import { PureComponent } from 'react';
import getUri, { intToGpxId } from '../lib/ids';
import { get, put, putAll } from './lib';

const emptyGpx: Gpx = {
  $: {
    version: '1.1',
    creator: 'dyomedea version 0.000002',
    xmlns: 'http://www.topografix.com/GPX/1/1',
    'xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance',
    'xsi:schemaLocation':
      'http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www8.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/WaypointExtension/v1 http://www8.garmin.com/xmlschemas/WaypointExtensionv1.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v1 http://www.garmin.com/xmlschemas/TrackPointExtensionv1.xsd',
    'xmlns:gpxx': 'http://www.garmin.com/xmlschemas/GpxExtensions/v3',
    'xmlns:wptx1': 'http://www.garmin.com/xmlschemas/WaypointExtension/v1',
    'xmlns:gpxtpx': 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1',
    'xmlns:dyo': 'http://xmlns.dyomedea.com/',
  },
  metadata: {
    name: undefined,
    desc: undefined,
    author: undefined,
    copyright: undefined,
    link: undefined,
    time: undefined,
    keywords: undefined,
    bounds: undefined,
    extensions: undefined,
  },
  wpt: undefined,
  rte: undefined,
  trk: undefined,
  extensions: undefined,
};

export const putNewGpx = async (
  id: IdGpx = { gpx: intToGpxId(Date.now()) }
) => {
  const uri = getUri('gpx', id);
  await put(
    uri,
    'gpx',
    (gpx) => {
      (gpx.metadata ??= {}).time = new Date(Date.now()).toISOString();
      return gpx;
    },
    emptyGpx
  );
  return id;
};

export const existsGpx = async (id: IdGpx) => {
  const uri = getUri('gpx', id);
  try {
    await get(uri);
    return true;
  } catch {
    return false;
  }
};

const prune = (id: any, object: any, docs: any[]) => {
  if (typeof object === 'object') {
    for (const key in object) {
      if (
        key === 'wpt' ||
        key === 'rte' ||
        key === 'rtept' ||
        key === 'trk' ||
        key === 'trkseg' ||
        key === 'trkpt'
      ) {
        const subObjects = object[key];
        for (const index in subObjects) {
          const subId = { ...id };
          subId[key] = index;
          docs.push({
            _id: getUri(key, subId),
            type: key,
            doc: subObjects[index],
          });
          prune(subId, subObjects[index], docs);
        }
        object[key] = undefined;
      } else prune(id, object[key], docs);
    }
  }
};

export const pruneAndSaveImportedGpx = async (params: any) => {
  const { id, gpx } = params;
  let docs: any[] = [{ _id: getUri('gpx', id), type: 'gpx', doc: gpx }];
  prune(id, gpx, docs);
  console.log(JSON.stringify(docs));
  try {
    const result = await putAll(docs);
    console.log(JSON.stringify(result));
  } catch (err) {
    console.error(`error: ${err}`);
  }
};