results.js

import { info } from "./logging.js";
export { clearTable, getFilteredResults, addResultRow, populateInputs };

const FILES = [
  "KBU Forløb - Sommeren 2022 - Runde 29.json",
  "KBU Forløb - Vinter 2022_2023 - Runde 30.json",
  "KBU Forløb - Sommeren 2023 - Runde 31.json",
  "KBU Forløb - Vinter 2023_2024 - Runde 32.json",
  "KBU Forløb - Sommeren 2024 - Runde 33.json",
  "KBU Forløb - Vinter 2024_2025 - Runde 34.json",
];

const results = fetchResults();
const evaluations = await fetchEvaluations();

async function getFilteredResults(yearIndices, nummer, specialer, enheder) {
  let filteredResults = [];

  for (let i = 0; i < yearIndices.length; i++) {
    const element = yearIndices[i];
    filteredResults = filteredResults.concat((await results)[element.value]);
  }

  return filteredResults.filter(
    (r) =>
      r.nummer >= nummer &&
      specialer.includes(r.speciale) &&
      enheder.includes(r.enhed)
  );
}

async function populateInputs() {
  info("Populating inputs");
  let resultsCombined = (await results).flat();
  info("Get results");
  var specialer = new Set();
  var enheder = new Set();
  for (let i = 0; i < resultsCombined.length; i++) {
    const r = resultsCombined[i];
    specialer.add(r.speciale);
    enheder.add(r.enhed);
  }

  const specialeSelect = document.getElementById("input-speciale");
  [...specialer].sort().forEach((s) => addOption(specialeSelect, s));

  const enhedSelect = document.getElementById("input-enhed");
  [...enheder].sort().forEach((e) => addOption(enhedSelect, e));
  info("Added options");
}

async function fetchResults() {
  info("Fetching results");
  let fetches = FILES.map((f) => fetch(f).then((r) => r.json()));
  let results = await Promise.all(fetches);
  info("Fetched results");
  return results;
}

async function fetchEvaluations() {
  return await fetch("evalueringer.json").then((r) => r.json());
}

function addResultRow(r) {
  const results = document.getElementById("results");
  const tr = document.createElement("tr");
  tr.appendChild(createTd(r.nummer));
  tr.appendChild(createTd(r.speciale));
  tr.appendChild(createTd(r.enhed));
  tr.appendChild(createTd(r.afdeling));
  let evaluation = evaluations.find(
    (e) => e.enhed === r.enhed && e.afdeling === r.afdeling
  );
  if (evaluation !== undefined && evaluation.evaluering) {
    // console.log(evaluation);
    tr.appendChild(
      createTd(avg(evaluation.evaluering.singleAverageScore) + " / 6")
    );
  } else {
    tr.appendChild(createTd("?"));
  }
  results.appendChild(tr);
}

function avg(array) {
  let sum = 0;
  for (let i = 0; i < array.length; i++) {
    sum += array[i];
  }
  return (sum / array.length).toFixed(2);
}

function createTd(text) {
  var span = document.createElement("td");
  span.innerText = text;
  return span;
}

function clearTable() {
  var toBeRemoved = document.getElementById("results").querySelectorAll("tr");
  toBeRemoved.forEach((tbr) => tbr.remove());
}

function addOption(select, option) {
  var child = document.createElement("option");
  child.innerText = option;
  select.appendChild(child);
}