) > 2:
                        nextq[2] = time.time()
                else:
                        nextq.append(time.time())

                if isinstance(nextq[1], basestring):
                        nextq[1] = nextq[1].lower()
                else:
                        nextq[1] = [s.lower() for s in nextq[1]]

                qtext = "\00312,01Next up: "
                qtext += "(%5d)" % (random.randint(0,99999))
                qary = nextq[0].split(None)
                qtext += " "
                for qword in qary:
                        spacer = random.choice(
                                range(0x61,0x7A) + ([0x20]*4)
                        )
                        qtext += "\00304,01"+qword+"\00301,01"+chr(spacer) #a-z
                self.getbot().fastmsg(self.chan, qtext)

                self.curq = nextq
                self.curqid = nextqid

                if isinstance(self.curq[1], basestring): self.hintanswer = self.curq[1]
                else: self.hintanswer = random.choice(self.curq[1])

                self.steptimer = MyTimer(self.db['hinttimer'], self.nexthint, args=[1])
                self.steptimer.start()

        def checkanswer(self, answer):
                if self.curq is None:
                        return False
                elif isinstance(self.curq[1], basestring):
                        return answer.lower() == self.curq[1]
                else: # assume it's a list or something.
                        return answer.lower() in self.curq[1]

        def addpoint(self, user_obj, count=1):
                user_nick = str(user_obj)
                user = user_nick.lower() # save this separately as we use both
                if user in self.db['users']:
                        self.db['users'][user]['points'] += count
                else:
                        self.db['users'][user] = {'points': count, 'realnick': user_nick, 'rank': len(self.db['ranks'])}
                        self.db['ranks'].append(user)

                self.db['ranks'].sort(key=lambda nick: self.db['users'][nick]['points'], reverse=True) #re-sort ranks, rather than dealing with anything more efficient
                for i in range(0, len(self.db['ranks'])):
                        nick = self.db['ranks'][i]
                        self.db['users'][nick]['rank'] = i

                if self.db['users'][user]['points'] >= self.db['target']:
                        self.gameover = True

                return self.db['users'][user]['points']

        def points(self, user):
                user = str(user).lower()
                if user in self.db['users']:
                        return self.db['users'][user]['points']
                else:
                        return 0

        def rank(self, user):
                user = str(user).lower()
                if user in self.db['users']:
                        return self.db['users'][user]['rank']+1
                else:
                        return len(self.db['users'])+1

        def targetuser(self, user):
                if len(self.db['ranks']) == 0: return "no one is ranked!"

                user = str(user).lower()
                if user in self.db['users']:
                        rank = self.db['users'][user]['rank']
                        if rank == 0:
                                return "you're in the lead!"
                        else:
                                return self.db['ranks'][rank-1]
                else:
                        return self.db['ranks'][-1]
        def targetpoints(self, user):
                if len(self.db['ranks']) == 0: return 0

                user = str(user).lower()
                if user in self.db['users']:
                        rank = self.db['users'][user]['rank']
                        if rank == 0:
                                return ""
                        else:
                                return "("+str(self.db['users'][self.db['ranks'][rank-1]]['points'])+")"
                else:
                        return "("+str(self.db['users'][self.db['ranks'][-1]]['points'])+")"

state = TriviaState()

# we have to hook this in modstart, since we don't know the channel until then.
def trivia_checkanswer(bot, user, chan, *args):
        line = ' '.join([str(arg) for arg in args])
        if state.checkanswer(line):
                state.curq = None
                if state.hintanswer.lower() == line.lower():
                        bot.fastmsg(chan, "\00312%s\003 has it! The answer was \00312%s\003. New score: %d. Rank: %d. Target: %s %s" % (user, line, state.addpoint(user), state.rank(user), state.targetuser(user), state.targetpoints(user)))
                else:
                        bot.fastmsg(chan, "\00312%s\003 has it! The answer was \00312%s\003 (hinted answer: %s). New score: %d. Rank: %d. Target: %s%s" % (user, line, state.hintanswer, state.addpoint(user), state.rank(user), state.targetuser(user), state.targetpoints(user)))
                if state.hintsgiven == 0:
                        bot.msg(chan, "\00312%s\003 got an extra point for getting it before the hints! New score: %d." % (user, state.addpoint(user)))
                state.nextquestion()

@lib.hook(glevel=1, needchan=False, wantchan=True)
@lib.help(None, "saves the trivia database")
def save(bot, user, chan, realtarget, *args):
        if chan is not None: replyto = chan
        else: replyto = user

        if state.savedb():
                bot.msg(replyto, "Save successful.")
        else:
                bot.msg(replyto, "Save failed!")

