import os
import subprocess
from flask import Flask, render_template, request, send_from_directory
from prefix import PrefixMiddleware
from dotenv import load_dotenv
from markdown import markdown
import yaml


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)