from flask import Flask, render_template, request, abort, send_from_directory
from dotenv import load_dotenv
from markdown import markdown
from glob import glob
import json
import os

def preprocess_payload(payload):
    for column in payload.get('columns', []):
        md = column.get('markdown')
        if md:
            column['content'] = markdown(md)
        for slide in column.get('slides', []):
            md = slide.get('markdown')
            if md:
                slide['content'] = markdown(md)

load_dotenv()
payload = json.load(open("static/slides.json"))
preprocess_payload(payload)

application = Flask(__name__)

@application.get("/")
def home():
    return render_template("slides.html", **payload)

@application.get("/choices/<topic>")
def choices(topic):
    if topic in ["img", "bg"]:
        return {"type": "string", "enum": glob("static/{}/*.*".format(topic))}
    abort(404)

@application.get("/schema.json")
def schema():
    return render_template("slides.schema.json", backgrounds=choices("bg"))

def home():
    return render_template("slides.html", **payload)

@application.get("/editor")
def editor():
    return render_template("editor.html")

@application.route('/favicon.ico')
def favicon():
    return send_from_directory(os.path.join(application.root_path, 'static'),
                               'favicon.ico', mimetype='image/vnd.microsoft.icon')