from flask import request, jsonify
from flask_security import login_required
from flask_security.core import current_user
import requests

from ..entities import FillingStation
from .. import app, db


@app.route('/filling_stations/favourites/toggle/<fsid>')
def add_favourite_filling_stations(fsid):
    favourite_ids = {x.id: x for x in current_user.favourite_filling_stations}

    if fsid in favourite_ids:
        current_user.favourite_filling_stations.remove(favourite_ids[fsid])
        state = 'normal'
    else:
        fs = FillingStation.query.filter(FillingStation.id == fsid).first()
        current_user.favourite_filling_stations.append(fs)
        state = 'favourite'
    db.session.commit()
    return jsonify({'state': state})


@app.route('/filling_stations', methods=['GET'])
@login_required
def query_filling_stations():
    api_key = app.config['TANKERKOENIG_API_KEY']

    latitude = request.args.get('latitude')
    longitude = request.args.get('longitude')
    radius = request.args.get('radius', default=1.5)
    gas_type = request.args.get('type', default='all')
    sort = request.args.get('sort', default='dist')

    url = 'https://creativecommons.tankerkoenig.de/json/list.php'
    params = {
        'lat': latitude, 'lng': longitude, 'rad': radius, 'apikey': api_key, 'type': gas_type, 'sort': sort
    }
    response = requests.get(url, params=params)
    data = response.json()
    for station in data['stations']:
        fs = FillingStation.query.filter(FillingStation.id == station['id']).first()
        if not fs:
            fs = FillingStation()
            fs.id = station['id']
            fs.brand = station['brand']
            fs.lat = station['lat']
            fs.lng = station['lng']
            fs.name = station['name']
            fs.street = station['street']
            fs.place = station['place']
            fs.houseNumber = station['houseNumber']
            fs.postCode = station['postCode']
            db.session.add(fs)
        if fs in current_user.favourite_filling_stations:
            station['state'] = 'favourite'
        else:
            station['state'] = 'normal'
    db.session.commit()
    return jsonify(data)