@lib.hook(needchan=False, wantchan=True)
@lib.help("[<user>]", "shows how many points you or someone has")
def points(bot, user, chan, realtarget, *args):
        if chan is not None: eplyto = chan
        else: replyto = user

        if len(args) != 0: who = args[0]
        else: who = user

        bot.msg(replyto, "%s has %d points." % (who, state.points(who)))

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.help("<user> [<amount>]", "gives someone points", "defaults to 1 point")
@lib.argsGE(1)
def give(bot, user, chan, realtarget, *args):
        whoto = args[0]
        if len(args) > 1:
                numpoints = int(args[1])
        else:
                numpoints = 1
        balance = state.addpoint(whoto, numpoints)

        bot.msg(chan, "%s gave %s %d points. New balance: %d" % (user, whoto, numpoints, balance))

@lib.hook(glevel=1, needchan=False)
@lib.help("<qid>", "sets next question to one in the database")
@lib.argsEQ(1)
def setnextid(bot, user, chan, realtarget, *args):
        try:
                qid = int(args[0])
                state.nextq = state.questions[qid]
                if user.glevel >= lib.STAFF:
                        respstr = "Done. Next question is: %s" % (state.nextq[0])
                else:
                        respstr = "Done."
                bot.msg(user, respstr)
        except Exception as e:
                bot.msg(user, "Error: %s" % (e))

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.help("<q>*<a>", "sets next question to one not in database")
@lib.argsGE(1)
def setnext(bot, user, chan, realtarget, *args):
        line = ' '.join([str(arg) for arg in args])
        linepieces = line.split('*')
        if len(linepieces) < 2:
                bot.msg(user, "Error: need <question>*<answer>")
                return
        question = linepieces[0].strip()
        answer = linepieces[1].strip()
        state.nextq = [question, answer]
        bot.msg(user, "Done.")

@lib.hook(glevel=1, needchan=False)
@lib.help(None, "skips to next question")
def skip(bot, user, chan, realtarget, *args):
        state.nextquestion(qskipped=True, skipwait=True)

@lib.hook(needchan=False, wantchan=True)
@lib.help(None, "starts the trivia game")
def start(bot, user, chan, realtarget, *args):
        if chan is not None: replyto = chan
        else: replyto = user

        if chan is not None and chan.name != state.db['chan']:
                bot.msg(replyto, "That command isn't valid here.")
                return

        if state.curq is None and state.pointvote is None and state.nextquestiontimer is None:
                bot.msg(state.db['chan'], "%s has started the game!" % (user))
                state.nextquestion(skipwait=True)
        elif state.pointvote is not None:
                bot.msg(user, "There's a vote in progress!")
        else:
                bot.msg(user, "Game is already started!")

@lib.hook('stop', glevel=1, needchan=False)
@lib.help(None, "stops the trivia game")
def cmd_stop(bot, user, chan, realtarget, *args):
        if stop():
                bot.msg(state.chan, "Game stopped by %s" % (user))
        else:
                bot.msg(user, "Game isn't running.")

def stop():
        state.curq = None
        state.nextq = None
        try:
                state.steptimer.cancel()
        except Exception as e:
                print "!!! steptimer.cancel(): %s %r" % (e,e)
        state.steptimer = None
        try:
                state.nextquestiontimer.cancel()
        except Exception as e:
                print "!!! nextquestiontimer.cancel(): %s %r" % (e,e)
        state.nextquestiontimer = None
        return True

@lib.hook(needchan=False)
@lib.help("<reason>", "reports a bad question to the admins")
@lib.argsGE(1)
def badq(bot, user, chan, realtarget, *args):
        lastqid = state.lastqid
        curqid = state.curqid

        reason = ' '.join(args)
        state.db['badqs'].append([state.db['category'], lastqid, curqid, reason])
        bot.msg(user, "Reported bad question.")

