from .get import *

from mistletoe.span_token import SpanToken
from mistletoe.html_renderer import HTMLRenderer
import re

from flask import g

#preprocess re

enter_re=re.compile("(\n\r?\w+){3,}")



# add token/rendering for @username mentions


class UserMention(SpanToken):

	pattern = re.compile("(^|\s|\n)@(\w{1,25})")
	parse_inner = False

	def __init__(self, match_obj):
		self.target = (match_obj.group(1), match_obj.group(2))
		
class SubMention(SpanToken):

	pattern = re.compile("(^|\s|\n)r/(\w{3,25})")
	parse_inner = False

	def __init__(self, match_obj):

		self.target = (match_obj.group(1), match_obj.group(2))
		
class RedditorMention(SpanToken):

	pattern = re.compile("(^|\s|\n)u/(\w{3,25})")
	parse_inner = False

	def __init__(self, match_obj):

		self.target = (match_obj.group(1), match_obj.group(2))
		
class SubMention2(SpanToken):

	pattern = re.compile("(^|\s|\n)/r/(\w{3,25})")
	parse_inner = False

	def __init__(self, match_obj):

		self.target = (match_obj.group(1), match_obj.group(2))
		
class RedditorMention2(SpanToken):

	pattern = re.compile("(^|\s|\n)/u/(\w{3,25})")
	parse_inner = False

	def __init__(self, match_obj):

		self.target = (match_obj.group(1), match_obj.group(2))

# class OpMention(SpanToken):

#	 pattern = re.compile("(^|\W|\s)@([Oo][Pp])\b")
#	 parse_inner = False

#	 def __init__(self, match_obj):
#		 self.target = (match_obj.group(1), match_obj.group(2))


class CustomRenderer(HTMLRenderer):

	def __init__(self, **kwargs):
		super().__init__(UserMention,
						 SubMention,
						 RedditorMention,
						 SubMention2,
						 RedditorMention2,
						 )

		for i in kwargs:
			self.__dict__[i] = kwargs[i]

	def render_user_mention(self, token):
		space = token.target[0]
		target = token.target[1]

		user = get_user(target, graceful=True)


		try:
			if g.v.admin_level == 0 and g.v.any_block_exists(user):
				return f"{space}@{target}"
		except BaseException:
			pass

		if not user: return f"{space}@{target}"

		return f'{space}<a href="{user.url}" class="d-inline-block mention-user" data-original-name="{user.original_username}"><img src="/uid/{user.base36id}/pic/profile" class="profile-pic-20 mr-1">@{user.username}</a>'
			
	def render_sub_mention(self, token):
		space = token.target[0]
		target = token.target[1]
		return f'{space}<a href="https://old.reddit.com/r/{target}" class="d-inline-block">r/{target}</a>'
		
	def render_redditor_mention(self, token):
		space = token.target[0]
		target = token.target[1]
		return f'{space}<a href="https://old.reddit.com/u/{target}" class="d-inline-block">u/{target}</a>'