import getUri from '../lib/ids';
import { appendToArray, putNewGpx } from './gpx';
import { getFamily, put } from './lib';

export const emptyTrk: Trk = {
  name: undefined,
  cmt: undefined,
  desc: undefined,
  src: undefined,
  link: undefined,
  number: 0,
  type: undefined,
  extensions: undefined,
  trkseg: undefined,
};

export const putNewTrk = async (id?: IdTrk | IdGpx) => {
  let finalId = { ...id };
  if (!('trk' in finalId)) {
    const gpxId = await putNewGpx(id);
    finalId = { ...gpxId, trk: 0 };
  }
  const uri = getUri('trk', finalId);
  await put(
    uri,
    'trk',
    (trk) => {
      return trk;
    },
    emptyTrk
  );
  return finalId as IdTrk;
};

export const getTrk = async (params: any) => {
  const { id } = params;
  const docs = await getFamily(id, { include_docs: true });
  let target: any[];
  let trk: Trk | undefined = undefined;
  docs.rows.every((row: any) => {
    // level 0
    if (row.doc.type === 'trk') {
      if (!!trk) {
        return false; // Hack to stop if getFamily fails
      }
      target = [row.doc.doc];
      trk = row.doc.doc;
    }
    //level 1
    if (row.doc.type === 'trkseg') {
      target.splice(1);
      appendToArray(target.at(-1), row.doc.type, row.doc._id);
      target.push(row.doc.doc);
    }
    return true;
  });
  return trk;
};

export const deleteTrk = async (params: any) => {
  const { id } = params;
  const docs = await getFamily(id, { include_docs: false });
  console.log({ caller: 'deleteTrk' }, id, docs);
  const deletedDocs = docs.rows.reverse().map((doc: any) => ({
    _deleted: true,
    _id: doc.id,
    _rev: doc.value.rev,
  }));
  console.log({ caller: 'deleteTrk' }, id, docs, deletedDocs);
  await db.bulkDocs(deletedDocs);
  return id;
};