# © 2018–2020 io mintz <io@mintz.cc>
#
# Emote Manager is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# Emote Manager is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Emote Manager. If not, see <https://www.gnu.org/licenses/>.

import re

"""
various utilities related to custom emotes
"""

"""Matches :foo: and ;foo; but not :foo;. Used for emotes in text."""
RE_EMOTE = re.compile(r'(:|;)(?P<name>\w{2,32})\1|(?P<newline>\n)', re.ASCII)

"""Matches only custom server emotes."""
RE_CUSTOM_EMOTE = re.compile(r'<(?P<animated>a?):(?P<name>\w{2,32}):(?P<id>\d{17,})>', re.ASCII)

def url(id, *, animated: bool = False):
	"""Convert an emote ID to the image URL for that emote."""
	extension = 'gif' if animated else 'png'
	return f'https://cdn.discordapp.com/emojis/{id}.{extension}?v=1'