import { DateTime } from 'luxon';
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
import xml2js from 'xml2js';

const parser = new xml2js.Parser();

function parse(data: any): any {
    return new Promise((resolve, reject) => {
        // eslint-disable-next-line promise/prefer-await-to-callbacks
        parser.parseString(data, (err: any, result: any) => {
            if (err) {
                reject(err);
            }
            resolve(result);
        });
    });
}

interface Point {
    altitude?: number;
    cadence?: number;
    distance?: number;
    hr?: number;
    latitude?: number;
    longitude?: number;
    time: DateTime;
}

// eslint-disable-next-line sonarjs/cognitive-complexity
async function tcx(data: any): Promise<Point[] | null> {
    const parsedData: any = await parse(data);
    if (!parsedData.TrainingCenterDatabase.Activities[0].Activity[0].Lap) {
        return null;
    }

    return parsedData.TrainingCenterDatabase.Activities[0].Activity[0].Lap.flatMap((lap: any, key: string) => {
        // eslint-disable-next-line complexity
        return lap.Track[0].Trackpoint.map((point: any) => {
            return {
                time: DateTime.fromISO(point.Time[0]),
                latitude: point.Position ? Number(point.Position[0].LatitudeDegrees[0]) : undefined,
                longitude: point.Position ? Number(point.Position[0].LongitudeDegrees[0]) : undefined,
                altitude: point.AltitudeMeters ? Number(point.AltitudeMeters[0]) : undefined,
                distance: point.DistanceMeters ? Number(point.DistanceMeters[0]) : undefined,
                hr: point.HeartRateBpm ? Number(point.HeartRateBpm[0].Value[0]) : undefined,
                cadence: point.Cadence ? Number(point.Cadence[0]) : undefined,
                lap: key,
            };
        });
    });
}

export default tcx;