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.help(None, "shows a list of BADQ reports")
def badqs(bot, user, chan, realtarget, *args):
        if len(state.db['badqs']) == 0:
                bot.msg(user, "No reports.")

        for i in range(len(state.db['badqs'])):
                try:
                        report = state.db['badqs'][i]
                        bot.msg(user, "Report #%d: Cat=%s LastQ=%r CurQ=%r: %s" % (i, report[0], report[1], report[2], report[3]))
                        try: lq = state.db['questions'][report[0]][int(report[1])]
                        except Exception as e: lq = (None,None)
                        try: cq = state.db['questions'][report[0]][int(report[2])]
                        except Exception as e: cq = (None, None)
                        bot.msg(user, "- Last: %s*%s" % (lq[0], lq[1]))
                        bot.msg(user, "- Curr: %s*%s" % (cq[0], cq[1]))
                except Exception as e:
                        bot.msg(user, "- Exception: %r" % (e))

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.hook(None, "clears list of BADQ reports")
def clearbadqs(bot, user, chan, realtarget, *args):
        state.db['badqs'] = []
        bot.msg(user, "Cleared reports.")

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.hook("<badqid>", "removes a BADQ report")
@lib.argsEQ(1)
def delbadq(bot, user, chan, realtarget, *args):
        try:
                qid = int(args[0])
                del state.db['badqs'][qid]
                bot.msg(user, "Removed report #%d" % (qid))
        except:
                bot.msg(user, "Failed!")

@lib.hook(needchan=False, wantchan=True)
@lib.help("[<user>]", "shows you or someone else's rank")
def rank(bot, user, chan, realtarget, *args):
        if chan is not None: replyto = chan
        else: replyto = user

        if len(args) != 0: who = args[0]
        else: who = user

        bot.msg(replyto, "%s is in %d place (%s points). Target is: %s %s" % (who, state.rank(who), state.points(who), state.targetuser(who), state.targetpoints(who)))

@lib.hook(needchan=False)
@lib.help(None, "shows top10 list")
def top10(bot, user, chan, realtarget, *args):
        if len(state.db['ranks']) == 0:
                return bot.msg(state.db['chan'], "No one is ranked!")

        max = len(state.db['ranks'])
        if max > 10:
                max = 10
        replylist = ', '.join(["%s (%s) %s" % (person(x), country(x), pts(x)) for x in range(max)])
        bot.msg(state.db['chan'], "Top 10: %s" % (replylist))

@lib.hook(glevel=lib.ADMIN, needchan=False)
@lib.help("<target score>", "changes the target score for this round")
def settarget(bot, user, chan, realtarget, *args):
        try:
                state.db['target'] = int(args[0])
                bot.msg(state.db['chan'], "Target has been changed to %s points!" % (state.db['target']))

                if state.pointvote is not None:
                        state.pointvote.cancel()
                        state.pointvote = None
                        bot.msg(state.db['chan'], "Vote has been cancelled!")
        except Exception as e:
                print e
                bot.msg(user, "Failed to set target.")

@lib.hook(needchan=False)
@lib.help("<option>", "votes for a trarget score for next round")
def vote(bot, user, chan, realtarget, *args):
        if state.pointvote is not None:
                if int(args[0]) in state.voteamounts:
                        state.voteamounts[int(args[0])] += 1
                        bot.msg(user, "Your vote has been recorded.")
                else:
                        bot.msg(user, "Sorry - that's not an option!")
        else:
                bot.msg(user, "There's no vote in progress.")

@lib.hook(glevel=lib.ADMIN, needchan=False)
@lib.help("<number>", "sets the max missed question before game stops")
def maxmissed(bot, user, chan, realtarget, *args):
        try:
                state.db['maxmissedquestions'] = int(args[0])
                bot.msg(state.db['chan'], "Max missed questions before round ends has been changed to %s." % (state.db['maxmissedquestions']))
        except:
                bot.msg(user, "Failed to set maxmissed.")

