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export class Manager {
  constructor(description, listData) {
    this.description = description;
    this.listData = listData;
    this.count = listData.length;
  }
  store() {
    let stringData = JSON.stringify(this.listData);
    localStorage.setItem(this.description, stringData);
  }
  render() {
    let renderedHTML = this.listData
      .map((i) => {
        return i.render();
      })
      .join("");
    let elementId = this.description + "_list";
    document.getElementById(elementId).innerHTML = renderedHTML;
  }
  addToggleBehaviour() {
    for (let idx = 0; idx < this.listData.length; ++idx) {
      const elementId = this.description + "_" + this.listData[idx].id;
      const p = document.getElementById(elementId);
      p.addEventListener("click", () => {
        this.listData[idx].toggle();
        this.store();
        p.classList.toggle("is-success");
        p.classList.toggle("is-danger");
      });
    }
  }
}

export function getMatchCount(regulars, courts) {
  const activeCourts = courts.filter(function (c) {
    return c.status;
  });
  console.log(
    "There are a total of " + activeCourts.length + " courts available."
  );
  console.log(regulars);
  const activePlayers = regulars.filter(function (p) {
    return p.status;
  });
  console.log(
    "There are a total of " + activePlayers.length + " players available."
  );
  var possibleMatches = Math.floor(activePlayers.length / 4);
  possibleMatches =
    possibleMatches > activeCourts.length
      ? activeCourts.length
      : possibleMatches;
  return possibleMatches;
}

export function shuffle(array) {
  for (let i = array.length - 1; i > 0; i--) {
    const j = Math.floor(Math.random() * (i + 1));
    [array[i], array[j]] = [array[j], array[i]];
  }
  return array;
}