import os
from flask import Flask, send_from_directory, jsonify, current_app
from flask_cors import CORS, cross_origin
from werkzeug.utils import secure_filename


app = Flask(__name__, static_url_path='')
app.config["SECRET_KEY"] = "f82abccd93a28b6cdda4525c9afa7a30"
app.config["CORS_HEADERS"] = "Content-Type"
app.config['UPLOAD_FOLDER'] = './articles'

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


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

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

@app.route("/" ,methods = ['POST'])
def upload_file():
    if requested.method == 'POST':
        file=request.files['file']
        if file:
            filename = secure_filename(file.filename)
            file.save(os.path.join(app.config['UPLOAD_FOLDER'],filename))
            return list_files()

if __name__ == "__main__":
    app.run()