"""Build the HTML version of the paper with make4ht (tex4ht) + dvisvgm.

Usage: python3 build_html.py <dir with pivotal_St.tex and diagrams.tex> <output dir>
Requires make4ht, dvisvgm and a TeX installation with TikZ.
"""
import glob, os, shutil, subprocess, sys

here = os.path.dirname(os.path.abspath(__file__))
src, out = os.path.abspath(sys.argv[1]), sys.argv[2]
os.makedirs(out, exist_ok=True)
os.chdir(out)
# tex4ht has its own diagrams.4ht, so rename our picture file
shutil.copy(os.path.join(src, "diagrams.tex"), "stdiagrams.tex")
tex = open(os.path.join(src, "pivotal_St.tex")).read()
extra = (r"\input{stdiagrams.tex}" "\n"
         r"\renewcommand{\Di}[1]{\HCode{<span class='di'>}\D{#1}\HCode{</span>}}" "\n"
         r"\renewenvironment{quote}{\par\HCode{<blockquote class='prompt'>}}{\par\HCode{</blockquote>}}")
assert tex.count(r"\input{diagrams.tex}") == 1
open("pivotal_St.tex", "w").write(tex.replace(r"\input{diagrams.tex}", extra))
with open("build.log", "w") as log:
    subprocess.run(["make4ht", "-u", "-f", "html5", "pivotal_St.tex", "svg"], stdout=log, stderr=log, check=True)
subprocess.run([sys.executable, os.path.join(here, "html_post.py"), "."], check=True)
for pat in ["*.4ct", "*.4tc", "*.aux", "*.dvi", "*.idv", "*.lg", "*.log", "*.tmp", "*.xref",
            "stdiagrams.tex", "pivotal_St.tex"]:
    for f in glob.glob(pat):
        os.remove(f)