@lib.hook(glevel=lib.ADMIN, needchan=False)
@lib.help("<seconds>", "sets the time between hints")
def hinttimer(bot, user, chan, realtarget, *args):
        try:
                state.db['hinttimer'] = float(args[0])
                bot.msg(state.db['chan'], "Time between hints has been changed to %s." % (state.db['hinttimer']))
        except:
                bot.msg(user, "Failed to set hint timer.")

@lib.hook(glevel=lib.ADMIN, needchan=False)
@lib.help("<number>", "sets the number of hints given")
def hintnum(bot, user, chan, realtarget, *args):
        try:
                state.db['hintnum'] = int(args[0])
                bot.msg(state.db['chan'], "Max number of hints has been changed to %s." % (state.db['hintnum']))
        except:
                bot.msg(user, "Failed to set hintnum.")

@lib.hook(glevel=lib.ADMIN, needchan=False)
@lib.help("<seconds>", "sets the pause between questions")
def questionpause(bot, user, chan, realtarget, *args):
        try:
                state.db['questionpause'] = float(args[0])
                bot.msg(state.db['chan'], "Pause between questions has been changed to %s." % (state.db['questionpause']))
        except:
                bot.msg(user, "Failed to set questionpause.")

@lib.hook(glevel=1, needchan=False)
@lib.help("<full question>", "finds a qid given a complete question")
def findq(bot, user, chan, realtarget, *args):
        args = list(args)
        if args[0].startswith("@"):
                cat = args.pop(0)[1:].lower()
                questions = state.db['questions'][cat]
        else:
                questions = state.questions

        if len(args) == 0:
                bot.msg(user, "You need to specify the question.")
                return

        searchkey = ' '.join(args).lower()
        matches = [str(i) for i in range(len(questions)) if questions[i][0].lower() == searchkey]
        if len(matches) > 1:
                bot.msg(user, "Multiple matches: %s" % (', '.join(matches)))
        elif len(matches) == 1:
                bot.msg(user, "One match: %s" % (matches[0]))
        else:
                bot.msg(user, "No match.")

@lib.hook(glevel=1, needchan=False)
@lib.help("[@<category>] <regex>", "finds a qid given a regex or partial question")
def findqre(bot, user, chan, realtarget, *args):
        args = list(args)
        if args[0].startswith("@"):
                cat = args.pop(0)[1:].lower()
                questions = state.db['questions'][cat]
        else:
                questions = state.questions

        if len(args) == 0:
                bot.msg(user, "You need to specify a search string.")
                return

        searcher = re.compile(' '.join(args), re.IGNORECASE)
        matches = [str(i) for i in range(len(questions)) if searcher.search(questions[i][0]) is not None]
        if len(matches) > 25:
                bot.msg(user, "Too many matches! (>25)")
        elif len(matches) > 1:
                bot.msg(user, "Multiple matches: %s" % (', '.join(matches)))
        elif len(matches) == 1:
                bot.msg(user, "One match: %s" % (matches[0]))
        else:
                bot.msg(user, "No match.")

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.help("[@<category>] <qid>", "displays the q*a for a qid", "category defaults to current")
def showq(bot, user, chan, realtarget, *args):
        args = list(args)
        if args[0].startswith("@"):
                cat = args.pop(0)[1:].lower()
                questions = state.db['questions'][cat]
        else:
                questions = state.questions

        try:
                qid = int(args[0])
        except:
                bot.msg(user, "Specify a numeric question ID.")
                return
        try:
                q = questions[qid]
        except:
                bot.msg(user, "ID not valid.")
                return
        bot.msg(user, "%s: %s*%s" % (qid, q[0], q[1]))

@lib.hook(('delq', 'deleteq'), glevel=lib.STAFF, needchan=False)
@lib.help("[@<category>] <qid>", "removes a question from the database")
def delq(bot, user, chan, realtarget, *args):
        args = list(args)
        if args[0].startswith("@"):
                cat = args.pop(0)[1:].lower()
                questions = state.db['questions'][cat]
        else:
                questions = state.questions

        try:
                backup = questions[int(args[0])]
                del questions[int(args[0])]
                bot.msg(user, "Deleted %s*%s" % (backup[0], backup[1]))
        except:
                bot.msg(user, "Couldn't delete that question. %r" % (e))

