# -*- coding: utf-8 -*-
import random

import irc3
import feedparser
from docopt import Dict
from irc3.plugins.command import command
from irc3.utils import IrcString

from . import Plugin
from .utils import re_generator

GNU_LINUX = """I'd Just Like To Interject For A Moment. What you're referring
 to as Linux, is in fact, GNU/Linux, or as I've recently taken to calling it,
 GNU plus Linux. Linux is not an operating system unto itself, but rather
 another free component of a fully functioning GNU system made useful by the
 GNU corelibs, shell utilities and vital system components comprising a full
 OS as defined by POSIX."""


class Linux(Plugin):
    KERNEL_FEED = 'https://www.kernel.org/feeds/kdist.xml'

    @irc3.event(r'(?i)^:\S+ PRIVMSG (?P<target>\S+) :(?:.* )?(debian|ubuntu|apt|dpkg|flash)(?: .*|$)')
    def debillian(self, target: str):
        """Annoying RE trigger for debian with variable count of E."""
        if random.randint(0, 3) is 0:
            self.bot.privmsg(target, re_generator())

    @irc3.event(r'(?i)^:\S+ PRIVMSG (?P<target>\S+) :.*(?<!gnu[/+])linux(?! kernel).*')
    def linux(self, target: str):
        """Super annoying, useless 'Stallman is mad' trigger."""
        if random.randint(0, 12) is 0:
            self.bot.privmsg(target, GNU_LINUX)

    @command
    def kernel(self, mask: IrcString, target: IrcString, args: Dict):
        """Get Linux kernel releases

        %%kernel
        """
        feed = feedparser.parse(self.KERNEL_FEED)

        # Cancel if no feed or entries
        if not feed or not feed.get('entries'):
            self.log.error('Error fetching kernel.org releases feed')
            return

        # Make list of releases
        releases = []
        for e in feed['entries']:
            version, branch = e['title'].split(': ')

            if '(EOL)' in e['description']:
                branch = '{}, \x1DEOL\x1D'.format(branch)

            releases.append('\x02{}\x02 ({})'.format(version, branch))

        return '\x02[Kernel]\x02 {}'.format(', '.join(releases))