#!/usr/bin/python
import fileinput
import json
import time
import calendar
import re
import shutil

logfile = "/home/archangelic/irc/log"
# logfile = "/home/jumblesale/Code/irc/log"
outfile = "/home/krowbar/logs/chatcloud.json"
# outfile = "/home/krowbar/logs/chatcloud_2016_10.json"

bannedUsersFile = "/home/krowbar/Code/python/bannedUsers"
bannedWordsFile = "/home/krowbar/Code/python/bannedWords"
wordData = {}  # keyed by "word" that contains a count
# we only care about recent chats, let's say for the past sixteen hours
timeTo = calendar.timegm(time.gmtime())
# timeTo = calendar.timegm(time.strptime("1 Nov 16", "%d %b %y"))

timeCutoff = timeTo - (16 * 60 * 60)
# timeCutoff = calendar.timegm(time.strptime("1 Oct 16", "%d %b %y"))
print(
    "Generating word cloud based off words from "
    + str(timeCutoff)
    + " to "
    + str(timeTo)
)
minOccurance = 3  # we'll have to reduce the minOccurances if we reduce the timeCutoff
minLength = 3  # number of letters long
bannedWords = open(bannedWordsFile).read().splitlines()
bannedUsers = open(bannedUsersFile).read().splitlines()

with open(logfile, "r") as log:
    for line in log:
        try:
            time, user, message = line.split("\t", 3)
            time = int(time)
        except ValueError:
            continue  # There are some bad lines in the log file that we'll ignore if we can't parse
        if user in bannedUsers:
            continue  # We don't care what they say
        if time >= timeCutoff and time <= timeTo:
            # print "Processing line from " + user + " at " + str(time)
            for word in (
                re.sub("['\"\`\/\\;:,.?!*&^\-()<>\{\}|_\[\]0-9]", " ", message)
                .lower()
                .split()
            ):
                # changing symbols into spaces instead of stripping them avoids compounded words
                if len(word) < minLength or word in bannedWords:
                    # print "Rejecting " + word
                    continue
                # if the word already exists in the list
                if word in wordData:
                    wordData[word] += 1
                else:  # if they are new
                    wordData[word] = 1
                    # print "Added word: " + word
wordData = {i: wordData[i] for i in wordData if wordData[i] >= minOccurance}
if len(wordData) == 0:
    wordData = {"NOTHING": 1, "INTERESTING": 1, "TODAY": 1}
with open(outfile + ".tmp", "w") as tmpFile:
    tmpFile.write(json.dumps(wordData))
shutil.move(outfile + ".tmp", outfile)