const RARETES = [
  { code: 'Commune', label: 'Commune', frequence: 54, min: 27, max: 108 },
  { code: 'Frequente', label: 'Fréquente', frequence: 18, min: 9, max: 36 },
  { code: 'Rare', label: 'Rare', frequence: 6, min: 3, max: 12 },
  { code: 'Rarissime', label: 'Rarissime', frequence: 2, min: 1, max: 4 }]
const DEFAULT_RARETE = 1;

export class RdDRaretes {

  static getRarete(code = undefined) {
    return RARETES.find(it => it.code == code) ?? RARETES[DEFAULT_RARETE];
  }

  static getChamp(rarete, field = undefined) {
    const selected = this.getRarete(rarete);
    return field ? selected[field] : selected[frequence];
  }

  static getRareteFrequente() {
    return RARETES[DEFAULT_RARETE];
  }

  static raretes() {
    return RARETES;
  }

  static frequenceEquipement(item) {
    return RdDRaretes.rareteEquipement(item).frequence
  }

  static rareteEquipement(item) {
    const qualite = item.system.qualite ?? 0;
    if (qualite <= 0) {
      return RARETES[0]
    }
    if (qualite <= 3) {
      return RARETES[1]
    }
    if (qualite <= 6) {
      return RARETES[2]
    }
    return RARETES[3]
  }
}