#!/usr/bin/env python
# Minify HTML and CSS, patch HTML and RSS and remove JS
# Copyright (C) 2021  Nguyễn Gia Phong
#
# This program 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.
#
# This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.

import re
from contextlib import suppress
from pathlib import Path
from shutil import rmtree

from css_html_js_minify import html_minify, process_single_css_file

FOOTNOTES_START = re.compile('(<p>)?\s*<table')
FOOTNOTES_END = re.compile('</table>\s*(</p>)?')


def fix_footnotes(html):
    """Work around https://github.com/tlienart/Franklin.jl/issues/936"""
    return FOOTNOTES_START.sub('<table', FOOTNOTES_END.sub('</table>', html))


site = Path(__file__).parent.parent / '__site'
process_single_css_file(site/'css'/'style.css', overwrite=True)
for html in site.rglob('*.html'):
    print('Minifying and fixing up', html)
    html.write_text(fix_footnotes(html_minify(html.read_text())))
for rss in site.rglob('feed.xml'):
    print('Fixing up', rss)
    rss.write_text(fix_footnotes(rss.read_text()))
with suppress(FileNotFoundError): rmtree(site/'libs')