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.help("[@<category>] <q>*<a>", "adds a question")
def addq(bot, user, chan, realtarget, *args):
        args = list(args)
        if args[0].startswith("@"):
                cat = args.pop(0)[1:].lower()
                questions = state.db['questions'][cat]
        else:
                questions = state.questions

        line = ' '.join([str(arg) for arg in args])
        linepieces = line.split('*')
        if len(linepieces) < 2:
                bot.msg(user, "Error: need <question>*<answer>")
                return
        question = linepieces[0].strip()
        answer = linepieces[1].strip()
        questions.append([question, answer])
        bot.msg(user, "Done. Question is #%s" % (len(questions)-1))

@lib.hook(needchan=False)
@lib.help(None, "show current category")
def showcat(bot, user, chan, realtarget, *args):
        bot.msg(user, "Current category: %s" % (state.db['category']))

@lib.hook(glevel=1, needchan=False)
@lib.help("<category>", "change category")
def setcat(bot, user, chan, realtarget, *args):
        category = args[0].lower()
        if category in state.db['questions']:
                state.db['category'] = category
                state.questions = state.db['questions'][category]
                bot.msg(user, "Changed category to %s" % (category))
        else:
                bot.msg(user, "That category doesn't exist.")

@lib.hook(needchan=False)
@lib.help(None, "list categories", "the current category will be marked with a *")
def listcats(bot, user, chan, realtarget, *args):
        cats = ["%s%s (%d)" % ("*" if c == state.db['category'] else "", c, len(state.db['questions'][c])) for c in state.db['questions'].keys()]
        bot.msg(user, "Categories: %s" % (', '.join(cats)))

@lib.hook(glevel=lib.STAFF, needchan=False)
@lib.help("<category>", "adds an empty category")
def addcat(bot, user, chan, realtarget, *args):
        category = args[0].lower()
        if category not in state.db['questions']:
                state.db['questions'][category] = []
                bot.msg(user, "Added category %s" % (category))
        else:
                bot.msg(user, "Category already exists.")

@lib.hook(glevel=lib.MANAGER, needchan=False)
@lib.help("<category>", "deletes an entire category")
def delcat(bot, user, chan, realtarget, *args):
        category = args[0].lower()
        if category == state.db['category']:
                bot.msg(user, "Category currently in use!")
        elif category in state.db['questions']:
                length = len(state.db['questions'][category])
                del state.db['questions'][category]
                bot.msg(user, "Deleted category %s (%d questions)" % (category, length))
        else:
                bot.msg(user, "Category does not exist.")

@lib.hook(needchan=False)
def triviahelp(bot, user, chan, realtarget, *args):
        bot.slowmsg(user,             "START")
        bot.slowmsg(user,             "TOP10")
        bot.slowmsg(user,             "POINTS        [<user>]")
        bot.slowmsg(user,             "RANK          [<user>]")
        bot.slowmsg(user,             "BADQ          <reason> (include info to identify question)")
        if user.glevel >= 1:
                bot.slowmsg(user,         "SKIP                            (KNOWN)")
                bot.slowmsg(user,         "STOP                            (KNOWN)")
                bot.slowmsg(user,         "FINDQ         <full question>   (KNOWN)")
                bot.slowmsg(user,         "FINDQRE       <regex>           (KNOWN)")
                bot.slowmsg(user,         "SETNEXTID     <qid>             (KNOWN)")
                if user.glevel >= lib.STAFF:
                        bot.slowmsg(user,     "GIVE          <user> [<points>] (STAFF)")
                        bot.slowmsg(user,     "SETNEXT       <q>*<a>           (STAFF)")
                        bot.slowmsg(user,     "ADDQ          <q>*<a>           (STAFF)")
                        bot.slowmsg(user,     "DELQ          <q>*<a>           (STAFF)  [aka DELETEQ]")
                        bot.slowmsg(user,     "SHOWQ         <qid>             (STAFF)")
                        bot.slowmsg(user,     "BADQS                           (STAFF)")
                        bot.slowmsg(user,     "CLEARBADQS                      (STAFF)")
                        bot.slowmsg(user,     "DELBADQ       <reportid>        (STAFF)")
                        if user.glevel >= lib.ADMIN:
                                bot.slowmsg(user, "SETTARGET     <points>          (ADMIN)")
                                bot.slowmsg(user, "MAXMISSED     <questions>       (ADMIN)")
                                bot.slowmsg(user, "HINTTIMER     <float seconds>   (ADMIN)")
                                bot.slowmsg(user, "HINTNUM       <hints>           (ADMIN)")
                                bot.slowmsg(user, "QUESTIONPAUSE <float seconds>   (ADMIN)")

