#!/usr/bin/env python3

import codecs
import os
from pathlib import Path
from time import perf_counter

import markdown
from jinja2 import Environment as Env
from jinja2 import FileSystemLoader
from minicli import cli, run, wrap

HERE = Path(".")
FAMILLE = HERE / "famille"


environment = Env(loader=FileSystemLoader(str(FAMILLE / "templates")))


def parse_markdown(file_path):
    """Extract content including footnotes from a markdown file."""
    parser = markdown.Markdown(extensions=["footnotes"])
    with codecs.open(file_path, "r") as source:
        return parser.convert(source.read())


def collection():
    """Retrieve famille's chapters from markdown files."""
    SRC_PATH = FAMILLE / "sources"
    for chapter in sorted(os.listdir(SRC_PATH)):
        if chapter.endswith(".md"):
            content = parse_markdown(SRC_PATH / chapter)
            yield (
                """<article id="{id}">
                      {content}
                    </article>""".format(
                    id=chapter[:-3], content=content.replace("'", "’")
                )
            )


@cli
def generate():
    template = environment.get_template("histoire.html")
    page = template.render(chapters=collection())
    open(FAMILLE / "histoire" / "index.html", "w").write(page)


@wrap
def perf_wrapper():
    start = perf_counter()
    yield
    elapsed = perf_counter() - start
    print(f"Done in {elapsed:.5f} seconds.")


if __name__ == "__main__":
    run()