"""
Authentication api
"""

__author__ = '@tormakris'
__copyright__ = "Copyright 2020, onSpot Team"
__module_name__ = "loginapi"
__version__text__ = "1"

import uuid

import musicbrainzngs
from flask import request, current_app, abort

from flaskaddons.fred import flaskred
from resources.userstoreresource import UserStoreResource
from schemas.userschema import UserSchema


class LoginApi(UserStoreResource):
    userschema = UserSchema(many=False)

    def post(self):
        """
         See: https://swagger.kmlabz.com/?urls.primaryName=onSpot%20Backend#/backend/logon
        """
        body = request.get_json()

        try:
            userobj = self.userschema.load(body)
        except Exception as e:
            current_app.logger.warning(e)
            abort(417, "invalid json schema")

        try:
            musicbrainzngs.auth(userobj['name'], userobj['password'])
            musicbrainzngs.get_collections()
            musicbrainzngs.auth(None, None)
        except Exception as e:
            current_app.logger.warning(e)
            abort(401, "login denied to musicbrainz")

        self.encryptor.store(body)
        token = str(uuid.uuid4())
        flaskred.set(token, userobj['name'].encode('UTF-8'))

        return {
                   'token': token
               }, 200

    def delete(self):
        """
         See: https://swagger.kmlabz.com/?urls.primaryName=onSpot%20Backend#/backend/logoff
        """
        try:
            flaskred.delete(flaskred.get(request.headers.get('Authorization')).decode('UTF-8'))
            flaskred.delete(request.headers.get('Authorization'))
        except Exception as e:
            current_app.logger.warning(e)
            abort(401, "unauthorized")

        return "", 204