import os

import flask
from flask import render_template, send_from_directory, redirect
from flask import request
from flask import url_for
from flask_cors import CORS
from flask_httpauth import HTTPBasicAuth
from werkzeug.security import check_password_hash
# import main
# from werkzeug.utils import redirect

import config_parser
# from yt2podcast.ytdownloader import call_youtubedl
from yt2podcast.ytdl_handler import call_youtubedl
from yt2podcast.feed_generator import generate_feed_for_yt_file

app = flask.Flask(__name__)
auth = HTTPBasicAuth()
app.config["DEBUG"] = True
CORS(app)

URL_BASE_PATH = "/"
# URL_BASE_PATH = "/tagebuch"


@auth.verify_password
def verify_password(username, password):
    if username == config_parser.credentials['username'] and \
            check_password_hash(config_parser.credentials['hashedPassword'], password):
        return username


@app.route(URL_BASE_PATH, methods=['POST', 'GET'])
@auth.login_required
def handle_yt_url():
    if request.method == "POST":
        if request.form.get('generate-feed') == 'generate-feed':
            generate_feed_for_yt_file()
            return render_template("yt.html", isValidUrl=True)

        # if request.form.get('open-podcast') == 'open-podcast':
        #     return redirect(url_for('serve_static'), path='podcast.xml')
            # return url_for('static', filename='podcast.xml')
            # from flask import Response
            # xml = 'foo'
            # resp = app.make_response(xml)
            # resp.mimetype = "text/xml"
            # return resp
            # r = Response(response='./feed/podcast.xml', status=200, mimetype="application/xml")
            # r.headers["Content-Type"] = "text/xml; charset=utf-8"
            # return r
            # return app.send_static_file('./feed/podcast.xml')

        user_input = request.form['ytlink']
        # return redirect(url_for("return_result", ytlink=user_input))
        print(user_input)
        # TODO verify its a url
        import validators

        is_valid_url=validators.url(user_input)
        if is_valid_url:
            call_youtubedl(user_input)


        return render_template("yt.html", isValidUrl=is_valid_url)
    else:
        return render_template("yt.html", isValidUrl=True)


# @app.route(URL_BASE_PATH + 'podcast', methods=['GET'])
# def serve_podcast_xml():
#     return app.send_static_file('podcast.xml')

@app.route('/static/<path:path>')
def serve_static(path):
    return send_from_directory('static', path)


if __name__ == '__main__':
    flask_options = dict(
        host='0.0.0.0',
        debug=True,
        port=4001,
        threaded=True,
    )
    app.run(**flask_options)