import os
import subprocess

import yaml
from dotenv import load_dotenv
from flask import Flask, render_template, request, send_from_directory
from markdown import markdown

from prefix import PrefixMiddleware

load_dotenv()

PORT = os.environ.get("PORT", 3000)
DEBUG = os.environ.get("DEBUG", True)
PREFIX = os.environ.get("PREFIX", "")
REPO = os.environ.get("REPO", "https://git.xpub.nl/kamo/thesis.git")
SERVER_NAME = os.environ.get("SERVER_NAME", "localhost:3000")


def pull():
    print("Retrieving contents")
    subprocess.call(["sh", "update.sh", REPO])


def render():
    with open("index.yaml", "r") as i:
        index = yaml.safe_load(i)

    entries = []
    for entry in index:
        with open(os.path.join("contents", entry)) as e:
            html = markdown(
                e.read(),
                extensions=[
                    "markdown.extensions.attr_list",
                    "markdown.extensions.codehilite",
                    "markdown.extensions.fenced_code",
                ],
            )
            entries.append(html)

    with open("index.html", "w") as r:
        r.write(render_template("render.html", contents=entries))

    return "rendered"


app = Flask(__name__)
app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix=PREFIX)
app.config["SERVER_NAME"] = SERVER_NAME


pull()
with app.app_context():
    render()


@app.route("/")
def home():
    return send_from_directory(app.root_path, "index.html")


@app.route("/update", methods=["GET", "POST"])
def update():
    if request.method == "POST":
        pull()
    return "GET method not supported"


app.run(port=PORT, debug=DEBUG)