from dataclasses import dataclass
from pathlib import Path
import re


@dataclass
class Article:
    path: str

    def read_contents(self) -> str:
        return Path(self.path).read_text()


articles = [
    Article(
        "./input/art-001.html",
    ),
]

# generate slugs and read articles
slugs = []
article_contents = []
for article in articles:
    contents = article.read_contents()
    id_match = re.search(r'<h2 id="(.*?)"', contents)
    title_match = re.search(r'<h2 id=".*?>(.*?)</h2>', contents)
    if id_match is None:
        print("couldn't match id")
    elif title_match is None:
        print("Couldn't match title")
    else:
        id = id_match.group(1)
        title = title_match.group(1)
        article_contents.append(contents)
        slug = f"""<p><a href="#{id}">{title}</a></p>"""
        slugs.append(slug)

# plug into template, write to index.html
template = Path("./input/template.html").read_text()
template = template.replace(
    "<div><!--- Articles ---></div>", "\n".join(article_contents)
)
template = template.replace("<div><!--- Slugs ---></div>", "\n".join(slugs))
with open("./index.html", "w", encoding="utf-8") as index_html:
    index_html.write(template)