import os
from flask import send_from_directory, jsonify, Blueprint, current_app
from flask_cors import CORS, cross_origin


articles_api_bp = Blueprint(
    "articles", __name__, template_folder="templates")

cors = CORS(articles_api_bp, resources={r"/articles": {"origins": "http://localhost:5500"}})


@articles_api_bp.route("/<path:article>")
@cross_origin(origin="localhost", headers=["Content-Type", "Authorization"])
def send_text_file(article):
    return send_from_directory(directory="articles_files", path=article)


@articles_api_bp.route('/')
@cross_origin(origin="localhost", headers=["Content-Type", "Authorization"])
def index():
    # List files in articles directory
    files = list()
    for filename in os.listdir(os.path.join(
            current_app.root_path, "articles_files")):
        path = os.path.join(os.path.join(
            current_app.root_path, "articles_files"), filename)
        if os.path.isfile(path):
            files.append(filename)
    return jsonify(files)