FalkenDev / SparkRentals-Mobile-App

import config from '../config/config.json';

import storage from './storage';

const mapModel = {

    /**

     * Get all cities from API

     * @param API_KEY 

     * @returns Promise<Object>

     */

    getCities: async function getCities(API_KEY: string): Promise<Object> {       

        const token = await storage.readToken();        

        const response = await fetch(`${config.base_url}cities?api_key=${API_KEY}`, {

            method: 'GET',

            headers: {

                'x-access-token': token['token']

            }

        });

        const result = await response.json();

        return result;

    },

    /**

     * Get closest city based on users location

     * @param API_KEY 

     * @param userData 

     * @returns Promise<object>

     */

    getClosestCity: async function getClosestCity(userData: object): Promise<Object> {

        const cities = await mapModel.getCities(API_KEY);

        // for (const city of Object.entries(cities['cities'])) {

        //     console.log(city[1]['zones'][0]);

        // };

        // const currentCity = {

        //     'name':

        // }

        return cities['cities'][1];

    },

    /**

     * Get zones for a given city

     * @param city 

     * @returns string

     */

    getZones: function getZones(city: object): string[] {

        // All zones in current city

        const zones = city['zones'];

        // Zone colors based on zoneType

        const zoneColors = {

            parkingZone: 'rgba(0, 194, 0, 0.3)',

            noParkingZone: 'rgba(255, 0, 0, 0.3)',

            bonusParkingZone: 'rgba(245, 40, 145, 0.3)',

            chargingZone: 'rgba(255, 255, 5, 0.3)'

        };

        // Array to be returned containing all zones and data

        const zoneMarkers = [];

        // Loop through all zones and append them to return object

        for (let i = 0; i < zones.length; i++) {

            const coordinates = city['zones'][i]['coordinates'];

            // console.log(city['zones'][i]['zoneType']);

            const zone = {

                _id: city['zones'][i]['_id'],

                zoneType: city['zones'][i]['zoneType'],

                zoneColor: zoneColors[city['zones'][i]['zoneType']],

                coordinates: []

            };

            for (const LatLng of coordinates) {

                zone['coordinates'].push({latitude: LatLng[1], longitude: LatLng[0]})

            };

            zoneMarkers.push(zone);

        }        

        return zoneMarkers;

    },

    calcDistance: function calcDistance(lat1, lon1, lat2, lon2) {

        var R = 6371; // Radius of the earth in km

        var dLat = deg2rad(lat2-lat1);  // deg2rad below

        var dLon = deg2rad(lon2-lon1); 

        var a = 

        Math.sin(dLat/2) * Math.sin(dLat/2) +

        Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * 

        Math.sin(dLon/2) * Math.sin(dLon/2)

        ; 

        var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a)); 

        var d = R * c; // Distance in km

        return Math.round(d);

    }

};