#!/usr/bin/env python3

import uuid

from flask_restful import Resource
from flask import request, current_app, abort
import musicbrainzngs

from fred import flaskred
from config import ENCODED_SECRET_KEY
from schemas import UserSchema
from aes_encrypt import EncryptedUserRedis

"""
Flask Restful endpoints
"""

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

INVALID_JSON_SCHEMA_MSG = "invalid json schema"


class LoginApi(Resource):
    userschema = UserSchema(many=False)
    encryptor = EncryptedUserRedis(ENCODED_SECRET_KEY)

    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_MSG)

        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


class MeApi(Resource):
    """
    See: https://swagger.kmlabz.com/?urls.primaryName=onSpot%20Backend#/backend/currentUser
    """

    def get(self):
        try:
            currusername = flaskred.get(request.headers.get('Authorization')).decode('UTF-8')
        except Exception as e:
            current_app.logger.warning(e)
            abort(401, "unauthorized")
        return {"name": currusername}, 200


class ListsApi(Resource):
    """
    See: https://swagger.kmlabz.com/?urls.primaryName=onSpot%20Backend#/backend/getAllLists
    """
    def get(self):
        pass


class SingleListApi(Resource):
    """
    See: https://swagger.kmlabz.com/?urls.primaryName=onSpot%20Backend#/backend/getList
    """
    def get(self, listid: str):
        pass


class TrackApi(Resource):
    """
    See: https://swagger.kmlabz.com/?urls.primaryName=onSpot%20Backend#/backend/getTrack
    """
    def get(self, listid: str, trackid: str):
        pass