#!/usr/bin/python
import irc.bot
import feedparser
import _thread
import math
from time import sleep

class RssBot(irc.bot.SingleServerIRCBot):
    def __init__(self, rss, name, server='ire', port=6667, chan='#news', timeout=60):
        irc.bot.SingleServerIRCBot.__init__(self, [(server, port)], name, name)
        self.url = rss
        self.feed = feedparser.parse(self.url)
        self.name = name
        self.server = server
        self.port = port
        self.chan = chan
        self.to = timeout
        self.oldnews = []
        self.sendqueue = []
        self.loop = True
        for entry in self.feed.entries:
            try:
                self.sendqueue.append(entry.title + " " + entry.link + " com: " + entry.comments)
            except AttributeError:
                self.sendqueue.append(entry.title + " " + entry.link)

            self.oldnews.append(entry.link)

    def start(self):
        self.upd_thread = _thread.start_new_thread(self.updateloop, ())
        self.bot = _thread.start_new_thread(irc.bot.SingleServerIRCBot.start, (self,))


    def stop(self):
        self.loop = False
        self.disconnect()

    def updateloop(self):
        while self.loop:
            sleep(self.to)
            self.feed = feedparser.parse(self.url)
            for entry in self.feed.entries:
                if not entry.link in self.oldnews:
                    try:
                        self.send(entry.title + " " + entry.link + " com: " + entry.comments)
                    except AttributeError:
                        self.send(entry.title + " " + entry.link)
                    self.oldnews.append(entry.link)

    def sendall(self):
        while len(self.sendqueue) > 0:
            sleep(1)
            self.send(self.sendqueue.pop())

    def send(self, string):
        if self.connection.connected:
            if len(string) < 450:
                self.connection.privmsg(self.chan, string)
            else:
                space = 0
                for x in range(math.ceil(len(string)/400)):
                    oldspace = space
                    space = string.find(" ", (x+1)*400, (x+1)*400+50)
                    self.connection.privmsg(self.chan, string[oldspace:space])
                    sleep(1)
        else:
            self.connection.reconnect()
            self.send(string)

    def on_welcome(self, connection, event):
        connection.join(self.chan)