"""
reddit-info.py - Willie Reddit module
Author: Edward Powell, embolalia.net
About: http://willie.dftba.net

This module provides special tools for reddit, namely showing detailed info about reddit posts
"""

from willie.module import commands, rule, example, NOLIMIT
from willie import tools
import praw
import re
domain = r'https?://(?:www\.|np\.)?reddit\.com'
post_url = '(%s/r/.*?/comments/[\w-]+)' % domain
user_url = '%s/u(ser)?/([\w-]+)' % domain


def setup(bot):
    post_regex = re.compile(post_url)
    user_regex = re.compile(user_url)
    if not bot.memory.contains('url_callbacks'):
        bot.memory['url_callbacks'] = tools.WillieMemory()
    bot.memory['url_callbacks'][post_regex] = rpost_info
    bot.memory['url_callbacks'][user_regex] = redditor_info


@rule('.*%s.*' % post_url)
def rpost_info(bot, trigger, match=None):
    r = praw.Reddit(user_agent='phenny / willie IRC bot - see dft.ba/-williesource for more')
    match = match or trigger
    s = r.get_submission(url=match.group(1))

    message = '[REDDIT] ' + s.title
    if s.is_self:
        message = message + ' (self.' + s.subreddit.display_name + ')'
    else:
        message = message + ' (' + s.url + ')' + ' to r/' + s.subreddit.display_name
    if s.over_18:
        message = message + ' 05[NSFW]'
        #TODO implement per-channel settings db, and make this able to kick
    if s.author:
        author = s.author.name
    else:
        author = '[deleted]'
    message = (message + ' | ' + str(s.ups - s.downs) + ' points (03'
               + str(s.ups) + '|05' + str(s.downs) + ') | ' +
               str(s.num_comments) + ' comments | Posted by ' + author)
    #TODO add creation time with s.created
    bot.say(message)


#If you change this, you'll have to change some other things...
@commands('redditor')
def redditor_info(bot, trigger, match=None):
    """Show information about the given Redditor"""
    commanded = re.match(bot.config.prefix + 'redditor', trigger)
    r = praw.Reddit(user_agent='phenny / willie IRC bot - see dft.ba/-williesource for more')
    match = match or trigger
    try:
        u = r.get_redditor(match.group(2))
    except:
        if commanded:
            bot.say('No such Redditor.')
            return NOLIMIT
        else:
            return
        #Fail silently if it wasn't an explicit command.

    message = '[REDDITOR] ' + u.name
    if commanded:
        message = message + ' | http://reddit.com/u/' + u.name
    if u.is_gold:
        message = message + ' | 08Gold'
    if u.is_mod:
        message = message + ' | 05Mod'
    message = message + ' | Link: ' + str(u.link_karma) + ' | Comment: ' + str(u.comment_karma)

    #TODO detect cake day with u.created
    bot.say(message)


#If you change the groups here, you'll have to change some things above.
@rule('.*%s.*' % user_url)
def auto_redditor_info(bot, trigger):
    redditor_info(bot, trigger)