@lib.hooknum(417)
def num_417(bot, textline):
#       bot.fastmsg(state.db['chan'], "Whoops, it looks like that question didn't quite go through! (E:417). Let's try another...")
        state.nextquestion(qskipped=False, skipwait=True)

@lib.hooknum(332)
def num_TOPIC(bot, textline):
        pieces = textline.split(None, 4)
        chan = pieces[3]
        if chan != state.db['chan']:
                return
        gottopic = pieces[4][1:]

        formatted = state.db['topicformat'] % {
                'chan': state.db['chan'],
                'top1': "%s (%s)" % (person(0), pts(0)),
                'top3': '/'.join([
                        "%s (%s)" % (person(x), pts(x))
                        for x in range(3) if x < len(state.db['ranks'])
                ]),
                'top3c': ', '.join([
                        "%s (%s) %s" % (person(x), country(x), pts(x))
                        for x in range(3) if x < len(state.db['ranks'])
                ]),
                'top10': ' '.join([
                        "%s (%s)" % (person(x), pts(x))
                        for x in range(10) if x < len(state.db['ranks'])
                ]),
                'top10c': ' '.join([
                        "%s (%s, %s)" % (person(x), pts(x), country(x))
                        for x in range(10) if x < len(state.db['ranks'])
                ]),
                'lastwinner': state.db['lastwinner'],
                'lastwon': time.strftime("%b %d", time.gmtime(state.db['lastwon'])),
                'target': state.db['target'],
                'category': state.db['category'],
        }
        if gottopic != formatted:
                state.getbot().conn.send("TOPIC %s :%s" % (state.db['chan'], formatted))


def specialQuestion(oldq):
        newq = [oldq[0], oldq[1]]
        qtype = oldq[0].upper()

        if qtype == "!MONTH":
                newq[0] = "What month is it currently (in UTC)?"
                newq[1] = time.strftime("%B", time.gmtime()).lower()
        elif qtype == "!MATH+":
                try:
                        maxnum = int(oldq[1])
                except ValueError:
                        maxnum = 10
                randnum1 = random.randrange(0, maxnum+1)
                randnum2 = random.randrange(0, maxnum+1)
                newq[0] = "What is %d + %d?" % (randnum1, randnum2)
                newq[1] = spellout(randnum1+randnum2)
        elif qtype == "!ALGEBRA+":
                try:
                        num1, num2 = [int(i) for i in oldq[1].split('!')]
                except ValueError:
                        num1, num2 = 10, 10
                randnum1 = random.randrange(0, num1+1)
                randnum2 = random.randrange(randnum1, num2+1)
                newq[0] = "What is x? %d = %d + x" % (randnum2, randnum1)
                newq[1] = spellout(randnum2-randnum1)
        else: pass #default to not modifying
        return newq

def spellout(num):
        ones = ['', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine']
        teens = ['ten', 'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen']
        tens = ['', '', 'twenty', 'thirty', 'fourty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety']

        if num == 0:
                return 'zero'

        ihundreds = num / 100
        itens = num % 100 / 10
        iones = num % 10
        buf = []

        if ihundreds > 0:
                buf.append("%s hundred" % (ones[ihundreds]))
        if itens > 1:
                buf.append(tens[itens])
        if itens == 1:
                buf.append(teens[iones])
        elif iones > 0:
                buf.append(ones[iones])
        return ' '.join(buf)
#       return [
#               "zero", "one", "two", "three", "four", "five", "six", "seven", "eight",
#               "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen",
#               "sixteen", "seventeen", "eighteen", "nineteen", "twenty"
#       ][num]