import random
import re
from random import choice, choices
from typing import List, Optional, Union
from .const import *
valid_username_chars = 'a-zA-Z0-9_\-'
valid_username_regex = re.compile("^[a-zA-Z0-9_\-]{3,25}$", flags=re.A)
mention_regex = re.compile('(^|\s|>)@(([a-zA-Z0-9_\-]){1,30})(?![^<]*<\/(code|pre|a)>)', flags=re.A)
valid_password_regex = re.compile("^.{8,100}$", flags=re.A)
marseyaward_body_regex = re.compile(">[^<\s+]|[^>\s+]<", flags=re.A)
marseyaward_title_regex = re.compile("( *]+>)+", flags=re.A)
marsey_regex = re.compile("marsey[a-z0-9]{1,24}", flags=re.A)
tags_regex = re.compile("[a-z0-9: ]{1,200}", flags=re.A)
hat_regex = re.compile("[a-zA-Z0-9\-() ,_]{1,50}", flags=re.A)
description_regex = re.compile("[^<>&\n\t]{1,300}", flags=re.A)
valid_sub_regex = re.compile("^[a-zA-Z0-9_\-]{3,25}$", flags=re.A)
query_regex = re.compile("(\w+):(\S+)", flags=re.A)
poll_regex = re.compile("\s*\$\$([^\$\n]+)\$\$\s*(?![^`]*`)", flags=re.A)
bet_regex = re.compile("\s*\$\$\$([^\$\n]+)\$\$\$\s*(?![^`]*`)", flags=re.A)
choice_regex = re.compile("\s*&&([^\$\n]+)&&\s*(?![^`]*`)", flags=re.A)
html_comment_regex = re.compile("", flags=re.A)
title_regex = re.compile("[^\w ]", flags=re.A)
based_regex = re.compile("based and (.{1,20}?)(-| )pilled", flags=re.I|re.A)
controversial_regex = re.compile('["> ](https:\/\/old\.reddit\.com/r/[a-zA-Z0-9_]{3,20}\/comments\/[\w\-.#&/=\?@%+]{5,250})["< ]', flags=re.A)
fishylinks_regex = re.compile("https?://\S+", flags=re.A)
spoiler_regex = re.compile('''\|\|(.+)\|\|''', flags=re.A)
reddit_regex = re.compile('(^|\s|
)\/?((r|u)\/(\w|-){3,25})(?![^<]*<\/(code|pre|a)>)', flags=re.A) sub_regex = re.compile('(^|\s|
)\/?(h\/(\w|-){3,25})(?![^<]*<\/(code|pre|a)>)', flags=re.A) strikethrough_regex = re.compile('(^|\s|>)~{1,2}([^~]+)~{1,2}', flags=re.A) mute_regex = re.compile("\/mute @([a-z0-9_\-]{3,30}) ([0-9]+)", flags=re.A|re.I) emoji_regex = re.compile(f"
\s*(:[!#@]{{0,3}}[{valid_username_chars}]+:\s*)+<\/p>", flags=re.A)
emoji_regex2 = re.compile(f'(?)', flags=re.A)
emoji_regex3 = re.compile(f'(?(.+?)<\/a>', flags=re.A)
snappy_youtube_regex = re.compile(' [^<]*)(https:\/\/([a-z0-9-]+\.)*({hosts})\/[\w:~,()\-.#&\/=?@%;+]*?\.({video_regex_extensions}))', flags=re.A)
audio_regex_extensions = '|'.join(AUDIO_FORMATS)
audio_sub_regex = re.compile(f'( [^<]*)(https:\/\/([a-z0-9-]+\.)*({hosts})\/[\w:~,()\-.#&\/=?@%;+]*?\.({audio_regex_extensions}))', flags=re.A)
image_regex_extensions = '|'.join(IMAGE_FORMATS)
image_regex = re.compile(f"(^|\s)(https:\/\/[\w\-.#&/=\?@%;+,:]{{5,250}}\.({image_regex_extensions})(\?[\w\-.#&/=\?@%;+,:]*)?)($|\s)", flags=re.I|re.A)
image_regex_extensions = image_regex_extensions.replace('|gif', '')
imgur_regex = re.compile(f'(https:\/\/i\.imgur\.com\/[a-z0-9]+)\.({image_regex_extensions})', flags=re.I|re.A)
giphy_regex = re.compile('(https:\/\/media\.giphy\.com\/media\/[a-z0-9]+\/giphy)\.gif', flags=re.I|re.A)
youtube_regex = re.compile('( [^<]*)(https:\/\/youtube\.com\/watch\?v\=([a-z0-9-_]{5,20})[\w\-.#&/=\?@%+]*)', flags=re.I|re.A)
yt_id_regex = re.compile('[a-z0-9-_]{5,20}', flags=re.I|re.A)
link_fix_regex = re.compile("(\[.*?\]\()(?!http|/)(.*?\))", flags=re.A)
css_url_regex = re.compile('url\(\s*[\'"]?(.*?)[\'"]?\s*\)', flags=re.I|re.A)
marseybux_li = (0,2500,5000,10000,25000,50000,100000,250000)
linefeeds_regex = re.compile("([^\n])\n([^\n])", flags=re.A)
greentext_regex = re.compile("(\n|^)>([^ >][^\n]*)", flags=re.A)
ascii_only_regex = re.compile("[ -~]+", flags=re.A)
reddit_to_vreddit_regex = re.compile('(^|>|")https:\/\/old.reddit.com\/(r|u)\/', flags=re.A)
reddit_domain_regex = re.compile("(^|\s|\()https?:\/\/(reddit\.com|(?:(?:[A-z]{2})(?:-[A-z]{2})" "?|beta|i|m|pay|ssl|www|new|alpha)\.reddit\.com|libredd\.it|teddit\.net)\/(r|u)\/", flags=re.A)
color_regex = re.compile("[a-f0-9]{6}", flags=re.A)
# lazy match on the {}?, only match if there is trailing stuff
# Specifically match Snappy's way of formatting, this might break some losers' comments.
showmore_regex = re.compile(r"^(.{3000,}? .*)", flags=re.A|re.DOTALL)
search_token_regex = re.compile('"([^"]*)"|(\S+)', flags=re.A)
git_regex = re.compile("ref: (refs/.+)", flags=re.A)
pronouns_regex = re.compile("([a-z]{1,5})/[a-z]{1,5}(/[a-z]{1,5})?", flags=re.A|re.I)
knowledgebase_page_regex = re.compile("[a-zA-Z0-9_\-]+", flags=re.A)
html_title_regex = re.compile("Your roll: {result}'
return match.group(1) + result